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/******/
/******/ 		// Return the exports of the module
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/******/ 	}
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/************************************************************************/
/******/ ({

/***/ "./node_modules/axios/index.js":
/*!*************************************!*\
  !*** ./node_modules/axios/index.js ***!
  \*************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(/*! ./lib/axios */ "./node_modules/axios/lib/axios.js");

/***/ }),

/***/ "./node_modules/axios/lib/adapters/xhr.js":
/*!************************************************!*\
  !*** ./node_modules/axios/lib/adapters/xhr.js ***!
  \************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ./../utils */ "./node_modules/axios/lib/utils.js");
var settle = __webpack_require__(/*! ./../core/settle */ "./node_modules/axios/lib/core/settle.js");
var cookies = __webpack_require__(/*! ./../helpers/cookies */ "./node_modules/axios/lib/helpers/cookies.js");
var buildURL = __webpack_require__(/*! ./../helpers/buildURL */ "./node_modules/axios/lib/helpers/buildURL.js");
var buildFullPath = __webpack_require__(/*! ../core/buildFullPath */ "./node_modules/axios/lib/core/buildFullPath.js");
var parseHeaders = __webpack_require__(/*! ./../helpers/parseHeaders */ "./node_modules/axios/lib/helpers/parseHeaders.js");
var isURLSameOrigin = __webpack_require__(/*! ./../helpers/isURLSameOrigin */ "./node_modules/axios/lib/helpers/isURLSameOrigin.js");
var createError = __webpack_require__(/*! ../core/createError */ "./node_modules/axios/lib/core/createError.js");

module.exports = function xhrAdapter(config) {
  return new Promise(function dispatchXhrRequest(resolve, reject) {
    var requestData = config.data;
    var requestHeaders = config.headers;

    if (utils.isFormData(requestData)) {
      delete requestHeaders['Content-Type']; // Let the browser set it
    }

    var request = new XMLHttpRequest();

    // HTTP basic authentication
    if (config.auth) {
      var username = config.auth.username || '';
      var password = config.auth.password ? unescape(encodeURIComponent(config.auth.password)) : '';
      requestHeaders.Authorization = 'Basic ' + btoa(username + ':' + password);
    }

    var fullPath = buildFullPath(config.baseURL, config.url);
    request.open(config.method.toUpperCase(), buildURL(fullPath, config.params, config.paramsSerializer), true);

    // Set the request timeout in MS
    request.timeout = config.timeout;

    // Listen for ready state
    request.onreadystatechange = function handleLoad() {
      if (!request || request.readyState !== 4) {
        return;
      }

      // The request errored out and we didn't get a response, this will be
      // handled by onerror instead
      // With one exception: request that using file: protocol, most browsers
      // will return status as 0 even though it's a successful request
      if (request.status === 0 && !(request.responseURL && request.responseURL.indexOf('file:') === 0)) {
        return;
      }

      // Prepare the response
      var responseHeaders = 'getAllResponseHeaders' in request ? parseHeaders(request.getAllResponseHeaders()) : null;
      var responseData = !config.responseType || config.responseType === 'text' ? request.responseText : request.response;
      var response = {
        data: responseData,
        status: request.status,
        statusText: request.statusText,
        headers: responseHeaders,
        config: config,
        request: request
      };

      settle(resolve, reject, response);

      // Clean up request
      request = null;
    };

    // Handle browser request cancellation (as opposed to a manual cancellation)
    request.onabort = function handleAbort() {
      if (!request) {
        return;
      }

      reject(createError('Request aborted', config, 'ECONNABORTED', request));

      // Clean up request
      request = null;
    };

    // Handle low level network errors
    request.onerror = function handleError() {
      // Real errors are hidden from us by the browser
      // onerror should only fire if it's a network error
      reject(createError('Network Error', config, null, request));

      // Clean up request
      request = null;
    };

    // Handle timeout
    request.ontimeout = function handleTimeout() {
      var timeoutErrorMessage = 'timeout of ' + config.timeout + 'ms exceeded';
      if (config.timeoutErrorMessage) {
        timeoutErrorMessage = config.timeoutErrorMessage;
      }
      reject(createError(timeoutErrorMessage, config, 'ECONNABORTED',
        request));

      // Clean up request
      request = null;
    };

    // Add xsrf header
    // This is only done if running in a standard browser environment.
    // Specifically not if we're in a web worker, or react-native.
    if (utils.isStandardBrowserEnv()) {
      // Add xsrf header
      var xsrfValue = (config.withCredentials || isURLSameOrigin(fullPath)) && config.xsrfCookieName ?
        cookies.read(config.xsrfCookieName) :
        undefined;

      if (xsrfValue) {
        requestHeaders[config.xsrfHeaderName] = xsrfValue;
      }
    }

    // Add headers to the request
    if ('setRequestHeader' in request) {
      utils.forEach(requestHeaders, function setRequestHeader(val, key) {
        if (typeof requestData === 'undefined' && key.toLowerCase() === 'content-type') {
          // Remove Content-Type if data is undefined
          delete requestHeaders[key];
        } else {
          // Otherwise add header to the request
          request.setRequestHeader(key, val);
        }
      });
    }

    // Add withCredentials to request if needed
    if (!utils.isUndefined(config.withCredentials)) {
      request.withCredentials = !!config.withCredentials;
    }

    // Add responseType to request if needed
    if (config.responseType) {
      try {
        request.responseType = config.responseType;
      } catch (e) {
        // Expected DOMException thrown by browsers not compatible XMLHttpRequest Level 2.
        // But, this can be suppressed for 'json' type as it can be parsed by default 'transformResponse' function.
        if (config.responseType !== 'json') {
          throw e;
        }
      }
    }

    // Handle progress if needed
    if (typeof config.onDownloadProgress === 'function') {
      request.addEventListener('progress', config.onDownloadProgress);
    }

    // Not all browsers support upload events
    if (typeof config.onUploadProgress === 'function' && request.upload) {
      request.upload.addEventListener('progress', config.onUploadProgress);
    }

    if (config.cancelToken) {
      // Handle cancellation
      config.cancelToken.promise.then(function onCanceled(cancel) {
        if (!request) {
          return;
        }

        request.abort();
        reject(cancel);
        // Clean up request
        request = null;
      });
    }

    if (!requestData) {
      requestData = null;
    }

    // Send the request
    request.send(requestData);
  });
};


/***/ }),

/***/ "./node_modules/axios/lib/axios.js":
/*!*****************************************!*\
  !*** ./node_modules/axios/lib/axios.js ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ./utils */ "./node_modules/axios/lib/utils.js");
var bind = __webpack_require__(/*! ./helpers/bind */ "./node_modules/axios/lib/helpers/bind.js");
var Axios = __webpack_require__(/*! ./core/Axios */ "./node_modules/axios/lib/core/Axios.js");
var mergeConfig = __webpack_require__(/*! ./core/mergeConfig */ "./node_modules/axios/lib/core/mergeConfig.js");
var defaults = __webpack_require__(/*! ./defaults */ "./node_modules/axios/lib/defaults.js");

/**
 * Create an instance of Axios
 *
 * @param {Object} defaultConfig The default config for the instance
 * @return {Axios} A new instance of Axios
 */
function createInstance(defaultConfig) {
  var context = new Axios(defaultConfig);
  var instance = bind(Axios.prototype.request, context);

  // Copy axios.prototype to instance
  utils.extend(instance, Axios.prototype, context);

  // Copy context to instance
  utils.extend(instance, context);

  return instance;
}

// Create the default instance to be exported
var axios = createInstance(defaults);

// Expose Axios class to allow class inheritance
axios.Axios = Axios;

// Factory for creating new instances
axios.create = function create(instanceConfig) {
  return createInstance(mergeConfig(axios.defaults, instanceConfig));
};

// Expose Cancel & CancelToken
axios.Cancel = __webpack_require__(/*! ./cancel/Cancel */ "./node_modules/axios/lib/cancel/Cancel.js");
axios.CancelToken = __webpack_require__(/*! ./cancel/CancelToken */ "./node_modules/axios/lib/cancel/CancelToken.js");
axios.isCancel = __webpack_require__(/*! ./cancel/isCancel */ "./node_modules/axios/lib/cancel/isCancel.js");

// Expose all/spread
axios.all = function all(promises) {
  return Promise.all(promises);
};
axios.spread = __webpack_require__(/*! ./helpers/spread */ "./node_modules/axios/lib/helpers/spread.js");

// Expose isAxiosError
axios.isAxiosError = __webpack_require__(/*! ./helpers/isAxiosError */ "./node_modules/axios/lib/helpers/isAxiosError.js");

module.exports = axios;

// Allow use of default import syntax in TypeScript
module.exports.default = axios;


/***/ }),

/***/ "./node_modules/axios/lib/cancel/Cancel.js":
/*!*************************************************!*\
  !*** ./node_modules/axios/lib/cancel/Cancel.js ***!
  \*************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


/**
 * A `Cancel` is an object that is thrown when an operation is canceled.
 *
 * @class
 * @param {string=} message The message.
 */
function Cancel(message) {
  this.message = message;
}

Cancel.prototype.toString = function toString() {
  return 'Cancel' + (this.message ? ': ' + this.message : '');
};

Cancel.prototype.__CANCEL__ = true;

module.exports = Cancel;


/***/ }),

/***/ "./node_modules/axios/lib/cancel/CancelToken.js":
/*!******************************************************!*\
  !*** ./node_modules/axios/lib/cancel/CancelToken.js ***!
  \******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var Cancel = __webpack_require__(/*! ./Cancel */ "./node_modules/axios/lib/cancel/Cancel.js");

/**
 * A `CancelToken` is an object that can be used to request cancellation of an operation.
 *
 * @class
 * @param {Function} executor The executor function.
 */
function CancelToken(executor) {
  if (typeof executor !== 'function') {
    throw new TypeError('executor must be a function.');
  }

  var resolvePromise;
  this.promise = new Promise(function promiseExecutor(resolve) {
    resolvePromise = resolve;
  });

  var token = this;
  executor(function cancel(message) {
    if (token.reason) {
      // Cancellation has already been requested
      return;
    }

    token.reason = new Cancel(message);
    resolvePromise(token.reason);
  });
}

/**
 * Throws a `Cancel` if cancellation has been requested.
 */
CancelToken.prototype.throwIfRequested = function throwIfRequested() {
  if (this.reason) {
    throw this.reason;
  }
};

/**
 * Returns an object that contains a new `CancelToken` and a function that, when called,
 * cancels the `CancelToken`.
 */
CancelToken.source = function source() {
  var cancel;
  var token = new CancelToken(function executor(c) {
    cancel = c;
  });
  return {
    token: token,
    cancel: cancel
  };
};

module.exports = CancelToken;


/***/ }),

/***/ "./node_modules/axios/lib/cancel/isCancel.js":
/*!***************************************************!*\
  !*** ./node_modules/axios/lib/cancel/isCancel.js ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


module.exports = function isCancel(value) {
  return !!(value && value.__CANCEL__);
};


/***/ }),

/***/ "./node_modules/axios/lib/core/Axios.js":
/*!**********************************************!*\
  !*** ./node_modules/axios/lib/core/Axios.js ***!
  \**********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ./../utils */ "./node_modules/axios/lib/utils.js");
var buildURL = __webpack_require__(/*! ../helpers/buildURL */ "./node_modules/axios/lib/helpers/buildURL.js");
var InterceptorManager = __webpack_require__(/*! ./InterceptorManager */ "./node_modules/axios/lib/core/InterceptorManager.js");
var dispatchRequest = __webpack_require__(/*! ./dispatchRequest */ "./node_modules/axios/lib/core/dispatchRequest.js");
var mergeConfig = __webpack_require__(/*! ./mergeConfig */ "./node_modules/axios/lib/core/mergeConfig.js");

/**
 * Create a new instance of Axios
 *
 * @param {Object} instanceConfig The default config for the instance
 */
function Axios(instanceConfig) {
  this.defaults = instanceConfig;
  this.interceptors = {
    request: new InterceptorManager(),
    response: new InterceptorManager()
  };
}

/**
 * Dispatch a request
 *
 * @param {Object} config The config specific for this request (merged with this.defaults)
 */
Axios.prototype.request = function request(config) {
  /*eslint no-param-reassign:0*/
  // Allow for axios('example/url'[, config]) a la fetch API
  if (typeof config === 'string') {
    config = arguments[1] || {};
    config.url = arguments[0];
  } else {
    config = config || {};
  }

  config = mergeConfig(this.defaults, config);

  // Set config.method
  if (config.method) {
    config.method = config.method.toLowerCase();
  } else if (this.defaults.method) {
    config.method = this.defaults.method.toLowerCase();
  } else {
    config.method = 'get';
  }

  // Hook up interceptors middleware
  var chain = [dispatchRequest, undefined];
  var promise = Promise.resolve(config);

  this.interceptors.request.forEach(function unshiftRequestInterceptors(interceptor) {
    chain.unshift(interceptor.fulfilled, interceptor.rejected);
  });

  this.interceptors.response.forEach(function pushResponseInterceptors(interceptor) {
    chain.push(interceptor.fulfilled, interceptor.rejected);
  });

  while (chain.length) {
    promise = promise.then(chain.shift(), chain.shift());
  }

  return promise;
};

Axios.prototype.getUri = function getUri(config) {
  config = mergeConfig(this.defaults, config);
  return buildURL(config.url, config.params, config.paramsSerializer).replace(/^\?/, '');
};

// Provide aliases for supported request methods
utils.forEach(['delete', 'get', 'head', 'options'], function forEachMethodNoData(method) {
  /*eslint func-names:0*/
  Axios.prototype[method] = function(url, config) {
    return this.request(mergeConfig(config || {}, {
      method: method,
      url: url,
      data: (config || {}).data
    }));
  };
});

utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
  /*eslint func-names:0*/
  Axios.prototype[method] = function(url, data, config) {
    return this.request(mergeConfig(config || {}, {
      method: method,
      url: url,
      data: data
    }));
  };
});

module.exports = Axios;


/***/ }),

/***/ "./node_modules/axios/lib/core/InterceptorManager.js":
/*!***********************************************************!*\
  !*** ./node_modules/axios/lib/core/InterceptorManager.js ***!
  \***********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ./../utils */ "./node_modules/axios/lib/utils.js");

function InterceptorManager() {
  this.handlers = [];
}

/**
 * Add a new interceptor to the stack
 *
 * @param {Function} fulfilled The function to handle `then` for a `Promise`
 * @param {Function} rejected The function to handle `reject` for a `Promise`
 *
 * @return {Number} An ID used to remove interceptor later
 */
InterceptorManager.prototype.use = function use(fulfilled, rejected) {
  this.handlers.push({
    fulfilled: fulfilled,
    rejected: rejected
  });
  return this.handlers.length - 1;
};

/**
 * Remove an interceptor from the stack
 *
 * @param {Number} id The ID that was returned by `use`
 */
InterceptorManager.prototype.eject = function eject(id) {
  if (this.handlers[id]) {
    this.handlers[id] = null;
  }
};

/**
 * Iterate over all the registered interceptors
 *
 * This method is particularly useful for skipping over any
 * interceptors that may have become `null` calling `eject`.
 *
 * @param {Function} fn The function to call for each interceptor
 */
InterceptorManager.prototype.forEach = function forEach(fn) {
  utils.forEach(this.handlers, function forEachHandler(h) {
    if (h !== null) {
      fn(h);
    }
  });
};

module.exports = InterceptorManager;


/***/ }),

/***/ "./node_modules/axios/lib/core/buildFullPath.js":
/*!******************************************************!*\
  !*** ./node_modules/axios/lib/core/buildFullPath.js ***!
  \******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var isAbsoluteURL = __webpack_require__(/*! ../helpers/isAbsoluteURL */ "./node_modules/axios/lib/helpers/isAbsoluteURL.js");
var combineURLs = __webpack_require__(/*! ../helpers/combineURLs */ "./node_modules/axios/lib/helpers/combineURLs.js");

/**
 * Creates a new URL by combining the baseURL with the requestedURL,
 * only when the requestedURL is not already an absolute URL.
 * If the requestURL is absolute, this function returns the requestedURL untouched.
 *
 * @param {string} baseURL The base URL
 * @param {string} requestedURL Absolute or relative URL to combine
 * @returns {string} The combined full path
 */
module.exports = function buildFullPath(baseURL, requestedURL) {
  if (baseURL && !isAbsoluteURL(requestedURL)) {
    return combineURLs(baseURL, requestedURL);
  }
  return requestedURL;
};


/***/ }),

/***/ "./node_modules/axios/lib/core/createError.js":
/*!****************************************************!*\
  !*** ./node_modules/axios/lib/core/createError.js ***!
  \****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var enhanceError = __webpack_require__(/*! ./enhanceError */ "./node_modules/axios/lib/core/enhanceError.js");

/**
 * Create an Error with the specified message, config, error code, request and response.
 *
 * @param {string} message The error message.
 * @param {Object} config The config.
 * @param {string} [code] The error code (for example, 'ECONNABORTED').
 * @param {Object} [request] The request.
 * @param {Object} [response] The response.
 * @returns {Error} The created error.
 */
module.exports = function createError(message, config, code, request, response) {
  var error = new Error(message);
  return enhanceError(error, config, code, request, response);
};


/***/ }),

/***/ "./node_modules/axios/lib/core/dispatchRequest.js":
/*!********************************************************!*\
  !*** ./node_modules/axios/lib/core/dispatchRequest.js ***!
  \********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ./../utils */ "./node_modules/axios/lib/utils.js");
var transformData = __webpack_require__(/*! ./transformData */ "./node_modules/axios/lib/core/transformData.js");
var isCancel = __webpack_require__(/*! ../cancel/isCancel */ "./node_modules/axios/lib/cancel/isCancel.js");
var defaults = __webpack_require__(/*! ../defaults */ "./node_modules/axios/lib/defaults.js");

/**
 * Throws a `Cancel` if cancellation has been requested.
 */
function throwIfCancellationRequested(config) {
  if (config.cancelToken) {
    config.cancelToken.throwIfRequested();
  }
}

/**
 * Dispatch a request to the server using the configured adapter.
 *
 * @param {object} config The config that is to be used for the request
 * @returns {Promise} The Promise to be fulfilled
 */
module.exports = function dispatchRequest(config) {
  throwIfCancellationRequested(config);

  // Ensure headers exist
  config.headers = config.headers || {};

  // Transform request data
  config.data = transformData(
    config.data,
    config.headers,
    config.transformRequest
  );

  // Flatten headers
  config.headers = utils.merge(
    config.headers.common || {},
    config.headers[config.method] || {},
    config.headers
  );

  utils.forEach(
    ['delete', 'get', 'head', 'post', 'put', 'patch', 'common'],
    function cleanHeaderConfig(method) {
      delete config.headers[method];
    }
  );

  var adapter = config.adapter || defaults.adapter;

  return adapter(config).then(function onAdapterResolution(response) {
    throwIfCancellationRequested(config);

    // Transform response data
    response.data = transformData(
      response.data,
      response.headers,
      config.transformResponse
    );

    return response;
  }, function onAdapterRejection(reason) {
    if (!isCancel(reason)) {
      throwIfCancellationRequested(config);

      // Transform response data
      if (reason && reason.response) {
        reason.response.data = transformData(
          reason.response.data,
          reason.response.headers,
          config.transformResponse
        );
      }
    }

    return Promise.reject(reason);
  });
};


/***/ }),

/***/ "./node_modules/axios/lib/core/enhanceError.js":
/*!*****************************************************!*\
  !*** ./node_modules/axios/lib/core/enhanceError.js ***!
  \*****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


/**
 * Update an Error with the specified config, error code, and response.
 *
 * @param {Error} error The error to update.
 * @param {Object} config The config.
 * @param {string} [code] The error code (for example, 'ECONNABORTED').
 * @param {Object} [request] The request.
 * @param {Object} [response] The response.
 * @returns {Error} The error.
 */
module.exports = function enhanceError(error, config, code, request, response) {
  error.config = config;
  if (code) {
    error.code = code;
  }

  error.request = request;
  error.response = response;
  error.isAxiosError = true;

  error.toJSON = function toJSON() {
    return {
      // Standard
      message: this.message,
      name: this.name,
      // Microsoft
      description: this.description,
      number: this.number,
      // Mozilla
      fileName: this.fileName,
      lineNumber: this.lineNumber,
      columnNumber: this.columnNumber,
      stack: this.stack,
      // Axios
      config: this.config,
      code: this.code
    };
  };
  return error;
};


/***/ }),

/***/ "./node_modules/axios/lib/core/mergeConfig.js":
/*!****************************************************!*\
  !*** ./node_modules/axios/lib/core/mergeConfig.js ***!
  \****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ../utils */ "./node_modules/axios/lib/utils.js");

/**
 * Config-specific merge-function which creates a new config-object
 * by merging two configuration objects together.
 *
 * @param {Object} config1
 * @param {Object} config2
 * @returns {Object} New object resulting from merging config2 to config1
 */
module.exports = function mergeConfig(config1, config2) {
  // eslint-disable-next-line no-param-reassign
  config2 = config2 || {};
  var config = {};

  var valueFromConfig2Keys = ['url', 'method', 'data'];
  var mergeDeepPropertiesKeys = ['headers', 'auth', 'proxy', 'params'];
  var defaultToConfig2Keys = [
    'baseURL', 'transformRequest', 'transformResponse', 'paramsSerializer',
    'timeout', 'timeoutMessage', 'withCredentials', 'adapter', 'responseType', 'xsrfCookieName',
    'xsrfHeaderName', 'onUploadProgress', 'onDownloadProgress', 'decompress',
    'maxContentLength', 'maxBodyLength', 'maxRedirects', 'transport', 'httpAgent',
    'httpsAgent', 'cancelToken', 'socketPath', 'responseEncoding'
  ];
  var directMergeKeys = ['validateStatus'];

  function getMergedValue(target, source) {
    if (utils.isPlainObject(target) && utils.isPlainObject(source)) {
      return utils.merge(target, source);
    } else if (utils.isPlainObject(source)) {
      return utils.merge({}, source);
    } else if (utils.isArray(source)) {
      return source.slice();
    }
    return source;
  }

  function mergeDeepProperties(prop) {
    if (!utils.isUndefined(config2[prop])) {
      config[prop] = getMergedValue(config1[prop], config2[prop]);
    } else if (!utils.isUndefined(config1[prop])) {
      config[prop] = getMergedValue(undefined, config1[prop]);
    }
  }

  utils.forEach(valueFromConfig2Keys, function valueFromConfig2(prop) {
    if (!utils.isUndefined(config2[prop])) {
      config[prop] = getMergedValue(undefined, config2[prop]);
    }
  });

  utils.forEach(mergeDeepPropertiesKeys, mergeDeepProperties);

  utils.forEach(defaultToConfig2Keys, function defaultToConfig2(prop) {
    if (!utils.isUndefined(config2[prop])) {
      config[prop] = getMergedValue(undefined, config2[prop]);
    } else if (!utils.isUndefined(config1[prop])) {
      config[prop] = getMergedValue(undefined, config1[prop]);
    }
  });

  utils.forEach(directMergeKeys, function merge(prop) {
    if (prop in config2) {
      config[prop] = getMergedValue(config1[prop], config2[prop]);
    } else if (prop in config1) {
      config[prop] = getMergedValue(undefined, config1[prop]);
    }
  });

  var axiosKeys = valueFromConfig2Keys
    .concat(mergeDeepPropertiesKeys)
    .concat(defaultToConfig2Keys)
    .concat(directMergeKeys);

  var otherKeys = Object
    .keys(config1)
    .concat(Object.keys(config2))
    .filter(function filterAxiosKeys(key) {
      return axiosKeys.indexOf(key) === -1;
    });

  utils.forEach(otherKeys, mergeDeepProperties);

  return config;
};


/***/ }),

/***/ "./node_modules/axios/lib/core/settle.js":
/*!***********************************************!*\
  !*** ./node_modules/axios/lib/core/settle.js ***!
  \***********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var createError = __webpack_require__(/*! ./createError */ "./node_modules/axios/lib/core/createError.js");

/**
 * Resolve or reject a Promise based on response status.
 *
 * @param {Function} resolve A function that resolves the promise.
 * @param {Function} reject A function that rejects the promise.
 * @param {object} response The response.
 */
module.exports = function settle(resolve, reject, response) {
  var validateStatus = response.config.validateStatus;
  if (!response.status || !validateStatus || validateStatus(response.status)) {
    resolve(response);
  } else {
    reject(createError(
      'Request failed with status code ' + response.status,
      response.config,
      null,
      response.request,
      response
    ));
  }
};


/***/ }),

/***/ "./node_modules/axios/lib/core/transformData.js":
/*!******************************************************!*\
  !*** ./node_modules/axios/lib/core/transformData.js ***!
  \******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ./../utils */ "./node_modules/axios/lib/utils.js");

/**
 * Transform the data for a request or a response
 *
 * @param {Object|String} data The data to be transformed
 * @param {Array} headers The headers for the request or response
 * @param {Array|Function} fns A single function or Array of functions
 * @returns {*} The resulting transformed data
 */
module.exports = function transformData(data, headers, fns) {
  /*eslint no-param-reassign:0*/
  utils.forEach(fns, function transform(fn) {
    data = fn(data, headers);
  });

  return data;
};


/***/ }),

/***/ "./node_modules/axios/lib/defaults.js":
/*!********************************************!*\
  !*** ./node_modules/axios/lib/defaults.js ***!
  \********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/* WEBPACK VAR INJECTION */(function(process) {

var utils = __webpack_require__(/*! ./utils */ "./node_modules/axios/lib/utils.js");
var normalizeHeaderName = __webpack_require__(/*! ./helpers/normalizeHeaderName */ "./node_modules/axios/lib/helpers/normalizeHeaderName.js");

var DEFAULT_CONTENT_TYPE = {
  'Content-Type': 'application/x-www-form-urlencoded'
};

function setContentTypeIfUnset(headers, value) {
  if (!utils.isUndefined(headers) && utils.isUndefined(headers['Content-Type'])) {
    headers['Content-Type'] = value;
  }
}

function getDefaultAdapter() {
  var adapter;
  if (typeof XMLHttpRequest !== 'undefined') {
    // For browsers use XHR adapter
    adapter = __webpack_require__(/*! ./adapters/xhr */ "./node_modules/axios/lib/adapters/xhr.js");
  } else if (typeof process !== 'undefined' && Object.prototype.toString.call(process) === '[object process]') {
    // For node use HTTP adapter
    adapter = __webpack_require__(/*! ./adapters/http */ "./node_modules/axios/lib/adapters/xhr.js");
  }
  return adapter;
}

var defaults = {
  adapter: getDefaultAdapter(),

  transformRequest: [function transformRequest(data, headers) {
    normalizeHeaderName(headers, 'Accept');
    normalizeHeaderName(headers, 'Content-Type');
    if (utils.isFormData(data) ||
      utils.isArrayBuffer(data) ||
      utils.isBuffer(data) ||
      utils.isStream(data) ||
      utils.isFile(data) ||
      utils.isBlob(data)
    ) {
      return data;
    }
    if (utils.isArrayBufferView(data)) {
      return data.buffer;
    }
    if (utils.isURLSearchParams(data)) {
      setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');
      return data.toString();
    }
    if (utils.isObject(data)) {
      setContentTypeIfUnset(headers, 'application/json;charset=utf-8');
      return JSON.stringify(data);
    }
    return data;
  }],

  transformResponse: [function transformResponse(data) {
    /*eslint no-param-reassign:0*/
    if (typeof data === 'string') {
      try {
        data = JSON.parse(data);
      } catch (e) { /* Ignore */ }
    }
    return data;
  }],

  /**
   * A timeout in milliseconds to abort a request. If set to 0 (default) a
   * timeout is not created.
   */
  timeout: 0,

  xsrfCookieName: 'XSRF-TOKEN',
  xsrfHeaderName: 'X-XSRF-TOKEN',

  maxContentLength: -1,
  maxBodyLength: -1,

  validateStatus: function validateStatus(status) {
    return status >= 200 && status < 300;
  }
};

defaults.headers = {
  common: {
    'Accept': 'application/json, text/plain, */*'
  }
};

utils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {
  defaults.headers[method] = {};
});

utils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {
  defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);
});

module.exports = defaults;

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../process/browser.js */ "./node_modules/process/browser.js")))

/***/ }),

/***/ "./node_modules/axios/lib/helpers/bind.js":
/*!************************************************!*\
  !*** ./node_modules/axios/lib/helpers/bind.js ***!
  \************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


module.exports = function bind(fn, thisArg) {
  return function wrap() {
    var args = new Array(arguments.length);
    for (var i = 0; i < args.length; i++) {
      args[i] = arguments[i];
    }
    return fn.apply(thisArg, args);
  };
};


/***/ }),

/***/ "./node_modules/axios/lib/helpers/buildURL.js":
/*!****************************************************!*\
  !*** ./node_modules/axios/lib/helpers/buildURL.js ***!
  \****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ./../utils */ "./node_modules/axios/lib/utils.js");

function encode(val) {
  return encodeURIComponent(val).
    replace(/%3A/gi, ':').
    replace(/%24/g, '$').
    replace(/%2C/gi, ',').
    replace(/%20/g, '+').
    replace(/%5B/gi, '[').
    replace(/%5D/gi, ']');
}

/**
 * Build a URL by appending params to the end
 *
 * @param {string} url The base of the url (e.g., http://www.google.com)
 * @param {object} [params] The params to be appended
 * @returns {string} The formatted url
 */
module.exports = function buildURL(url, params, paramsSerializer) {
  /*eslint no-param-reassign:0*/
  if (!params) {
    return url;
  }

  var serializedParams;
  if (paramsSerializer) {
    serializedParams = paramsSerializer(params);
  } else if (utils.isURLSearchParams(params)) {
    serializedParams = params.toString();
  } else {
    var parts = [];

    utils.forEach(params, function serialize(val, key) {
      if (val === null || typeof val === 'undefined') {
        return;
      }

      if (utils.isArray(val)) {
        key = key + '[]';
      } else {
        val = [val];
      }

      utils.forEach(val, function parseValue(v) {
        if (utils.isDate(v)) {
          v = v.toISOString();
        } else if (utils.isObject(v)) {
          v = JSON.stringify(v);
        }
        parts.push(encode(key) + '=' + encode(v));
      });
    });

    serializedParams = parts.join('&');
  }

  if (serializedParams) {
    var hashmarkIndex = url.indexOf('#');
    if (hashmarkIndex !== -1) {
      url = url.slice(0, hashmarkIndex);
    }

    url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams;
  }

  return url;
};


/***/ }),

/***/ "./node_modules/axios/lib/helpers/combineURLs.js":
/*!*******************************************************!*\
  !*** ./node_modules/axios/lib/helpers/combineURLs.js ***!
  \*******************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


/**
 * Creates a new URL by combining the specified URLs
 *
 * @param {string} baseURL The base URL
 * @param {string} relativeURL The relative URL
 * @returns {string} The combined URL
 */
module.exports = function combineURLs(baseURL, relativeURL) {
  return relativeURL
    ? baseURL.replace(/\/+$/, '') + '/' + relativeURL.replace(/^\/+/, '')
    : baseURL;
};


/***/ }),

/***/ "./node_modules/axios/lib/helpers/cookies.js":
/*!***************************************************!*\
  !*** ./node_modules/axios/lib/helpers/cookies.js ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ./../utils */ "./node_modules/axios/lib/utils.js");

module.exports = (
  utils.isStandardBrowserEnv() ?

  // Standard browser envs support document.cookie
    (function standardBrowserEnv() {
      return {
        write: function write(name, value, expires, path, domain, secure) {
          var cookie = [];
          cookie.push(name + '=' + encodeURIComponent(value));

          if (utils.isNumber(expires)) {
            cookie.push('expires=' + new Date(expires).toGMTString());
          }

          if (utils.isString(path)) {
            cookie.push('path=' + path);
          }

          if (utils.isString(domain)) {
            cookie.push('domain=' + domain);
          }

          if (secure === true) {
            cookie.push('secure');
          }

          document.cookie = cookie.join('; ');
        },

        read: function read(name) {
          var match = document.cookie.match(new RegExp('(^|;\\s*)(' + name + ')=([^;]*)'));
          return (match ? decodeURIComponent(match[3]) : null);
        },

        remove: function remove(name) {
          this.write(name, '', Date.now() - 86400000);
        }
      };
    })() :

  // Non standard browser env (web workers, react-native) lack needed support.
    (function nonStandardBrowserEnv() {
      return {
        write: function write() {},
        read: function read() { return null; },
        remove: function remove() {}
      };
    })()
);


/***/ }),

/***/ "./node_modules/axios/lib/helpers/isAbsoluteURL.js":
/*!*********************************************************!*\
  !*** ./node_modules/axios/lib/helpers/isAbsoluteURL.js ***!
  \*********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


/**
 * Determines whether the specified URL is absolute
 *
 * @param {string} url The URL to test
 * @returns {boolean} True if the specified URL is absolute, otherwise false
 */
module.exports = function isAbsoluteURL(url) {
  // A URL is considered absolute if it begins with "<scheme>://" or "//" (protocol-relative URL).
  // RFC 3986 defines scheme name as a sequence of characters beginning with a letter and followed
  // by any combination of letters, digits, plus, period, or hyphen.
  return /^([a-z][a-z\d\+\-\.]*:)?\/\//i.test(url);
};


/***/ }),

/***/ "./node_modules/axios/lib/helpers/isAxiosError.js":
/*!********************************************************!*\
  !*** ./node_modules/axios/lib/helpers/isAxiosError.js ***!
  \********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


/**
 * Determines whether the payload is an error thrown by Axios
 *
 * @param {*} payload The value to test
 * @returns {boolean} True if the payload is an error thrown by Axios, otherwise false
 */
module.exports = function isAxiosError(payload) {
  return (typeof payload === 'object') && (payload.isAxiosError === true);
};


/***/ }),

/***/ "./node_modules/axios/lib/helpers/isURLSameOrigin.js":
/*!***********************************************************!*\
  !*** ./node_modules/axios/lib/helpers/isURLSameOrigin.js ***!
  \***********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ./../utils */ "./node_modules/axios/lib/utils.js");

module.exports = (
  utils.isStandardBrowserEnv() ?

  // Standard browser envs have full support of the APIs needed to test
  // whether the request URL is of the same origin as current location.
    (function standardBrowserEnv() {
      var msie = /(msie|trident)/i.test(navigator.userAgent);
      var urlParsingNode = document.createElement('a');
      var originURL;

      /**
    * Parse a URL to discover it's components
    *
    * @param {String} url The URL to be parsed
    * @returns {Object}
    */
      function resolveURL(url) {
        var href = url;

        if (msie) {
        // IE needs attribute set twice to normalize properties
          urlParsingNode.setAttribute('href', href);
          href = urlParsingNode.href;
        }

        urlParsingNode.setAttribute('href', href);

        // urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils
        return {
          href: urlParsingNode.href,
          protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',
          host: urlParsingNode.host,
          search: urlParsingNode.search ? urlParsingNode.search.replace(/^\?/, '') : '',
          hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',
          hostname: urlParsingNode.hostname,
          port: urlParsingNode.port,
          pathname: (urlParsingNode.pathname.charAt(0) === '/') ?
            urlParsingNode.pathname :
            '/' + urlParsingNode.pathname
        };
      }

      originURL = resolveURL(window.location.href);

      /**
    * Determine if a URL shares the same origin as the current location
    *
    * @param {String} requestURL The URL to test
    * @returns {boolean} True if URL shares the same origin, otherwise false
    */
      return function isURLSameOrigin(requestURL) {
        var parsed = (utils.isString(requestURL)) ? resolveURL(requestURL) : requestURL;
        return (parsed.protocol === originURL.protocol &&
            parsed.host === originURL.host);
      };
    })() :

  // Non standard browser envs (web workers, react-native) lack needed support.
    (function nonStandardBrowserEnv() {
      return function isURLSameOrigin() {
        return true;
      };
    })()
);


/***/ }),

/***/ "./node_modules/axios/lib/helpers/normalizeHeaderName.js":
/*!***************************************************************!*\
  !*** ./node_modules/axios/lib/helpers/normalizeHeaderName.js ***!
  \***************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ../utils */ "./node_modules/axios/lib/utils.js");

module.exports = function normalizeHeaderName(headers, normalizedName) {
  utils.forEach(headers, function processHeader(value, name) {
    if (name !== normalizedName && name.toUpperCase() === normalizedName.toUpperCase()) {
      headers[normalizedName] = value;
      delete headers[name];
    }
  });
};


/***/ }),

/***/ "./node_modules/axios/lib/helpers/parseHeaders.js":
/*!********************************************************!*\
  !*** ./node_modules/axios/lib/helpers/parseHeaders.js ***!
  \********************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var utils = __webpack_require__(/*! ./../utils */ "./node_modules/axios/lib/utils.js");

// Headers whose duplicates are ignored by node
// c.f. https://nodejs.org/api/http.html#http_message_headers
var ignoreDuplicateOf = [
  'age', 'authorization', 'content-length', 'content-type', 'etag',
  'expires', 'from', 'host', 'if-modified-since', 'if-unmodified-since',
  'last-modified', 'location', 'max-forwards', 'proxy-authorization',
  'referer', 'retry-after', 'user-agent'
];

/**
 * Parse headers into an object
 *
 * ```
 * Date: Wed, 27 Aug 2014 08:58:49 GMT
 * Content-Type: application/json
 * Connection: keep-alive
 * Transfer-Encoding: chunked
 * ```
 *
 * @param {String} headers Headers needing to be parsed
 * @returns {Object} Headers parsed into an object
 */
module.exports = function parseHeaders(headers) {
  var parsed = {};
  var key;
  var val;
  var i;

  if (!headers) { return parsed; }

  utils.forEach(headers.split('\n'), function parser(line) {
    i = line.indexOf(':');
    key = utils.trim(line.substr(0, i)).toLowerCase();
    val = utils.trim(line.substr(i + 1));

    if (key) {
      if (parsed[key] && ignoreDuplicateOf.indexOf(key) >= 0) {
        return;
      }
      if (key === 'set-cookie') {
        parsed[key] = (parsed[key] ? parsed[key] : []).concat([val]);
      } else {
        parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;
      }
    }
  });

  return parsed;
};


/***/ }),

/***/ "./node_modules/axios/lib/helpers/spread.js":
/*!**************************************************!*\
  !*** ./node_modules/axios/lib/helpers/spread.js ***!
  \**************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


/**
 * Syntactic sugar for invoking a function and expanding an array for arguments.
 *
 * Common use case would be to use `Function.prototype.apply`.
 *
 *  ```js
 *  function f(x, y, z) {}
 *  var args = [1, 2, 3];
 *  f.apply(null, args);
 *  ```
 *
 * With `spread` this example can be re-written.
 *
 *  ```js
 *  spread(function(x, y, z) {})([1, 2, 3]);
 *  ```
 *
 * @param {Function} callback
 * @returns {Function}
 */
module.exports = function spread(callback) {
  return function wrap(arr) {
    return callback.apply(null, arr);
  };
};


/***/ }),

/***/ "./node_modules/axios/lib/utils.js":
/*!*****************************************!*\
  !*** ./node_modules/axios/lib/utils.js ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var bind = __webpack_require__(/*! ./helpers/bind */ "./node_modules/axios/lib/helpers/bind.js");

/*global toString:true*/

// utils is a library of generic helper functions non-specific to axios

var toString = Object.prototype.toString;

/**
 * Determine if a value is an Array
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is an Array, otherwise false
 */
function isArray(val) {
  return toString.call(val) === '[object Array]';
}

/**
 * Determine if a value is undefined
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if the value is undefined, otherwise false
 */
function isUndefined(val) {
  return typeof val === 'undefined';
}

/**
 * Determine if a value is a Buffer
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is a Buffer, otherwise false
 */
function isBuffer(val) {
  return val !== null && !isUndefined(val) && val.constructor !== null && !isUndefined(val.constructor)
    && typeof val.constructor.isBuffer === 'function' && val.constructor.isBuffer(val);
}

/**
 * Determine if a value is an ArrayBuffer
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is an ArrayBuffer, otherwise false
 */
function isArrayBuffer(val) {
  return toString.call(val) === '[object ArrayBuffer]';
}

/**
 * Determine if a value is a FormData
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is an FormData, otherwise false
 */
function isFormData(val) {
  return (typeof FormData !== 'undefined') && (val instanceof FormData);
}

/**
 * Determine if a value is a view on an ArrayBuffer
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is a view on an ArrayBuffer, otherwise false
 */
function isArrayBufferView(val) {
  var result;
  if ((typeof ArrayBuffer !== 'undefined') && (ArrayBuffer.isView)) {
    result = ArrayBuffer.isView(val);
  } else {
    result = (val) && (val.buffer) && (val.buffer instanceof ArrayBuffer);
  }
  return result;
}

/**
 * Determine if a value is a String
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is a String, otherwise false
 */
function isString(val) {
  return typeof val === 'string';
}

/**
 * Determine if a value is a Number
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is a Number, otherwise false
 */
function isNumber(val) {
  return typeof val === 'number';
}

/**
 * Determine if a value is an Object
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is an Object, otherwise false
 */
function isObject(val) {
  return val !== null && typeof val === 'object';
}

/**
 * Determine if a value is a plain Object
 *
 * @param {Object} val The value to test
 * @return {boolean} True if value is a plain Object, otherwise false
 */
function isPlainObject(val) {
  if (toString.call(val) !== '[object Object]') {
    return false;
  }

  var prototype = Object.getPrototypeOf(val);
  return prototype === null || prototype === Object.prototype;
}

/**
 * Determine if a value is a Date
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is a Date, otherwise false
 */
function isDate(val) {
  return toString.call(val) === '[object Date]';
}

/**
 * Determine if a value is a File
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is a File, otherwise false
 */
function isFile(val) {
  return toString.call(val) === '[object File]';
}

/**
 * Determine if a value is a Blob
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is a Blob, otherwise false
 */
function isBlob(val) {
  return toString.call(val) === '[object Blob]';
}

/**
 * Determine if a value is a Function
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is a Function, otherwise false
 */
function isFunction(val) {
  return toString.call(val) === '[object Function]';
}

/**
 * Determine if a value is a Stream
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is a Stream, otherwise false
 */
function isStream(val) {
  return isObject(val) && isFunction(val.pipe);
}

/**
 * Determine if a value is a URLSearchParams object
 *
 * @param {Object} val The value to test
 * @returns {boolean} True if value is a URLSearchParams object, otherwise false
 */
function isURLSearchParams(val) {
  return typeof URLSearchParams !== 'undefined' && val instanceof URLSearchParams;
}

/**
 * Trim excess whitespace off the beginning and end of a string
 *
 * @param {String} str The String to trim
 * @returns {String} The String freed of excess whitespace
 */
function trim(str) {
  return str.replace(/^\s*/, '').replace(/\s*$/, '');
}

/**
 * Determine if we're running in a standard browser environment
 *
 * This allows axios to run in a web worker, and react-native.
 * Both environments support XMLHttpRequest, but not fully standard globals.
 *
 * web workers:
 *  typeof window -> undefined
 *  typeof document -> undefined
 *
 * react-native:
 *  navigator.product -> 'ReactNative'
 * nativescript
 *  navigator.product -> 'NativeScript' or 'NS'
 */
function isStandardBrowserEnv() {
  if (typeof navigator !== 'undefined' && (navigator.product === 'ReactNative' ||
                                           navigator.product === 'NativeScript' ||
                                           navigator.product === 'NS')) {
    return false;
  }
  return (
    typeof window !== 'undefined' &&
    typeof document !== 'undefined'
  );
}

/**
 * Iterate over an Array or an Object invoking a function for each item.
 *
 * If `obj` is an Array callback will be called passing
 * the value, index, and complete array for each item.
 *
 * If 'obj' is an Object callback will be called passing
 * the value, key, and complete object for each property.
 *
 * @param {Object|Array} obj The object to iterate
 * @param {Function} fn The callback to invoke for each item
 */
function forEach(obj, fn) {
  // Don't bother if no value provided
  if (obj === null || typeof obj === 'undefined') {
    return;
  }

  // Force an array if not already something iterable
  if (typeof obj !== 'object') {
    /*eslint no-param-reassign:0*/
    obj = [obj];
  }

  if (isArray(obj)) {
    // Iterate over array values
    for (var i = 0, l = obj.length; i < l; i++) {
      fn.call(null, obj[i], i, obj);
    }
  } else {
    // Iterate over object keys
    for (var key in obj) {
      if (Object.prototype.hasOwnProperty.call(obj, key)) {
        fn.call(null, obj[key], key, obj);
      }
    }
  }
}

/**
 * Accepts varargs expecting each argument to be an object, then
 * immutably merges the properties of each object and returns result.
 *
 * When multiple objects contain the same key the later object in
 * the arguments list will take precedence.
 *
 * Example:
 *
 * ```js
 * var result = merge({foo: 123}, {foo: 456});
 * console.log(result.foo); // outputs 456
 * ```
 *
 * @param {Object} obj1 Object to merge
 * @returns {Object} Result of all merge properties
 */
function merge(/* obj1, obj2, obj3, ... */) {
  var result = {};
  function assignValue(val, key) {
    if (isPlainObject(result[key]) && isPlainObject(val)) {
      result[key] = merge(result[key], val);
    } else if (isPlainObject(val)) {
      result[key] = merge({}, val);
    } else if (isArray(val)) {
      result[key] = val.slice();
    } else {
      result[key] = val;
    }
  }

  for (var i = 0, l = arguments.length; i < l; i++) {
    forEach(arguments[i], assignValue);
  }
  return result;
}

/**
 * Extends object a by mutably adding to it the properties of object b.
 *
 * @param {Object} a The object to be extended
 * @param {Object} b The object to copy properties from
 * @param {Object} thisArg The object to bind function to
 * @return {Object} The resulting value of object a
 */
function extend(a, b, thisArg) {
  forEach(b, function assignValue(val, key) {
    if (thisArg && typeof val === 'function') {
      a[key] = bind(val, thisArg);
    } else {
      a[key] = val;
    }
  });
  return a;
}

/**
 * Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
 *
 * @param {string} content with BOM
 * @return {string} content value without BOM
 */
function stripBOM(content) {
  if (content.charCodeAt(0) === 0xFEFF) {
    content = content.slice(1);
  }
  return content;
}

module.exports = {
  isArray: isArray,
  isArrayBuffer: isArrayBuffer,
  isBuffer: isBuffer,
  isFormData: isFormData,
  isArrayBufferView: isArrayBufferView,
  isString: isString,
  isNumber: isNumber,
  isObject: isObject,
  isPlainObject: isPlainObject,
  isUndefined: isUndefined,
  isDate: isDate,
  isFile: isFile,
  isBlob: isBlob,
  isFunction: isFunction,
  isStream: isStream,
  isURLSearchParams: isURLSearchParams,
  isStandardBrowserEnv: isStandardBrowserEnv,
  forEach: forEach,
  merge: merge,
  extend: extend,
  trim: trim,
  stripBOM: stripBOM
};


/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/assignments/assignment-edit.vue?vue&type=script&lang=js&":
/*!**************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/assignments/assignment-edit.vue?vue&type=script&lang=js& ***!
  \**************************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "assignment", "group", "free_members"],
  data: function data() {
    return {
      assignees: this.assignment.users,
      members: this.group.users,
      shownAssignment: this.assignment,
      onTime: this.assignment.on_time == 1,
      due: this.assignment.due,
      hours: this.assignment.duration,
      minutes: this.assignment.duration,
      takenAssignment: false,
      csrf: document.head.querySelector('meta[name="csrf-token"]').content,
      users: this.assignment.users.map(function (u) {
        return u.id;
      }),
      pageOfItems: [],
      asEditErrors: {}
    };
  },
  mounted: function mounted() {
    if (this.due) {
      this.due = this.assignment.due.slice(0, this.assignment.due.lastIndexOf(" ")) + "T" + this.assignment.due.slice(this.assignment.due.lastIndexOf(" ") + 1);
    }

    if (this.hours && this.minutes) {
      this.hours = Number(this.assignment.duration.slice(0, this.assignment.duration.lastIndexOf("h")));
      this.minutes = Number(this.assignment.duration.slice(this.assignment.duration.lastIndexOf("h") + 2, this.assignment.duration.lastIndexOf("m")));
    }
  },
  methods: {
    submit: function submit() {
      var _this = this;

      this.shownAssignment.on_time = this.onTime;
      this.shownAssignment.due = this.due;
      this.shownAssignment.duration_hours = this.hours;
      this.shownAssignment.duration_minutes = this.minutes;
      this.shownAssignment.users = this.users;
      axios.patch("/assignments/" + this.assignment.id + "/edit", this.shownAssignment).then(function (response) {
        window.location.href = "/assignments/" + _this.assignment.id;
      })["catch"](function (error) {
        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/assignments/assignment-show-file-upload.vue?vue&type=script&lang=js&":
/*!**************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/assignments/assignment-show-file-upload.vue?vue&type=script&lang=js& ***!
  \**************************************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "assignment", "assignment_users_ids"],
  data: function data() {
    return {
      takenAssignment: false,
      assignmentsFiles: [],
      newFile: null,
      csrf: document.head.querySelector('meta[name="csrf-token"]').content,
      pageOfItems: [],
      fileTooBig: false
    };
  },
  mounted: function mounted() {
    this.getAssignmentFiles();
  },
  methods: {
    getAssignmentFiles: function getAssignmentFiles() {
      var _this = this;

      axios.get("/assignments/" + this.assignment.id + "/get-files").then(function (response) {
        _this.assignmentsFiles = response.data;
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this.errors = error.response.data.errors;
          console.log(_this.errors);
        }

        console.log(error.message);
      });
    },
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    },
    handleFileUpload: function handleFileUpload() {
      if (this.$refs.file_path.files[0].size > 25000000) {
        this.fileTooBig = true;
        return;
      }

      this.fileTooBig = false;
      this.newFile = this.$refs.file_path.files[0];
    },
    deleteFile: function deleteFile(file) {
      var _this2 = this;

      axios["delete"]("/assignments/file-delete/" + file.id).then(function (response) {
        _this2.assignmentsFiles = _this2.assignmentsFiles.filter(function (e) {
          return e !== file;
        });
      });
    },
    submit: function submit() {
      var _this3 = this;

      var formData = new FormData();

      if (this.newFile) {
        formData.append("file_path", this.newFile);
        var fileName = document.getElementById("file_name").value;

        if (fileName.trim() != "") {
          formData.append("file_name", fileName);
        }
      }

      axios.post("/assignments/" + this.assignment.id + "/file-upload", formData, {
        headers: {
          "Content-Type": "multipart/form-data"
        }
      }).then(function (response) {
        _this3.assignmentsFiles.push(response.data);

        _this3.uploadImage = false;
        _this3.uploadFile = false;
      })["catch"](function (error) {
        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/assignments/assignment-show.vue?vue&type=script&lang=js&":
/*!**************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/assignments/assignment-show.vue?vue&type=script&lang=js& ***!
  \**************************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "assignment", "author", "assignment_users_ids"],
  data: function data() {
    return {
      shownAssignment: this.assignment,
      takenAssignment: this.assignment.taken,
      editingComment: false,
      authorComment: this.assignment.author_comment
    };
  },
  methods: {
    checkWithUser: function checkWithUser($assignment, $whatToDo) {
      if (confirm("Are you sure? This action is irreversible.")) {
        if ($whatToDo == "delete") {
          this.deleteAssignment($assignment);
        } else if ($whatToDo == "done") {
          this.markAsDone($assignment);
        } else if ($whatToDo == "take") {
          this.takeAssignment($assignment);
        }
      }
    },
    takeAssignment: function takeAssignment($assignment) {
      var _this = this;

      axios.patch("/assignments/" + $assignment.id + "/take").then(function (response) {
        _this.shownAssignment.users.push(_this.user);

        _this.assignment_users_ids.push(_this.user.id);

        _this.takenAssignment = true;
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this.errors = error.response.data.errors;
          console.log(_this.errors);
        }

        console.log(error.message);
      });
    },
    markAsDone: function markAsDone($assignment) {
      var _this2 = this;

      axios.patch("/assignments/" + $assignment.id + "/done").then(function (response) {
        _this2.shownAssignment.done = true;
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    },
    deleteAssignment: function deleteAssignment($assignment) {
      axios["delete"]("/assignments/" + $assignment.id).then(function (response) {
        window.location.href = "/assignments";
      });
    },
    editComment: function editComment() {
      var _this3 = this;

      axios.patch("/assignments/" + this.assignment.id + "/edit-comment", {
        author_comment: document.getElementById("author_comment").value
      }).then(function (response) {
        _this3.authorComment = response.data;
        _this3.editingComment = false;
      })["catch"](function (error) {
        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/assignments/assignments-table.vue?vue&type=script&lang=js&":
/*!****************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/assignments/assignments-table.vue?vue&type=script&lang=js& ***!
  \****************************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "group", "assignments"],
  data: function data() {
    return {
      allAssignments: this.assignments,
      savedAssignments: this.assignments,
      pageOfItems: [],
      createNewAssignment: false,
      newAssignmentCreated: false,
      filtered: "all",
      select: null,
      searchBar: null
    };
  },
  mounted: function mounted() {
    this.select = document.getElementById("filter");
    this.select.addEventListener("click", this.selected);
    document.getElementById("searchButton").addEventListener("click", this.findAssignmentByName);
    this.searchBar = document.getElementById("searchBar");
    this.searchBar.addEventListener("keypress", this.searchOnEnter);
  },
  methods: {
    searchOnEnter: function searchOnEnter(event) {
      if (event.which === 13) {
        this.savedAssignments = this.allAssignments;
        this.findAssignmentByName();
        event.preventDefault();
      }
    },
    findAssignmentByName: function findAssignmentByName() {
      if (this.searchBar.value == "") {
        this.savedAssignments = this.allAssignments;
        return;
      }

      var findBy = this.searchBar.value;
      this.savedAssignments = this.savedAssignments.filter(function (e) {
        return e.name.toLowerCase().includes(findBy.toLowerCase());
      });
    },
    selected: function selected() {
      if (this.searchBar.value != "") {
        this.savedAssignments = this.allAssignments;
        this.searchBar.value = "";
        return;
      }

      if (this.select.value != this.filtered) {
        this.savedAssignments = this.allAssignments;
        this.searchBar.value = "";

        if (this.select.value === "created") {
          this.filterCreated();
        } else if (this.select.value === "mine") {
          this.filterMine();
        } else if (this.select.value === "toDo") {
          this.filterToDo();
        } else if (this.select.value === "free") {
          this.filterFree();
        } else if (this.select.value === "noAuthor") {
          this.filterNoAuthor();
        }

        this.filtered = this.select.value;
      }
    },
    filterCreated: function filterCreated() {
      var uid = this.user.id;
      this.savedAssignments = this.savedAssignments.filter(function (e) {
        return e.author_id == uid;
      });
    },
    filterMine: function filterMine() {
      var user = this.user;
      this.savedAssignments = this.savedAssignments.filter(function (e) {
        if (e.users.map(function (u) {
          return u.id;
        }).includes(user.id)) {
          return true;
        }

        return false;
      });
    },
    filterToDo: function filterToDo() {
      var uid = this.user.id;
      this.savedAssignments = this.savedAssignments.filter(function (e) {
        if (!e.done) {
          return true;
        }

        return false;
      });
    },
    filterFree: function filterFree() {
      this.savedAssignments = this.savedAssignments.filter(function (e) {
        if (e.users.length == 0 || e.users.length < e.max_assignees) {
          return true;
        }

        return false;
      });
    },
    filterNoAuthor: function filterNoAuthor() {
      this.savedAssignments = this.savedAssignments.filter(function (e) {
        if (!e.author_id) {
          return true;
        }

        return false;
      });
    },
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    },
    loadOlderAssignments: function loadOlderAssignments() {
      var _this = this;

      axios.get("/assignments/" + this.user.active_group + "/loadOlderAssignments/" + this.allAssignments.length, {}).then(function (response) {
        _this.allAssignments = response.data.reverse().concat(_this.allAssignments);
        _this.savedAssignments = response.data.reverse().concat(_this.savedAssignments);
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this.errors = error.response.data.errors;
          console.log(_this.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/assignments/group-assignments.vue?vue&type=script&lang=js&":
/*!****************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/assignments/group-assignments.vue?vue&type=script&lang=js& ***!
  \****************************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "group", "assignments", "members"],
  data: function data() {
    return {
      csrf: document.head.querySelector('meta[name="csrf-token"]').content,
      groupAssignmentsFields: {},
      groupAssignmentsErrors: {},
      createNewAssignment: false,
      newAssignmentCreated: false
    };
  },
  mounted: function mounted() {
    this.groupAssignmentsFields.users = [];
  },
  methods: {
    submit: function submit() {
      var _this = this;

      axios.post("/assignments", this.groupAssignmentsFields).then(function (response) {
        _this.groupAssignmentsFields = {};
        _this.createNewAssignment = false;
        _this.newAssignmentCreated = true;
        response.data.author = _this.user;

        if (_this.assignments.length > 0) {
          _this.assignments.unshift(response.data);
        } else {
          _this.assignments.push(response.data);
        }
      })["catch"](function (error) {
        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/chatrooms/chatrooms-index.vue?vue&type=script&lang=js&":
/*!************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/chatrooms/chatrooms-index.vue?vue&type=script&lang=js& ***!
  \************************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "chatrooms"],
  data: function data() {
    return {
      members: [],
      lettersCounter: 0,
      shownChatroom: this.chatrooms,
      pageOfItems: []
    };
  },
  mounted: function mounted() {
    var _this = this;

    if (this.user.group) {
      this.getGroupMembers();
      this.autocomplete(document.getElementById("memberInput"), this.members, this.lettersCounter);
    }

    this.shownChatroom = this.shownChatroom.sort(function (a, b) {
      return new Date(b.latest_message.created_at) - new Date(a.latest_message.created_at);
    });
    this.shownChatroom.forEach(function (chatroom) {
      window.Echo["private"]("chatrooms." + chatroom.id).listen("MessageSent", function (e) {
        _this.getLatestMessage(chatroom);
      });
    });
  },
  methods: {
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    },
    getLatestMessage: function getLatestMessage(chatroom) {
      var _this2 = this;

      axios.get("/chats/" + chatroom.id + "/latestMessage").then(function (response) {
        chatroom.latest_message = response.data;
        chatroom.latest_message.sender_id = chatroom.latest_message.sender.id;
        _this2.shownChatroom = _this2.shownChatroom.sort(function (a, b) {
          return new Date(b.latest_message.created_at) - new Date(a.latest_message.created_at);
        });
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    },
    getGroupMembers: function getGroupMembers() {
      var _this3 = this;

      axios.get("/groups/" + this.user.active_group + "/members/get").then(function (response) {
        _this3.members = response.data;

        _this3.autocomplete(document.getElementById("memberInput"), _this3.members, _this3.lettersCounter);
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this3.errors = error.response.data.errors;
          console.log(_this3.errors);
        }

        console.log(error.message);
      });
    },
    autocomplete: function autocomplete(inp, members, counter) {
      inp.addEventListener("input", function (e) {
        if (counter < 2) {
          counter += 1;
          return false;
        }

        counter = 0;
        var a,
            b,
            i,
            val = this.value;
        closeAllLists();

        if (!val) {
          return false;
        }

        a = document.createElement("DIV");
        a.setAttribute("id", this.id + "autocomplete-list");
        a.setAttribute("class", "autocomplete-items");
        this.parentNode.appendChild(a);

        for (i = 0; i < members.length; i++) {
          if (members[i].name.toLowerCase().includes(val.toLowerCase())) {
            b = document.createElement("DIV");
            b.setAttribute("class", "w-full h-full");
            b.innerHTML += "<a class='block border-none w-full' href='/chats/find/" + members[i].id + "'>" + members[i].name + "</a>";
            a.appendChild(b);
          }
        }
      });

      function closeAllLists(elmnt) {
        var x = document.getElementsByClassName("autocomplete-items");

        for (var i = 0; i < x.length; i++) {
          if (elmnt != x[i] && elmnt != inp) {
            x[i].parentNode.removeChild(x[i]);
          }
        }
      }

      document.addEventListener("click", function (e) {
        closeAllLists(e.target);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/chatrooms/chatrooms-show.vue?vue&type=script&lang=js&":
/*!***********************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/chatrooms/chatrooms-show.vue?vue&type=script&lang=js& ***!
  \***********************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "chatroom"],
  data: function data() {
    return {
      messages: [],
      users: [],
      newMessage: "",
      image: "",
      uploadImage: false,
      uploadFile: false,
      csrf: document.head.querySelector('meta[name="csrf-token"]').content,
      imageTooBig: false,
      fileTooBig: false
    };
  },
  mounted: function mounted() {
    var _this = this;

    this.getMessages();
    this.getUsers();
    document.getElementById("messageArea").addEventListener("keypress", this.submitOnEnter);
    window.Echo["private"]("chatrooms." + this.chatroom.id).listen("MessageSent", function (e) {
      e.message.sender = e.sender;

      _this.markAsReadMessage(e.message.id);

      _this.messages.push(e.message);

      _this.scrollChat();
    });
  },
  methods: {
    scrollChat: function scrollChat() {
      var _this2 = this;

      this.$nextTick(function () {
        _this2.$refs.chat.scrollTop = 9999;
      });
    },
    getUsers: function getUsers() {
      var _this3 = this;

      axios.get("/chats/" + this.chatroom.id + "/users/" + this.user.id).then(function (response) {
        _this3.users = response.data;
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this3.errors = error.response.data.errors;
          console.log(_this3.errors);
        }

        console.log(error.message);
      });
    },
    getMessages: function getMessages() {
      var _this4 = this;

      var div = this.chatWindow;
      axios.get("/chats/" + this.chatroom.id + "/messages").then(function (response) {
        _this4.messages = response.data.reverse();

        _this4.scrollChat();

        _this4.markAsReadMessages();
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this4.errors = error.response.data.errors;
          console.log(_this4.errors);
        }

        console.log(error.message);
      });
    },
    loadOlderMessages: function loadOlderMessages() {
      var _this5 = this;

      axios.get("/chats/" + this.chatroom.id + "/loadOlderMessages/" + this.messages.length, {}).then(function (response) {
        _this5.messages = response.data.reverse().concat(_this5.messages);
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this5.errors = error.response.data.errors;
          console.log(_this5.errors);
        }

        console.log(error.message);
      });
    },
    markAsReadMessages: function markAsReadMessages() {
      axios.patch("/chats/" + this.chatroom.id + "/readAll").then(function (response) {})["catch"](function (error) {
        console.log(error.message);
      });
    },
    markAsReadMessage: function markAsReadMessage(messageId) {
      axios.patch("/chats/" + this.chatroom.id + "/readMessage/" + messageId).then(function (response) {})["catch"](function (error) {
        console.log(error.message);
      });
    },
    submitOnEnter: function submitOnEnter(event) {
      if (event.which === 13) {
        this.submit();
      }
    },
    handleImageUpload: function handleImageUpload() {
      if (this.$refs.image.files[0].size > 5000000) {
        this.imageTooBig = true;
        return;
      }

      this.imageTooBig = false;
      this.image = this.$refs.image.files[0];
    },
    handleFileUpload: function handleFileUpload() {
      if (this.$refs.file.files[0].size > 25000000) {
        this.fileTooBig = true;
        return;
      }

      this.fileTooBig = false;
      this.file = this.$refs.file.files[0];
    },
    submit: function submit() {
      var _this6 = this;

      var messageArea = document.getElementById("messageArea").value;

      if (messageArea == "" && !this.image && !this.file) {
        return;
      }

      document.getElementById("messageArea").value = "";
      var formData = new FormData();

      if (this.image && document.getElementById("image")) {
        formData.append("image", this.image);
        document.getElementById("image").value = "";
      }

      if (this.file && document.getElementById("file_name")) {
        formData.append("file", this.file);
        var fileName = document.getElementById("file_name").value;
        document.getElementById("file").value = "";

        if (fileName.trim() != "") {
          formData.append("file_name", fileName);
          document.getElementById("file_name").value = "";
        }
      }

      formData.append("text", messageArea);
      formData.append("chatroom_id", this.chatroom.id);
      formData.append("chatroom", this.chatroom);
      axios.post("/chats/" + this.chatroom.id + "/send", formData, {
        headers: {
          "Content-Type": "multipart/form-data"
        }
      }).then(function (response) {
        response.data["sender"] = _this6.user;

        _this6.messages.push(response.data);

        document.getElementById("messageArea").value = "";
        _this6.uploadImage = false;
        _this6.uploadFile = false;

        _this6.$nextTick(function () {
          _this6.imageTooBig = false;
          _this6.fileTooBig = false;
          _this6.$refs.chat.scrollTop = 9999;
        });
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this6.errors = error.response.data.errors;
          console.log(_this6.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/comments/assignment-comments.vue?vue&type=script&lang=js&":
/*!***************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/comments/assignment-comments.vue?vue&type=script&lang=js& ***!
  \***************************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
//
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "assignment"],
  data: function data() {
    return {
      comments: [],
      pageOfItems: [],
      csrf: document.head.querySelector('meta[name="csrf-token"]').content
    };
  },
  mounted: function mounted() {
    var _this = this;

    this.getComments();
    document.getElementById("commentArea").addEventListener("keypress", this.submitOnEnter);
    window.Echo["private"]("commented_assignment." + this.assignment.id + ".group." + this.assignment.group_id).listen("AssignmentCommented", function (e) {
      e.assignment_comment.user = e.user;

      _this.comments.unshift(e.assignment_comment);
    });
    window.Echo["private"]("commented_assignment." + this.assignment.id + ".group." + this.assignment.group_id + ".deleted").listen("AssignmentCommentDeleted", function (e) {
      _this.comments = _this.comments.filter(function (c) {
        return c.id !== e.assignment_comment.id;
      });
    });
  },
  methods: {
    getComments: function getComments() {
      var _this2 = this;

      axios.get("/assignments/" + this.assignment.id + "/comments").then(function (response) {
        _this2.comments = response.data;
      })["catch"](function (error) {
        console.log(error.message);
      });
    },
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    },
    submitOnEnter: function submitOnEnter(assignment) {
      if (assignment.which === 13) {
        assignment.target.form.dispatchEvent(new Event("submit", {
          cancelable: true
        }));
        assignment.preventDefault();
      }
    },
    submit: function submit() {
      var _this3 = this;

      var commentArea = document.getElementById("commentArea").value;
      document.getElementById("commentArea").value = "";
      axios.post("/assignments/" + this.assignment.id + "/comments", {
        assignment_id: this.assignment.id,
        text: commentArea
      }).then(function (response) {
        response.data["user"] = _this3.user;

        _this3.comments.unshift(response.data);
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this3.errors = error.response.data.errors;
          console.log(_this3.errors);
        }

        console.log(error.message);
      });
    },
    deleteComment: function deleteComment(comment) {
      var _this4 = this;

      if (!confirm("Are you sure you want to delete this comment?")) {
        return;
      }

      axios["delete"]("/assignments/" + this.assignment.id + "/comments/" + comment.id + "/destroy").then(function (response) {
        _this4.comments = _this4.comments.filter(function (c) {
          return c.id !== response.data.id;
        });
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/comments/event-comments.vue?vue&type=script&lang=js&":
/*!**********************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/comments/event-comments.vue?vue&type=script&lang=js& ***!
  \**********************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
//
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "event"],
  data: function data() {
    return {
      comments: [],
      pageOfItems: [],
      csrf: document.head.querySelector('meta[name="csrf-token"]').content
    };
  },
  mounted: function mounted() {
    var _this = this;

    this.getComments();
    document.getElementById("commentArea").addEventListener("keypress", this.submitOnEnter);
    window.Echo["private"]("commented_event." + this.event.id + ".group." + this.event.group_id).listen("EventCommented", function (e) {
      e.event_comment.user = e.user;

      _this.comments.unshift(e.event_comment);
    });
    window.Echo["private"]("commented_event." + this.event.id + ".group." + this.event.group_id + ".deleted").listen("EventCommentDeleted", function (e) {
      _this.comments = _this.comments.filter(function (c) {
        return c.id !== e.event_comment.id;
      });
    });
  },
  methods: {
    getComments: function getComments() {
      var _this2 = this;

      axios.get("/events/" + this.event.id + "/comments").then(function (response) {
        _this2.comments = response.data;
      })["catch"](function (error) {
        console.log(error.message);
      });
    },
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    },
    submitOnEnter: function submitOnEnter(event) {
      if (event.which === 13) {
        event.target.form.dispatchEvent(new Event("submit", {
          cancelable: true
        }));
        event.preventDefault();
      }
    },
    submit: function submit() {
      var _this3 = this;

      var commentArea = document.getElementById("commentArea").value;
      document.getElementById("commentArea").value = "";
      axios.post("/events/" + this.event.id + "/comments", {
        event_id: this.event.id,
        text: commentArea
      }).then(function (response) {
        response.data["user"] = _this3.user;

        _this3.comments.unshift(response.data);
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this3.errors = error.response.data.errors;
          console.log(_this3.errors);
        }

        console.log(error.message);
      });
    },
    deleteComment: function deleteComment(comment) {
      var _this4 = this;

      if (!confirm("Are you sure you want to delete this comment?")) {
        return;
      }

      axios["delete"]("/events/" + this.event.id + "/comments/" + comment.id + "/destroy").then(function (response) {
        _this4.comments = _this4.comments.filter(function (c) {
          return c.id !== response.data.id;
        });
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/empty-group-panel.vue?vue&type=script&lang=js&":
/*!****************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/empty-group-panel.vue?vue&type=script&lang=js& ***!
  \****************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user"],
  data: function data() {
    return {
      newMessage: false,
      howMany: 0,
      chatrooms: []
    };
  },
  mounted: function mounted() {
    var _this = this;

    this.checkForNewMessages();
    this.getAllChatrooms();
    window.Echo["private"]("user." + this.user.id + ".readMessages").listen("MessagesRead", function (e) {
      _this.checkForNewMessages();
    });
  },
  methods: {
    getAllChatrooms: function getAllChatrooms() {
      var _this2 = this;

      axios.get("/group-panel/getAllUserChatrooms", {}).then(function (response) {
        _this2.chatrooms = response.data;

        _this2.chatrooms.forEach(function (chatroom) {
          window.Echo["private"]("chatrooms." + chatroom.id).listen("MessageSent", function (e) {
            _this2.checkForNewMessages();
          });
        });
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    },
    checkForNewMessages: function checkForNewMessages() {
      var _this3 = this;

      axios.get("/group-panel/checkForNewMessages", {}).then(function (response) {
        _this3.howMany = response.data[0].count;

        if (_this3.howMany > 0) {
          _this3.newMessage = true;
        } else {
          _this3.newMessage = false;
        }
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this3.errors = error.response.data.errors;
          console.log(_this3.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/events/event-edit.vue?vue&type=script&lang=js&":
/*!****************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/events/event-edit.vue?vue&type=script&lang=js& ***!
  \****************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "event"],
  data: function data() {
    return {
      editedEvent: this.event,
      csrf: document.head.querySelector('meta[name="csrf-token"]').content,
      evEditFields: {},
      evEditErrors: {},
      eventTime: this.event.event_time.slice(0, this.event.event_time.lastIndexOf(" ")) + "T" + this.event.event_time.slice(this.event.event_time.lastIndexOf(" ") + 1),
      eventEnding: this.event.event_ending,
      wrongDatesError: false
    };
  },
  mounted: function mounted() {
    if (this.eventEnding) {
      this.eventEnding = this.event.event_ending.slice(0, this.event.event_ending.lastIndexOf(" ")) + "T" + this.event.event_ending.slice(this.event.event_ending.lastIndexOf(" ") + 1);
    }
  },
  methods: {
    submit: function submit() {
      var _this = this;

      this.editedEvent.event_time = this.eventTime;

      if (this.editedEvent.event_time.length == 16) {
        this.editedEvent.event_time += ":00";
      }

      if (this.eventEnding) {
        this.editedEvent.event_ending = this.eventEnding;

        if (this.editedEvent.event_ending.length == 16) {
          this.editedEvent.event_ending += ":00";
        }
      } else {
        this.editedEvent.event_ending = this.eventEnding;
      }

      if (this.editedEvent.event_ending) {
        if (Date.parse(this.editedEvent.event_time) > Date.parse(this.editedEvent.event_ending)) {
          this.wrongDatesError = true;
          return;
        }
      }

      axios.patch("/events/" + this.event.id + "/edit", this.editedEvent).then(function (response) {
        window.location.href = "/events/" + _this.event.id;
      })["catch"](function (error) {
        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/events/event-show.vue?vue&type=script&lang=js&":
/*!****************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/events/event-show.vue?vue&type=script&lang=js& ***!
  \****************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "going", "event", "host", "host_id"],
  data: function data() {
    return {
      savedUsers: this.event.users,
      pageOfItems: [],
      cannotJoinOldEventError: false,
      cannotLeaveOldEventError: false,
      savedGoing: this.going
    };
  },
  methods: {
    reload: function reload() {
      this.$forceUpdate();
    },
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    },
    checkWithUser: function checkWithUser() {
      if (confirm("Are you sure? This action is irreversible.")) {
        this.destroyEvent();
      }
    },
    joinEvent: function joinEvent() {
      var _this = this;

      if (new Date(this.event.event_time) < Date.now()) {
        this.cannotJoinOldEventError = true;
        return;
      }

      axios.post("/events/" + this.event.id + "/join").then(function (response) {
        _this.savedGoing.push(_this.user.id);

        _this.savedUsers.push(_this.user);

        _this.reload();
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this.errors = error.response.data.errors;
          console.log(_this.errors);
        }

        console.log(error.message);
      });
    },
    leaveEvent: function leaveEvent() {
      var _this2 = this;

      if (new Date(this.event.event_time) < Date.now()) {
        this.cannotLeaveOldEventError = true;
        return;
      }

      axios.post("/events/" + this.event.id + "/leave").then(function (response) {
        _this2.savedUsers = _this2.savedUsers.filter(function (eu) {
          return eu.id != response.data.id;
        });
        _this2.savedGoing = _this2.savedGoing.filter(function (gid) {
          return gid != response.data.id;
        });

        _this2.reload();
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    },
    destroyEvent: function destroyEvent() {
      axios["delete"]("/events/" + this.event.id).then(function (response) {
        window.location.href = "/events";
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/events/events-table.vue?vue&type=script&lang=js&":
/*!******************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/events/events-table.vue?vue&type=script&lang=js& ***!
  \******************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ['user', 'group', 'events'],
  data: function data() {
    return {
      allEvents: this.events,
      savedEvents: this.events,
      pageOfItems: [],
      createNewEvent: false,
      newEventCreated: false,
      filtered: "all",
      select: null,
      searchBar: null,
      today: new Date()
    };
  },
  mounted: function mounted() {
    this.select = document.getElementById("filter");
    this.select.addEventListener("click", this.selected);
    document.getElementById("searchButton").addEventListener("click", this.findEventByName);
    this.searchBar = document.getElementById("searchBar");
    this.searchBar.addEventListener("keypress", this.searchOnEnter);
  },
  methods: {
    closeDate: function closeDate(eventDate) {
      if (eventDate < Date.now()) {
        return null;
      }

      if (eventDate.toLocaleDateString() == this.today.toLocaleDateString()) {
        return true;
      }

      var Difference_In_Time = eventDate.getTime() - this.today.getTime();
      var Difference_In_Days = Math.ceil(Difference_In_Time / (1000 * 3600 * 24));

      if (Difference_In_Days <= 3) {
        return true;
      }

      return false;
    },
    soonToComeDate: function soonToComeDate(eventDate) {
      if (eventDate.getFullYear() != this.today.getFullYear() || eventDate.getMonth() != this.today.getMonth()) {
        return false;
      }

      var Difference_In_Time = eventDate.getTime() - this.today.getTime();
      var Difference_In_Days = Math.ceil(Difference_In_Time / (1000 * 3600 * 24));

      if (Difference_In_Days > 3) {
        return true;
      }

      return false;
    },
    searchOnEnter: function searchOnEnter(event) {
      if (event.which === 13) {
        this.savedEvents = this.allEvents;
        this.findEventByName();
        event.preventDefault();
      }
    },
    findEventByName: function findEventByName() {
      if (this.searchBar.value == "") {
        this.savedEvents = this.allEvents;
        return;
      }

      var findBy = this.searchBar.value;
      this.savedEvents = this.savedEvents.filter(function (e) {
        return e.name.toLowerCase().includes(findBy.toLowerCase());
      });
    },
    selected: function selected() {
      if (this.searchBar.value != "") {
        this.savedEvents = this.allEvents;
        this.searchBar.value = "";
        return;
      }

      if (this.select.value != this.filtered) {
        this.savedEvents = this.allEvents;
        this.searchBar.value = "";

        if (this.select.value === "created") {
          this.filterCreated();
        } else if (this.select.value === "joined") {
          this.filterJoined();
        } else if (this.select.value === "pending") {
          this.filterPending();
        } else if (this.select.value === "noHost") {
          this.filterNoHost();
        }

        this.filtered = this.select.value;
      }
    },
    filterCreated: function filterCreated() {
      var uid = this.user.id;
      this.savedEvents = this.savedEvents.filter(function (e) {
        return e.host_id == uid;
      });
    },
    filterJoined: function filterJoined() {
      var authed = this.user;
      this.savedEvents = this.savedEvents.filter(function (e) {
        return e.users.map(function (u) {
          return u.id;
        }).includes(authed.id);
      });
    },
    filterPending: function filterPending() {
      var authed = this.user;
      var eventUsers = [];
      this.savedEvents = this.savedEvents.filter(function (e) {
        return !e.users.map(function (u) {
          return u.id;
        }).includes(authed.id);
      });
    },
    filterNoHost: function filterNoHost() {
      this.savedEvents = this.savedEvents.filter(function (e) {
        if (!e.host_id) {
          return true;
        }

        return false;
      });
    },
    reload: function reload() {
      this.$forceUpdate();
    },
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    },
    loadOlderEvents: function loadOlderEvents() {
      var _this = this;

      axios.get("/events/" + this.user.active_group + "/loadOlderEvents/" + this.allEvents.length, {}).then(function (response) {
        _this.allEvents = response.data.reverse().concat(_this.allEvents);
        _this.savedEvents = response.data.reverse().concat(_this.savedEvents);
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this.errors = error.response.data.errors;
          console.log(_this.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/events/group-events.vue?vue&type=script&lang=js&":
/*!******************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/events/group-events.vue?vue&type=script&lang=js& ***!
  \******************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "group", "events"],
  data: function data() {
    return {
      csrf: document.head.querySelector('meta[name="csrf-token"]').content,
      groupEventsFields: {},
      groupEventsErrors: {},
      createNewEvent: false,
      newEventCreated: false,
      savedEvents: this.events,
      wrongDatesError: false
    };
  },
  methods: {
    submit: function submit() {
      var _this = this;

      if (this.groupEventsFields.eventEnding) {
        if (Date.parse(this.groupEventsFields.eventTime) > Date.parse(this.groupEventsFields.eventEnding)) {
          this.wrongDatesError = true;
          return;
        }
      }

      axios.post("/events", this.groupEventsFields).then(function (response) {
        _this.groupEventsFields = {};
        _this.createNewEvent = false;
        _this.newEventCreated = true;

        _this.savedEvents.unshift(response.data);
      })["catch"](function (error) {
        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/group-panel.vue?vue&type=script&lang=js&":
/*!**********************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/group-panel.vue?vue&type=script&lang=js& ***!
  \**********************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "group"],
  data: function data() {
    return {
      newMessage: false,
      howMany: 0,
      chatrooms: []
    };
  },
  mounted: function mounted() {
    var _this = this;

    this.checkForNewMessages();
    this.getAllChatrooms();
    window.Echo["private"]("user." + this.user.id + ".readMessages").listen("MessagesRead", function (e) {
      _this.checkForNewMessages();
    });
  },
  methods: {
    getAllChatrooms: function getAllChatrooms() {
      var _this2 = this;

      axios.get("/group-panel/getAllUserChatrooms", {}).then(function (response) {
        _this2.chatrooms = response.data;

        _this2.chatrooms.forEach(function (chatroom) {
          window.Echo["private"]("chatrooms." + chatroom.id).listen("MessageSent", function (e) {
            _this2.checkForNewMessages();
          });
        });
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    },
    checkForNewMessages: function checkForNewMessages() {
      var _this3 = this;

      axios.get("/group-panel/checkForNewMessages", {}).then(function (response) {
        _this3.howMany = response.data[0].count;

        if (_this3.howMany > 0) {
          _this3.newMessage = true;
        } else {
          _this3.newMessage = false;
        }
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this3.errors = error.response.data.errors;
          console.log(_this3.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/groups/group-edit.vue?vue&type=script&lang=js&":
/*!****************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/groups/group-edit.vue?vue&type=script&lang=js& ***!
  \****************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "group", "members"],
  data: function data() {
    return {
      groupEditFields: [],
      avatar: this.group.avatar,
      changedAvatar: false,
      emptyEditSubmitted: false,
      adminChangeFailed: false,
      avatarTooBig: false,
      deletingGroup: false
    };
  },
  methods: {
    handleAvatarUpload: function handleAvatarUpload() {
      if (this.$refs.avatar.files[0].size > 5000000) {
        this.avatarTooBig = true;
        return;
      }

      this.avatarTooBig = false;
      this.avatar = URL.createObjectURL(this.$refs.avatar.files[0]);
      this.changedAvatar = true;
      this.emptyEditSubmitted = false;
    },
    submit: function submit() {
      var _this = this;

      if (!this.groupEditFields.name && !this.changedAvatar && !this.groupEditFields.admin_id) {
        this.emptyEditSubmitted = true;
        return;
      }

      var formData = new FormData();

      if (this.avatar != this.group.avatar) {
        formData.append("avatar", this.$refs.avatar.files[0]);
      }

      if (this.groupEditFields.name) {
        formData.append("name", this.groupEditFields.name);
      } else {
        formData.append("name", this.group.name);
      }

      if (this.groupEditFields.admin_id && this.groupEditFields.admin_id != this.user.id) {
        var checkAdminChange = document.getElementById("checkAdminChange").value;

        if (checkAdminChange == null || checkAdminChange.trim().toLowerCase() != "yes") {
          this.adminChangeFailed = true;
          return;
        }

        formData.append("admin_id", this.groupEditFields.admin_id);
      } else {
        formData.append("admin_id", this.user.id);
      }

      axios.post("/groups/" + this.group.id + "/edit-group", formData, {
        headers: {
          "Content-Type": "multipart/form-data"
        }
      }).then(function (response) {
        window.location.href = "/profile/" + _this.user.username;
      })["catch"](function (error) {
        console.log(error.message);
      });
    },
    deleteGroup: function deleteGroup() {
      var _this2 = this;

      if (!this.deletingGroup) {
        this.deletingGroup = true;
        return;
      }

      if (document.getElementById("checkDeleting").value.trim().toLowerCase() != "yes") {
        return;
      }

      axios["delete"]("/groups/" + this.group.id + "/destroy").then(function (response) {
        window.location.href = "/dashboard";
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/groups/group-statistics.vue?vue&type=script&lang=js&":
/*!**********************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/groups/group-statistics.vue?vue&type=script&lang=js& ***!
  \**********************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "group", "stats", "free_users"],
  data: function data() {
    return {
      newMessage: false,
      howMany: 0,
      chatrooms: [],
      usersInfo: null,
      pageOfItems: [],
      allUsers: this.allUsers = this.free_users.concat(this.stats),
      shownUsers: this.allUsers = this.free_users.concat(this.stats),
      lettersCounter: 0,
      showInfo: false
    };
  },
  mounted: function mounted() {
    document.getElementById("searchButton").addEventListener("click", this.findUserByName);
    this.searchBar = document.getElementById("searchBar");
    this.searchBar.addEventListener("keypress", this.searchOnEnter);
    this.autocomplete(document.getElementById("searchBar"), this.allUsers, this.lettersCounter);
  },
  methods: {
    searchOnEnter: function searchOnEnter(event) {
      if (event.which === 13) {
        this.shownUsers = this.allUsers;
        this.findUserByName();
        event.preventDefault();
      }
    },
    findUserByName: function findUserByName() {
      if (this.searchBar.value == "") {
        this.shownUsers = this.allUsers;
        return;
      }

      var findBy = this.searchBar.value;
      this.shownUsers = this.shownUsers.filter(function (e) {
        return e.name.toLowerCase().includes(findBy.toLowerCase());
      });
    },
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    },
    avatarPath: function avatarPath(oldPath) {
      if (!oldPath || oldPath.substring(oldPath.lastIndexOf("/") + 1) == "default_avatar.png") {
        return "/img/default_avatar.png";
      }

      var newPath = "/storage/users/avatars/".concat(oldPath.substring(oldPath.lastIndexOf("/") + 1));
      return newPath;
    },
    autocomplete: function autocomplete(inp, members, counter) {
      inp.addEventListener("input", function (e) {
        if (counter < 2) {
          counter += 1;
          return false;
        }

        counter = 0;
        var a,
            b,
            i,
            val = this.value;
        closeAllLists();

        if (!val) {
          return false;
        }

        a = document.createElement("DIV");
        a.setAttribute("id", this.id + "autocomplete-list");
        a.setAttribute("class", "autocomplete-items");
        this.parentNode.appendChild(a);

        for (i = 0; i < members.length; i++) {
          if (members[i].name.toLowerCase().includes(val.toLowerCase())) {
            b = document.createElement("DIV");
            b.setAttribute("class", "w-full h-full");
            b.innerHTML += "<a class='block border-none w-full' href='/profile/" + members[i].username + "'>" + members[i].name + "</a>";
            a.appendChild(b);
          }
        }
      });

      function closeAllLists(elmnt) {
        var x = document.getElementsByClassName("autocomplete-items");

        for (var i = 0; i < x.length; i++) {
          if (elmnt != x[i] && elmnt != inp) {
            x[i].parentNode.removeChild(x[i]);
          }
        }
      }

      document.addEventListener("click", function (e) {
        closeAllLists(e.target);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/groups/group-whiteboard.vue?vue&type=script&lang=js&":
/*!**********************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/groups/group-whiteboard.vue?vue&type=script&lang=js& ***!
  \**********************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "group"],
  data: function data() {
    return {
      posts: [],
      newPost: "",
      image: "",
      groupBoard: this.group.board,
      uploadImage: false,
      uploadFile: false,
      editingBoard: false,
      csrf: document.head.querySelector('meta[name="csrf-token"]').content,
      imageTooBig: false,
      fileTooBig: false
    };
  },
  mounted: function mounted() {
    var _this = this;

    this.getPosts();
    document.getElementById("postArea").addEventListener("keypress", this.submitOnEnter);
    window.Echo["private"]("groups." + this.group.id).listen("NewWhiteboardPost", function (e) {
      e.post.sender = e.sender;

      _this.posts.push(e.post);

      _this.scrollPosts();
    });
  },
  methods: {
    editBoard: function editBoard() {
      var _this2 = this;

      axios.patch("/groups/" + this.group.id + "/update-whiteboard", {
        board: document.getElementById("boardArea").value
      }).then(function (response) {
        _this2.groupBoard = response.data;
        _this2.editingBoard = false;
      })["catch"](function (error) {
        console.log(error.message);
      });
    },
    scrollPosts: function scrollPosts() {
      var _this3 = this;

      this.$nextTick(function () {
        _this3.$refs.whiteboard.scrollTop = 9999;
      });
    },
    getPosts: function getPosts() {
      var _this4 = this;

      axios.get("/groups/" + this.group.id + "/get-whiteboard-posts").then(function (response) {
        _this4.posts = response.data.reverse();

        _this4.scrollPosts();
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this4.errors = error.response.data.errors;
          console.log(_this4.errors);
        }

        console.log(error.message);
      });
    },
    loadOlderPosts: function loadOlderPosts() {
      var _this5 = this;

      axios.get("/groups/" + this.group.id + "/loadOlderPosts/" + this.posts.length, {}).then(function (response) {
        _this5.posts = response.data.reverse().concat(_this5.posts);
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this5.errors = error.response.data.errors;
          console.log(_this5.errors);
        }

        console.log(error.message);
      });
    },
    submitOnEnter: function submitOnEnter(event) {
      if (event.which === 13) {
        this.submit();
      }
    },
    handleImageUpload: function handleImageUpload() {
      if (this.$refs.image.files[0].size > 5000000) {
        this.imageTooBig = true;
        return;
      }

      this.imageTooBig = false;
      this.image = this.$refs.image.files[0];
    },
    handleFileUpload: function handleFileUpload() {
      if (this.$refs.file.files[0].size > 25000000) {
        this.fileTooBig = true;
        return;
      }

      this.fileTooBig = false;
      this.file = this.$refs.file.files[0];
    },
    submit: function submit() {
      var _this6 = this;

      var postArea = document.getElementById("postArea").value;

      if (postArea == "" && !this.image && !this.file) {
        return;
      }

      document.getElementById("postArea").value = "";
      var formData = new FormData();

      if (this.image && document.getElementById("image")) {
        formData.append("image", this.image);
        document.getElementById("image").value = "";
      }

      if (this.file && document.getElementById("file_name")) {
        formData.append("file", this.file);
        var fileName = document.getElementById("file_name").value;
        document.getElementById("file").value = "";

        if (fileName.trim() != "") {
          formData.append("file_name", fileName);
          document.getElementById("file_name").value = "";
        }
      }

      formData.append("text", postArea);
      formData.append("group_id", this.group.id);
      axios.post("/groups/" + this.group.id + "/whiteboard-post", formData, {
        headers: {
          "Content-Type": "multipart/form-data"
        }
      }).then(function (response) {
        response.data["user"] = _this6.user;

        _this6.posts.push(response.data);

        document.getElementById("postArea").value = "";
        _this6.uploadImage = false;
        _this6.uploadFile = false;

        _this6.$nextTick(function () {
          _this6.imageTooBig = false;
          _this6.fileTooBig = false;
          _this6.$refs.whiteboard.scrollTop = 9999;
        });
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this6.errors = error.response.data.errors;
          console.log(_this6.errors);
        }

        console.log(error.message);
      });
    },
    deletePost: function deletePost(post) {
      var _this7 = this;

      if (!confirm("Are you sure you want to delete this post?")) {
        return;
      }

      axios["delete"]("/groups/" + this.group.id + "/whiteboard-post-delete/" + post.id, {}).then(function (response) {
        _this7.posts = _this7.posts.filter(function (p) {
          return p != post;
        });
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this7.errors = error.response.data.errors;
          console.log(_this7.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/members-panel.vue?vue&type=script&lang=js&":
/*!************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/members-panel.vue?vue&type=script&lang=js& ***!
  \************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
//
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "members", "group", "admin"],
  data: function data() {
    return {
      visibleMembers: null
    };
  },
  mounted: function mounted() {
    this.visibleMembers = this.members.sort(function () {
      return Math.random() - 0.5;
    });

    if (this.visibleMembers.length > 3) {
      this.visibleMembers = this.visibleMembers.slice(0, 3);
    }

    this.visibleMembers.unshift(this.admin);
  },
  methods: {
    checkWithUserPanel: function checkWithUserPanel() {
      var retVal = prompt("Are you sure you want to leave this group?", 'type "yes" to continue');

      if (retVal.trim().toLowerCase() == "yes") {
        this.excludeUserFromGroupPanel();
      }
    },
    excludeUserFromGroupPanel: function excludeUserFromGroupPanel() {
      axios["delete"]("/groups/" + this.group.id + "/exclude-member/" + this.user.id).then(function (response) {
        window.location.href = "/dashboard";
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/navbar/group-selection.vue?vue&type=script&lang=js&":
/*!*********************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/navbar/group-selection.vue?vue&type=script&lang=js& ***!
  \*********************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
//
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user"],
  data: function data() {
    return {
      select: null,
      lastSelectValue: null,
      groups: null
    };
  },
  mounted: function mounted() {
    this.getUserGroups();
  },
  methods: {
    getUserGroups: function getUserGroups() {
      var _this = this;

      axios.get("/" + this.user.username + "/groups").then(function (response) {
        _this.groups = response.data;

        if (_this.groups.length > 0) {
          _this.select = document.getElementById("groupSelect");
          _this.lastSelectValue = document.getElementById("groupSelect").value;
        }

        if (_this.user.group) {
          _this.groups.unshift(_this.user.group);

          _this.lastSelectValue = _this.user.group.id;
        }
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this.errors = error.response.data.errors;
          console.log(_this.errors);
          console.log(_this.groups);
        }

        console.log(error.message);
      });
    },
    selected: function selected() {
      if (this.lastSelectValue == null || this.select == null) {
        return;
      }

      if (this.lastSelectValue != this.select.value) {
        this.lastSelectValue = this.select.value;
        this.changeActiveGroup(this.lastSelectValue);
      }
    },
    changeActiveGroup: function changeActiveGroup(groupId) {
      var _this2 = this;

      axios.patch("/activate-group/" + groupId).then(function (response) {
        location.reload();
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/navbar/messages-link.vue?vue&type=script&lang=js&":
/*!*******************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/navbar/messages-link.vue?vue&type=script&lang=js& ***!
  \*******************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user"],
  data: function data() {
    return {
      newMessage: false,
      howMany: 0,
      chatrooms: []
    };
  },
  mounted: function mounted() {
    var _this = this;

    this.checkForNewMessages();
    this.getAllChatrooms();
    window.Echo["private"]("user." + this.user.id + ".readMessages").listen("MessagesRead", function (e) {
      _this.checkForNewMessages();
    });
  },
  methods: {
    getAllChatrooms: function getAllChatrooms() {
      var _this2 = this;

      axios.get("/group-panel/getAllUserChatrooms", {}).then(function (response) {
        _this2.chatrooms = response.data;

        _this2.chatrooms.forEach(function (chatroom) {
          window.Echo["private"]("chatrooms." + chatroom.id).listen("MessageSent", function (e) {
            _this2.checkForNewMessages();
          });
        });
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    },
    checkForNewMessages: function checkForNewMessages() {
      var _this3 = this;

      axios.get("/group-panel/checkForNewMessages", {}).then(function (response) {
        _this3.howMany = response.data[0].count;

        if (_this3.howMany > 0) {
          _this3.newMessage = true;
        } else {
          _this3.newMessage = false;
        }
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this3.errors = error.response.data.errors;
          console.log(_this3.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/navbar/navbar.vue?vue&type=script&lang=js&":
/*!************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/navbar/navbar.vue?vue&type=script&lang=js& ***!
  \************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
//
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "route_dashboard"],
  data: function data() {
    return {
      csrf: document.head.querySelector('meta[name="csrf-token"]').content,
      userActiveGroup: null,
      auth: this.user
    };
  },
  mounted: function mounted() {
    this.getUsersActiveGroup();
  },
  methods: {
    getUsersActiveGroup: function getUsersActiveGroup() {
      var _this = this;

      axios.get("/" + this.user.username + "/active-group").then(function (response) {
        _this.auth.group = response.data;
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this.errors = error.response.data.errors;
          console.log(_this.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/notes/note-index.vue?vue&type=script&lang=js&":
/*!***************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/notes/note-index.vue?vue&type=script&lang=js& ***!
  \***************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ['notes'],
  data: function data() {
    return {
      savedNotes: this.notes,
      csrf: document.head.querySelector('meta[name="csrf-token"]').content,
      pageOfItems: [],
      fields: {},
      errors: {}
    };
  },
  methods: {
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    },
    deleteData: function deleteData(note) {
      var _this = this;

      if (!confirm("Are you sure you want to delete this note?")) {
        return;
      }

      axios["delete"]('notes/' + note.id).then(function (response) {
        _this.savedNotes = _this.savedNotes.filter(function (e) {
          return e !== note;
        });
      });
    },
    submit: function submit() {
      var _this2 = this;

      axios.post('notes', this.fields).then(function (response) {
        _this2.fields = {};

        _this2.savedNotes.push(response.data);
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/group-members.vue?vue&type=script&lang=js&":
/*!******************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/group-members.vue?vue&type=script&lang=js& ***!
  \******************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["auth", "users", "group"],
  data: function data() {
    return {
      pageOfItems: [],
      savedUsers: this.users,
      lettersCounter: 0
    };
  },
  mounted: function mounted() {
    this.autocomplete(document.getElementById("memberInput"), this.savedUsers, this.lettersCounter);
  },
  methods: {
    checkWithUser: function checkWithUser(user) {
      if (confirm("Are you sure you want " + user.name + " to leave this group?")) {
        this.excludeUserFromGroup(user);
      }
    },
    excludeUserFromGroup: function excludeUserFromGroup(user) {
      var _this = this;

      axios["delete"]("/groups/" + this.group.id + "/exclude-member/" + user.id).then(function (response) {
        _this.savedUsers = _this.savedUsers.filter(function (u) {
          return u.id !== response.data.id;
        });
      });
    },
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    },
    autocomplete: function autocomplete(inp, members, counter) {
      inp.addEventListener("input", function (e) {
        if (counter < 2) {
          counter += 1;
          return false;
        }

        counter = 0;
        var a,
            b,
            i,
            val = this.value;
        closeAllLists();

        if (!val) {
          return false;
        }

        a = document.createElement("DIV");
        a.setAttribute("id", this.id + "autocomplete-list");
        a.setAttribute("class", "autocomplete-items");
        this.parentNode.appendChild(a);

        for (i = 0; i < members.length; i++) {
          if (members[i].name.toLowerCase().includes(val.toLowerCase())) {
            b = document.createElement("DIV");
            b.setAttribute("class", "w-full h-full");
            b.innerHTML += "<a class='block border-none w-full' href='/profile/" + members[i].username + "'>" + members[i].name + "</a>";
            a.appendChild(b);
          }
        }
      });

      function closeAllLists(elmnt) {
        var x = document.getElementsByClassName("autocomplete-items");

        for (var i = 0; i < x.length; i++) {
          if (elmnt != x[i] && elmnt != inp) {
            x[i].parentNode.removeChild(x[i]);
          }
        }
      }

      document.addEventListener("click", function (e) {
        closeAllLists(e.target);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/invite-members.vue?vue&type=script&lang=js&":
/*!*******************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/invite-members.vue?vue&type=script&lang=js& ***!
  \*******************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user"],
  data: function data() {
    return {
      csrf: document.head.querySelector('meta[name="csrf-token"]').content,
      fields: [{
        id: 0,
        email: ""
      }],
      aiId: 0,
      invitesSent: false
    };
  },
  created: function created() {},
  methods: {
    addField: function addField() {
      this.aiId += 1;
      this.fields.push({
        id: this.aiId,
        email: ""
      });
    },
    removeField: function removeField(fieldId) {
      this.fields = this.fields.filter(function (field) {
        return field.id != fieldId;
      });
    },
    submit: function submit() {
      var _this = this;

      this.fields = this.fields.map(function (field) {
        return field["email"];
      });
      axios.post("/groups/" + this.user.active_group + "/invite-member", this.fields).then(function (response) {
        _this.fields = {};
        _this.invitesSent = true;
      })["catch"](function (error) {
        console.log(error.message);
      });
    } //        <form method="POST" action="{{ route('invite') }}">

  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/user-assignments.vue?vue&type=script&lang=js&":
/*!*********************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/user-assignments.vue?vue&type=script&lang=js& ***!
  \*********************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ['authUser'],
  data: function data() {
    return {
      assignments: [],
      filteredAssignments: [],
      pageOfItems: [],
      filtered: "mine",
      searchBar: null
    };
  },
  mounted: function mounted() {
    this.getUsersAssignments();
    this.select = document.getElementById("filterAssignments");
    this.select.addEventListener("click", this.selected);
    document.getElementById("searchButton").addEventListener("click", this.findAssignmentByName);
    this.searchBar = document.getElementById("searchBar");
    this.searchBar.addEventListener("keypress", this.searchOnEnter);
  },
  methods: {
    searchOnEnter: function searchOnEnter(assignment) {
      if (assignment.which === 13) {
        this.findAssignmentByName();
        assignment.preventDefault();
      }
    },
    findAssignmentByName: function findAssignmentByName() {
      if (this.searchBar.value == "") {
        this.filteredAssignments = this.assignments;
        return;
      }

      var findBy = this.searchBar.value;
      this.filteredAssignments = this.assignments.filter(function (e) {
        return e.name.toLowerCase().includes(findBy.toLowerCase());
      });
    },
    selected: function selected() {
      if (this.searchBar.value != "") {
        this.filteredAssignments = this.assignments;
        this.searchBar.value = "";
        return;
      }

      if (this.select.value != this.filtered) {
        if (this.select.value === "mine") {
          this.getUsersAssignments();
        } else if (this.select.value === "all") {
          this.getAllUsersAssignments();
        }

        this.filtered = this.select.value;
      }
    },
    getUsersAssignments: function getUsersAssignments() {
      var _this = this;

      axios.get(this.authUser.username + '/assignments/mine').then(function (response) {
        _this.assignments = response.data;
        _this.filteredAssignments = _this.assignments;
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this.errors = error.response.data.errors;
          console.log(_this.errors);
        }

        console.log(error.message);
      });
    },
    getAllUsersAssignments: function getAllUsersAssignments() {
      var _this2 = this;

      axios.get(this.authUser.username + '/assignments/all').then(function (response) {
        _this2.assignments = response.data;
        _this2.filteredAssignments = _this2.assignments;
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    },
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/user-edit.vue?vue&type=script&lang=js&":
/*!**************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/user-edit.vue?vue&type=script&lang=js& ***!
  \**************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user", "user_path"],
  data: function data() {
    return {
      shownUser: this.user,
      newPassword: null,
      confirmPassword: null,
      avatar: this.user.avatar,
      banner: this.user.banner,
      passwordsDoNotMatch: false,
      avatarTooBig: false,
      bannerTooBig: false
    };
  },
  methods: {
    handleAvatarUpload: function handleAvatarUpload() {
      if (this.$refs.avatar.files[0].size > 5000000) {
        this.avatarTooBig = true;
        return;
      }

      this.avatarTooBig = false;
      this.avatar = URL.createObjectURL(this.$refs.avatar.files[0]);
    },
    handleBannerUpload: function handleBannerUpload() {
      if (this.$refs.banner.files[0].size > 5000000) {
        this.bannerTooBig = true;
        return;
      }

      this.bannerTooBig = false;
      this.banner = URL.createObjectURL(this.$refs.banner.files[0]);
    },
    submit: function submit() {
      var formData = new FormData();

      if (this.newPassword || this.confirmPassword) {
        if (this.newPassword != this.confirmPassword) {
          this.passwordsDoNotMatch = true;
          return;
        } else {
          this.passwordsDoNotMatch = false;
          formData.append("password", this.newPassword);
          formData.append("password_confirmation", this.confirmPassword);
        }
      }

      if (this.avatar != this.user.avatar) {
        formData.append("avatar", this.$refs.avatar.files[0]);
      }

      if (this.banner != this.user.banner) {
        formData.append("banner", this.$refs.banner.files[0]);
      }

      if (this.shownUser.bio) {
        formData.append("bio", this.shownUser.bio);
      }

      formData.append("name", this.shownUser.name);
      formData.append("username", this.shownUser.username);
      formData.append("email", this.shownUser.email);
      axios.post(this.user_path + "/edit", formData, {
        headers: {
          "Content-Type": "multipart/form-data"
        }
      }).then(function (response) {
        window.location.href = response.data;
      })["catch"](function (error) {
        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/user-events.vue?vue&type=script&lang=js&":
/*!****************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/user-events.vue?vue&type=script&lang=js& ***!
  \****************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ['authUser'],
  data: function data() {
    return {
      events: [],
      filteredEvents: [],
      pageOfItems: [],
      filtered: "joined",
      searchBar: null,
      today: new Date()
    };
  },
  mounted: function mounted() {
    this.getUserJoinedEvents();
    this.select = document.getElementById("filterEvents");
    this.select.addEventListener("click", this.selected);
    document.getElementById("searchButton").addEventListener("click", this.findEventByName);
    this.searchBar = document.getElementById("searchBar");
    this.searchBar.addEventListener("keypress", this.searchOnEnter);
  },
  methods: {
    closeDate: function closeDate(eventDate) {
      if (eventDate.toLocaleDateString() == this.today.toLocaleDateString()) {
        return true;
      }

      var Difference_In_Time = eventDate.getTime() - this.today.getTime();
      var Difference_In_Days = Math.ceil(Difference_In_Time / (1000 * 3600 * 24));

      if (Difference_In_Days <= 3) {
        return true;
      }

      return false;
    },
    soonToComeDate: function soonToComeDate(eventDate) {
      if (eventDate.getFullYear() != this.today.getFullYear() || eventDate.getMonth() != this.today.getMonth()) {
        return false;
      }

      var Difference_In_Time = eventDate.getTime() - this.today.getTime();
      var Difference_In_Days = Math.ceil(Difference_In_Time / (1000 * 3600 * 24));

      if (Difference_In_Days > 3) {
        return true;
      }

      return false;
    },
    searchOnEnter: function searchOnEnter(event) {
      if (event.which === 13) {
        this.findEventByName();
        event.preventDefault();
      }
    },
    findEventByName: function findEventByName() {
      if (this.searchBar.value == "") {
        this.filteredEvents = this.events;
        return;
      }

      var findBy = this.searchBar.value;
      this.filteredEvents = this.events.filter(function (e) {
        return e.name.toLowerCase().includes(findBy.toLowerCase());
      });
    },
    selected: function selected() {
      if (this.searchBar.value != "") {
        this.filteredEvents = this.events;
        this.searchBar.value = "";
        return;
      }

      if (this.select.value != this.filtered) {
        if (this.select.value === "joined") {
          this.getUserJoinedEvents();
        } else if (this.select.value === "all") {
          this.getAllUserEvents();
        }

        this.filtered = this.select.value;
      }
    },
    getUserJoinedEvents: function getUserJoinedEvents() {
      var _this = this;

      axios.get(this.authUser.username + '/events/joined').then(function (response) {
        _this.events = response.data;
        _this.filteredEvents = _this.events;
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this.errors = error.response.data.errors;
          console.log(_this.errors);
        }

        console.log(error.message);
      });
    },
    getAllUserEvents: function getAllUserEvents() {
      var _this2 = this;

      axios.get(this.authUser.username + '/events/all').then(function (response) {
        _this2.events = response.data;
        _this2.filteredEvents = _this2.events;
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.errors = error.response.data.errors;
          console.log(_this2.errors);
        }

        console.log(error.message);
      });
    },
    onChangePage: function onChangePage(pageOfItems) {
      this.pageOfItems = pageOfItems;
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/user-settings.vue?vue&type=script&lang=js&":
/*!******************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/user-settings.vue?vue&type=script&lang=js& ***!
  \******************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
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/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["user"],
  data: function data() {
    return {
      userSettingsFields: {},
      whiteboard_posts: this.user.new_whiteboard_notify == 1,
      assignments: this.user.new_assignment_notify == 1,
      events: this.user.new_event_notify == 1,
      getting_assignment: this.user.got_assignment_notify == 1,
      assignment_mine: this.user.my_assignment_updated_notify == 1,
      event_joined: this.user.joined_event_updated_notify == 1,
      assignment_created_by_me: this.user.created_by_me_assignment_updated_notify == 1,
      event_created_by_me: this.user.created_by_me_event_updated_notify == 1,
      userSettingsErrors: {},
      deletingAccount: false,
      settingsSubmitted: false
    };
  },
  methods: {
    submit: function submit() {
      var _this = this;

      this.userSettingsFields.new_whiteboard_notify = this.whiteboard_posts;
      this.userSettingsFields.new_assignment_notify = this.assignments;
      this.userSettingsFields.new_event_notify = this.events;
      this.userSettingsFields.got_assignment_notify = this.getting_assignment;
      this.userSettingsFields.my_assignment_updated_notify = this.assignment_mine;
      this.userSettingsFields.joined_event_updated_notify = this.event_joined;
      this.userSettingsFields.created_by_me_assignment_updated_notify = this.assignment_created_by_me;
      this.userSettingsFields.created_by_me_event_updated_notify = this.event_created_by_me;
      axios.post("/profile/" + this.user.id + "/settings", this.userSettingsFields).then(function (response) {
        _this.userSettingsFields = {};
        _this.settingsSubmitted = true;
      })["catch"](function (error) {
        console.log(error.message);
      });
    },
    deleteAccount: function deleteAccount() {
      var _this2 = this;

      if (!this.deletingAccount) {
        this.deletingAccount = true;
        return;
      }

      if (document.getElementById("checkDeleting").value.trim().toLowerCase() != "yes") {
        return;
      }

      axios["delete"]("/profile/" + this.user.id + "/delete-profile").then(function (response) {
        window.location.href = "/";
      })["catch"](function (error) {
        if (error.response.status == 422) {
          _this2.userSettingsErrors = error.response.data.errors;
        }

        console.log(error.message);
      });
    }
  }
});

/***/ }),

/***/ "./node_modules/babel-loader/lib/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/user-show.vue?vue&type=script&lang=js&":
/*!**************************************************************************************************************************************************************************!*\
  !*** ./node_modules/babel-loader/lib??ref--4-0!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/user-show.vue?vue&type=script&lang=js& ***!
  \**************************************************************************************************************************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
//
//
//
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//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//
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//
//
//
/* harmony default export */ __webpack_exports__["default"] = ({
  props: ["authUser", "user", "userCreatedAt", "userEditPath"],
  mounted: function mounted() {}
});

/***/ }),

/***/ "./node_modules/css-loader/index.js?!./node_modules/vue-loader/lib/loaders/stylePostLoader.js!./node_modules/postcss-loader/src/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/chatrooms/chatrooms-index.vue?vue&type=style&index=0&lang=css&":
/*!*******************************************************************************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/css-loader??ref--6-1!./node_modules/vue-loader/lib/loaders/stylePostLoader.js!./node_modules/postcss-loader/src??ref--6-2!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/chatrooms/chatrooms-index.vue?vue&type=style&index=0&lang=css& ***!
  \*******************************************************************************************************************************************************************************************************************************************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

exports = module.exports = __webpack_require__(/*! ../../../../node_modules/css-loader/lib/css-base.js */ "./node_modules/css-loader/lib/css-base.js")(false);
// imports


// module
exports.push([module.i, ".autocomplete-items {\n  position: absolute;\n  z-index: 99;\n  top: 100%;\n  left: 0;\n  right: 0;\n  font-size: 14px;\n  border: solid #d1d5db 0.5px;\n  border-radius: 8px;\n  background-color: #d1d5db;\n}\n.autocomplete-items div {\n  padding: 8px;\n  cursor: pointer;\n}\n.autocomplete-items div:hover {\n  background-color: #6366f1;\n  color: white;\n}\n.autocomplete-active {\n  background-color: #6366f1 !important;\n  color: white;\n}\r\n", ""]);

// exports


/***/ }),

/***/ "./node_modules/css-loader/lib/css-base.js":
/*!*************************************************!*\
  !*** ./node_modules/css-loader/lib/css-base.js ***!
  \*************************************************/
/*! no static exports found */
/***/ (function(module, exports) {

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
// css base code, injected by the css-loader
module.exports = function(useSourceMap) {
	var list = [];

	// return the list of modules as css string
	list.toString = function toString() {
		return this.map(function (item) {
			var content = cssWithMappingToString(item, useSourceMap);
			if(item[2]) {
				return "@media " + item[2] + "{" + content + "}";
			} else {
				return content;
			}
		}).join("");
	};

	// import a list of modules into the list
	list.i = function(modules, mediaQuery) {
		if(typeof modules === "string")
			modules = [[null, modules, ""]];
		var alreadyImportedModules = {};
		for(var i = 0; i < this.length; i++) {
			var id = this[i][0];
			if(typeof id === "number")
				alreadyImportedModules[id] = true;
		}
		for(i = 0; i < modules.length; i++) {
			var item = modules[i];
			// skip already imported module
			// this implementation is not 100% perfect for weird media query combinations
			//  when a module is imported multiple times with different media queries.
			//  I hope this will never occur (Hey this way we have smaller bundles)
			if(typeof item[0] !== "number" || !alreadyImportedModules[item[0]]) {
				if(mediaQuery && !item[2]) {
					item[2] = mediaQuery;
				} else if(mediaQuery) {
					item[2] = "(" + item[2] + ") and (" + mediaQuery + ")";
				}
				list.push(item);
			}
		}
	};
	return list;
};

function cssWithMappingToString(item, useSourceMap) {
	var content = item[1] || '';
	var cssMapping = item[3];
	if (!cssMapping) {
		return content;
	}

	if (useSourceMap && typeof btoa === 'function') {
		var sourceMapping = toComment(cssMapping);
		var sourceURLs = cssMapping.sources.map(function (source) {
			return '/*# sourceURL=' + cssMapping.sourceRoot + source + ' */'
		});

		return [content].concat(sourceURLs).concat([sourceMapping]).join('\n');
	}

	return [content].join('\n');
}

// Adapted from convert-source-map (MIT)
function toComment(sourceMap) {
	// eslint-disable-next-line no-undef
	var base64 = btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap))));
	var data = 'sourceMappingURL=data:application/json;charset=utf-8;base64,' + base64;

	return '/*# ' + data + ' */';
}


/***/ }),

/***/ "./node_modules/desandro-matches-selector/matches-selector.js":
/*!********************************************************************!*\
  !*** ./node_modules/desandro-matches-selector/matches-selector.js ***!
  \********************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;/**
 * matchesSelector v2.0.2
 * matchesSelector( element, '.selector' )
 * MIT license
 */

/*jshint browser: true, strict: true, undef: true, unused: true */

( function( window, factory ) {
  /*global define: false, module: false */
  'use strict';
  // universal module definition
  if ( true ) {
    // AMD
    !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
				__WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}

}( window, function factory() {
  'use strict';

  var matchesMethod = ( function() {
    var ElemProto = window.Element.prototype;
    // check for the standard method name first
    if ( ElemProto.matches ) {
      return 'matches';
    }
    // check un-prefixed
    if ( ElemProto.matchesSelector ) {
      return 'matchesSelector';
    }
    // check vendor prefixes
    var prefixes = [ 'webkit', 'moz', 'ms', 'o' ];

    for ( var i=0; i < prefixes.length; i++ ) {
      var prefix = prefixes[i];
      var method = prefix + 'MatchesSelector';
      if ( ElemProto[ method ] ) {
        return method;
      }
    }
  })();

  return function matchesSelector( elem, selector ) {
    return elem[ matchesMethod ]( selector );
  };

}));


/***/ }),

/***/ "./node_modules/ev-emitter/ev-emitter.js":
/*!***********************************************!*\
  !*** ./node_modules/ev-emitter/ev-emitter.js ***!
  \***********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;/**
 * EvEmitter v1.1.0
 * Lil' event emitter
 * MIT License
 */

/* jshint unused: true, undef: true, strict: true */

( function( global, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module, window */
  if ( true ) {
    // AMD - RequireJS
    !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
				__WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}

}( typeof window != 'undefined' ? window : this, function() {

"use strict";

function EvEmitter() {}

var proto = EvEmitter.prototype;

proto.on = function( eventName, listener ) {
  if ( !eventName || !listener ) {
    return;
  }
  // set events hash
  var events = this._events = this._events || {};
  // set listeners array
  var listeners = events[ eventName ] = events[ eventName ] || [];
  // only add once
  if ( listeners.indexOf( listener ) == -1 ) {
    listeners.push( listener );
  }

  return this;
};

proto.once = function( eventName, listener ) {
  if ( !eventName || !listener ) {
    return;
  }
  // add event
  this.on( eventName, listener );
  // set once flag
  // set onceEvents hash
  var onceEvents = this._onceEvents = this._onceEvents || {};
  // set onceListeners object
  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || {};
  // set flag
  onceListeners[ listener ] = true;

  return this;
};

proto.off = function( eventName, listener ) {
  var listeners = this._events && this._events[ eventName ];
  if ( !listeners || !listeners.length ) {
    return;
  }
  var index = listeners.indexOf( listener );
  if ( index != -1 ) {
    listeners.splice( index, 1 );
  }

  return this;
};

proto.emitEvent = function( eventName, args ) {
  var listeners = this._events && this._events[ eventName ];
  if ( !listeners || !listeners.length ) {
    return;
  }
  // copy over to avoid interference if .off() in listener
  listeners = listeners.slice(0);
  args = args || [];
  // once stuff
  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];

  for ( var i=0; i < listeners.length; i++ ) {
    var listener = listeners[i]
    var isOnce = onceListeners && onceListeners[ listener ];
    if ( isOnce ) {
      // remove listener
      // remove before trigger to prevent recursion
      this.off( eventName, listener );
      // unset once flag
      delete onceListeners[ listener ];
    }
    // trigger listener
    listener.apply( this, args );
  }

  return this;
};

proto.allOff = function() {
  delete this._events;
  delete this._onceEvents;
};

return EvEmitter;

}));


/***/ }),

/***/ "./node_modules/fizzy-ui-utils/utils.js":
/*!**********************************************!*\
  !*** ./node_modules/fizzy-ui-utils/utils.js ***!
  \**********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/**
 * Fizzy UI utils v2.0.7
 * MIT license
 */

/*jshint browser: true, undef: true, unused: true, strict: true */

( function( window, factory ) {
  // universal module definition
  /*jshint strict: false */ /*globals define, module, require */

  if ( true ) {
    // AMD
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [
      __webpack_require__(/*! desandro-matches-selector/matches-selector */ "./node_modules/desandro-matches-selector/matches-selector.js")
    ], __WEBPACK_AMD_DEFINE_RESULT__ = (function( matchesSelector ) {
      return factory( window, matchesSelector );
    }).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}

}( window, function factory( window, matchesSelector ) {

'use strict';

var utils = {};

// ----- extend ----- //

// extends objects
utils.extend = function( a, b ) {
  for ( var prop in b ) {
    a[ prop ] = b[ prop ];
  }
  return a;
};

// ----- modulo ----- //

utils.modulo = function( num, div ) {
  return ( ( num % div ) + div ) % div;
};

// ----- makeArray ----- //

var arraySlice = Array.prototype.slice;

// turn element or nodeList into an array
utils.makeArray = function( obj ) {
  if ( Array.isArray( obj ) ) {
    // use object if already an array
    return obj;
  }
  // return empty array if undefined or null. #6
  if ( obj === null || obj === undefined ) {
    return [];
  }

  var isArrayLike = typeof obj == 'object' && typeof obj.length == 'number';
  if ( isArrayLike ) {
    // convert nodeList to array
    return arraySlice.call( obj );
  }

  // array of single index
  return [ obj ];
};

// ----- removeFrom ----- //

utils.removeFrom = function( ary, obj ) {
  var index = ary.indexOf( obj );
  if ( index != -1 ) {
    ary.splice( index, 1 );
  }
};

// ----- getParent ----- //

utils.getParent = function( elem, selector ) {
  while ( elem.parentNode && elem != document.body ) {
    elem = elem.parentNode;
    if ( matchesSelector( elem, selector ) ) {
      return elem;
    }
  }
};

// ----- getQueryElement ----- //

// use element as selector string
utils.getQueryElement = function( elem ) {
  if ( typeof elem == 'string' ) {
    return document.querySelector( elem );
  }
  return elem;
};

// ----- handleEvent ----- //

// enable .ontype to trigger from .addEventListener( elem, 'type' )
utils.handleEvent = function( event ) {
  var method = 'on' + event.type;
  if ( this[ method ] ) {
    this[ method ]( event );
  }
};

// ----- filterFindElements ----- //

utils.filterFindElements = function( elems, selector ) {
  // make array of elems
  elems = utils.makeArray( elems );
  var ffElems = [];

  elems.forEach( function( elem ) {
    // check that elem is an actual element
    if ( !( elem instanceof HTMLElement ) ) {
      return;
    }
    // add elem if no selector
    if ( !selector ) {
      ffElems.push( elem );
      return;
    }
    // filter & find items if we have a selector
    // filter
    if ( matchesSelector( elem, selector ) ) {
      ffElems.push( elem );
    }
    // find children
    var childElems = elem.querySelectorAll( selector );
    // concat childElems to filterFound array
    for ( var i=0; i < childElems.length; i++ ) {
      ffElems.push( childElems[i] );
    }
  });

  return ffElems;
};

// ----- debounceMethod ----- //

utils.debounceMethod = function( _class, methodName, threshold ) {
  threshold = threshold || 100;
  // original method
  var method = _class.prototype[ methodName ];
  var timeoutName = methodName + 'Timeout';

  _class.prototype[ methodName ] = function() {
    var timeout = this[ timeoutName ];
    clearTimeout( timeout );

    var args = arguments;
    var _this = this;
    this[ timeoutName ] = setTimeout( function() {
      method.apply( _this, args );
      delete _this[ timeoutName ];
    }, threshold );
  };
};

// ----- docReady ----- //

utils.docReady = function( callback ) {
  var readyState = document.readyState;
  if ( readyState == 'complete' || readyState == 'interactive' ) {
    // do async to allow for other scripts to run. metafizzy/flickity#441
    setTimeout( callback );
  } else {
    document.addEventListener( 'DOMContentLoaded', callback );
  }
};

// ----- htmlInit ----- //

// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
utils.toDashed = function( str ) {
  return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) {
    return $1 + '-' + $2;
  }).toLowerCase();
};

var console = window.console;
/**
 * allow user to initialize classes via [data-namespace] or .js-namespace class
 * htmlInit( Widget, 'widgetName' )
 * options are parsed from data-namespace-options
 */
utils.htmlInit = function( WidgetClass, namespace ) {
  utils.docReady( function() {
    var dashedNamespace = utils.toDashed( namespace );
    var dataAttr = 'data-' + dashedNamespace;
    var dataAttrElems = document.querySelectorAll( '[' + dataAttr + ']' );
    var jsDashElems = document.querySelectorAll( '.js-' + dashedNamespace );
    var elems = utils.makeArray( dataAttrElems )
      .concat( utils.makeArray( jsDashElems ) );
    var dataOptionsAttr = dataAttr + '-options';
    var jQuery = window.jQuery;

    elems.forEach( function( elem ) {
      var attr = elem.getAttribute( dataAttr ) ||
        elem.getAttribute( dataOptionsAttr );
      var options;
      try {
        options = attr && JSON.parse( attr );
      } catch ( error ) {
        // log error, do not initialize
        if ( console ) {
          console.error( 'Error parsing ' + dataAttr + ' on ' + elem.className +
          ': ' + error );
        }
        return;
      }
      // initialize
      var instance = new WidgetClass( elem, options );
      // make available via $().data('namespace')
      if ( jQuery ) {
        jQuery.data( elem, namespace, instance );
      }
    });

  });
};

// -----  ----- //

return utils;

}));


/***/ }),

/***/ "./node_modules/get-size/get-size.js":
/*!*******************************************!*\
  !*** ./node_modules/get-size/get-size.js ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
 * getSize v2.0.3
 * measure size of elements
 * MIT license
 */

/* jshint browser: true, strict: true, undef: true, unused: true */
/* globals console: false */

( function( window, factory ) {
  /* jshint strict: false */ /* globals define, module */
  if ( true ) {
    // AMD
    !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
				__WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}

})( window, function factory() {
'use strict';

// -------------------------- helpers -------------------------- //

// get a number from a string, not a percentage
function getStyleSize( value ) {
  var num = parseFloat( value );
  // not a percent like '100%', and a number
  var isValid = value.indexOf('%') == -1 && !isNaN( num );
  return isValid && num;
}

function noop() {}

var logError = typeof console == 'undefined' ? noop :
  function( message ) {
    console.error( message );
  };

// -------------------------- measurements -------------------------- //

var measurements = [
  'paddingLeft',
  'paddingRight',
  'paddingTop',
  'paddingBottom',
  'marginLeft',
  'marginRight',
  'marginTop',
  'marginBottom',
  'borderLeftWidth',
  'borderRightWidth',
  'borderTopWidth',
  'borderBottomWidth'
];

var measurementsLength = measurements.length;

function getZeroSize() {
  var size = {
    width: 0,
    height: 0,
    innerWidth: 0,
    innerHeight: 0,
    outerWidth: 0,
    outerHeight: 0
  };
  for ( var i=0; i < measurementsLength; i++ ) {
    var measurement = measurements[i];
    size[ measurement ] = 0;
  }
  return size;
}

// -------------------------- getStyle -------------------------- //

/**
 * getStyle, get style of element, check for Firefox bug
 * https://bugzilla.mozilla.org/show_bug.cgi?id=548397
 */
function getStyle( elem ) {
  var style = getComputedStyle( elem );
  if ( !style ) {
    logError( 'Style returned ' + style +
      '. Are you running this code in a hidden iframe on Firefox? ' +
      'See https://bit.ly/getsizebug1' );
  }
  return style;
}

// -------------------------- setup -------------------------- //

var isSetup = false;

var isBoxSizeOuter;

/**
 * setup
 * check isBoxSizerOuter
 * do on first getSize() rather than on page load for Firefox bug
 */
function setup() {
  // setup once
  if ( isSetup ) {
    return;
  }
  isSetup = true;

  // -------------------------- box sizing -------------------------- //

  /**
   * Chrome & Safari measure the outer-width on style.width on border-box elems
   * IE11 & Firefox<29 measures the inner-width
   */
  var div = document.createElement('div');
  div.style.width = '200px';
  div.style.padding = '1px 2px 3px 4px';
  div.style.borderStyle = 'solid';
  div.style.borderWidth = '1px 2px 3px 4px';
  div.style.boxSizing = 'border-box';

  var body = document.body || document.documentElement;
  body.appendChild( div );
  var style = getStyle( div );
  // round value for browser zoom. desandro/masonry#928
  isBoxSizeOuter = Math.round( getStyleSize( style.width ) ) == 200;
  getSize.isBoxSizeOuter = isBoxSizeOuter;

  body.removeChild( div );
}

// -------------------------- getSize -------------------------- //

function getSize( elem ) {
  setup();

  // use querySeletor if elem is string
  if ( typeof elem == 'string' ) {
    elem = document.querySelector( elem );
  }

  // do not proceed on non-objects
  if ( !elem || typeof elem != 'object' || !elem.nodeType ) {
    return;
  }

  var style = getStyle( elem );

  // if hidden, everything is 0
  if ( style.display == 'none' ) {
    return getZeroSize();
  }

  var size = {};
  size.width = elem.offsetWidth;
  size.height = elem.offsetHeight;

  var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box';

  // get all measurements
  for ( var i=0; i < measurementsLength; i++ ) {
    var measurement = measurements[i];
    var value = style[ measurement ];
    var num = parseFloat( value );
    // any 'auto', 'medium' value will be 0
    size[ measurement ] = !isNaN( num ) ? num : 0;
  }

  var paddingWidth = size.paddingLeft + size.paddingRight;
  var paddingHeight = size.paddingTop + size.paddingBottom;
  var marginWidth = size.marginLeft + size.marginRight;
  var marginHeight = size.marginTop + size.marginBottom;
  var borderWidth = size.borderLeftWidth + size.borderRightWidth;
  var borderHeight = size.borderTopWidth + size.borderBottomWidth;

  var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter;

  // overwrite width and height if we can get it from style
  var styleWidth = getStyleSize( style.width );
  if ( styleWidth !== false ) {
    size.width = styleWidth +
      // add padding and border unless it's already including it
      ( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth );
  }

  var styleHeight = getStyleSize( style.height );
  if ( styleHeight !== false ) {
    size.height = styleHeight +
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});


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/***/ "./node_modules/jw-vue-pagination/lib/JwPagination.js":
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e.setPage(e.pager.totalPages)}}},[e._v(e._s(e.labels.last))])])],2):e._e()};r._withStripped=!0;var a=s(0),n=s.n(a);function i(e,t){var s=Object.keys(e);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(e);t&&(r=r.filter(function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable})),s.push.apply(s,r)}return s}function l(e){for(var t=1;t<arguments.length;t++){var s=null!=arguments[t]?arguments[t]:{};t%2?i(s,!0).forEach(function(t){o(e,t,s[t])}):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(s)):i(s).forEach(function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(s,t))})}return e}function o(e,t,s){return t in e?Object.defineProperty(e,t,{value:s,enumerable:!0,configurable:!0,writable:!0}):e[t]=s,e}var c={first:"First",last:"Last",previous:"Previous",next:"Next"},u={margin:0,padding:0,display:"inline-block"},p={listStyle:"none",display:"inline",textAlign:"center"},g={cursor:"pointer",padding:"6px 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c}},styles:{type:Object},disableDefaultStyles:{type:Boolean,default:!1}},data:function(){return{pager:{},ulStyles:{},liStyles:{},aStyles:{}}},created:function(){if(!this.$listeners.changePage)throw'Missing required event listener: "changePage"';this.disableDefaultStyles||(this.ulStyles=u,this.liStyles=p,this.aStyles=g),this.styles&&(this.ulStyles=l({},this.ulStyles,{},this.styles.ul),this.liStyles=l({},this.liStyles,{},this.styles.li),this.aStyles=l({},this.aStyles,{},this.styles.a)),this.setPage(this.initialPage)},methods:{setPage:function(e){var t=this.items,s=this.pageSize,r=this.maxPages,a=n()(t.length,e,s,r),i=t.slice(a.startIndex,a.endIndex+1);this.pager=a,this.$emit("changePage",i)}},watch:{items:function(){this.setPage(this.initialPage)}}},r,[],!1,null,null,null);f.options.__file="src/JwPagination.vue";t.default=f.exports}]);

/***/ }),

/***/ "./node_modules/laravel-echo/dist/echo.js":
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  !*** ./node_modules/laravel-echo/dist/echo.js ***!
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/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
function _classCallCheck(instance, Constructor) {
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function _defineProperties(target, props) {
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function _extends() {
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function _setPrototypeOf(o, p) {
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function _assertThisInitialized(self) {
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function _possibleConstructorReturn(self, call) {
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function _createSuper(Derived) {
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var Connector = /*#__PURE__*/function () {
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  function Connector(options) {
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    /**
     * Default connector options.
     */
    this._defaultOptions = {
      auth: {
        headers: {}
      },
      authEndpoint: '/broadcasting/auth',
      broadcaster: 'pusher',
      csrfToken: null,
      host: null,
      key: null,
      namespace: 'App.Events'
    };
    this.setOptions(options);
    this.connect();
  }
  /**
   * Merge the custom options with the defaults.
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  _createClass(Connector, [{
    key: "setOptions",
    value: function setOptions(options) {
      this.options = _extends(this._defaultOptions, options);

      if (this.csrfToken()) {
        this.options.auth.headers['X-CSRF-TOKEN'] = this.csrfToken();
      }

      return options;
    }
    /**
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     */

  }, {
    key: "csrfToken",
    value: function csrfToken() {
      var selector;

      if (typeof window !== 'undefined' && window['Laravel'] && window['Laravel'].csrfToken) {
        return window['Laravel'].csrfToken;
      } else if (this.options.csrfToken) {
        return this.options.csrfToken;
      } else if (typeof document !== 'undefined' && typeof document.querySelector === 'function' && (selector = document.querySelector('meta[name="csrf-token"]'))) {
        return selector.getAttribute('content');
      }

      return null;
    }
  }]);

  return Connector;
}();

/**
 * This class represents a basic channel.
 */
var Channel = /*#__PURE__*/function () {
  function Channel() {
    _classCallCheck(this, Channel);
  }

  _createClass(Channel, [{
    key: "listenForWhisper",

    /**
     * Listen for a whisper event on the channel instance.
     */
    value: function listenForWhisper(event, callback) {
      return this.listen('.client-' + event, callback);
    }
    /**
     * Listen for an event on the channel instance.
     */

  }, {
    key: "notification",
    value: function notification(callback) {
      return this.listen('.Illuminate\\Notifications\\Events\\BroadcastNotificationCreated', callback);
    }
    /**
     * Stop listening for a whisper event on the channel instance.
     */

  }, {
    key: "stopListeningForWhisper",
    value: function stopListeningForWhisper(event, callback) {
      return this.stopListening('.client-' + event, callback);
    }
  }]);

  return Channel;
}();

/**
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var EventFormatter = /*#__PURE__*/function () {
  /**
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   */
  function EventFormatter(namespace) {
    _classCallCheck(this, EventFormatter);

    this.setNamespace(namespace);
  }
  /**
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   */


  _createClass(EventFormatter, [{
    key: "format",
    value: function format(event) {
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      } else if (this.namespace) {
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      }

      return event.replace(/\./g, '\\');
    }
    /**
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     */

  }, {
    key: "setNamespace",
    value: function setNamespace(value) {
      this.namespace = value;
    }
  }]);

  return EventFormatter;
}();

/**
 * This class represents a Pusher channel.
 */

var PusherChannel = /*#__PURE__*/function (_Channel) {
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  var _super = _createSuper(PusherChannel);

  /**
   * Create a new class instance.
   */
  function PusherChannel(pusher, name, options) {
    var _this;

    _classCallCheck(this, PusherChannel);

    _this = _super.call(this);
    _this.name = name;
    _this.pusher = pusher;
    _this.options = options;
    _this.eventFormatter = new EventFormatter(_this.options.namespace);

    _this.subscribe();

    return _this;
  }
  /**
   * Subscribe to a Pusher channel.
   */


  _createClass(PusherChannel, [{
    key: "subscribe",
    value: function subscribe() {
      this.subscription = this.pusher.subscribe(this.name);
    }
    /**
     * Unsubscribe from a Pusher channel.
     */

  }, {
    key: "unsubscribe",
    value: function unsubscribe() {
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    }
    /**
     * Listen for an event on the channel instance.
     */

  }, {
    key: "listen",
    value: function listen(event, callback) {
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      return this;
    }
    /**
     * Stop listening for an event on the channel instance.
     */

  }, {
    key: "stopListening",
    value: function stopListening(event, callback) {
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      } else {
        this.subscription.unbind(this.eventFormatter.format(event));
      }

      return this;
    }
    /**
     * Register a callback to be called anytime a subscription succeeds.
     */

  }, {
    key: "subscribed",
    value: function subscribed(callback) {
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      return this;
    }
    /**
     * Register a callback to be called anytime a subscription error occurs.
     */

  }, {
    key: "error",
    value: function error(callback) {
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        callback(status);
      });
      return this;
    }
    /**
     * Bind a channel to an event.
     */

  }, {
    key: "on",
    value: function on(event, callback) {
      this.subscription.bind(event, callback);
      return this;
    }
  }]);

  return PusherChannel;
}(Channel);

/**
 * This class represents a Pusher private channel.
 */

var PusherPrivateChannel = /*#__PURE__*/function (_PusherChannel) {
  _inherits(PusherPrivateChannel, _PusherChannel);

  var _super = _createSuper(PusherPrivateChannel);

  function PusherPrivateChannel() {
    _classCallCheck(this, PusherPrivateChannel);

    return _super.apply(this, arguments);
  }

  _createClass(PusherPrivateChannel, [{
    key: "whisper",

    /**
     * Trigger client event on the channel.
     */
    value: function whisper(eventName, data) {
      this.pusher.channels.channels[this.name].trigger("client-".concat(eventName), data);
      return this;
    }
  }]);

  return PusherPrivateChannel;
}(PusherChannel);

/**
 * This class represents a Pusher private channel.
 */

var PusherEncryptedPrivateChannel = /*#__PURE__*/function (_PusherChannel) {
  _inherits(PusherEncryptedPrivateChannel, _PusherChannel);

  var _super = _createSuper(PusherEncryptedPrivateChannel);

  function PusherEncryptedPrivateChannel() {
    _classCallCheck(this, PusherEncryptedPrivateChannel);

    return _super.apply(this, arguments);
  }

  _createClass(PusherEncryptedPrivateChannel, [{
    key: "whisper",

    /**
     * Trigger client event on the channel.
     */
    value: function whisper(eventName, data) {
      this.pusher.channels.channels[this.name].trigger("client-".concat(eventName), data);
      return this;
    }
  }]);

  return PusherEncryptedPrivateChannel;
}(PusherChannel);

/**
 * This class represents a Pusher presence channel.
 */

var PusherPresenceChannel = /*#__PURE__*/function (_PusherChannel) {
  _inherits(PusherPresenceChannel, _PusherChannel);

  var _super = _createSuper(PusherPresenceChannel);

  function PusherPresenceChannel() {
    _classCallCheck(this, PusherPresenceChannel);

    return _super.apply(this, arguments);
  }

  _createClass(PusherPresenceChannel, [{
    key: "here",

    /**
     * Register a callback to be called anytime the member list changes.
     */
    value: function here(callback) {
      this.on('pusher:subscription_succeeded', function (data) {
        callback(Object.keys(data.members).map(function (k) {
          return data.members[k];
        }));
      });
      return this;
    }
    /**
     * Listen for someone joining the channel.
     */

  }, {
    key: "joining",
    value: function joining(callback) {
      this.on('pusher:member_added', function (member) {
        callback(member.info);
      });
      return this;
    }
    /**
     * Listen for someone leaving the channel.
     */

  }, {
    key: "leaving",
    value: function leaving(callback) {
      this.on('pusher:member_removed', function (member) {
        callback(member.info);
      });
      return this;
    }
    /**
     * Trigger client event on the channel.
     */

  }, {
    key: "whisper",
    value: function whisper(eventName, data) {
      this.pusher.channels.channels[this.name].trigger("client-".concat(eventName), data);
      return this;
    }
  }]);

  return PusherPresenceChannel;
}(PusherChannel);

/**
 * This class represents a Socket.io channel.
 */

var SocketIoChannel = /*#__PURE__*/function (_Channel) {
  _inherits(SocketIoChannel, _Channel);

  var _super = _createSuper(SocketIoChannel);

  /**
   * Create a new class instance.
   */
  function SocketIoChannel(socket, name, options) {
    var _this;

    _classCallCheck(this, SocketIoChannel);

    _this = _super.call(this);
    /**
     * The event callbacks applied to the socket.
     */

    _this.events = {};
    /**
     * User supplied callbacks for events on this channel.
     */

    _this.listeners = {};
    _this.name = name;
    _this.socket = socket;
    _this.options = options;
    _this.eventFormatter = new EventFormatter(_this.options.namespace);

    _this.subscribe();

    return _this;
  }
  /**
   * Subscribe to a Socket.io channel.
   */


  _createClass(SocketIoChannel, [{
    key: "subscribe",
    value: function subscribe() {
      this.socket.emit('subscribe', {
        channel: this.name,
        auth: this.options.auth || {}
      });
    }
    /**
     * Unsubscribe from channel and ubind event callbacks.
     */

  }, {
    key: "unsubscribe",
    value: function unsubscribe() {
      this.unbind();
      this.socket.emit('unsubscribe', {
        channel: this.name,
        auth: this.options.auth || {}
      });
    }
    /**
     * Listen for an event on the channel instance.
     */

  }, {
    key: "listen",
    value: function listen(event, callback) {
      this.on(this.eventFormatter.format(event), callback);
      return this;
    }
    /**
     * Stop listening for an event on the channel instance.
     */

  }, {
    key: "stopListening",
    value: function stopListening(event, callback) {
      this.unbindEvent(this.eventFormatter.format(event), callback);
      return this;
    }
    /**
     * Register a callback to be called anytime a subscription succeeds.
     */

  }, {
    key: "subscribed",
    value: function subscribed(callback) {
      this.on('connect', function (socket) {
        callback(socket);
      });
      return this;
    }
    /**
     * Register a callback to be called anytime an error occurs.
     */

  }, {
    key: "error",
    value: function error(callback) {
      return this;
    }
    /**
     * Bind the channel's socket to an event and store the callback.
     */

  }, {
    key: "on",
    value: function on(event, callback) {
      var _this2 = this;

      this.listeners[event] = this.listeners[event] || [];

      if (!this.events[event]) {
        this.events[event] = function (channel, data) {
          if (_this2.name === channel && _this2.listeners[event]) {
            _this2.listeners[event].forEach(function (cb) {
              return cb(data);
            });
          }
        };

        this.socket.on(event, this.events[event]);
      }

      this.listeners[event].push(callback);
      return this;
    }
    /**
     * Unbind the channel's socket from all stored event callbacks.
     */

  }, {
    key: "unbind",
    value: function unbind() {
      var _this3 = this;

      Object.keys(this.events).forEach(function (event) {
        _this3.unbindEvent(event);
      });
    }
    /**
     * Unbind the listeners for the given event.
     */

  }, {
    key: "unbindEvent",
    value: function unbindEvent(event, callback) {
      this.listeners[event] = this.listeners[event] || [];

      if (callback) {
        this.listeners[event] = this.listeners[event].filter(function (cb) {
          return cb !== callback;
        });
      }

      if (!callback || this.listeners[event].length === 0) {
        if (this.events[event]) {
          this.socket.removeListener(event, this.events[event]);
          delete this.events[event];
        }

        delete this.listeners[event];
      }
    }
  }]);

  return SocketIoChannel;
}(Channel);

/**
 * This class represents a Socket.io private channel.
 */

var SocketIoPrivateChannel = /*#__PURE__*/function (_SocketIoChannel) {
  _inherits(SocketIoPrivateChannel, _SocketIoChannel);

  var _super = _createSuper(SocketIoPrivateChannel);

  function SocketIoPrivateChannel() {
    _classCallCheck(this, SocketIoPrivateChannel);

    return _super.apply(this, arguments);
  }

  _createClass(SocketIoPrivateChannel, [{
    key: "whisper",

    /**
     * Trigger client event on the channel.
     */
    value: function whisper(eventName, data) {
      this.socket.emit('client event', {
        channel: this.name,
        event: "client-".concat(eventName),
        data: data
      });
      return this;
    }
  }]);

  return SocketIoPrivateChannel;
}(SocketIoChannel);

/**
 * This class represents a Socket.io presence channel.
 */

var SocketIoPresenceChannel = /*#__PURE__*/function (_SocketIoPrivateChann) {
  _inherits(SocketIoPresenceChannel, _SocketIoPrivateChann);

  var _super = _createSuper(SocketIoPresenceChannel);

  function SocketIoPresenceChannel() {
    _classCallCheck(this, SocketIoPresenceChannel);

    return _super.apply(this, arguments);
  }

  _createClass(SocketIoPresenceChannel, [{
    key: "here",

    /**
     * Register a callback to be called anytime the member list changes.
     */
    value: function here(callback) {
      this.on('presence:subscribed', function (members) {
        callback(members.map(function (m) {
          return m.user_info;
        }));
      });
      return this;
    }
    /**
     * Listen for someone joining the channel.
     */

  }, {
    key: "joining",
    value: function joining(callback) {
      this.on('presence:joining', function (member) {
        return callback(member.user_info);
      });
      return this;
    }
    /**
     * Listen for someone leaving the channel.
     */

  }, {
    key: "leaving",
    value: function leaving(callback) {
      this.on('presence:leaving', function (member) {
        return callback(member.user_info);
      });
      return this;
    }
  }]);

  return SocketIoPresenceChannel;
}(SocketIoPrivateChannel);

/**
 * This class represents a null channel.
 */

var NullChannel = /*#__PURE__*/function (_Channel) {
  _inherits(NullChannel, _Channel);

  var _super = _createSuper(NullChannel);

  function NullChannel() {
    _classCallCheck(this, NullChannel);

    return _super.apply(this, arguments);
  }

  _createClass(NullChannel, [{
    key: "subscribe",

    /**
     * Subscribe to a channel.
     */
    value: function subscribe() {} //

    /**
     * Unsubscribe from a channel.
     */

  }, {
    key: "unsubscribe",
    value: function unsubscribe() {} //

    /**
     * Listen for an event on the channel instance.
     */

  }, {
    key: "listen",
    value: function listen(event, callback) {
      return this;
    }
    /**
     * Stop listening for an event on the channel instance.
     */

  }, {
    key: "stopListening",
    value: function stopListening(event, callback) {
      return this;
    }
    /**
     * Register a callback to be called anytime a subscription succeeds.
     */

  }, {
    key: "subscribed",
    value: function subscribed(callback) {
      return this;
    }
    /**
     * Register a callback to be called anytime an error occurs.
     */

  }, {
    key: "error",
    value: function error(callback) {
      return this;
    }
    /**
     * Bind a channel to an event.
     */

  }, {
    key: "on",
    value: function on(event, callback) {
      return this;
    }
  }]);

  return NullChannel;
}(Channel);

/**
 * This class represents a null private channel.
 */

var NullPrivateChannel = /*#__PURE__*/function (_NullChannel) {
  _inherits(NullPrivateChannel, _NullChannel);

  var _super = _createSuper(NullPrivateChannel);

  function NullPrivateChannel() {
    _classCallCheck(this, NullPrivateChannel);

    return _super.apply(this, arguments);
  }

  _createClass(NullPrivateChannel, [{
    key: "whisper",

    /**
     * Trigger client event on the channel.
     */
    value: function whisper(eventName, data) {
      return this;
    }
  }]);

  return NullPrivateChannel;
}(NullChannel);

/**
 * This class represents a null presence channel.
 */

var NullPresenceChannel = /*#__PURE__*/function (_NullChannel) {
  _inherits(NullPresenceChannel, _NullChannel);

  var _super = _createSuper(NullPresenceChannel);

  function NullPresenceChannel() {
    _classCallCheck(this, NullPresenceChannel);

    return _super.apply(this, arguments);
  }

  _createClass(NullPresenceChannel, [{
    key: "here",

    /**
     * Register a callback to be called anytime the member list changes.
     */
    value: function here(callback) {
      return this;
    }
    /**
     * Listen for someone joining the channel.
     */

  }, {
    key: "joining",
    value: function joining(callback) {
      return this;
    }
    /**
     * Listen for someone leaving the channel.
     */

  }, {
    key: "leaving",
    value: function leaving(callback) {
      return this;
    }
    /**
     * Trigger client event on the channel.
     */

  }, {
    key: "whisper",
    value: function whisper(eventName, data) {
      return this;
    }
  }]);

  return NullPresenceChannel;
}(NullChannel);

/**
 * This class creates a connector to Pusher.
 */

var PusherConnector = /*#__PURE__*/function (_Connector) {
  _inherits(PusherConnector, _Connector);

  var _super = _createSuper(PusherConnector);

  function PusherConnector() {
    var _this;

    _classCallCheck(this, PusherConnector);

    _this = _super.apply(this, arguments);
    /**
     * All of the subscribed channel names.
     */

    _this.channels = {};
    return _this;
  }
  /**
   * Create a fresh Pusher connection.
   */


  _createClass(PusherConnector, [{
    key: "connect",
    value: function connect() {
      if (typeof this.options.client !== 'undefined') {
        this.pusher = this.options.client;
      } else {
        this.pusher = new Pusher(this.options.key, this.options);
      }
    }
    /**
     * Listen for an event on a channel instance.
     */

  }, {
    key: "listen",
    value: function listen(name, event, callback) {
      return this.channel(name).listen(event, callback);
    }
    /**
     * Get a channel instance by name.
     */

  }, {
    key: "channel",
    value: function channel(name) {
      if (!this.channels[name]) {
        this.channels[name] = new PusherChannel(this.pusher, name, this.options);
      }

      return this.channels[name];
    }
    /**
     * Get a private channel instance by name.
     */

  }, {
    key: "privateChannel",
    value: function privateChannel(name) {
      if (!this.channels['private-' + name]) {
        this.channels['private-' + name] = new PusherPrivateChannel(this.pusher, 'private-' + name, this.options);
      }

      return this.channels['private-' + name];
    }
    /**
     * Get a private encrypted channel instance by name.
     */

  }, {
    key: "encryptedPrivateChannel",
    value: function encryptedPrivateChannel(name) {
      if (!this.channels['private-encrypted-' + name]) {
        this.channels['private-encrypted-' + name] = new PusherEncryptedPrivateChannel(this.pusher, 'private-encrypted-' + name, this.options);
      }

      return this.channels['private-encrypted-' + name];
    }
    /**
     * Get a presence channel instance by name.
     */

  }, {
    key: "presenceChannel",
    value: function presenceChannel(name) {
      if (!this.channels['presence-' + name]) {
        this.channels['presence-' + name] = new PusherPresenceChannel(this.pusher, 'presence-' + name, this.options);
      }

      return this.channels['presence-' + name];
    }
    /**
     * Leave the given channel, as well as its private and presence variants.
     */

  }, {
    key: "leave",
    value: function leave(name) {
      var _this2 = this;

      var channels = [name, 'private-' + name, 'presence-' + name];
      channels.forEach(function (name, index) {
        _this2.leaveChannel(name);
      });
    }
    /**
     * Leave the given channel.
     */

  }, {
    key: "leaveChannel",
    value: function leaveChannel(name) {
      if (this.channels[name]) {
        this.channels[name].unsubscribe();
        delete this.channels[name];
      }
    }
    /**
     * Get the socket ID for the connection.
     */

  }, {
    key: "socketId",
    value: function socketId() {
      return this.pusher.connection.socket_id;
    }
    /**
     * Disconnect Pusher connection.
     */

  }, {
    key: "disconnect",
    value: function disconnect() {
      this.pusher.disconnect();
    }
  }]);

  return PusherConnector;
}(Connector);

/**
 * This class creates a connnector to a Socket.io server.
 */

var SocketIoConnector = /*#__PURE__*/function (_Connector) {
  _inherits(SocketIoConnector, _Connector);

  var _super = _createSuper(SocketIoConnector);

  function SocketIoConnector() {
    var _this;

    _classCallCheck(this, SocketIoConnector);

    _this = _super.apply(this, arguments);
    /**
     * All of the subscribed channel names.
     */

    _this.channels = {};
    return _this;
  }
  /**
   * Create a fresh Socket.io connection.
   */


  _createClass(SocketIoConnector, [{
    key: "connect",
    value: function connect() {
      var _this2 = this;

      var io = this.getSocketIO();
      this.socket = io(this.options.host, this.options);
      this.socket.on('reconnect', function () {
        Object.values(_this2.channels).forEach(function (channel) {
          channel.subscribe();
        });
      });
      return this.socket;
    }
    /**
     * Get socket.io module from global scope or options.
     */

  }, {
    key: "getSocketIO",
    value: function getSocketIO() {
      if (typeof this.options.client !== 'undefined') {
        return this.options.client;
      }

      if (typeof io !== 'undefined') {
        return io;
      }

      throw new Error('Socket.io client not found. Should be globally available or passed via options.client');
    }
    /**
     * Listen for an event on a channel instance.
     */

  }, {
    key: "listen",
    value: function listen(name, event, callback) {
      return this.channel(name).listen(event, callback);
    }
    /**
     * Get a channel instance by name.
     */

  }, {
    key: "channel",
    value: function channel(name) {
      if (!this.channels[name]) {
        this.channels[name] = new SocketIoChannel(this.socket, name, this.options);
      }

      return this.channels[name];
    }
    /**
     * Get a private channel instance by name.
     */

  }, {
    key: "privateChannel",
    value: function privateChannel(name) {
      if (!this.channels['private-' + name]) {
        this.channels['private-' + name] = new SocketIoPrivateChannel(this.socket, 'private-' + name, this.options);
      }

      return this.channels['private-' + name];
    }
    /**
     * Get a presence channel instance by name.
     */

  }, {
    key: "presenceChannel",
    value: function presenceChannel(name) {
      if (!this.channels['presence-' + name]) {
        this.channels['presence-' + name] = new SocketIoPresenceChannel(this.socket, 'presence-' + name, this.options);
      }

      return this.channels['presence-' + name];
    }
    /**
     * Leave the given channel, as well as its private and presence variants.
     */

  }, {
    key: "leave",
    value: function leave(name) {
      var _this3 = this;

      var channels = [name, 'private-' + name, 'presence-' + name];
      channels.forEach(function (name) {
        _this3.leaveChannel(name);
      });
    }
    /**
     * Leave the given channel.
     */

  }, {
    key: "leaveChannel",
    value: function leaveChannel(name) {
      if (this.channels[name]) {
        this.channels[name].unsubscribe();
        delete this.channels[name];
      }
    }
    /**
     * Get the socket ID for the connection.
     */

  }, {
    key: "socketId",
    value: function socketId() {
      return this.socket.id;
    }
    /**
     * Disconnect Socketio connection.
     */

  }, {
    key: "disconnect",
    value: function disconnect() {
      this.socket.disconnect();
    }
  }]);

  return SocketIoConnector;
}(Connector);

/**
 * This class creates a null connector.
 */

var NullConnector = /*#__PURE__*/function (_Connector) {
  _inherits(NullConnector, _Connector);

  var _super = _createSuper(NullConnector);

  function NullConnector() {
    var _this;

    _classCallCheck(this, NullConnector);

    _this = _super.apply(this, arguments);
    /**
     * All of the subscribed channel names.
     */

    _this.channels = {};
    return _this;
  }
  /**
   * Create a fresh connection.
   */


  _createClass(NullConnector, [{
    key: "connect",
    value: function connect() {} //

    /**
     * Listen for an event on a channel instance.
     */

  }, {
    key: "listen",
    value: function listen(name, event, callback) {
      return new NullChannel();
    }
    /**
     * Get a channel instance by name.
     */

  }, {
    key: "channel",
    value: function channel(name) {
      return new NullChannel();
    }
    /**
     * Get a private channel instance by name.
     */

  }, {
    key: "privateChannel",
    value: function privateChannel(name) {
      return new NullPrivateChannel();
    }
    /**
     * Get a presence channel instance by name.
     */

  }, {
    key: "presenceChannel",
    value: function presenceChannel(name) {
      return new NullPresenceChannel();
    }
    /**
     * Leave the given channel, as well as its private and presence variants.
     */

  }, {
    key: "leave",
    value: function leave(name) {} //

    /**
     * Leave the given channel.
     */

  }, {
    key: "leaveChannel",
    value: function leaveChannel(name) {} //

    /**
     * Get the socket ID for the connection.
     */

  }, {
    key: "socketId",
    value: function socketId() {
      return 'fake-socket-id';
    }
    /**
     * Disconnect the connection.
     */

  }, {
    key: "disconnect",
    value: function disconnect() {//
    }
  }]);

  return NullConnector;
}(Connector);

/**
 * This class is the primary API for interacting with broadcasting.
 */

var Echo = /*#__PURE__*/function () {
  /**
   * Create a new class instance.
   */
  function Echo(options) {
    _classCallCheck(this, Echo);

    this.options = options;
    this.connect();

    if (!this.options.withoutInterceptors) {
      this.registerInterceptors();
    }
  }
  /**
   * Get a channel instance by name.
   */


  _createClass(Echo, [{
    key: "channel",
    value: function channel(_channel) {
      return this.connector.channel(_channel);
    }
    /**
     * Create a new connection.
     */

  }, {
    key: "connect",
    value: function connect() {
      if (this.options.broadcaster == 'pusher') {
        this.connector = new PusherConnector(this.options);
      } else if (this.options.broadcaster == 'socket.io') {
        this.connector = new SocketIoConnector(this.options);
      } else if (this.options.broadcaster == 'null') {
        this.connector = new NullConnector(this.options);
      } else if (typeof this.options.broadcaster == 'function') {
        this.connector = new this.options.broadcaster(this.options);
      }
    }
    /**
     * Disconnect from the Echo server.
     */

  }, {
    key: "disconnect",
    value: function disconnect() {
      this.connector.disconnect();
    }
    /**
     * Get a presence channel instance by name.
     */

  }, {
    key: "join",
    value: function join(channel) {
      return this.connector.presenceChannel(channel);
    }
    /**
     * Leave the given channel, as well as its private and presence variants.
     */

  }, {
    key: "leave",
    value: function leave(channel) {
      this.connector.leave(channel);
    }
    /**
     * Leave the given channel.
     */

  }, {
    key: "leaveChannel",
    value: function leaveChannel(channel) {
      this.connector.leaveChannel(channel);
    }
    /**
     * Listen for an event on a channel instance.
     */

  }, {
    key: "listen",
    value: function listen(channel, event, callback) {
      return this.connector.listen(channel, event, callback);
    }
    /**
     * Get a private channel instance by name.
     */

  }, {
    key: "private",
    value: function _private(channel) {
      return this.connector.privateChannel(channel);
    }
    /**
     * Get a private encrypted channel instance by name.
     */

  }, {
    key: "encryptedPrivate",
    value: function encryptedPrivate(channel) {
      return this.connector.encryptedPrivateChannel(channel);
    }
    /**
     * Get the Socket ID for the connection.
     */

  }, {
    key: "socketId",
    value: function socketId() {
      return this.connector.socketId();
    }
    /**
     * Register 3rd party request interceptiors. These are used to automatically
     * send a connections socket id to a Laravel app with a X-Socket-Id header.
     */

  }, {
    key: "registerInterceptors",
    value: function registerInterceptors() {
      if (typeof Vue === 'function' && Vue.http) {
        this.registerVueRequestInterceptor();
      }

      if (typeof axios === 'function') {
        this.registerAxiosRequestInterceptor();
      }

      if (typeof jQuery === 'function') {
        this.registerjQueryAjaxSetup();
      }
    }
    /**
     * Register a Vue HTTP interceptor to add the X-Socket-ID header.
     */

  }, {
    key: "registerVueRequestInterceptor",
    value: function registerVueRequestInterceptor() {
      var _this = this;

      Vue.http.interceptors.push(function (request, next) {
        if (_this.socketId()) {
          request.headers.set('X-Socket-ID', _this.socketId());
        }

        next();
      });
    }
    /**
     * Register an Axios HTTP interceptor to add the X-Socket-ID header.
     */

  }, {
    key: "registerAxiosRequestInterceptor",
    value: function registerAxiosRequestInterceptor() {
      var _this2 = this;

      axios.interceptors.request.use(function (config) {
        if (_this2.socketId()) {
          config.headers['X-Socket-Id'] = _this2.socketId();
        }

        return config;
      });
    }
    /**
     * Register jQuery AjaxPrefilter to add the X-Socket-ID header.
     */

  }, {
    key: "registerjQueryAjaxSetup",
    value: function registerjQueryAjaxSetup() {
      var _this3 = this;

      if (typeof jQuery.ajax != 'undefined') {
        jQuery.ajaxPrefilter(function (options, originalOptions, xhr) {
          if (_this3.socketId()) {
            xhr.setRequestHeader('X-Socket-Id', _this3.socketId());
          }
        });
      }
    }
  }]);

  return Echo;
}();

/* harmony default export */ __webpack_exports__["default"] = (Echo);


/***/ }),

/***/ "./node_modules/lodash/lodash.js":
/*!***************************************!*\
  !*** ./node_modules/lodash/lodash.js ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global, module) {var __WEBPACK_AMD_DEFINE_RESULT__;/**
 * @license
 * Lodash <https://lodash.com/>
 * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
 * Released under MIT license <https://lodash.com/license>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 */
;(function() {

  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
  var undefined;

  /** Used as the semantic version number. */
  var VERSION = '4.17.20';

  /** Used as the size to enable large array optimizations. */
  var LARGE_ARRAY_SIZE = 200;

  /** Error message constants. */
  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
      FUNC_ERROR_TEXT = 'Expected a function';

  /** Used to stand-in for `undefined` hash values. */
  var HASH_UNDEFINED = '__lodash_hash_undefined__';

  /** Used as the maximum memoize cache size. */
  var MAX_MEMOIZE_SIZE = 500;

  /** Used as the internal argument placeholder. */
  var PLACEHOLDER = '__lodash_placeholder__';

  /** Used to compose bitmasks for cloning. */
  var CLONE_DEEP_FLAG = 1,
      CLONE_FLAT_FLAG = 2,
      CLONE_SYMBOLS_FLAG = 4;

  /** Used to compose bitmasks for value comparisons. */
  var COMPARE_PARTIAL_FLAG = 1,
      COMPARE_UNORDERED_FLAG = 2;

  /** Used to compose bitmasks for function metadata. */
  var WRAP_BIND_FLAG = 1,
      WRAP_BIND_KEY_FLAG = 2,
      WRAP_CURRY_BOUND_FLAG = 4,
      WRAP_CURRY_FLAG = 8,
      WRAP_CURRY_RIGHT_FLAG = 16,
      WRAP_PARTIAL_FLAG = 32,
      WRAP_PARTIAL_RIGHT_FLAG = 64,
      WRAP_ARY_FLAG = 128,
      WRAP_REARG_FLAG = 256,
      WRAP_FLIP_FLAG = 512;

  /** Used as default options for `_.truncate`. */
  var DEFAULT_TRUNC_LENGTH = 30,
      DEFAULT_TRUNC_OMISSION = '...';

  /** Used to detect hot functions by number of calls within a span of milliseconds. */
  var HOT_COUNT = 800,
      HOT_SPAN = 16;

  /** Used to indicate the type of lazy iteratees. */
  var LAZY_FILTER_FLAG = 1,
      LAZY_MAP_FLAG = 2,
      LAZY_WHILE_FLAG = 3;

  /** Used as references for various `Number` constants. */
  var INFINITY = 1 / 0,
      MAX_SAFE_INTEGER = 9007199254740991,
      MAX_INTEGER = 1.7976931348623157e+308,
      NAN = 0 / 0;

  /** Used as references for the maximum length and index of an array. */
  var MAX_ARRAY_LENGTH = 4294967295,
      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;

  /** Used to associate wrap methods with their bit flags. */
  var wrapFlags = [
    ['ary', WRAP_ARY_FLAG],
    ['bind', WRAP_BIND_FLAG],
    ['bindKey', WRAP_BIND_KEY_FLAG],
    ['curry', WRAP_CURRY_FLAG],
    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
    ['flip', WRAP_FLIP_FLAG],
    ['partial', WRAP_PARTIAL_FLAG],
    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
    ['rearg', WRAP_REARG_FLAG]
  ];

  /** `Object#toString` result references. */
  var argsTag = '[object Arguments]',
      arrayTag = '[object Array]',
      asyncTag = '[object AsyncFunction]',
      boolTag = '[object Boolean]',
      dateTag = '[object Date]',
      domExcTag = '[object DOMException]',
      errorTag = '[object Error]',
      funcTag = '[object Function]',
      genTag = '[object GeneratorFunction]',
      mapTag = '[object Map]',
      numberTag = '[object Number]',
      nullTag = '[object Null]',
      objectTag = '[object Object]',
      promiseTag = '[object Promise]',
      proxyTag = '[object Proxy]',
      regexpTag = '[object RegExp]',
      setTag = '[object Set]',
      stringTag = '[object String]',
      symbolTag = '[object Symbol]',
      undefinedTag = '[object Undefined]',
      weakMapTag = '[object WeakMap]',
      weakSetTag = '[object WeakSet]';

  var arrayBufferTag = '[object ArrayBuffer]',
      dataViewTag = '[object DataView]',
      float32Tag = '[object Float32Array]',
      float64Tag = '[object Float64Array]',
      int8Tag = '[object Int8Array]',
      int16Tag = '[object Int16Array]',
      int32Tag = '[object Int32Array]',
      uint8Tag = '[object Uint8Array]',
      uint8ClampedTag = '[object Uint8ClampedArray]',
      uint16Tag = '[object Uint16Array]',
      uint32Tag = '[object Uint32Array]';

  /** Used to match empty string literals in compiled template source. */
  var reEmptyStringLeading = /\b__p \+= '';/g,
      reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
      reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;

  /** Used to match HTML entities and HTML characters. */
  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
      reUnescapedHtml = /[&<>"']/g,
      reHasEscapedHtml = RegExp(reEscapedHtml.source),
      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);

  /** Used to match template delimiters. */
  var reEscape = /<%-([\s\S]+?)%>/g,
      reEvaluate = /<%([\s\S]+?)%>/g,
      reInterpolate = /<%=([\s\S]+?)%>/g;

  /** Used to match property names within property paths. */
  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
      reIsPlainProp = /^\w*$/,
      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;

  /**
   * Used to match `RegExp`
   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
   */
  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
      reHasRegExpChar = RegExp(reRegExpChar.source);

  /** Used to match leading and trailing whitespace. */
  var reTrim = /^\s+|\s+$/g,
      reTrimStart = /^\s+/,
      reTrimEnd = /\s+$/;

  /** Used to match wrap detail comments. */
  var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
      reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
      reSplitDetails = /,? & /;

  /** Used to match words composed of alphanumeric characters. */
  var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;

  /** Used to match backslashes in property paths. */
  var reEscapeChar = /\\(\\)?/g;

  /**
   * Used to match
   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
   */
  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;

  /** Used to match `RegExp` flags from their coerced string values. */
  var reFlags = /\w*$/;

  /** Used to detect bad signed hexadecimal string values. */
  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;

  /** Used to detect binary string values. */
  var reIsBinary = /^0b[01]+$/i;

  /** Used to detect host constructors (Safari). */
  var reIsHostCtor = /^\[object .+?Constructor\]$/;

  /** Used to detect octal string values. */
  var reIsOctal = /^0o[0-7]+$/i;

  /** Used to detect unsigned integer values. */
  var reIsUint = /^(?:0|[1-9]\d*)$/;

  /** Used to match Latin Unicode letters (excluding mathematical operators). */
  var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;

  /** Used to ensure capturing order of template delimiters. */
  var reNoMatch = /($^)/;

  /** Used to match unescaped characters in compiled string literals. */
  var reUnescapedString = /['\n\r\u2028\u2029\\]/g;

  /** Used to compose unicode character classes. */
  var rsAstralRange = '\\ud800-\\udfff',
      rsComboMarksRange = '\\u0300-\\u036f',
      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
      rsComboSymbolsRange = '\\u20d0-\\u20ff',
      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
      rsDingbatRange = '\\u2700-\\u27bf',
      rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
      rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
      rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
      rsPunctuationRange = '\\u2000-\\u206f',
      rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
      rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
      rsVarRange = '\\ufe0e\\ufe0f',
      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;

  /** Used to compose unicode capture groups. */
  var rsApos = "['\u2019]",
      rsAstral = '[' + rsAstralRange + ']',
      rsBreak = '[' + rsBreakRange + ']',
      rsCombo = '[' + rsComboRange + ']',
      rsDigits = '\\d+',
      rsDingbat = '[' + rsDingbatRange + ']',
      rsLower = '[' + rsLowerRange + ']',
      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
      rsFitz = '\\ud83c[\\udffb-\\udfff]',
      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
      rsNonAstral = '[^' + rsAstralRange + ']',
      rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
      rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
      rsUpper = '[' + rsUpperRange + ']',
      rsZWJ = '\\u200d';

  /** Used to compose unicode regexes. */
  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
      reOptMod = rsModifier + '?',
      rsOptVar = '[' + rsVarRange + ']?',
      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
      rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
      rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
      rsSeq = rsOptVar + reOptMod + rsOptJoin,
      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';

  /** Used to match apostrophes. */
  var reApos = RegExp(rsApos, 'g');

  /**
   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
   */
  var reComboMark = RegExp(rsCombo, 'g');

  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');

  /** Used to match complex or compound words. */
  var reUnicodeWord = RegExp([
    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
    rsUpper + '+' + rsOptContrUpper,
    rsOrdUpper,
    rsOrdLower,
    rsDigits,
    rsEmoji
  ].join('|'), 'g');

  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');

  /** Used to detect strings that need a more robust regexp to match words. */
  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;

  /** Used to assign default `context` object properties. */
  var contextProps = [
    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
  ];

  /** Used to make template sourceURLs easier to identify. */
  var templateCounter = -1;

  /** Used to identify `toStringTag` values of typed arrays. */
  var typedArrayTags = {};
  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
  typedArrayTags[uint32Tag] = true;
  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
  typedArrayTags[errorTag] = typedArrayTags[funcTag] =
  typedArrayTags[mapTag] = typedArrayTags[numberTag] =
  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
  typedArrayTags[setTag] = typedArrayTags[stringTag] =
  typedArrayTags[weakMapTag] = false;

  /** Used to identify `toStringTag` values supported by `_.clone`. */
  var cloneableTags = {};
  cloneableTags[argsTag] = cloneableTags[arrayTag] =
  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
  cloneableTags[boolTag] = cloneableTags[dateTag] =
  cloneableTags[float32Tag] = cloneableTags[float64Tag] =
  cloneableTags[int8Tag] = cloneableTags[int16Tag] =
  cloneableTags[int32Tag] = cloneableTags[mapTag] =
  cloneableTags[numberTag] = cloneableTags[objectTag] =
  cloneableTags[regexpTag] = cloneableTags[setTag] =
  cloneableTags[stringTag] = cloneableTags[symbolTag] =
  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
  cloneableTags[errorTag] = cloneableTags[funcTag] =
  cloneableTags[weakMapTag] = false;

  /** Used to map Latin Unicode letters to basic Latin letters. */
  var deburredLetters = {
    // Latin-1 Supplement block.
    '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
    '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
    '\xc7': 'C',  '\xe7': 'c',
    '\xd0': 'D',  '\xf0': 'd',
    '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
    '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
    '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
    '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
    '\xd1': 'N',  '\xf1': 'n',
    '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
    '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
    '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
    '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
    '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
    '\xc6': 'Ae', '\xe6': 'ae',
    '\xde': 'Th', '\xfe': 'th',
    '\xdf': 'ss',
    // Latin Extended-A block.
    '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
    '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
    '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
    '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
    '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
    '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
    '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
    '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
    '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
    '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
    '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
    '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
    '\u0134': 'J',  '\u0135': 'j',
    '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
    '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
    '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
    '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
    '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
    '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
    '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
    '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
    '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
    '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
    '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
    '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
    '\u0163': 't',  '\u0165': 't', '\u0167': 't',
    '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
    '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
    '\u0174': 'W',  '\u0175': 'w',
    '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
    '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
    '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
    '\u0132': 'IJ', '\u0133': 'ij',
    '\u0152': 'Oe', '\u0153': 'oe',
    '\u0149': "'n", '\u017f': 's'
  };

  /** Used to map characters to HTML entities. */
  var htmlEscapes = {
    '&': '&amp;',
    '<': '&lt;',
    '>': '&gt;',
    '"': '&quot;',
    "'": '&#39;'
  };

  /** Used to map HTML entities to characters. */
  var htmlUnescapes = {
    '&amp;': '&',
    '&lt;': '<',
    '&gt;': '>',
    '&quot;': '"',
    '&#39;': "'"
  };

  /** Used to escape characters for inclusion in compiled string literals. */
  var stringEscapes = {
    '\\': '\\',
    "'": "'",
    '\n': 'n',
    '\r': 'r',
    '\u2028': 'u2028',
    '\u2029': 'u2029'
  };

  /** Built-in method references without a dependency on `root`. */
  var freeParseFloat = parseFloat,
      freeParseInt = parseInt;

  /** Detect free variable `global` from Node.js. */
  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;

  /** Detect free variable `self`. */
  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

  /** Used as a reference to the global object. */
  var root = freeGlobal || freeSelf || Function('return this')();

  /** Detect free variable `exports`. */
  var freeExports =  true && exports && !exports.nodeType && exports;

  /** Detect free variable `module`. */
  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;

  /** Detect the popular CommonJS extension `module.exports`. */
  var moduleExports = freeModule && freeModule.exports === freeExports;

  /** Detect free variable `process` from Node.js. */
  var freeProcess = moduleExports && freeGlobal.process;

  /** Used to access faster Node.js helpers. */
  var nodeUtil = (function() {
    try {
      // Use `util.types` for Node.js 10+.
      var types = freeModule && freeModule.require && freeModule.require('util').types;

      if (types) {
        return types;
      }

      // Legacy `process.binding('util')` for Node.js < 10.
      return freeProcess && freeProcess.binding && freeProcess.binding('util');
    } catch (e) {}
  }());

  /* Node.js helper references. */
  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
      nodeIsDate = nodeUtil && nodeUtil.isDate,
      nodeIsMap = nodeUtil && nodeUtil.isMap,
      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
      nodeIsSet = nodeUtil && nodeUtil.isSet,
      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;

  /*--------------------------------------------------------------------------*/

  /**
   * A faster alternative to `Function#apply`, this function invokes `func`
   * with the `this` binding of `thisArg` and the arguments of `args`.
   *
   * @private
   * @param {Function} func The function to invoke.
   * @param {*} thisArg The `this` binding of `func`.
   * @param {Array} args The arguments to invoke `func` with.
   * @returns {*} Returns the result of `func`.
   */
  function apply(func, thisArg, args) {
    switch (args.length) {
      case 0: return func.call(thisArg);
      case 1: return func.call(thisArg, args[0]);
      case 2: return func.call(thisArg, args[0], args[1]);
      case 3: return func.call(thisArg, args[0], args[1], args[2]);
    }
    return func.apply(thisArg, args);
  }

  /**
   * A specialized version of `baseAggregator` for arrays.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} setter The function to set `accumulator` values.
   * @param {Function} iteratee The iteratee to transform keys.
   * @param {Object} accumulator The initial aggregated object.
   * @returns {Function} Returns `accumulator`.
   */
  function arrayAggregator(array, setter, iteratee, accumulator) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      var value = array[index];
      setter(accumulator, value, iteratee(value), array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.forEach` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns `array`.
   */
  function arrayEach(array, iteratee) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (iteratee(array[index], index, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * A specialized version of `_.forEachRight` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns `array`.
   */
  function arrayEachRight(array, iteratee) {
    var length = array == null ? 0 : array.length;

    while (length--) {
      if (iteratee(array[length], length, array) === false) {
        break;
      }
    }
    return array;
  }

  /**
   * A specialized version of `_.every` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if all elements pass the predicate check,
   *  else `false`.
   */
  function arrayEvery(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (!predicate(array[index], index, array)) {
        return false;
      }
    }
    return true;
  }

  /**
   * A specialized version of `_.filter` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {Array} Returns the new filtered array.
   */
  function arrayFilter(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length,
        resIndex = 0,
        result = [];

    while (++index < length) {
      var value = array[index];
      if (predicate(value, index, array)) {
        result[resIndex++] = value;
      }
    }
    return result;
  }

  /**
   * A specialized version of `_.includes` for arrays without support for
   * specifying an index to search from.
   *
   * @private
   * @param {Array} [array] The array to inspect.
   * @param {*} target The value to search for.
   * @returns {boolean} Returns `true` if `target` is found, else `false`.
   */
  function arrayIncludes(array, value) {
    var length = array == null ? 0 : array.length;
    return !!length && baseIndexOf(array, value, 0) > -1;
  }

  /**
   * This function is like `arrayIncludes` except that it accepts a comparator.
   *
   * @private
   * @param {Array} [array] The array to inspect.
   * @param {*} target The value to search for.
   * @param {Function} comparator The comparator invoked per element.
   * @returns {boolean} Returns `true` if `target` is found, else `false`.
   */
  function arrayIncludesWith(array, value, comparator) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (comparator(value, array[index])) {
        return true;
      }
    }
    return false;
  }

  /**
   * A specialized version of `_.map` for arrays without support for iteratee
   * shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the new mapped array.
   */
  function arrayMap(array, iteratee) {
    var index = -1,
        length = array == null ? 0 : array.length,
        result = Array(length);

    while (++index < length) {
      result[index] = iteratee(array[index], index, array);
    }
    return result;
  }

  /**
   * Appends the elements of `values` to `array`.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {Array} values The values to append.
   * @returns {Array} Returns `array`.
   */
  function arrayPush(array, values) {
    var index = -1,
        length = values.length,
        offset = array.length;

    while (++index < length) {
      array[offset + index] = values[index];
    }
    return array;
  }

  /**
   * A specialized version of `_.reduce` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} [accumulator] The initial value.
   * @param {boolean} [initAccum] Specify using the first element of `array` as
   *  the initial value.
   * @returns {*} Returns the accumulated value.
   */
  function arrayReduce(array, iteratee, accumulator, initAccum) {
    var index = -1,
        length = array == null ? 0 : array.length;

    if (initAccum && length) {
      accumulator = array[++index];
    }
    while (++index < length) {
      accumulator = iteratee(accumulator, array[index], index, array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.reduceRight` for arrays without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} [accumulator] The initial value.
   * @param {boolean} [initAccum] Specify using the last element of `array` as
   *  the initial value.
   * @returns {*} Returns the accumulated value.
   */
  function arrayReduceRight(array, iteratee, accumulator, initAccum) {
    var length = array == null ? 0 : array.length;
    if (initAccum && length) {
      accumulator = array[--length];
    }
    while (length--) {
      accumulator = iteratee(accumulator, array[length], length, array);
    }
    return accumulator;
  }

  /**
   * A specialized version of `_.some` for arrays without support for iteratee
   * shorthands.
   *
   * @private
   * @param {Array} [array] The array to iterate over.
   * @param {Function} predicate The function invoked per iteration.
   * @returns {boolean} Returns `true` if any element passes the predicate check,
   *  else `false`.
   */
  function arraySome(array, predicate) {
    var index = -1,
        length = array == null ? 0 : array.length;

    while (++index < length) {
      if (predicate(array[index], index, array)) {
        return true;
      }
    }
    return false;
  }

  /**
   * Gets the size of an ASCII `string`.
   *
   * @private
   * @param {string} string The string inspect.
   * @returns {number} Returns the string size.
   */
  var asciiSize = baseProperty('length');

  /**
   * Converts an ASCII `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function asciiToArray(string) {
    return string.split('');
  }

  /**
   * Splits an ASCII `string` into an array of its words.
   *
   * @private
   * @param {string} The string to inspect.
   * @returns {Array} Returns the words of `string`.
   */
  function asciiWords(string) {
    return string.match(reAsciiWord) || [];
  }

  /**
   * The base implementation of methods like `_.findKey` and `_.findLastKey`,
   * without support for iteratee shorthands, which iterates over `collection`
   * using `eachFunc`.
   *
   * @private
   * @param {Array|Object} collection The collection to inspect.
   * @param {Function} predicate The function invoked per iteration.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @returns {*} Returns the found element or its key, else `undefined`.
   */
  function baseFindKey(collection, predicate, eachFunc) {
    var result;
    eachFunc(collection, function(value, key, collection) {
      if (predicate(value, key, collection)) {
        result = key;
        return false;
      }
    });
    return result;
  }

  /**
   * The base implementation of `_.findIndex` and `_.findLastIndex` without
   * support for iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {Function} predicate The function invoked per iteration.
   * @param {number} fromIndex The index to search from.
   * @param {boolean} [fromRight] Specify iterating from right to left.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseFindIndex(array, predicate, fromIndex, fromRight) {
    var length = array.length,
        index = fromIndex + (fromRight ? 1 : -1);

    while ((fromRight ? index-- : ++index < length)) {
      if (predicate(array[index], index, array)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseIndexOf(array, value, fromIndex) {
    return value === value
      ? strictIndexOf(array, value, fromIndex)
      : baseFindIndex(array, baseIsNaN, fromIndex);
  }

  /**
   * This function is like `baseIndexOf` except that it accepts a comparator.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @param {Function} comparator The comparator invoked per element.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function baseIndexOfWith(array, value, fromIndex, comparator) {
    var index = fromIndex - 1,
        length = array.length;

    while (++index < length) {
      if (comparator(array[index], value)) {
        return index;
      }
    }
    return -1;
  }

  /**
   * The base implementation of `_.isNaN` without support for number objects.
   *
   * @private
   * @param {*} value The value to check.
   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
   */
  function baseIsNaN(value) {
    return value !== value;
  }

  /**
   * The base implementation of `_.mean` and `_.meanBy` without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {number} Returns the mean.
   */
  function baseMean(array, iteratee) {
    var length = array == null ? 0 : array.length;
    return length ? (baseSum(array, iteratee) / length) : NAN;
  }

  /**
   * The base implementation of `_.property` without support for deep paths.
   *
   * @private
   * @param {string} key The key of the property to get.
   * @returns {Function} Returns the new accessor function.
   */
  function baseProperty(key) {
    return function(object) {
      return object == null ? undefined : object[key];
    };
  }

  /**
   * The base implementation of `_.propertyOf` without support for deep paths.
   *
   * @private
   * @param {Object} object The object to query.
   * @returns {Function} Returns the new accessor function.
   */
  function basePropertyOf(object) {
    return function(key) {
      return object == null ? undefined : object[key];
    };
  }

  /**
   * The base implementation of `_.reduce` and `_.reduceRight`, without support
   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
   *
   * @private
   * @param {Array|Object} collection The collection to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @param {*} accumulator The initial value.
   * @param {boolean} initAccum Specify using the first or last element of
   *  `collection` as the initial value.
   * @param {Function} eachFunc The function to iterate over `collection`.
   * @returns {*} Returns the accumulated value.
   */
  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
    eachFunc(collection, function(value, index, collection) {
      accumulator = initAccum
        ? (initAccum = false, value)
        : iteratee(accumulator, value, index, collection);
    });
    return accumulator;
  }

  /**
   * The base implementation of `_.sortBy` which uses `comparer` to define the
   * sort order of `array` and replaces criteria objects with their corresponding
   * values.
   *
   * @private
   * @param {Array} array The array to sort.
   * @param {Function} comparer The function to define sort order.
   * @returns {Array} Returns `array`.
   */
  function baseSortBy(array, comparer) {
    var length = array.length;

    array.sort(comparer);
    while (length--) {
      array[length] = array[length].value;
    }
    return array;
  }

  /**
   * The base implementation of `_.sum` and `_.sumBy` without support for
   * iteratee shorthands.
   *
   * @private
   * @param {Array} array The array to iterate over.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {number} Returns the sum.
   */
  function baseSum(array, iteratee) {
    var result,
        index = -1,
        length = array.length;

    while (++index < length) {
      var current = iteratee(array[index]);
      if (current !== undefined) {
        result = result === undefined ? current : (result + current);
      }
    }
    return result;
  }

  /**
   * The base implementation of `_.times` without support for iteratee shorthands
   * or max array length checks.
   *
   * @private
   * @param {number} n The number of times to invoke `iteratee`.
   * @param {Function} iteratee The function invoked per iteration.
   * @returns {Array} Returns the array of results.
   */
  function baseTimes(n, iteratee) {
    var index = -1,
        result = Array(n);

    while (++index < n) {
      result[index] = iteratee(index);
    }
    return result;
  }

  /**
   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
   * of key-value pairs for `object` corresponding to the property names of `props`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} props The property names to get values for.
   * @returns {Object} Returns the key-value pairs.
   */
  function baseToPairs(object, props) {
    return arrayMap(props, function(key) {
      return [key, object[key]];
    });
  }

  /**
   * The base implementation of `_.unary` without support for storing metadata.
   *
   * @private
   * @param {Function} func The function to cap arguments for.
   * @returns {Function} Returns the new capped function.
   */
  function baseUnary(func) {
    return function(value) {
      return func(value);
    };
  }

  /**
   * The base implementation of `_.values` and `_.valuesIn` which creates an
   * array of `object` property values corresponding to the property names
   * of `props`.
   *
   * @private
   * @param {Object} object The object to query.
   * @param {Array} props The property names to get values for.
   * @returns {Object} Returns the array of property values.
   */
  function baseValues(object, props) {
    return arrayMap(props, function(key) {
      return object[key];
    });
  }

  /**
   * Checks if a `cache` value for `key` exists.
   *
   * @private
   * @param {Object} cache The cache to query.
   * @param {string} key The key of the entry to check.
   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
   */
  function cacheHas(cache, key) {
    return cache.has(key);
  }

  /**
   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
   * that is not found in the character symbols.
   *
   * @private
   * @param {Array} strSymbols The string symbols to inspect.
   * @param {Array} chrSymbols The character symbols to find.
   * @returns {number} Returns the index of the first unmatched string symbol.
   */
  function charsStartIndex(strSymbols, chrSymbols) {
    var index = -1,
        length = strSymbols.length;

    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
    return index;
  }

  /**
   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
   * that is not found in the character symbols.
   *
   * @private
   * @param {Array} strSymbols The string symbols to inspect.
   * @param {Array} chrSymbols The character symbols to find.
   * @returns {number} Returns the index of the last unmatched string symbol.
   */
  function charsEndIndex(strSymbols, chrSymbols) {
    var index = strSymbols.length;

    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
    return index;
  }

  /**
   * Gets the number of `placeholder` occurrences in `array`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} placeholder The placeholder to search for.
   * @returns {number} Returns the placeholder count.
   */
  function countHolders(array, placeholder) {
    var length = array.length,
        result = 0;

    while (length--) {
      if (array[length] === placeholder) {
        ++result;
      }
    }
    return result;
  }

  /**
   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
   * letters to basic Latin letters.
   *
   * @private
   * @param {string} letter The matched letter to deburr.
   * @returns {string} Returns the deburred letter.
   */
  var deburrLetter = basePropertyOf(deburredLetters);

  /**
   * Used by `_.escape` to convert characters to HTML entities.
   *
   * @private
   * @param {string} chr The matched character to escape.
   * @returns {string} Returns the escaped character.
   */
  var escapeHtmlChar = basePropertyOf(htmlEscapes);

  /**
   * Used by `_.template` to escape characters for inclusion in compiled string literals.
   *
   * @private
   * @param {string} chr The matched character to escape.
   * @returns {string} Returns the escaped character.
   */
  function escapeStringChar(chr) {
    return '\\' + stringEscapes[chr];
  }

  /**
   * Gets the value at `key` of `object`.
   *
   * @private
   * @param {Object} [object] The object to query.
   * @param {string} key The key of the property to get.
   * @returns {*} Returns the property value.
   */
  function getValue(object, key) {
    return object == null ? undefined : object[key];
  }

  /**
   * Checks if `string` contains Unicode symbols.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {boolean} Returns `true` if a symbol is found, else `false`.
   */
  function hasUnicode(string) {
    return reHasUnicode.test(string);
  }

  /**
   * Checks if `string` contains a word composed of Unicode symbols.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {boolean} Returns `true` if a word is found, else `false`.
   */
  function hasUnicodeWord(string) {
    return reHasUnicodeWord.test(string);
  }

  /**
   * Converts `iterator` to an array.
   *
   * @private
   * @param {Object} iterator The iterator to convert.
   * @returns {Array} Returns the converted array.
   */
  function iteratorToArray(iterator) {
    var data,
        result = [];

    while (!(data = iterator.next()).done) {
      result.push(data.value);
    }
    return result;
  }

  /**
   * Converts `map` to its key-value pairs.
   *
   * @private
   * @param {Object} map The map to convert.
   * @returns {Array} Returns the key-value pairs.
   */
  function mapToArray(map) {
    var index = -1,
        result = Array(map.size);

    map.forEach(function(value, key) {
      result[++index] = [key, value];
    });
    return result;
  }

  /**
   * Creates a unary function that invokes `func` with its argument transformed.
   *
   * @private
   * @param {Function} func The function to wrap.
   * @param {Function} transform The argument transform.
   * @returns {Function} Returns the new function.
   */
  function overArg(func, transform) {
    return function(arg) {
      return func(transform(arg));
    };
  }

  /**
   * Replaces all `placeholder` elements in `array` with an internal placeholder
   * and returns an array of their indexes.
   *
   * @private
   * @param {Array} array The array to modify.
   * @param {*} placeholder The placeholder to replace.
   * @returns {Array} Returns the new array of placeholder indexes.
   */
  function replaceHolders(array, placeholder) {
    var index = -1,
        length = array.length,
        resIndex = 0,
        result = [];

    while (++index < length) {
      var value = array[index];
      if (value === placeholder || value === PLACEHOLDER) {
        array[index] = PLACEHOLDER;
        result[resIndex++] = index;
      }
    }
    return result;
  }

  /**
   * Converts `set` to an array of its values.
   *
   * @private
   * @param {Object} set The set to convert.
   * @returns {Array} Returns the values.
   */
  function setToArray(set) {
    var index = -1,
        result = Array(set.size);

    set.forEach(function(value) {
      result[++index] = value;
    });
    return result;
  }

  /**
   * Converts `set` to its value-value pairs.
   *
   * @private
   * @param {Object} set The set to convert.
   * @returns {Array} Returns the value-value pairs.
   */
  function setToPairs(set) {
    var index = -1,
        result = Array(set.size);

    set.forEach(function(value) {
      result[++index] = [value, value];
    });
    return result;
  }

  /**
   * A specialized version of `_.indexOf` which performs strict equality
   * comparisons of values, i.e. `===`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function strictIndexOf(array, value, fromIndex) {
    var index = fromIndex - 1,
        length = array.length;

    while (++index < length) {
      if (array[index] === value) {
        return index;
      }
    }
    return -1;
  }

  /**
   * A specialized version of `_.lastIndexOf` which performs strict equality
   * comparisons of values, i.e. `===`.
   *
   * @private
   * @param {Array} array The array to inspect.
   * @param {*} value The value to search for.
   * @param {number} fromIndex The index to search from.
   * @returns {number} Returns the index of the matched value, else `-1`.
   */
  function strictLastIndexOf(array, value, fromIndex) {
    var index = fromIndex + 1;
    while (index--) {
      if (array[index] === value) {
        return index;
      }
    }
    return index;
  }

  /**
   * Gets the number of symbols in `string`.
   *
   * @private
   * @param {string} string The string to inspect.
   * @returns {number} Returns the string size.
   */
  function stringSize(string) {
    return hasUnicode(string)
      ? unicodeSize(string)
      : asciiSize(string);
  }

  /**
   * Converts `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function stringToArray(string) {
    return hasUnicode(string)
      ? unicodeToArray(string)
      : asciiToArray(string);
  }

  /**
   * Used by `_.unescape` to convert HTML entities to characters.
   *
   * @private
   * @param {string} chr The matched character to unescape.
   * @returns {string} Returns the unescaped character.
   */
  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);

  /**
   * Gets the size of a Unicode `string`.
   *
   * @private
   * @param {string} string The string inspect.
   * @returns {number} Returns the string size.
   */
  function unicodeSize(string) {
    var result = reUnicode.lastIndex = 0;
    while (reUnicode.test(string)) {
      ++result;
    }
    return result;
  }

  /**
   * Converts a Unicode `string` to an array.
   *
   * @private
   * @param {string} string The string to convert.
   * @returns {Array} Returns the converted array.
   */
  function unicodeToArray(string) {
    return string.match(reUnicode) || [];
  }

  /**
   * Splits a Unicode `string` into an array of its words.
   *
   * @private
   * @param {string} The string to inspect.
   * @returns {Array} Returns the words of `string`.
   */
  function unicodeWords(string) {
    return string.match(reUnicodeWord) || [];
  }

  /*--------------------------------------------------------------------------*/

  /**
   * Create a new pristine `lodash` function using the `context` object.
   *
   * @static
   * @memberOf _
   * @since 1.1.0
   * @category Util
   * @param {Object} [context=root] The context object.
   * @returns {Function} Returns a new `lodash` function.
   * @example
   *
   * _.mixin({ 'foo': _.constant('foo') });
   *
   * var lodash = _.runInContext();
   * lodash.mixin({ 'bar': lodash.constant('bar') });
   *
   * _.isFunction(_.foo);
   * // => true
   * _.isFunction(_.bar);
   * // => false
   *
   * lodash.isFunction(lodash.foo);
   * // => false
   * lodash.isFunction(lodash.bar);
   * // => true
   *
   * // Create a suped-up `defer` in Node.js.
   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
   */
  var runInContext = (function runInContext(context) {
    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));

    /** Built-in constructor references. */
    var Array = context.Array,
        Date = context.Date,
        Error = context.Error,
        Function = context.Function,
        Math = context.Math,
        Object = context.Object,
        RegExp = context.RegExp,
        String = context.String,
        TypeError = context.TypeError;

    /** Used for built-in method references. */
    var arrayProto = Array.prototype,
        funcProto = Function.prototype,
        objectProto = Object.prototype;

    /** Used to detect overreaching core-js shims. */
    var coreJsData = context['__core-js_shared__'];

    /** Used to resolve the decompiled source of functions. */
    var funcToString = funcProto.toString;

    /** Used to check objects for own properties. */
    var hasOwnProperty = objectProto.hasOwnProperty;

    /** Used to generate unique IDs. */
    var idCounter = 0;

    /** Used to detect methods masquerading as native. */
    var maskSrcKey = (function() {
      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
      return uid ? ('Symbol(src)_1.' + uid) : '';
    }());

    /**
     * Used to resolve the
     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
     * of values.
     */
    var nativeObjectToString = objectProto.toString;

    /** Used to infer the `Object` constructor. */
    var objectCtorString = funcToString.call(Object);

    /** Used to restore the original `_` reference in `_.noConflict`. */
    var oldDash = root._;

    /** Used to detect if a method is native. */
    var reIsNative = RegExp('^' +
      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
      .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
    );

    /** Built-in value references. */
    var Buffer = moduleExports ? context.Buffer : undefined,
        Symbol = context.Symbol,
        Uint8Array = context.Uint8Array,
        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
        getPrototype = overArg(Object.getPrototypeOf, Object),
        objectCreate = Object.create,
        propertyIsEnumerable = objectProto.propertyIsEnumerable,
        splice = arrayProto.splice,
        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
        symIterator = Symbol ? Symbol.iterator : undefined,
        symToStringTag = Symbol ? Symbol.toStringTag : undefined;

    var defineProperty = (function() {
      try {
        var func = getNative(Object, 'defineProperty');
        func({}, '', {});
        return func;
      } catch (e) {}
    }());

    /** Mocked built-ins. */
    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
        ctxNow = Date && Date.now !== root.Date.now && Date.now,
        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;

    /* Built-in method references for those with the same name as other `lodash` methods. */
    var nativeCeil = Math.ceil,
        nativeFloor = Math.floor,
        nativeGetSymbols = Object.getOwnPropertySymbols,
        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
        nativeIsFinite = context.isFinite,
        nativeJoin = arrayProto.join,
        nativeKeys = overArg(Object.keys, Object),
        nativeMax = Math.max,
        nativeMin = Math.min,
        nativeNow = Date.now,
        nativeParseInt = context.parseInt,
        nativeRandom = Math.random,
        nativeReverse = arrayProto.reverse;

    /* Built-in method references that are verified to be native. */
    var DataView = getNative(context, 'DataView'),
        Map = getNative(context, 'Map'),
        Promise = getNative(context, 'Promise'),
        Set = getNative(context, 'Set'),
        WeakMap = getNative(context, 'WeakMap'),
        nativeCreate = getNative(Object, 'create');

    /** Used to store function metadata. */
    var metaMap = WeakMap && new WeakMap;

    /** Used to lookup unminified function names. */
    var realNames = {};

    /** Used to detect maps, sets, and weakmaps. */
    var dataViewCtorString = toSource(DataView),
        mapCtorString = toSource(Map),
        promiseCtorString = toSource(Promise),
        setCtorString = toSource(Set),
        weakMapCtorString = toSource(WeakMap);

    /** Used to convert symbols to primitives and strings. */
    var symbolProto = Symbol ? Symbol.prototype : undefined,
        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
        symbolToString = symbolProto ? symbolProto.toString : undefined;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a `lodash` object which wraps `value` to enable implicit method
     * chain sequences. Methods that operate on and return arrays, collections,
     * and functions can be chained together. Methods that retrieve a single value
     * or may return a primitive value will automatically end the chain sequence
     * and return the unwrapped value. Otherwise, the value must be unwrapped
     * with `_#value`.
     *
     * Explicit chain sequences, which must be unwrapped with `_#value`, may be
     * enabled using `_.chain`.
     *
     * The execution of chained methods is lazy, that is, it's deferred until
     * `_#value` is implicitly or explicitly called.
     *
     * Lazy evaluation allows several methods to support shortcut fusion.
     * Shortcut fusion is an optimization to merge iteratee calls; this avoids
     * the creation of intermediate arrays and can greatly reduce the number of
     * iteratee executions. Sections of a chain sequence qualify for shortcut
     * fusion if the section is applied to an array and iteratees accept only
     * one argument. The heuristic for whether a section qualifies for shortcut
     * fusion is subject to change.
     *
     * Chaining is supported in custom builds as long as the `_#value` method is
     * directly or indirectly included in the build.
     *
     * In addition to lodash methods, wrappers have `Array` and `String` methods.
     *
     * The wrapper `Array` methods are:
     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
     *
     * The wrapper `String` methods are:
     * `replace` and `split`
     *
     * The wrapper methods that support shortcut fusion are:
     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
     *
     * The chainable wrapper methods are:
     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
     * `zipObject`, `zipObjectDeep`, and `zipWith`
     *
     * The wrapper methods that are **not** chainable by default are:
     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
     * `upperFirst`, `value`, and `words`
     *
     * @name _
     * @constructor
     * @category Seq
     * @param {*} value The value to wrap in a `lodash` instance.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var wrapped = _([1, 2, 3]);
     *
     * // Returns an unwrapped value.
     * wrapped.reduce(_.add);
     * // => 6
     *
     * // Returns a wrapped value.
     * var squares = wrapped.map(square);
     *
     * _.isArray(squares);
     * // => false
     *
     * _.isArray(squares.value());
     * // => true
     */
    function lodash(value) {
      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
        if (value instanceof LodashWrapper) {
          return value;
        }
        if (hasOwnProperty.call(value, '__wrapped__')) {
          return wrapperClone(value);
        }
      }
      return new LodashWrapper(value);
    }

    /**
     * The base implementation of `_.create` without support for assigning
     * properties to the created object.
     *
     * @private
     * @param {Object} proto The object to inherit from.
     * @returns {Object} Returns the new object.
     */
    var baseCreate = (function() {
      function object() {}
      return function(proto) {
        if (!isObject(proto)) {
          return {};
        }
        if (objectCreate) {
          return objectCreate(proto);
        }
        object.prototype = proto;
        var result = new object;
        object.prototype = undefined;
        return result;
      };
    }());

    /**
     * The function whose prototype chain sequence wrappers inherit from.
     *
     * @private
     */
    function baseLodash() {
      // No operation performed.
    }

    /**
     * The base constructor for creating `lodash` wrapper objects.
     *
     * @private
     * @param {*} value The value to wrap.
     * @param {boolean} [chainAll] Enable explicit method chain sequences.
     */
    function LodashWrapper(value, chainAll) {
      this.__wrapped__ = value;
      this.__actions__ = [];
      this.__chain__ = !!chainAll;
      this.__index__ = 0;
      this.__values__ = undefined;
    }

    /**
     * By default, the template delimiters used by lodash are like those in
     * embedded Ruby (ERB) as well as ES2015 template strings. Change the
     * following template settings to use alternative delimiters.
     *
     * @static
     * @memberOf _
     * @type {Object}
     */
    lodash.templateSettings = {

      /**
       * Used to detect `data` property values to be HTML-escaped.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'escape': reEscape,

      /**
       * Used to detect code to be evaluated.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'evaluate': reEvaluate,

      /**
       * Used to detect `data` property values to inject.
       *
       * @memberOf _.templateSettings
       * @type {RegExp}
       */
      'interpolate': reInterpolate,

      /**
       * Used to reference the data object in the template text.
       *
       * @memberOf _.templateSettings
       * @type {string}
       */
      'variable': '',

      /**
       * Used to import variables into the compiled template.
       *
       * @memberOf _.templateSettings
       * @type {Object}
       */
      'imports': {

        /**
         * A reference to the `lodash` function.
         *
         * @memberOf _.templateSettings.imports
         * @type {Function}
         */
        '_': lodash
      }
    };

    // Ensure wrappers are instances of `baseLodash`.
    lodash.prototype = baseLodash.prototype;
    lodash.prototype.constructor = lodash;

    LodashWrapper.prototype = baseCreate(baseLodash.prototype);
    LodashWrapper.prototype.constructor = LodashWrapper;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
     *
     * @private
     * @constructor
     * @param {*} value The value to wrap.
     */
    function LazyWrapper(value) {
      this.__wrapped__ = value;
      this.__actions__ = [];
      this.__dir__ = 1;
      this.__filtered__ = false;
      this.__iteratees__ = [];
      this.__takeCount__ = MAX_ARRAY_LENGTH;
      this.__views__ = [];
    }

    /**
     * Creates a clone of the lazy wrapper object.
     *
     * @private
     * @name clone
     * @memberOf LazyWrapper
     * @returns {Object} Returns the cloned `LazyWrapper` object.
     */
    function lazyClone() {
      var result = new LazyWrapper(this.__wrapped__);
      result.__actions__ = copyArray(this.__actions__);
      result.__dir__ = this.__dir__;
      result.__filtered__ = this.__filtered__;
      result.__iteratees__ = copyArray(this.__iteratees__);
      result.__takeCount__ = this.__takeCount__;
      result.__views__ = copyArray(this.__views__);
      return result;
    }

    /**
     * Reverses the direction of lazy iteration.
     *
     * @private
     * @name reverse
     * @memberOf LazyWrapper
     * @returns {Object} Returns the new reversed `LazyWrapper` object.
     */
    function lazyReverse() {
      if (this.__filtered__) {
        var result = new LazyWrapper(this);
        result.__dir__ = -1;
        result.__filtered__ = true;
      } else {
        result = this.clone();
        result.__dir__ *= -1;
      }
      return result;
    }

    /**
     * Extracts the unwrapped value from its lazy wrapper.
     *
     * @private
     * @name value
     * @memberOf LazyWrapper
     * @returns {*} Returns the unwrapped value.
     */
    function lazyValue() {
      var array = this.__wrapped__.value(),
          dir = this.__dir__,
          isArr = isArray(array),
          isRight = dir < 0,
          arrLength = isArr ? array.length : 0,
          view = getView(0, arrLength, this.__views__),
          start = view.start,
          end = view.end,
          length = end - start,
          index = isRight ? end : (start - 1),
          iteratees = this.__iteratees__,
          iterLength = iteratees.length,
          resIndex = 0,
          takeCount = nativeMin(length, this.__takeCount__);

      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
        return baseWrapperValue(array, this.__actions__);
      }
      var result = [];

      outer:
      while (length-- && resIndex < takeCount) {
        index += dir;

        var iterIndex = -1,
            value = array[index];

        while (++iterIndex < iterLength) {
          var data = iteratees[iterIndex],
              iteratee = data.iteratee,
              type = data.type,
              computed = iteratee(value);

          if (type == LAZY_MAP_FLAG) {
            value = computed;
          } else if (!computed) {
            if (type == LAZY_FILTER_FLAG) {
              continue outer;
            } else {
              break outer;
            }
          }
        }
        result[resIndex++] = value;
      }
      return result;
    }

    // Ensure `LazyWrapper` is an instance of `baseLodash`.
    LazyWrapper.prototype = baseCreate(baseLodash.prototype);
    LazyWrapper.prototype.constructor = LazyWrapper;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a hash object.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function Hash(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the hash.
     *
     * @private
     * @name clear
     * @memberOf Hash
     */
    function hashClear() {
      this.__data__ = nativeCreate ? nativeCreate(null) : {};
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the hash.
     *
     * @private
     * @name delete
     * @memberOf Hash
     * @param {Object} hash The hash to modify.
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function hashDelete(key) {
      var result = this.has(key) && delete this.__data__[key];
      this.size -= result ? 1 : 0;
      return result;
    }

    /**
     * Gets the hash value for `key`.
     *
     * @private
     * @name get
     * @memberOf Hash
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function hashGet(key) {
      var data = this.__data__;
      if (nativeCreate) {
        var result = data[key];
        return result === HASH_UNDEFINED ? undefined : result;
      }
      return hasOwnProperty.call(data, key) ? data[key] : undefined;
    }

    /**
     * Checks if a hash value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf Hash
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function hashHas(key) {
      var data = this.__data__;
      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
    }

    /**
     * Sets the hash `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf Hash
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the hash instance.
     */
    function hashSet(key, value) {
      var data = this.__data__;
      this.size += this.has(key) ? 0 : 1;
      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
      return this;
    }

    // Add methods to `Hash`.
    Hash.prototype.clear = hashClear;
    Hash.prototype['delete'] = hashDelete;
    Hash.prototype.get = hashGet;
    Hash.prototype.has = hashHas;
    Hash.prototype.set = hashSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates an list cache object.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function ListCache(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the list cache.
     *
     * @private
     * @name clear
     * @memberOf ListCache
     */
    function listCacheClear() {
      this.__data__ = [];
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the list cache.
     *
     * @private
     * @name delete
     * @memberOf ListCache
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function listCacheDelete(key) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      if (index < 0) {
        return false;
      }
      var lastIndex = data.length - 1;
      if (index == lastIndex) {
        data.pop();
      } else {
        splice.call(data, index, 1);
      }
      --this.size;
      return true;
    }

    /**
     * Gets the list cache value for `key`.
     *
     * @private
     * @name get
     * @memberOf ListCache
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function listCacheGet(key) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      return index < 0 ? undefined : data[index][1];
    }

    /**
     * Checks if a list cache value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf ListCache
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function listCacheHas(key) {
      return assocIndexOf(this.__data__, key) > -1;
    }

    /**
     * Sets the list cache `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf ListCache
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the list cache instance.
     */
    function listCacheSet(key, value) {
      var data = this.__data__,
          index = assocIndexOf(data, key);

      if (index < 0) {
        ++this.size;
        data.push([key, value]);
      } else {
        data[index][1] = value;
      }
      return this;
    }

    // Add methods to `ListCache`.
    ListCache.prototype.clear = listCacheClear;
    ListCache.prototype['delete'] = listCacheDelete;
    ListCache.prototype.get = listCacheGet;
    ListCache.prototype.has = listCacheHas;
    ListCache.prototype.set = listCacheSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a map cache object to store key-value pairs.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function MapCache(entries) {
      var index = -1,
          length = entries == null ? 0 : entries.length;

      this.clear();
      while (++index < length) {
        var entry = entries[index];
        this.set(entry[0], entry[1]);
      }
    }

    /**
     * Removes all key-value entries from the map.
     *
     * @private
     * @name clear
     * @memberOf MapCache
     */
    function mapCacheClear() {
      this.size = 0;
      this.__data__ = {
        'hash': new Hash,
        'map': new (Map || ListCache),
        'string': new Hash
      };
    }

    /**
     * Removes `key` and its value from the map.
     *
     * @private
     * @name delete
     * @memberOf MapCache
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function mapCacheDelete(key) {
      var result = getMapData(this, key)['delete'](key);
      this.size -= result ? 1 : 0;
      return result;
    }

    /**
     * Gets the map value for `key`.
     *
     * @private
     * @name get
     * @memberOf MapCache
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function mapCacheGet(key) {
      return getMapData(this, key).get(key);
    }

    /**
     * Checks if a map value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf MapCache
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function mapCacheHas(key) {
      return getMapData(this, key).has(key);
    }

    /**
     * Sets the map `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf MapCache
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the map cache instance.
     */
    function mapCacheSet(key, value) {
      var data = getMapData(this, key),
          size = data.size;

      data.set(key, value);
      this.size += data.size == size ? 0 : 1;
      return this;
    }

    // Add methods to `MapCache`.
    MapCache.prototype.clear = mapCacheClear;
    MapCache.prototype['delete'] = mapCacheDelete;
    MapCache.prototype.get = mapCacheGet;
    MapCache.prototype.has = mapCacheHas;
    MapCache.prototype.set = mapCacheSet;

    /*------------------------------------------------------------------------*/

    /**
     *
     * Creates an array cache object to store unique values.
     *
     * @private
     * @constructor
     * @param {Array} [values] The values to cache.
     */
    function SetCache(values) {
      var index = -1,
          length = values == null ? 0 : values.length;

      this.__data__ = new MapCache;
      while (++index < length) {
        this.add(values[index]);
      }
    }

    /**
     * Adds `value` to the array cache.
     *
     * @private
     * @name add
     * @memberOf SetCache
     * @alias push
     * @param {*} value The value to cache.
     * @returns {Object} Returns the cache instance.
     */
    function setCacheAdd(value) {
      this.__data__.set(value, HASH_UNDEFINED);
      return this;
    }

    /**
     * Checks if `value` is in the array cache.
     *
     * @private
     * @name has
     * @memberOf SetCache
     * @param {*} value The value to search for.
     * @returns {number} Returns `true` if `value` is found, else `false`.
     */
    function setCacheHas(value) {
      return this.__data__.has(value);
    }

    // Add methods to `SetCache`.
    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
    SetCache.prototype.has = setCacheHas;

    /*------------------------------------------------------------------------*/

    /**
     * Creates a stack cache object to store key-value pairs.
     *
     * @private
     * @constructor
     * @param {Array} [entries] The key-value pairs to cache.
     */
    function Stack(entries) {
      var data = this.__data__ = new ListCache(entries);
      this.size = data.size;
    }

    /**
     * Removes all key-value entries from the stack.
     *
     * @private
     * @name clear
     * @memberOf Stack
     */
    function stackClear() {
      this.__data__ = new ListCache;
      this.size = 0;
    }

    /**
     * Removes `key` and its value from the stack.
     *
     * @private
     * @name delete
     * @memberOf Stack
     * @param {string} key The key of the value to remove.
     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
     */
    function stackDelete(key) {
      var data = this.__data__,
          result = data['delete'](key);

      this.size = data.size;
      return result;
    }

    /**
     * Gets the stack value for `key`.
     *
     * @private
     * @name get
     * @memberOf Stack
     * @param {string} key The key of the value to get.
     * @returns {*} Returns the entry value.
     */
    function stackGet(key) {
      return this.__data__.get(key);
    }

    /**
     * Checks if a stack value for `key` exists.
     *
     * @private
     * @name has
     * @memberOf Stack
     * @param {string} key The key of the entry to check.
     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
     */
    function stackHas(key) {
      return this.__data__.has(key);
    }

    /**
     * Sets the stack `key` to `value`.
     *
     * @private
     * @name set
     * @memberOf Stack
     * @param {string} key The key of the value to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns the stack cache instance.
     */
    function stackSet(key, value) {
      var data = this.__data__;
      if (data instanceof ListCache) {
        var pairs = data.__data__;
        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
          pairs.push([key, value]);
          this.size = ++data.size;
          return this;
        }
        data = this.__data__ = new MapCache(pairs);
      }
      data.set(key, value);
      this.size = data.size;
      return this;
    }

    // Add methods to `Stack`.
    Stack.prototype.clear = stackClear;
    Stack.prototype['delete'] = stackDelete;
    Stack.prototype.get = stackGet;
    Stack.prototype.has = stackHas;
    Stack.prototype.set = stackSet;

    /*------------------------------------------------------------------------*/

    /**
     * Creates an array of the enumerable property names of the array-like `value`.
     *
     * @private
     * @param {*} value The value to query.
     * @param {boolean} inherited Specify returning inherited property names.
     * @returns {Array} Returns the array of property names.
     */
    function arrayLikeKeys(value, inherited) {
      var isArr = isArray(value),
          isArg = !isArr && isArguments(value),
          isBuff = !isArr && !isArg && isBuffer(value),
          isType = !isArr && !isArg && !isBuff && isTypedArray(value),
          skipIndexes = isArr || isArg || isBuff || isType,
          result = skipIndexes ? baseTimes(value.length, String) : [],
          length = result.length;

      for (var key in value) {
        if ((inherited || hasOwnProperty.call(value, key)) &&
            !(skipIndexes && (
               // Safari 9 has enumerable `arguments.length` in strict mode.
               key == 'length' ||
               // Node.js 0.10 has enumerable non-index properties on buffers.
               (isBuff && (key == 'offset' || key == 'parent')) ||
               // PhantomJS 2 has enumerable non-index properties on typed arrays.
               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
               // Skip index properties.
               isIndex(key, length)
            ))) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * A specialized version of `_.sample` for arrays.
     *
     * @private
     * @param {Array} array The array to sample.
     * @returns {*} Returns the random element.
     */
    function arraySample(array) {
      var length = array.length;
      return length ? array[baseRandom(0, length - 1)] : undefined;
    }

    /**
     * A specialized version of `_.sampleSize` for arrays.
     *
     * @private
     * @param {Array} array The array to sample.
     * @param {number} n The number of elements to sample.
     * @returns {Array} Returns the random elements.
     */
    function arraySampleSize(array, n) {
      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
    }

    /**
     * A specialized version of `_.shuffle` for arrays.
     *
     * @private
     * @param {Array} array The array to shuffle.
     * @returns {Array} Returns the new shuffled array.
     */
    function arrayShuffle(array) {
      return shuffleSelf(copyArray(array));
    }

    /**
     * This function is like `assignValue` except that it doesn't assign
     * `undefined` values.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function assignMergeValue(object, key, value) {
      if ((value !== undefined && !eq(object[key], value)) ||
          (value === undefined && !(key in object))) {
        baseAssignValue(object, key, value);
      }
    }

    /**
     * Assigns `value` to `key` of `object` if the existing value is not equivalent
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function assignValue(object, key, value) {
      var objValue = object[key];
      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
          (value === undefined && !(key in object))) {
        baseAssignValue(object, key, value);
      }
    }

    /**
     * Gets the index at which the `key` is found in `array` of key-value pairs.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {*} key The key to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     */
    function assocIndexOf(array, key) {
      var length = array.length;
      while (length--) {
        if (eq(array[length][0], key)) {
          return length;
        }
      }
      return -1;
    }

    /**
     * Aggregates elements of `collection` on `accumulator` with keys transformed
     * by `iteratee` and values set by `setter`.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} setter The function to set `accumulator` values.
     * @param {Function} iteratee The iteratee to transform keys.
     * @param {Object} accumulator The initial aggregated object.
     * @returns {Function} Returns `accumulator`.
     */
    function baseAggregator(collection, setter, iteratee, accumulator) {
      baseEach(collection, function(value, key, collection) {
        setter(accumulator, value, iteratee(value), collection);
      });
      return accumulator;
    }

    /**
     * The base implementation of `_.assign` without support for multiple sources
     * or `customizer` functions.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @returns {Object} Returns `object`.
     */
    function baseAssign(object, source) {
      return object && copyObject(source, keys(source), object);
    }

    /**
     * The base implementation of `_.assignIn` without support for multiple sources
     * or `customizer` functions.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @returns {Object} Returns `object`.
     */
    function baseAssignIn(object, source) {
      return object && copyObject(source, keysIn(source), object);
    }

    /**
     * The base implementation of `assignValue` and `assignMergeValue` without
     * value checks.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {string} key The key of the property to assign.
     * @param {*} value The value to assign.
     */
    function baseAssignValue(object, key, value) {
      if (key == '__proto__' && defineProperty) {
        defineProperty(object, key, {
          'configurable': true,
          'enumerable': true,
          'value': value,
          'writable': true
        });
      } else {
        object[key] = value;
      }
    }

    /**
     * The base implementation of `_.at` without support for individual paths.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {string[]} paths The property paths to pick.
     * @returns {Array} Returns the picked elements.
     */
    function baseAt(object, paths) {
      var index = -1,
          length = paths.length,
          result = Array(length),
          skip = object == null;

      while (++index < length) {
        result[index] = skip ? undefined : get(object, paths[index]);
      }
      return result;
    }

    /**
     * The base implementation of `_.clamp` which doesn't coerce arguments.
     *
     * @private
     * @param {number} number The number to clamp.
     * @param {number} [lower] The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the clamped number.
     */
    function baseClamp(number, lower, upper) {
      if (number === number) {
        if (upper !== undefined) {
          number = number <= upper ? number : upper;
        }
        if (lower !== undefined) {
          number = number >= lower ? number : lower;
        }
      }
      return number;
    }

    /**
     * The base implementation of `_.clone` and `_.cloneDeep` which tracks
     * traversed objects.
     *
     * @private
     * @param {*} value The value to clone.
     * @param {boolean} bitmask The bitmask flags.
     *  1 - Deep clone
     *  2 - Flatten inherited properties
     *  4 - Clone symbols
     * @param {Function} [customizer] The function to customize cloning.
     * @param {string} [key] The key of `value`.
     * @param {Object} [object] The parent object of `value`.
     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
     * @returns {*} Returns the cloned value.
     */
    function baseClone(value, bitmask, customizer, key, object, stack) {
      var result,
          isDeep = bitmask & CLONE_DEEP_FLAG,
          isFlat = bitmask & CLONE_FLAT_FLAG,
          isFull = bitmask & CLONE_SYMBOLS_FLAG;

      if (customizer) {
        result = object ? customizer(value, key, object, stack) : customizer(value);
      }
      if (result !== undefined) {
        return result;
      }
      if (!isObject(value)) {
        return value;
      }
      var isArr = isArray(value);
      if (isArr) {
        result = initCloneArray(value);
        if (!isDeep) {
          return copyArray(value, result);
        }
      } else {
        var tag = getTag(value),
            isFunc = tag == funcTag || tag == genTag;

        if (isBuffer(value)) {
          return cloneBuffer(value, isDeep);
        }
        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
          result = (isFlat || isFunc) ? {} : initCloneObject(value);
          if (!isDeep) {
            return isFlat
              ? copySymbolsIn(value, baseAssignIn(result, value))
              : copySymbols(value, baseAssign(result, value));
          }
        } else {
          if (!cloneableTags[tag]) {
            return object ? value : {};
          }
          result = initCloneByTag(value, tag, isDeep);
        }
      }
      // Check for circular references and return its corresponding clone.
      stack || (stack = new Stack);
      var stacked = stack.get(value);
      if (stacked) {
        return stacked;
      }
      stack.set(value, result);

      if (isSet(value)) {
        value.forEach(function(subValue) {
          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
        });
      } else if (isMap(value)) {
        value.forEach(function(subValue, key) {
          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
        });
      }

      var keysFunc = isFull
        ? (isFlat ? getAllKeysIn : getAllKeys)
        : (isFlat ? keysIn : keys);

      var props = isArr ? undefined : keysFunc(value);
      arrayEach(props || value, function(subValue, key) {
        if (props) {
          key = subValue;
          subValue = value[key];
        }
        // Recursively populate clone (susceptible to call stack limits).
        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
      });
      return result;
    }

    /**
     * The base implementation of `_.conforms` which doesn't clone `source`.
     *
     * @private
     * @param {Object} source The object of property predicates to conform to.
     * @returns {Function} Returns the new spec function.
     */
    function baseConforms(source) {
      var props = keys(source);
      return function(object) {
        return baseConformsTo(object, source, props);
      };
    }

    /**
     * The base implementation of `_.conformsTo` which accepts `props` to check.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property predicates to conform to.
     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
     */
    function baseConformsTo(object, source, props) {
      var length = props.length;
      if (object == null) {
        return !length;
      }
      object = Object(object);
      while (length--) {
        var key = props[length],
            predicate = source[key],
            value = object[key];

        if ((value === undefined && !(key in object)) || !predicate(value)) {
          return false;
        }
      }
      return true;
    }

    /**
     * The base implementation of `_.delay` and `_.defer` which accepts `args`
     * to provide to `func`.
     *
     * @private
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @param {Array} args The arguments to provide to `func`.
     * @returns {number|Object} Returns the timer id or timeout object.
     */
    function baseDelay(func, wait, args) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      return setTimeout(function() { func.apply(undefined, args); }, wait);
    }

    /**
     * The base implementation of methods like `_.difference` without support
     * for excluding multiple arrays or iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Array} values The values to exclude.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     */
    function baseDifference(array, values, iteratee, comparator) {
      var index = -1,
          includes = arrayIncludes,
          isCommon = true,
          length = array.length,
          result = [],
          valuesLength = values.length;

      if (!length) {
        return result;
      }
      if (iteratee) {
        values = arrayMap(values, baseUnary(iteratee));
      }
      if (comparator) {
        includes = arrayIncludesWith;
        isCommon = false;
      }
      else if (values.length >= LARGE_ARRAY_SIZE) {
        includes = cacheHas;
        isCommon = false;
        values = new SetCache(values);
      }
      outer:
      while (++index < length) {
        var value = array[index],
            computed = iteratee == null ? value : iteratee(value);

        value = (comparator || value !== 0) ? value : 0;
        if (isCommon && computed === computed) {
          var valuesIndex = valuesLength;
          while (valuesIndex--) {
            if (values[valuesIndex] === computed) {
              continue outer;
            }
          }
          result.push(value);
        }
        else if (!includes(values, computed, comparator)) {
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.forEach` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     */
    var baseEach = createBaseEach(baseForOwn);

    /**
     * The base implementation of `_.forEachRight` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     */
    var baseEachRight = createBaseEach(baseForOwnRight, true);

    /**
     * The base implementation of `_.every` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {boolean} Returns `true` if all elements pass the predicate check,
     *  else `false`
     */
    function baseEvery(collection, predicate) {
      var result = true;
      baseEach(collection, function(value, index, collection) {
        result = !!predicate(value, index, collection);
        return result;
      });
      return result;
    }

    /**
     * The base implementation of methods like `_.max` and `_.min` which accepts a
     * `comparator` to determine the extremum value.
     *
     * @private
     * @param {Array} array The array to iterate over.
     * @param {Function} iteratee The iteratee invoked per iteration.
     * @param {Function} comparator The comparator used to compare values.
     * @returns {*} Returns the extremum value.
     */
    function baseExtremum(array, iteratee, comparator) {
      var index = -1,
          length = array.length;

      while (++index < length) {
        var value = array[index],
            current = iteratee(value);

        if (current != null && (computed === undefined
              ? (current === current && !isSymbol(current))
              : comparator(current, computed)
            )) {
          var computed = current,
              result = value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.fill` without an iteratee call guard.
     *
     * @private
     * @param {Array} array The array to fill.
     * @param {*} value The value to fill `array` with.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns `array`.
     */
    function baseFill(array, value, start, end) {
      var length = array.length;

      start = toInteger(start);
      if (start < 0) {
        start = -start > length ? 0 : (length + start);
      }
      end = (end === undefined || end > length) ? length : toInteger(end);
      if (end < 0) {
        end += length;
      }
      end = start > end ? 0 : toLength(end);
      while (start < end) {
        array[start++] = value;
      }
      return array;
    }

    /**
     * The base implementation of `_.filter` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     */
    function baseFilter(collection, predicate) {
      var result = [];
      baseEach(collection, function(value, index, collection) {
        if (predicate(value, index, collection)) {
          result.push(value);
        }
      });
      return result;
    }

    /**
     * The base implementation of `_.flatten` with support for restricting flattening.
     *
     * @private
     * @param {Array} array The array to flatten.
     * @param {number} depth The maximum recursion depth.
     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
     * @param {Array} [result=[]] The initial result value.
     * @returns {Array} Returns the new flattened array.
     */
    function baseFlatten(array, depth, predicate, isStrict, result) {
      var index = -1,
          length = array.length;

      predicate || (predicate = isFlattenable);
      result || (result = []);

      while (++index < length) {
        var value = array[index];
        if (depth > 0 && predicate(value)) {
          if (depth > 1) {
            // Recursively flatten arrays (susceptible to call stack limits).
            baseFlatten(value, depth - 1, predicate, isStrict, result);
          } else {
            arrayPush(result, value);
          }
        } else if (!isStrict) {
          result[result.length] = value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `baseForOwn` which iterates over `object`
     * properties returned by `keysFunc` and invokes `iteratee` for each property.
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @returns {Object} Returns `object`.
     */
    var baseFor = createBaseFor();

    /**
     * This function is like `baseFor` except that it iterates over properties
     * in the opposite order.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @returns {Object} Returns `object`.
     */
    var baseForRight = createBaseFor(true);

    /**
     * The base implementation of `_.forOwn` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Object} Returns `object`.
     */
    function baseForOwn(object, iteratee) {
      return object && baseFor(object, iteratee, keys);
    }

    /**
     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Object} Returns `object`.
     */
    function baseForOwnRight(object, iteratee) {
      return object && baseForRight(object, iteratee, keys);
    }

    /**
     * The base implementation of `_.functions` which creates an array of
     * `object` function property names filtered from `props`.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Array} props The property names to filter.
     * @returns {Array} Returns the function names.
     */
    function baseFunctions(object, props) {
      return arrayFilter(props, function(key) {
        return isFunction(object[key]);
      });
    }

    /**
     * The base implementation of `_.get` without support for default values.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to get.
     * @returns {*} Returns the resolved value.
     */
    function baseGet(object, path) {
      path = castPath(path, object);

      var index = 0,
          length = path.length;

      while (object != null && index < length) {
        object = object[toKey(path[index++])];
      }
      return (index && index == length) ? object : undefined;
    }

    /**
     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
     * `keysFunc` and `symbolsFunc` to get the enumerable property names and
     * symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Function} keysFunc The function to get the keys of `object`.
     * @param {Function} symbolsFunc The function to get the symbols of `object`.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function baseGetAllKeys(object, keysFunc, symbolsFunc) {
      var result = keysFunc(object);
      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
    }

    /**
     * The base implementation of `getTag` without fallbacks for buggy environments.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the `toStringTag`.
     */
    function baseGetTag(value) {
      if (value == null) {
        return value === undefined ? undefinedTag : nullTag;
      }
      return (symToStringTag && symToStringTag in Object(value))
        ? getRawTag(value)
        : objectToString(value);
    }

    /**
     * The base implementation of `_.gt` which doesn't coerce arguments.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than `other`,
     *  else `false`.
     */
    function baseGt(value, other) {
      return value > other;
    }

    /**
     * The base implementation of `_.has` without support for deep paths.
     *
     * @private
     * @param {Object} [object] The object to query.
     * @param {Array|string} key The key to check.
     * @returns {boolean} Returns `true` if `key` exists, else `false`.
     */
    function baseHas(object, key) {
      return object != null && hasOwnProperty.call(object, key);
    }

    /**
     * The base implementation of `_.hasIn` without support for deep paths.
     *
     * @private
     * @param {Object} [object] The object to query.
     * @param {Array|string} key The key to check.
     * @returns {boolean} Returns `true` if `key` exists, else `false`.
     */
    function baseHasIn(object, key) {
      return object != null && key in Object(object);
    }

    /**
     * The base implementation of `_.inRange` which doesn't coerce arguments.
     *
     * @private
     * @param {number} number The number to check.
     * @param {number} start The start of the range.
     * @param {number} end The end of the range.
     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
     */
    function baseInRange(number, start, end) {
      return number >= nativeMin(start, end) && number < nativeMax(start, end);
    }

    /**
     * The base implementation of methods like `_.intersection`, without support
     * for iteratee shorthands, that accepts an array of arrays to inspect.
     *
     * @private
     * @param {Array} arrays The arrays to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of shared values.
     */
    function baseIntersection(arrays, iteratee, comparator) {
      var includes = comparator ? arrayIncludesWith : arrayIncludes,
          length = arrays[0].length,
          othLength = arrays.length,
          othIndex = othLength,
          caches = Array(othLength),
          maxLength = Infinity,
          result = [];

      while (othIndex--) {
        var array = arrays[othIndex];
        if (othIndex && iteratee) {
          array = arrayMap(array, baseUnary(iteratee));
        }
        maxLength = nativeMin(array.length, maxLength);
        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
          ? new SetCache(othIndex && array)
          : undefined;
      }
      array = arrays[0];

      var index = -1,
          seen = caches[0];

      outer:
      while (++index < length && result.length < maxLength) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        value = (comparator || value !== 0) ? value : 0;
        if (!(seen
              ? cacheHas(seen, computed)
              : includes(result, computed, comparator)
            )) {
          othIndex = othLength;
          while (--othIndex) {
            var cache = caches[othIndex];
            if (!(cache
                  ? cacheHas(cache, computed)
                  : includes(arrays[othIndex], computed, comparator))
                ) {
              continue outer;
            }
          }
          if (seen) {
            seen.push(computed);
          }
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.invert` and `_.invertBy` which inverts
     * `object` with values transformed by `iteratee` and set by `setter`.
     *
     * @private
     * @param {Object} object The object to iterate over.
     * @param {Function} setter The function to set `accumulator` values.
     * @param {Function} iteratee The iteratee to transform values.
     * @param {Object} accumulator The initial inverted object.
     * @returns {Function} Returns `accumulator`.
     */
    function baseInverter(object, setter, iteratee, accumulator) {
      baseForOwn(object, function(value, key, object) {
        setter(accumulator, iteratee(value), key, object);
      });
      return accumulator;
    }

    /**
     * The base implementation of `_.invoke` without support for individual
     * method arguments.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the method to invoke.
     * @param {Array} args The arguments to invoke the method with.
     * @returns {*} Returns the result of the invoked method.
     */
    function baseInvoke(object, path, args) {
      path = castPath(path, object);
      object = parent(object, path);
      var func = object == null ? object : object[toKey(last(path))];
      return func == null ? undefined : apply(func, object, args);
    }

    /**
     * The base implementation of `_.isArguments`.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
     */
    function baseIsArguments(value) {
      return isObjectLike(value) && baseGetTag(value) == argsTag;
    }

    /**
     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
     */
    function baseIsArrayBuffer(value) {
      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
    }

    /**
     * The base implementation of `_.isDate` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
     */
    function baseIsDate(value) {
      return isObjectLike(value) && baseGetTag(value) == dateTag;
    }

    /**
     * The base implementation of `_.isEqual` which supports partial comparisons
     * and tracks traversed objects.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @param {boolean} bitmask The bitmask flags.
     *  1 - Unordered comparison
     *  2 - Partial comparison
     * @param {Function} [customizer] The function to customize comparisons.
     * @param {Object} [stack] Tracks traversed `value` and `other` objects.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     */
    function baseIsEqual(value, other, bitmask, customizer, stack) {
      if (value === other) {
        return true;
      }
      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
        return value !== value && other !== other;
      }
      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
    }

    /**
     * A specialized version of `baseIsEqual` for arrays and objects which performs
     * deep comparisons and tracks traversed objects enabling objects with circular
     * references to be compared.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} [stack] Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
      var objIsArr = isArray(object),
          othIsArr = isArray(other),
          objTag = objIsArr ? arrayTag : getTag(object),
          othTag = othIsArr ? arrayTag : getTag(other);

      objTag = objTag == argsTag ? objectTag : objTag;
      othTag = othTag == argsTag ? objectTag : othTag;

      var objIsObj = objTag == objectTag,
          othIsObj = othTag == objectTag,
          isSameTag = objTag == othTag;

      if (isSameTag && isBuffer(object)) {
        if (!isBuffer(other)) {
          return false;
        }
        objIsArr = true;
        objIsObj = false;
      }
      if (isSameTag && !objIsObj) {
        stack || (stack = new Stack);
        return (objIsArr || isTypedArray(object))
          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
      }
      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');

        if (objIsWrapped || othIsWrapped) {
          var objUnwrapped = objIsWrapped ? object.value() : object,
              othUnwrapped = othIsWrapped ? other.value() : other;

          stack || (stack = new Stack);
          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
        }
      }
      if (!isSameTag) {
        return false;
      }
      stack || (stack = new Stack);
      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
    }

    /**
     * The base implementation of `_.isMap` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
     */
    function baseIsMap(value) {
      return isObjectLike(value) && getTag(value) == mapTag;
    }

    /**
     * The base implementation of `_.isMatch` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @param {Array} matchData The property names, values, and compare flags to match.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     */
    function baseIsMatch(object, source, matchData, customizer) {
      var index = matchData.length,
          length = index,
          noCustomizer = !customizer;

      if (object == null) {
        return !length;
      }
      object = Object(object);
      while (index--) {
        var data = matchData[index];
        if ((noCustomizer && data[2])
              ? data[1] !== object[data[0]]
              : !(data[0] in object)
            ) {
          return false;
        }
      }
      while (++index < length) {
        data = matchData[index];
        var key = data[0],
            objValue = object[key],
            srcValue = data[1];

        if (noCustomizer && data[2]) {
          if (objValue === undefined && !(key in object)) {
            return false;
          }
        } else {
          var stack = new Stack;
          if (customizer) {
            var result = customizer(objValue, srcValue, key, object, source, stack);
          }
          if (!(result === undefined
                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
                : result
              )) {
            return false;
          }
        }
      }
      return true;
    }

    /**
     * The base implementation of `_.isNative` without bad shim checks.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a native function,
     *  else `false`.
     */
    function baseIsNative(value) {
      if (!isObject(value) || isMasked(value)) {
        return false;
      }
      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
      return pattern.test(toSource(value));
    }

    /**
     * The base implementation of `_.isRegExp` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
     */
    function baseIsRegExp(value) {
      return isObjectLike(value) && baseGetTag(value) == regexpTag;
    }

    /**
     * The base implementation of `_.isSet` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
     */
    function baseIsSet(value) {
      return isObjectLike(value) && getTag(value) == setTag;
    }

    /**
     * The base implementation of `_.isTypedArray` without Node.js optimizations.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
     */
    function baseIsTypedArray(value) {
      return isObjectLike(value) &&
        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
    }

    /**
     * The base implementation of `_.iteratee`.
     *
     * @private
     * @param {*} [value=_.identity] The value to convert to an iteratee.
     * @returns {Function} Returns the iteratee.
     */
    function baseIteratee(value) {
      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
      if (typeof value == 'function') {
        return value;
      }
      if (value == null) {
        return identity;
      }
      if (typeof value == 'object') {
        return isArray(value)
          ? baseMatchesProperty(value[0], value[1])
          : baseMatches(value);
      }
      return property(value);
    }

    /**
     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function baseKeys(object) {
      if (!isPrototype(object)) {
        return nativeKeys(object);
      }
      var result = [];
      for (var key in Object(object)) {
        if (hasOwnProperty.call(object, key) && key != 'constructor') {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function baseKeysIn(object) {
      if (!isObject(object)) {
        return nativeKeysIn(object);
      }
      var isProto = isPrototype(object),
          result = [];

      for (var key in object) {
        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.lt` which doesn't coerce arguments.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than `other`,
     *  else `false`.
     */
    function baseLt(value, other) {
      return value < other;
    }

    /**
     * The base implementation of `_.map` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} iteratee The function invoked per iteration.
     * @returns {Array} Returns the new mapped array.
     */
    function baseMap(collection, iteratee) {
      var index = -1,
          result = isArrayLike(collection) ? Array(collection.length) : [];

      baseEach(collection, function(value, key, collection) {
        result[++index] = iteratee(value, key, collection);
      });
      return result;
    }

    /**
     * The base implementation of `_.matches` which doesn't clone `source`.
     *
     * @private
     * @param {Object} source The object of property values to match.
     * @returns {Function} Returns the new spec function.
     */
    function baseMatches(source) {
      var matchData = getMatchData(source);
      if (matchData.length == 1 && matchData[0][2]) {
        return matchesStrictComparable(matchData[0][0], matchData[0][1]);
      }
      return function(object) {
        return object === source || baseIsMatch(object, source, matchData);
      };
    }

    /**
     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
     *
     * @private
     * @param {string} path The path of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     */
    function baseMatchesProperty(path, srcValue) {
      if (isKey(path) && isStrictComparable(srcValue)) {
        return matchesStrictComparable(toKey(path), srcValue);
      }
      return function(object) {
        var objValue = get(object, path);
        return (objValue === undefined && objValue === srcValue)
          ? hasIn(object, path)
          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
      };
    }

    /**
     * The base implementation of `_.merge` without support for multiple sources.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @param {number} srcIndex The index of `source`.
     * @param {Function} [customizer] The function to customize merged values.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     */
    function baseMerge(object, source, srcIndex, customizer, stack) {
      if (object === source) {
        return;
      }
      baseFor(source, function(srcValue, key) {
        stack || (stack = new Stack);
        if (isObject(srcValue)) {
          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
        }
        else {
          var newValue = customizer
            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
            : undefined;

          if (newValue === undefined) {
            newValue = srcValue;
          }
          assignMergeValue(object, key, newValue);
        }
      }, keysIn);
    }

    /**
     * A specialized version of `baseMerge` for arrays and objects which performs
     * deep merges and tracks traversed objects enabling objects with circular
     * references to be merged.
     *
     * @private
     * @param {Object} object The destination object.
     * @param {Object} source The source object.
     * @param {string} key The key of the value to merge.
     * @param {number} srcIndex The index of `source`.
     * @param {Function} mergeFunc The function to merge values.
     * @param {Function} [customizer] The function to customize assigned values.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     */
    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
      var objValue = safeGet(object, key),
          srcValue = safeGet(source, key),
          stacked = stack.get(srcValue);

      if (stacked) {
        assignMergeValue(object, key, stacked);
        return;
      }
      var newValue = customizer
        ? customizer(objValue, srcValue, (key + ''), object, source, stack)
        : undefined;

      var isCommon = newValue === undefined;

      if (isCommon) {
        var isArr = isArray(srcValue),
            isBuff = !isArr && isBuffer(srcValue),
            isTyped = !isArr && !isBuff && isTypedArray(srcValue);

        newValue = srcValue;
        if (isArr || isBuff || isTyped) {
          if (isArray(objValue)) {
            newValue = objValue;
          }
          else if (isArrayLikeObject(objValue)) {
            newValue = copyArray(objValue);
          }
          else if (isBuff) {
            isCommon = false;
            newValue = cloneBuffer(srcValue, true);
          }
          else if (isTyped) {
            isCommon = false;
            newValue = cloneTypedArray(srcValue, true);
          }
          else {
            newValue = [];
          }
        }
        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
          newValue = objValue;
          if (isArguments(objValue)) {
            newValue = toPlainObject(objValue);
          }
          else if (!isObject(objValue) || isFunction(objValue)) {
            newValue = initCloneObject(srcValue);
          }
        }
        else {
          isCommon = false;
        }
      }
      if (isCommon) {
        // Recursively merge objects and arrays (susceptible to call stack limits).
        stack.set(srcValue, newValue);
        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
        stack['delete'](srcValue);
      }
      assignMergeValue(object, key, newValue);
    }

    /**
     * The base implementation of `_.nth` which doesn't coerce arguments.
     *
     * @private
     * @param {Array} array The array to query.
     * @param {number} n The index of the element to return.
     * @returns {*} Returns the nth element of `array`.
     */
    function baseNth(array, n) {
      var length = array.length;
      if (!length) {
        return;
      }
      n += n < 0 ? length : 0;
      return isIndex(n, length) ? array[n] : undefined;
    }

    /**
     * The base implementation of `_.orderBy` without param guards.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
     * @param {string[]} orders The sort orders of `iteratees`.
     * @returns {Array} Returns the new sorted array.
     */
    function baseOrderBy(collection, iteratees, orders) {
      if (iteratees.length) {
        iteratees = arrayMap(iteratees, function(iteratee) {
          if (isArray(iteratee)) {
            return function(value) {
              return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);
            }
          }
          return iteratee;
        });
      } else {
        iteratees = [identity];
      }

      var index = -1;
      iteratees = arrayMap(iteratees, baseUnary(getIteratee()));

      var result = baseMap(collection, function(value, key, collection) {
        var criteria = arrayMap(iteratees, function(iteratee) {
          return iteratee(value);
        });
        return { 'criteria': criteria, 'index': ++index, 'value': value };
      });

      return baseSortBy(result, function(object, other) {
        return compareMultiple(object, other, orders);
      });
    }

    /**
     * The base implementation of `_.pick` without support for individual
     * property identifiers.
     *
     * @private
     * @param {Object} object The source object.
     * @param {string[]} paths The property paths to pick.
     * @returns {Object} Returns the new object.
     */
    function basePick(object, paths) {
      return basePickBy(object, paths, function(value, path) {
        return hasIn(object, path);
      });
    }

    /**
     * The base implementation of  `_.pickBy` without support for iteratee shorthands.
     *
     * @private
     * @param {Object} object The source object.
     * @param {string[]} paths The property paths to pick.
     * @param {Function} predicate The function invoked per property.
     * @returns {Object} Returns the new object.
     */
    function basePickBy(object, paths, predicate) {
      var index = -1,
          length = paths.length,
          result = {};

      while (++index < length) {
        var path = paths[index],
            value = baseGet(object, path);

        if (predicate(value, path)) {
          baseSet(result, castPath(path, object), value);
        }
      }
      return result;
    }

    /**
     * A specialized version of `baseProperty` which supports deep paths.
     *
     * @private
     * @param {Array|string} path The path of the property to get.
     * @returns {Function} Returns the new accessor function.
     */
    function basePropertyDeep(path) {
      return function(object) {
        return baseGet(object, path);
      };
    }

    /**
     * The base implementation of `_.pullAllBy` without support for iteratee
     * shorthands.
     *
     * @private
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns `array`.
     */
    function basePullAll(array, values, iteratee, comparator) {
      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
          index = -1,
          length = values.length,
          seen = array;

      if (array === values) {
        values = copyArray(values);
      }
      if (iteratee) {
        seen = arrayMap(array, baseUnary(iteratee));
      }
      while (++index < length) {
        var fromIndex = 0,
            value = values[index],
            computed = iteratee ? iteratee(value) : value;

        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
          if (seen !== array) {
            splice.call(seen, fromIndex, 1);
          }
          splice.call(array, fromIndex, 1);
        }
      }
      return array;
    }

    /**
     * The base implementation of `_.pullAt` without support for individual
     * indexes or capturing the removed elements.
     *
     * @private
     * @param {Array} array The array to modify.
     * @param {number[]} indexes The indexes of elements to remove.
     * @returns {Array} Returns `array`.
     */
    function basePullAt(array, indexes) {
      var length = array ? indexes.length : 0,
          lastIndex = length - 1;

      while (length--) {
        var index = indexes[length];
        if (length == lastIndex || index !== previous) {
          var previous = index;
          if (isIndex(index)) {
            splice.call(array, index, 1);
          } else {
            baseUnset(array, index);
          }
        }
      }
      return array;
    }

    /**
     * The base implementation of `_.random` without support for returning
     * floating-point numbers.
     *
     * @private
     * @param {number} lower The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the random number.
     */
    function baseRandom(lower, upper) {
      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
    }

    /**
     * The base implementation of `_.range` and `_.rangeRight` which doesn't
     * coerce arguments.
     *
     * @private
     * @param {number} start The start of the range.
     * @param {number} end The end of the range.
     * @param {number} step The value to increment or decrement by.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Array} Returns the range of numbers.
     */
    function baseRange(start, end, step, fromRight) {
      var index = -1,
          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
          result = Array(length);

      while (length--) {
        result[fromRight ? length : ++index] = start;
        start += step;
      }
      return result;
    }

    /**
     * The base implementation of `_.repeat` which doesn't coerce arguments.
     *
     * @private
     * @param {string} string The string to repeat.
     * @param {number} n The number of times to repeat the string.
     * @returns {string} Returns the repeated string.
     */
    function baseRepeat(string, n) {
      var result = '';
      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
        return result;
      }
      // Leverage the exponentiation by squaring algorithm for a faster repeat.
      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
      do {
        if (n % 2) {
          result += string;
        }
        n = nativeFloor(n / 2);
        if (n) {
          string += string;
        }
      } while (n);

      return result;
    }

    /**
     * The base implementation of `_.rest` which doesn't validate or coerce arguments.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @returns {Function} Returns the new function.
     */
    function baseRest(func, start) {
      return setToString(overRest(func, start, identity), func + '');
    }

    /**
     * The base implementation of `_.sample`.
     *
     * @private
     * @param {Array|Object} collection The collection to sample.
     * @returns {*} Returns the random element.
     */
    function baseSample(collection) {
      return arraySample(values(collection));
    }

    /**
     * The base implementation of `_.sampleSize` without param guards.
     *
     * @private
     * @param {Array|Object} collection The collection to sample.
     * @param {number} n The number of elements to sample.
     * @returns {Array} Returns the random elements.
     */
    function baseSampleSize(collection, n) {
      var array = values(collection);
      return shuffleSelf(array, baseClamp(n, 0, array.length));
    }

    /**
     * The base implementation of `_.set`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @param {Function} [customizer] The function to customize path creation.
     * @returns {Object} Returns `object`.
     */
    function baseSet(object, path, value, customizer) {
      if (!isObject(object)) {
        return object;
      }
      path = castPath(path, object);

      var index = -1,
          length = path.length,
          lastIndex = length - 1,
          nested = object;

      while (nested != null && ++index < length) {
        var key = toKey(path[index]),
            newValue = value;

        if (key === '__proto__' || key === 'constructor' || key === 'prototype') {
          return object;
        }

        if (index != lastIndex) {
          var objValue = nested[key];
          newValue = customizer ? customizer(objValue, key, nested) : undefined;
          if (newValue === undefined) {
            newValue = isObject(objValue)
              ? objValue
              : (isIndex(path[index + 1]) ? [] : {});
          }
        }
        assignValue(nested, key, newValue);
        nested = nested[key];
      }
      return object;
    }

    /**
     * The base implementation of `setData` without support for hot loop shorting.
     *
     * @private
     * @param {Function} func The function to associate metadata with.
     * @param {*} data The metadata.
     * @returns {Function} Returns `func`.
     */
    var baseSetData = !metaMap ? identity : function(func, data) {
      metaMap.set(func, data);
      return func;
    };

    /**
     * The base implementation of `setToString` without support for hot loop shorting.
     *
     * @private
     * @param {Function} func The function to modify.
     * @param {Function} string The `toString` result.
     * @returns {Function} Returns `func`.
     */
    var baseSetToString = !defineProperty ? identity : function(func, string) {
      return defineProperty(func, 'toString', {
        'configurable': true,
        'enumerable': false,
        'value': constant(string),
        'writable': true
      });
    };

    /**
     * The base implementation of `_.shuffle`.
     *
     * @private
     * @param {Array|Object} collection The collection to shuffle.
     * @returns {Array} Returns the new shuffled array.
     */
    function baseShuffle(collection) {
      return shuffleSelf(values(collection));
    }

    /**
     * The base implementation of `_.slice` without an iteratee call guard.
     *
     * @private
     * @param {Array} array The array to slice.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the slice of `array`.
     */
    function baseSlice(array, start, end) {
      var index = -1,
          length = array.length;

      if (start < 0) {
        start = -start > length ? 0 : (length + start);
      }
      end = end > length ? length : end;
      if (end < 0) {
        end += length;
      }
      length = start > end ? 0 : ((end - start) >>> 0);
      start >>>= 0;

      var result = Array(length);
      while (++index < length) {
        result[index] = array[index + start];
      }
      return result;
    }

    /**
     * The base implementation of `_.some` without support for iteratee shorthands.
     *
     * @private
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} predicate The function invoked per iteration.
     * @returns {boolean} Returns `true` if any element passes the predicate check,
     *  else `false`.
     */
    function baseSome(collection, predicate) {
      var result;

      baseEach(collection, function(value, index, collection) {
        result = predicate(value, index, collection);
        return !result;
      });
      return !!result;
    }

    /**
     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
     * performs a binary search of `array` to determine the index at which `value`
     * should be inserted into `array` in order to maintain its sort order.
     *
     * @private
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {boolean} [retHighest] Specify returning the highest qualified index.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     */
    function baseSortedIndex(array, value, retHighest) {
      var low = 0,
          high = array == null ? low : array.length;

      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
        while (low < high) {
          var mid = (low + high) >>> 1,
              computed = array[mid];

          if (computed !== null && !isSymbol(computed) &&
              (retHighest ? (computed <= value) : (computed < value))) {
            low = mid + 1;
          } else {
            high = mid;
          }
        }
        return high;
      }
      return baseSortedIndexBy(array, value, identity, retHighest);
    }

    /**
     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
     * which invokes `iteratee` for `value` and each element of `array` to compute
     * their sort ranking. The iteratee is invoked with one argument; (value).
     *
     * @private
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} iteratee The iteratee invoked per element.
     * @param {boolean} [retHighest] Specify returning the highest qualified index.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     */
    function baseSortedIndexBy(array, value, iteratee, retHighest) {
      var low = 0,
          high = array == null ? 0 : array.length;
      if (high === 0) {
        return 0;
      }

      value = iteratee(value);
      var valIsNaN = value !== value,
          valIsNull = value === null,
          valIsSymbol = isSymbol(value),
          valIsUndefined = value === undefined;

      while (low < high) {
        var mid = nativeFloor((low + high) / 2),
            computed = iteratee(array[mid]),
            othIsDefined = computed !== undefined,
            othIsNull = computed === null,
            othIsReflexive = computed === computed,
            othIsSymbol = isSymbol(computed);

        if (valIsNaN) {
          var setLow = retHighest || othIsReflexive;
        } else if (valIsUndefined) {
          setLow = othIsReflexive && (retHighest || othIsDefined);
        } else if (valIsNull) {
          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
        } else if (valIsSymbol) {
          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
        } else if (othIsNull || othIsSymbol) {
          setLow = false;
        } else {
          setLow = retHighest ? (computed <= value) : (computed < value);
        }
        if (setLow) {
          low = mid + 1;
        } else {
          high = mid;
        }
      }
      return nativeMin(high, MAX_ARRAY_INDEX);
    }

    /**
     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
     * support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     */
    function baseSortedUniq(array, iteratee) {
      var index = -1,
          length = array.length,
          resIndex = 0,
          result = [];

      while (++index < length) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        if (!index || !eq(computed, seen)) {
          var seen = computed;
          result[resIndex++] = value === 0 ? 0 : value;
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.toNumber` which doesn't ensure correct
     * conversions of binary, hexadecimal, or octal string values.
     *
     * @private
     * @param {*} value The value to process.
     * @returns {number} Returns the number.
     */
    function baseToNumber(value) {
      if (typeof value == 'number') {
        return value;
      }
      if (isSymbol(value)) {
        return NAN;
      }
      return +value;
    }

    /**
     * The base implementation of `_.toString` which doesn't convert nullish
     * values to empty strings.
     *
     * @private
     * @param {*} value The value to process.
     * @returns {string} Returns the string.
     */
    function baseToString(value) {
      // Exit early for strings to avoid a performance hit in some environments.
      if (typeof value == 'string') {
        return value;
      }
      if (isArray(value)) {
        // Recursively convert values (susceptible to call stack limits).
        return arrayMap(value, baseToString) + '';
      }
      if (isSymbol(value)) {
        return symbolToString ? symbolToString.call(value) : '';
      }
      var result = (value + '');
      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
    }

    /**
     * The base implementation of `_.uniqBy` without support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     */
    function baseUniq(array, iteratee, comparator) {
      var index = -1,
          includes = arrayIncludes,
          length = array.length,
          isCommon = true,
          result = [],
          seen = result;

      if (comparator) {
        isCommon = false;
        includes = arrayIncludesWith;
      }
      else if (length >= LARGE_ARRAY_SIZE) {
        var set = iteratee ? null : createSet(array);
        if (set) {
          return setToArray(set);
        }
        isCommon = false;
        includes = cacheHas;
        seen = new SetCache;
      }
      else {
        seen = iteratee ? [] : result;
      }
      outer:
      while (++index < length) {
        var value = array[index],
            computed = iteratee ? iteratee(value) : value;

        value = (comparator || value !== 0) ? value : 0;
        if (isCommon && computed === computed) {
          var seenIndex = seen.length;
          while (seenIndex--) {
            if (seen[seenIndex] === computed) {
              continue outer;
            }
          }
          if (iteratee) {
            seen.push(computed);
          }
          result.push(value);
        }
        else if (!includes(seen, computed, comparator)) {
          if (seen !== result) {
            seen.push(computed);
          }
          result.push(value);
        }
      }
      return result;
    }

    /**
     * The base implementation of `_.unset`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The property path to unset.
     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
     */
    function baseUnset(object, path) {
      path = castPath(path, object);
      object = parent(object, path);
      return object == null || delete object[toKey(last(path))];
    }

    /**
     * The base implementation of `_.update`.
     *
     * @private
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to update.
     * @param {Function} updater The function to produce the updated value.
     * @param {Function} [customizer] The function to customize path creation.
     * @returns {Object} Returns `object`.
     */
    function baseUpdate(object, path, updater, customizer) {
      return baseSet(object, path, updater(baseGet(object, path)), customizer);
    }

    /**
     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
     * without support for iteratee shorthands.
     *
     * @private
     * @param {Array} array The array to query.
     * @param {Function} predicate The function invoked per iteration.
     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Array} Returns the slice of `array`.
     */
    function baseWhile(array, predicate, isDrop, fromRight) {
      var length = array.length,
          index = fromRight ? length : -1;

      while ((fromRight ? index-- : ++index < length) &&
        predicate(array[index], index, array)) {}

      return isDrop
        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
    }

    /**
     * The base implementation of `wrapperValue` which returns the result of
     * performing a sequence of actions on the unwrapped `value`, where each
     * successive action is supplied the return value of the previous.
     *
     * @private
     * @param {*} value The unwrapped value.
     * @param {Array} actions Actions to perform to resolve the unwrapped value.
     * @returns {*} Returns the resolved value.
     */
    function baseWrapperValue(value, actions) {
      var result = value;
      if (result instanceof LazyWrapper) {
        result = result.value();
      }
      return arrayReduce(actions, function(result, action) {
        return action.func.apply(action.thisArg, arrayPush([result], action.args));
      }, result);
    }

    /**
     * The base implementation of methods like `_.xor`, without support for
     * iteratee shorthands, that accepts an array of arrays to inspect.
     *
     * @private
     * @param {Array} arrays The arrays to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of values.
     */
    function baseXor(arrays, iteratee, comparator) {
      var length = arrays.length;
      if (length < 2) {
        return length ? baseUniq(arrays[0]) : [];
      }
      var index = -1,
          result = Array(length);

      while (++index < length) {
        var array = arrays[index],
            othIndex = -1;

        while (++othIndex < length) {
          if (othIndex != index) {
            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
          }
        }
      }
      return baseUniq(baseFlatten(result, 1), iteratee, comparator);
    }

    /**
     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
     *
     * @private
     * @param {Array} props The property identifiers.
     * @param {Array} values The property values.
     * @param {Function} assignFunc The function to assign values.
     * @returns {Object} Returns the new object.
     */
    function baseZipObject(props, values, assignFunc) {
      var index = -1,
          length = props.length,
          valsLength = values.length,
          result = {};

      while (++index < length) {
        var value = index < valsLength ? values[index] : undefined;
        assignFunc(result, props[index], value);
      }
      return result;
    }

    /**
     * Casts `value` to an empty array if it's not an array like object.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {Array|Object} Returns the cast array-like object.
     */
    function castArrayLikeObject(value) {
      return isArrayLikeObject(value) ? value : [];
    }

    /**
     * Casts `value` to `identity` if it's not a function.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {Function} Returns cast function.
     */
    function castFunction(value) {
      return typeof value == 'function' ? value : identity;
    }

    /**
     * Casts `value` to a path array if it's not one.
     *
     * @private
     * @param {*} value The value to inspect.
     * @param {Object} [object] The object to query keys on.
     * @returns {Array} Returns the cast property path array.
     */
    function castPath(value, object) {
      if (isArray(value)) {
        return value;
      }
      return isKey(value, object) ? [value] : stringToPath(toString(value));
    }

    /**
     * A `baseRest` alias which can be replaced with `identity` by module
     * replacement plugins.
     *
     * @private
     * @type {Function}
     * @param {Function} func The function to apply a rest parameter to.
     * @returns {Function} Returns the new function.
     */
    var castRest = baseRest;

    /**
     * Casts `array` to a slice if it's needed.
     *
     * @private
     * @param {Array} array The array to inspect.
     * @param {number} start The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the cast slice.
     */
    function castSlice(array, start, end) {
      var length = array.length;
      end = end === undefined ? length : end;
      return (!start && end >= length) ? array : baseSlice(array, start, end);
    }

    /**
     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
     *
     * @private
     * @param {number|Object} id The timer id or timeout object of the timer to clear.
     */
    var clearTimeout = ctxClearTimeout || function(id) {
      return root.clearTimeout(id);
    };

    /**
     * Creates a clone of  `buffer`.
     *
     * @private
     * @param {Buffer} buffer The buffer to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Buffer} Returns the cloned buffer.
     */
    function cloneBuffer(buffer, isDeep) {
      if (isDeep) {
        return buffer.slice();
      }
      var length = buffer.length,
          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);

      buffer.copy(result);
      return result;
    }

    /**
     * Creates a clone of `arrayBuffer`.
     *
     * @private
     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
     * @returns {ArrayBuffer} Returns the cloned array buffer.
     */
    function cloneArrayBuffer(arrayBuffer) {
      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
      new Uint8Array(result).set(new Uint8Array(arrayBuffer));
      return result;
    }

    /**
     * Creates a clone of `dataView`.
     *
     * @private
     * @param {Object} dataView The data view to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the cloned data view.
     */
    function cloneDataView(dataView, isDeep) {
      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
    }

    /**
     * Creates a clone of `regexp`.
     *
     * @private
     * @param {Object} regexp The regexp to clone.
     * @returns {Object} Returns the cloned regexp.
     */
    function cloneRegExp(regexp) {
      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
      result.lastIndex = regexp.lastIndex;
      return result;
    }

    /**
     * Creates a clone of the `symbol` object.
     *
     * @private
     * @param {Object} symbol The symbol object to clone.
     * @returns {Object} Returns the cloned symbol object.
     */
    function cloneSymbol(symbol) {
      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
    }

    /**
     * Creates a clone of `typedArray`.
     *
     * @private
     * @param {Object} typedArray The typed array to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the cloned typed array.
     */
    function cloneTypedArray(typedArray, isDeep) {
      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
    }

    /**
     * Compares values to sort them in ascending order.
     *
     * @private
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {number} Returns the sort order indicator for `value`.
     */
    function compareAscending(value, other) {
      if (value !== other) {
        var valIsDefined = value !== undefined,
            valIsNull = value === null,
            valIsReflexive = value === value,
            valIsSymbol = isSymbol(value);

        var othIsDefined = other !== undefined,
            othIsNull = other === null,
            othIsReflexive = other === other,
            othIsSymbol = isSymbol(other);

        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
            (valIsNull && othIsDefined && othIsReflexive) ||
            (!valIsDefined && othIsReflexive) ||
            !valIsReflexive) {
          return 1;
        }
        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
            (othIsNull && valIsDefined && valIsReflexive) ||
            (!othIsDefined && valIsReflexive) ||
            !othIsReflexive) {
          return -1;
        }
      }
      return 0;
    }

    /**
     * Used by `_.orderBy` to compare multiple properties of a value to another
     * and stable sort them.
     *
     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
     * specify an order of "desc" for descending or "asc" for ascending sort order
     * of corresponding values.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {boolean[]|string[]} orders The order to sort by for each property.
     * @returns {number} Returns the sort order indicator for `object`.
     */
    function compareMultiple(object, other, orders) {
      var index = -1,
          objCriteria = object.criteria,
          othCriteria = other.criteria,
          length = objCriteria.length,
          ordersLength = orders.length;

      while (++index < length) {
        var result = compareAscending(objCriteria[index], othCriteria[index]);
        if (result) {
          if (index >= ordersLength) {
            return result;
          }
          var order = orders[index];
          return result * (order == 'desc' ? -1 : 1);
        }
      }
      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
      // that causes it, under certain circumstances, to provide the same value for
      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
      // for more details.
      //
      // This also ensures a stable sort in V8 and other engines.
      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
      return object.index - other.index;
    }

    /**
     * Creates an array that is the composition of partially applied arguments,
     * placeholders, and provided arguments into a single array of arguments.
     *
     * @private
     * @param {Array} args The provided arguments.
     * @param {Array} partials The arguments to prepend to those provided.
     * @param {Array} holders The `partials` placeholder indexes.
     * @params {boolean} [isCurried] Specify composing for a curried function.
     * @returns {Array} Returns the new array of composed arguments.
     */
    function composeArgs(args, partials, holders, isCurried) {
      var argsIndex = -1,
          argsLength = args.length,
          holdersLength = holders.length,
          leftIndex = -1,
          leftLength = partials.length,
          rangeLength = nativeMax(argsLength - holdersLength, 0),
          result = Array(leftLength + rangeLength),
          isUncurried = !isCurried;

      while (++leftIndex < leftLength) {
        result[leftIndex] = partials[leftIndex];
      }
      while (++argsIndex < holdersLength) {
        if (isUncurried || argsIndex < argsLength) {
          result[holders[argsIndex]] = args[argsIndex];
        }
      }
      while (rangeLength--) {
        result[leftIndex++] = args[argsIndex++];
      }
      return result;
    }

    /**
     * This function is like `composeArgs` except that the arguments composition
     * is tailored for `_.partialRight`.
     *
     * @private
     * @param {Array} args The provided arguments.
     * @param {Array} partials The arguments to append to those provided.
     * @param {Array} holders The `partials` placeholder indexes.
     * @params {boolean} [isCurried] Specify composing for a curried function.
     * @returns {Array} Returns the new array of composed arguments.
     */
    function composeArgsRight(args, partials, holders, isCurried) {
      var argsIndex = -1,
          argsLength = args.length,
          holdersIndex = -1,
          holdersLength = holders.length,
          rightIndex = -1,
          rightLength = partials.length,
          rangeLength = nativeMax(argsLength - holdersLength, 0),
          result = Array(rangeLength + rightLength),
          isUncurried = !isCurried;

      while (++argsIndex < rangeLength) {
        result[argsIndex] = args[argsIndex];
      }
      var offset = argsIndex;
      while (++rightIndex < rightLength) {
        result[offset + rightIndex] = partials[rightIndex];
      }
      while (++holdersIndex < holdersLength) {
        if (isUncurried || argsIndex < argsLength) {
          result[offset + holders[holdersIndex]] = args[argsIndex++];
        }
      }
      return result;
    }

    /**
     * Copies the values of `source` to `array`.
     *
     * @private
     * @param {Array} source The array to copy values from.
     * @param {Array} [array=[]] The array to copy values to.
     * @returns {Array} Returns `array`.
     */
    function copyArray(source, array) {
      var index = -1,
          length = source.length;

      array || (array = Array(length));
      while (++index < length) {
        array[index] = source[index];
      }
      return array;
    }

    /**
     * Copies properties of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy properties from.
     * @param {Array} props The property identifiers to copy.
     * @param {Object} [object={}] The object to copy properties to.
     * @param {Function} [customizer] The function to customize copied values.
     * @returns {Object} Returns `object`.
     */
    function copyObject(source, props, object, customizer) {
      var isNew = !object;
      object || (object = {});

      var index = -1,
          length = props.length;

      while (++index < length) {
        var key = props[index];

        var newValue = customizer
          ? customizer(object[key], source[key], key, object, source)
          : undefined;

        if (newValue === undefined) {
          newValue = source[key];
        }
        if (isNew) {
          baseAssignValue(object, key, newValue);
        } else {
          assignValue(object, key, newValue);
        }
      }
      return object;
    }

    /**
     * Copies own symbols of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy symbols from.
     * @param {Object} [object={}] The object to copy symbols to.
     * @returns {Object} Returns `object`.
     */
    function copySymbols(source, object) {
      return copyObject(source, getSymbols(source), object);
    }

    /**
     * Copies own and inherited symbols of `source` to `object`.
     *
     * @private
     * @param {Object} source The object to copy symbols from.
     * @param {Object} [object={}] The object to copy symbols to.
     * @returns {Object} Returns `object`.
     */
    function copySymbolsIn(source, object) {
      return copyObject(source, getSymbolsIn(source), object);
    }

    /**
     * Creates a function like `_.groupBy`.
     *
     * @private
     * @param {Function} setter The function to set accumulator values.
     * @param {Function} [initializer] The accumulator object initializer.
     * @returns {Function} Returns the new aggregator function.
     */
    function createAggregator(setter, initializer) {
      return function(collection, iteratee) {
        var func = isArray(collection) ? arrayAggregator : baseAggregator,
            accumulator = initializer ? initializer() : {};

        return func(collection, setter, getIteratee(iteratee, 2), accumulator);
      };
    }

    /**
     * Creates a function like `_.assign`.
     *
     * @private
     * @param {Function} assigner The function to assign values.
     * @returns {Function} Returns the new assigner function.
     */
    function createAssigner(assigner) {
      return baseRest(function(object, sources) {
        var index = -1,
            length = sources.length,
            customizer = length > 1 ? sources[length - 1] : undefined,
            guard = length > 2 ? sources[2] : undefined;

        customizer = (assigner.length > 3 && typeof customizer == 'function')
          ? (length--, customizer)
          : undefined;

        if (guard && isIterateeCall(sources[0], sources[1], guard)) {
          customizer = length < 3 ? undefined : customizer;
          length = 1;
        }
        object = Object(object);
        while (++index < length) {
          var source = sources[index];
          if (source) {
            assigner(object, source, index, customizer);
          }
        }
        return object;
      });
    }

    /**
     * Creates a `baseEach` or `baseEachRight` function.
     *
     * @private
     * @param {Function} eachFunc The function to iterate over a collection.
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new base function.
     */
    function createBaseEach(eachFunc, fromRight) {
      return function(collection, iteratee) {
        if (collection == null) {
          return collection;
        }
        if (!isArrayLike(collection)) {
          return eachFunc(collection, iteratee);
        }
        var length = collection.length,
            index = fromRight ? length : -1,
            iterable = Object(collection);

        while ((fromRight ? index-- : ++index < length)) {
          if (iteratee(iterable[index], index, iterable) === false) {
            break;
          }
        }
        return collection;
      };
    }

    /**
     * Creates a base function for methods like `_.forIn` and `_.forOwn`.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new base function.
     */
    function createBaseFor(fromRight) {
      return function(object, iteratee, keysFunc) {
        var index = -1,
            iterable = Object(object),
            props = keysFunc(object),
            length = props.length;

        while (length--) {
          var key = props[fromRight ? length : ++index];
          if (iteratee(iterable[key], key, iterable) === false) {
            break;
          }
        }
        return object;
      };
    }

    /**
     * Creates a function that wraps `func` to invoke it with the optional `this`
     * binding of `thisArg`.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createBind(func, bitmask, thisArg) {
      var isBind = bitmask & WRAP_BIND_FLAG,
          Ctor = createCtor(func);

      function wrapper() {
        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
        return fn.apply(isBind ? thisArg : this, arguments);
      }
      return wrapper;
    }

    /**
     * Creates a function like `_.lowerFirst`.
     *
     * @private
     * @param {string} methodName The name of the `String` case method to use.
     * @returns {Function} Returns the new case function.
     */
    function createCaseFirst(methodName) {
      return function(string) {
        string = toString(string);

        var strSymbols = hasUnicode(string)
          ? stringToArray(string)
          : undefined;

        var chr = strSymbols
          ? strSymbols[0]
          : string.charAt(0);

        var trailing = strSymbols
          ? castSlice(strSymbols, 1).join('')
          : string.slice(1);

        return chr[methodName]() + trailing;
      };
    }

    /**
     * Creates a function like `_.camelCase`.
     *
     * @private
     * @param {Function} callback The function to combine each word.
     * @returns {Function} Returns the new compounder function.
     */
    function createCompounder(callback) {
      return function(string) {
        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
      };
    }

    /**
     * Creates a function that produces an instance of `Ctor` regardless of
     * whether it was invoked as part of a `new` expression or by `call` or `apply`.
     *
     * @private
     * @param {Function} Ctor The constructor to wrap.
     * @returns {Function} Returns the new wrapped function.
     */
    function createCtor(Ctor) {
      return function() {
        // Use a `switch` statement to work with class constructors. See
        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
        // for more details.
        var args = arguments;
        switch (args.length) {
          case 0: return new Ctor;
          case 1: return new Ctor(args[0]);
          case 2: return new Ctor(args[0], args[1]);
          case 3: return new Ctor(args[0], args[1], args[2]);
          case 4: return new Ctor(args[0], args[1], args[2], args[3]);
          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
        }
        var thisBinding = baseCreate(Ctor.prototype),
            result = Ctor.apply(thisBinding, args);

        // Mimic the constructor's `return` behavior.
        // See https://es5.github.io/#x13.2.2 for more details.
        return isObject(result) ? result : thisBinding;
      };
    }

    /**
     * Creates a function that wraps `func` to enable currying.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {number} arity The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createCurry(func, bitmask, arity) {
      var Ctor = createCtor(func);

      function wrapper() {
        var length = arguments.length,
            args = Array(length),
            index = length,
            placeholder = getHolder(wrapper);

        while (index--) {
          args[index] = arguments[index];
        }
        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
          ? []
          : replaceHolders(args, placeholder);

        length -= holders.length;
        if (length < arity) {
          return createRecurry(
            func, bitmask, createHybrid, wrapper.placeholder, undefined,
            args, holders, undefined, undefined, arity - length);
        }
        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
        return apply(fn, this, args);
      }
      return wrapper;
    }

    /**
     * Creates a `_.find` or `_.findLast` function.
     *
     * @private
     * @param {Function} findIndexFunc The function to find the collection index.
     * @returns {Function} Returns the new find function.
     */
    function createFind(findIndexFunc) {
      return function(collection, predicate, fromIndex) {
        var iterable = Object(collection);
        if (!isArrayLike(collection)) {
          var iteratee = getIteratee(predicate, 3);
          collection = keys(collection);
          predicate = function(key) { return iteratee(iterable[key], key, iterable); };
        }
        var index = findIndexFunc(collection, predicate, fromIndex);
        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
      };
    }

    /**
     * Creates a `_.flow` or `_.flowRight` function.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new flow function.
     */
    function createFlow(fromRight) {
      return flatRest(function(funcs) {
        var length = funcs.length,
            index = length,
            prereq = LodashWrapper.prototype.thru;

        if (fromRight) {
          funcs.reverse();
        }
        while (index--) {
          var func = funcs[index];
          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
            var wrapper = new LodashWrapper([], true);
          }
        }
        index = wrapper ? index : length;
        while (++index < length) {
          func = funcs[index];

          var funcName = getFuncName(func),
              data = funcName == 'wrapper' ? getData(func) : undefined;

          if (data && isLaziable(data[0]) &&
                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
                !data[4].length && data[9] == 1
              ) {
            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
          } else {
            wrapper = (func.length == 1 && isLaziable(func))
              ? wrapper[funcName]()
              : wrapper.thru(func);
          }
        }
        return function() {
          var args = arguments,
              value = args[0];

          if (wrapper && args.length == 1 && isArray(value)) {
            return wrapper.plant(value).value();
          }
          var index = 0,
              result = length ? funcs[index].apply(this, args) : value;

          while (++index < length) {
            result = funcs[index].call(this, result);
          }
          return result;
        };
      });
    }

    /**
     * Creates a function that wraps `func` to invoke it with optional `this`
     * binding of `thisArg`, partial application, and currying.
     *
     * @private
     * @param {Function|string} func The function or method name to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to prepend to those provided to
     *  the new function.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [partialsRight] The arguments to append to those provided
     *  to the new function.
     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
      var isAry = bitmask & WRAP_ARY_FLAG,
          isBind = bitmask & WRAP_BIND_FLAG,
          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
          isFlip = bitmask & WRAP_FLIP_FLAG,
          Ctor = isBindKey ? undefined : createCtor(func);

      function wrapper() {
        var length = arguments.length,
            args = Array(length),
            index = length;

        while (index--) {
          args[index] = arguments[index];
        }
        if (isCurried) {
          var placeholder = getHolder(wrapper),
              holdersCount = countHolders(args, placeholder);
        }
        if (partials) {
          args = composeArgs(args, partials, holders, isCurried);
        }
        if (partialsRight) {
          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
        }
        length -= holdersCount;
        if (isCurried && length < arity) {
          var newHolders = replaceHolders(args, placeholder);
          return createRecurry(
            func, bitmask, createHybrid, wrapper.placeholder, thisArg,
            args, newHolders, argPos, ary, arity - length
          );
        }
        var thisBinding = isBind ? thisArg : this,
            fn = isBindKey ? thisBinding[func] : func;

        length = args.length;
        if (argPos) {
          args = reorder(args, argPos);
        } else if (isFlip && length > 1) {
          args.reverse();
        }
        if (isAry && ary < length) {
          args.length = ary;
        }
        if (this && this !== root && this instanceof wrapper) {
          fn = Ctor || createCtor(fn);
        }
        return fn.apply(thisBinding, args);
      }
      return wrapper;
    }

    /**
     * Creates a function like `_.invertBy`.
     *
     * @private
     * @param {Function} setter The function to set accumulator values.
     * @param {Function} toIteratee The function to resolve iteratees.
     * @returns {Function} Returns the new inverter function.
     */
    function createInverter(setter, toIteratee) {
      return function(object, iteratee) {
        return baseInverter(object, setter, toIteratee(iteratee), {});
      };
    }

    /**
     * Creates a function that performs a mathematical operation on two values.
     *
     * @private
     * @param {Function} operator The function to perform the operation.
     * @param {number} [defaultValue] The value used for `undefined` arguments.
     * @returns {Function} Returns the new mathematical operation function.
     */
    function createMathOperation(operator, defaultValue) {
      return function(value, other) {
        var result;
        if (value === undefined && other === undefined) {
          return defaultValue;
        }
        if (value !== undefined) {
          result = value;
        }
        if (other !== undefined) {
          if (result === undefined) {
            return other;
          }
          if (typeof value == 'string' || typeof other == 'string') {
            value = baseToString(value);
            other = baseToString(other);
          } else {
            value = baseToNumber(value);
            other = baseToNumber(other);
          }
          result = operator(value, other);
        }
        return result;
      };
    }

    /**
     * Creates a function like `_.over`.
     *
     * @private
     * @param {Function} arrayFunc The function to iterate over iteratees.
     * @returns {Function} Returns the new over function.
     */
    function createOver(arrayFunc) {
      return flatRest(function(iteratees) {
        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
        return baseRest(function(args) {
          var thisArg = this;
          return arrayFunc(iteratees, function(iteratee) {
            return apply(iteratee, thisArg, args);
          });
        });
      });
    }

    /**
     * Creates the padding for `string` based on `length`. The `chars` string
     * is truncated if the number of characters exceeds `length`.
     *
     * @private
     * @param {number} length The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padding for `string`.
     */
    function createPadding(length, chars) {
      chars = chars === undefined ? ' ' : baseToString(chars);

      var charsLength = chars.length;
      if (charsLength < 2) {
        return charsLength ? baseRepeat(chars, length) : chars;
      }
      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
      return hasUnicode(chars)
        ? castSlice(stringToArray(result), 0, length).join('')
        : result.slice(0, length);
    }

    /**
     * Creates a function that wraps `func` to invoke it with the `this` binding
     * of `thisArg` and `partials` prepended to the arguments it receives.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {*} thisArg The `this` binding of `func`.
     * @param {Array} partials The arguments to prepend to those provided to
     *  the new function.
     * @returns {Function} Returns the new wrapped function.
     */
    function createPartial(func, bitmask, thisArg, partials) {
      var isBind = bitmask & WRAP_BIND_FLAG,
          Ctor = createCtor(func);

      function wrapper() {
        var argsIndex = -1,
            argsLength = arguments.length,
            leftIndex = -1,
            leftLength = partials.length,
            args = Array(leftLength + argsLength),
            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;

        while (++leftIndex < leftLength) {
          args[leftIndex] = partials[leftIndex];
        }
        while (argsLength--) {
          args[leftIndex++] = arguments[++argsIndex];
        }
        return apply(fn, isBind ? thisArg : this, args);
      }
      return wrapper;
    }

    /**
     * Creates a `_.range` or `_.rangeRight` function.
     *
     * @private
     * @param {boolean} [fromRight] Specify iterating from right to left.
     * @returns {Function} Returns the new range function.
     */
    function createRange(fromRight) {
      return function(start, end, step) {
        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
          end = step = undefined;
        }
        // Ensure the sign of `-0` is preserved.
        start = toFinite(start);
        if (end === undefined) {
          end = start;
          start = 0;
        } else {
          end = toFinite(end);
        }
        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
        return baseRange(start, end, step, fromRight);
      };
    }

    /**
     * Creates a function that performs a relational operation on two values.
     *
     * @private
     * @param {Function} operator The function to perform the operation.
     * @returns {Function} Returns the new relational operation function.
     */
    function createRelationalOperation(operator) {
      return function(value, other) {
        if (!(typeof value == 'string' && typeof other == 'string')) {
          value = toNumber(value);
          other = toNumber(other);
        }
        return operator(value, other);
      };
    }

    /**
     * Creates a function that wraps `func` to continue currying.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @param {Function} wrapFunc The function to create the `func` wrapper.
     * @param {*} placeholder The placeholder value.
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to prepend to those provided to
     *  the new function.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
      var isCurry = bitmask & WRAP_CURRY_FLAG,
          newHolders = isCurry ? holders : undefined,
          newHoldersRight = isCurry ? undefined : holders,
          newPartials = isCurry ? partials : undefined,
          newPartialsRight = isCurry ? undefined : partials;

      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);

      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
      }
      var newData = [
        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
        newHoldersRight, argPos, ary, arity
      ];

      var result = wrapFunc.apply(undefined, newData);
      if (isLaziable(func)) {
        setData(result, newData);
      }
      result.placeholder = placeholder;
      return setWrapToString(result, func, bitmask);
    }

    /**
     * Creates a function like `_.round`.
     *
     * @private
     * @param {string} methodName The name of the `Math` method to use when rounding.
     * @returns {Function} Returns the new round function.
     */
    function createRound(methodName) {
      var func = Math[methodName];
      return function(number, precision) {
        number = toNumber(number);
        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
        if (precision && nativeIsFinite(number)) {
          // Shift with exponential notation to avoid floating-point issues.
          // See [MDN](https://mdn.io/round#Examples) for more details.
          var pair = (toString(number) + 'e').split('e'),
              value = func(pair[0] + 'e' + (+pair[1] + precision));

          pair = (toString(value) + 'e').split('e');
          return +(pair[0] + 'e' + (+pair[1] - precision));
        }
        return func(number);
      };
    }

    /**
     * Creates a set object of `values`.
     *
     * @private
     * @param {Array} values The values to add to the set.
     * @returns {Object} Returns the new set.
     */
    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
      return new Set(values);
    };

    /**
     * Creates a `_.toPairs` or `_.toPairsIn` function.
     *
     * @private
     * @param {Function} keysFunc The function to get the keys of a given object.
     * @returns {Function} Returns the new pairs function.
     */
    function createToPairs(keysFunc) {
      return function(object) {
        var tag = getTag(object);
        if (tag == mapTag) {
          return mapToArray(object);
        }
        if (tag == setTag) {
          return setToPairs(object);
        }
        return baseToPairs(object, keysFunc(object));
      };
    }

    /**
     * Creates a function that either curries or invokes `func` with optional
     * `this` binding and partially applied arguments.
     *
     * @private
     * @param {Function|string} func The function or method name to wrap.
     * @param {number} bitmask The bitmask flags.
     *    1 - `_.bind`
     *    2 - `_.bindKey`
     *    4 - `_.curry` or `_.curryRight` of a bound function
     *    8 - `_.curry`
     *   16 - `_.curryRight`
     *   32 - `_.partial`
     *   64 - `_.partialRight`
     *  128 - `_.rearg`
     *  256 - `_.ary`
     *  512 - `_.flip`
     * @param {*} [thisArg] The `this` binding of `func`.
     * @param {Array} [partials] The arguments to be partially applied.
     * @param {Array} [holders] The `partials` placeholder indexes.
     * @param {Array} [argPos] The argument positions of the new function.
     * @param {number} [ary] The arity cap of `func`.
     * @param {number} [arity] The arity of `func`.
     * @returns {Function} Returns the new wrapped function.
     */
    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
      if (!isBindKey && typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      var length = partials ? partials.length : 0;
      if (!length) {
        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
        partials = holders = undefined;
      }
      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
      arity = arity === undefined ? arity : toInteger(arity);
      length -= holders ? holders.length : 0;

      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
        var partialsRight = partials,
            holdersRight = holders;

        partials = holders = undefined;
      }
      var data = isBindKey ? undefined : getData(func);

      var newData = [
        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
        argPos, ary, arity
      ];

      if (data) {
        mergeData(newData, data);
      }
      func = newData[0];
      bitmask = newData[1];
      thisArg = newData[2];
      partials = newData[3];
      holders = newData[4];
      arity = newData[9] = newData[9] === undefined
        ? (isBindKey ? 0 : func.length)
        : nativeMax(newData[9] - length, 0);

      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
      }
      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
        var result = createBind(func, bitmask, thisArg);
      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
        result = createCurry(func, bitmask, arity);
      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
        result = createPartial(func, bitmask, thisArg, partials);
      } else {
        result = createHybrid.apply(undefined, newData);
      }
      var setter = data ? baseSetData : setData;
      return setWrapToString(setter(result, newData), func, bitmask);
    }

    /**
     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
     * of source objects to the destination object for all destination properties
     * that resolve to `undefined`.
     *
     * @private
     * @param {*} objValue The destination value.
     * @param {*} srcValue The source value.
     * @param {string} key The key of the property to assign.
     * @param {Object} object The parent object of `objValue`.
     * @returns {*} Returns the value to assign.
     */
    function customDefaultsAssignIn(objValue, srcValue, key, object) {
      if (objValue === undefined ||
          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
        return srcValue;
      }
      return objValue;
    }

    /**
     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
     * objects into destination objects that are passed thru.
     *
     * @private
     * @param {*} objValue The destination value.
     * @param {*} srcValue The source value.
     * @param {string} key The key of the property to merge.
     * @param {Object} object The parent object of `objValue`.
     * @param {Object} source The parent object of `srcValue`.
     * @param {Object} [stack] Tracks traversed source values and their merged
     *  counterparts.
     * @returns {*} Returns the value to assign.
     */
    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
      if (isObject(objValue) && isObject(srcValue)) {
        // Recursively merge objects and arrays (susceptible to call stack limits).
        stack.set(srcValue, objValue);
        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
        stack['delete'](srcValue);
      }
      return objValue;
    }

    /**
     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
     * objects.
     *
     * @private
     * @param {*} value The value to inspect.
     * @param {string} key The key of the property to inspect.
     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
     */
    function customOmitClone(value) {
      return isPlainObject(value) ? undefined : value;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for arrays with support for
     * partial deep comparisons.
     *
     * @private
     * @param {Array} array The array to compare.
     * @param {Array} other The other array to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `array` and `other` objects.
     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
     */
    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
          arrLength = array.length,
          othLength = other.length;

      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
        return false;
      }
      // Check that cyclic values are equal.
      var arrStacked = stack.get(array);
      var othStacked = stack.get(other);
      if (arrStacked && othStacked) {
        return arrStacked == other && othStacked == array;
      }
      var index = -1,
          result = true,
          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;

      stack.set(array, other);
      stack.set(other, array);

      // Ignore non-index properties.
      while (++index < arrLength) {
        var arrValue = array[index],
            othValue = other[index];

        if (customizer) {
          var compared = isPartial
            ? customizer(othValue, arrValue, index, other, array, stack)
            : customizer(arrValue, othValue, index, array, other, stack);
        }
        if (compared !== undefined) {
          if (compared) {
            continue;
          }
          result = false;
          break;
        }
        // Recursively compare arrays (susceptible to call stack limits).
        if (seen) {
          if (!arraySome(other, function(othValue, othIndex) {
                if (!cacheHas(seen, othIndex) &&
                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
                  return seen.push(othIndex);
                }
              })) {
            result = false;
            break;
          }
        } else if (!(
              arrValue === othValue ||
                equalFunc(arrValue, othValue, bitmask, customizer, stack)
            )) {
          result = false;
          break;
        }
      }
      stack['delete'](array);
      stack['delete'](other);
      return result;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for comparing objects of
     * the same `toStringTag`.
     *
     * **Note:** This function only supports comparing values with tags of
     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {string} tag The `toStringTag` of the objects to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
      switch (tag) {
        case dataViewTag:
          if ((object.byteLength != other.byteLength) ||
              (object.byteOffset != other.byteOffset)) {
            return false;
          }
          object = object.buffer;
          other = other.buffer;

        case arrayBufferTag:
          if ((object.byteLength != other.byteLength) ||
              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
            return false;
          }
          return true;

        case boolTag:
        case dateTag:
        case numberTag:
          // Coerce booleans to `1` or `0` and dates to milliseconds.
          // Invalid dates are coerced to `NaN`.
          return eq(+object, +other);

        case errorTag:
          return object.name == other.name && object.message == other.message;

        case regexpTag:
        case stringTag:
          // Coerce regexes to strings and treat strings, primitives and objects,
          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
          // for more details.
          return object == (other + '');

        case mapTag:
          var convert = mapToArray;

        case setTag:
          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
          convert || (convert = setToArray);

          if (object.size != other.size && !isPartial) {
            return false;
          }
          // Assume cyclic values are equal.
          var stacked = stack.get(object);
          if (stacked) {
            return stacked == other;
          }
          bitmask |= COMPARE_UNORDERED_FLAG;

          // Recursively compare objects (susceptible to call stack limits).
          stack.set(object, other);
          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
          stack['delete'](object);
          return result;

        case symbolTag:
          if (symbolValueOf) {
            return symbolValueOf.call(object) == symbolValueOf.call(other);
          }
      }
      return false;
    }

    /**
     * A specialized version of `baseIsEqualDeep` for objects with support for
     * partial deep comparisons.
     *
     * @private
     * @param {Object} object The object to compare.
     * @param {Object} other The other object to compare.
     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
     * @param {Function} customizer The function to customize comparisons.
     * @param {Function} equalFunc The function to determine equivalents of values.
     * @param {Object} stack Tracks traversed `object` and `other` objects.
     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
     */
    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
          objProps = getAllKeys(object),
          objLength = objProps.length,
          othProps = getAllKeys(other),
          othLength = othProps.length;

      if (objLength != othLength && !isPartial) {
        return false;
      }
      var index = objLength;
      while (index--) {
        var key = objProps[index];
        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
          return false;
        }
      }
      // Check that cyclic values are equal.
      var objStacked = stack.get(object);
      var othStacked = stack.get(other);
      if (objStacked && othStacked) {
        return objStacked == other && othStacked == object;
      }
      var result = true;
      stack.set(object, other);
      stack.set(other, object);

      var skipCtor = isPartial;
      while (++index < objLength) {
        key = objProps[index];
        var objValue = object[key],
            othValue = other[key];

        if (customizer) {
          var compared = isPartial
            ? customizer(othValue, objValue, key, other, object, stack)
            : customizer(objValue, othValue, key, object, other, stack);
        }
        // Recursively compare objects (susceptible to call stack limits).
        if (!(compared === undefined
              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
              : compared
            )) {
          result = false;
          break;
        }
        skipCtor || (skipCtor = key == 'constructor');
      }
      if (result && !skipCtor) {
        var objCtor = object.constructor,
            othCtor = other.constructor;

        // Non `Object` object instances with different constructors are not equal.
        if (objCtor != othCtor &&
            ('constructor' in object && 'constructor' in other) &&
            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
              typeof othCtor == 'function' && othCtor instanceof othCtor)) {
          result = false;
        }
      }
      stack['delete'](object);
      stack['delete'](other);
      return result;
    }

    /**
     * A specialized version of `baseRest` which flattens the rest array.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @returns {Function} Returns the new function.
     */
    function flatRest(func) {
      return setToString(overRest(func, undefined, flatten), func + '');
    }

    /**
     * Creates an array of own enumerable property names and symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function getAllKeys(object) {
      return baseGetAllKeys(object, keys, getSymbols);
    }

    /**
     * Creates an array of own and inherited enumerable property names and
     * symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names and symbols.
     */
    function getAllKeysIn(object) {
      return baseGetAllKeys(object, keysIn, getSymbolsIn);
    }

    /**
     * Gets metadata for `func`.
     *
     * @private
     * @param {Function} func The function to query.
     * @returns {*} Returns the metadata for `func`.
     */
    var getData = !metaMap ? noop : function(func) {
      return metaMap.get(func);
    };

    /**
     * Gets the name of `func`.
     *
     * @private
     * @param {Function} func The function to query.
     * @returns {string} Returns the function name.
     */
    function getFuncName(func) {
      var result = (func.name + ''),
          array = realNames[result],
          length = hasOwnProperty.call(realNames, result) ? array.length : 0;

      while (length--) {
        var data = array[length],
            otherFunc = data.func;
        if (otherFunc == null || otherFunc == func) {
          return data.name;
        }
      }
      return result;
    }

    /**
     * Gets the argument placeholder value for `func`.
     *
     * @private
     * @param {Function} func The function to inspect.
     * @returns {*} Returns the placeholder value.
     */
    function getHolder(func) {
      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
      return object.placeholder;
    }

    /**
     * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
     * this function returns the custom method, otherwise it returns `baseIteratee`.
     * If arguments are provided, the chosen function is invoked with them and
     * its result is returned.
     *
     * @private
     * @param {*} [value] The value to convert to an iteratee.
     * @param {number} [arity] The arity of the created iteratee.
     * @returns {Function} Returns the chosen function or its result.
     */
    function getIteratee() {
      var result = lodash.iteratee || iteratee;
      result = result === iteratee ? baseIteratee : result;
      return arguments.length ? result(arguments[0], arguments[1]) : result;
    }

    /**
     * Gets the data for `map`.
     *
     * @private
     * @param {Object} map The map to query.
     * @param {string} key The reference key.
     * @returns {*} Returns the map data.
     */
    function getMapData(map, key) {
      var data = map.__data__;
      return isKeyable(key)
        ? data[typeof key == 'string' ? 'string' : 'hash']
        : data.map;
    }

    /**
     * Gets the property names, values, and compare flags of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the match data of `object`.
     */
    function getMatchData(object) {
      var result = keys(object),
          length = result.length;

      while (length--) {
        var key = result[length],
            value = object[key];

        result[length] = [key, value, isStrictComparable(value)];
      }
      return result;
    }

    /**
     * Gets the native function at `key` of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {string} key The key of the method to get.
     * @returns {*} Returns the function if it's native, else `undefined`.
     */
    function getNative(object, key) {
      var value = getValue(object, key);
      return baseIsNative(value) ? value : undefined;
    }

    /**
     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the raw `toStringTag`.
     */
    function getRawTag(value) {
      var isOwn = hasOwnProperty.call(value, symToStringTag),
          tag = value[symToStringTag];

      try {
        value[symToStringTag] = undefined;
        var unmasked = true;
      } catch (e) {}

      var result = nativeObjectToString.call(value);
      if (unmasked) {
        if (isOwn) {
          value[symToStringTag] = tag;
        } else {
          delete value[symToStringTag];
        }
      }
      return result;
    }

    /**
     * Creates an array of the own enumerable symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of symbols.
     */
    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
      if (object == null) {
        return [];
      }
      object = Object(object);
      return arrayFilter(nativeGetSymbols(object), function(symbol) {
        return propertyIsEnumerable.call(object, symbol);
      });
    };

    /**
     * Creates an array of the own and inherited enumerable symbols of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of symbols.
     */
    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
      var result = [];
      while (object) {
        arrayPush(result, getSymbols(object));
        object = getPrototype(object);
      }
      return result;
    };

    /**
     * Gets the `toStringTag` of `value`.
     *
     * @private
     * @param {*} value The value to query.
     * @returns {string} Returns the `toStringTag`.
     */
    var getTag = baseGetTag;

    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
        (Map && getTag(new Map) != mapTag) ||
        (Promise && getTag(Promise.resolve()) != promiseTag) ||
        (Set && getTag(new Set) != setTag) ||
        (WeakMap && getTag(new WeakMap) != weakMapTag)) {
      getTag = function(value) {
        var result = baseGetTag(value),
            Ctor = result == objectTag ? value.constructor : undefined,
            ctorString = Ctor ? toSource(Ctor) : '';

        if (ctorString) {
          switch (ctorString) {
            case dataViewCtorString: return dataViewTag;
            case mapCtorString: return mapTag;
            case promiseCtorString: return promiseTag;
            case setCtorString: return setTag;
            case weakMapCtorString: return weakMapTag;
          }
        }
        return result;
      };
    }

    /**
     * Gets the view, applying any `transforms` to the `start` and `end` positions.
     *
     * @private
     * @param {number} start The start of the view.
     * @param {number} end The end of the view.
     * @param {Array} transforms The transformations to apply to the view.
     * @returns {Object} Returns an object containing the `start` and `end`
     *  positions of the view.
     */
    function getView(start, end, transforms) {
      var index = -1,
          length = transforms.length;

      while (++index < length) {
        var data = transforms[index],
            size = data.size;

        switch (data.type) {
          case 'drop':      start += size; break;
          case 'dropRight': end -= size; break;
          case 'take':      end = nativeMin(end, start + size); break;
          case 'takeRight': start = nativeMax(start, end - size); break;
        }
      }
      return { 'start': start, 'end': end };
    }

    /**
     * Extracts wrapper details from the `source` body comment.
     *
     * @private
     * @param {string} source The source to inspect.
     * @returns {Array} Returns the wrapper details.
     */
    function getWrapDetails(source) {
      var match = source.match(reWrapDetails);
      return match ? match[1].split(reSplitDetails) : [];
    }

    /**
     * Checks if `path` exists on `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @param {Function} hasFunc The function to check properties.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     */
    function hasPath(object, path, hasFunc) {
      path = castPath(path, object);

      var index = -1,
          length = path.length,
          result = false;

      while (++index < length) {
        var key = toKey(path[index]);
        if (!(result = object != null && hasFunc(object, key))) {
          break;
        }
        object = object[key];
      }
      if (result || ++index != length) {
        return result;
      }
      length = object == null ? 0 : object.length;
      return !!length && isLength(length) && isIndex(key, length) &&
        (isArray(object) || isArguments(object));
    }

    /**
     * Initializes an array clone.
     *
     * @private
     * @param {Array} array The array to clone.
     * @returns {Array} Returns the initialized clone.
     */
    function initCloneArray(array) {
      var length = array.length,
          result = new array.constructor(length);

      // Add properties assigned by `RegExp#exec`.
      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
        result.index = array.index;
        result.input = array.input;
      }
      return result;
    }

    /**
     * Initializes an object clone.
     *
     * @private
     * @param {Object} object The object to clone.
     * @returns {Object} Returns the initialized clone.
     */
    function initCloneObject(object) {
      return (typeof object.constructor == 'function' && !isPrototype(object))
        ? baseCreate(getPrototype(object))
        : {};
    }

    /**
     * Initializes an object clone based on its `toStringTag`.
     *
     * **Note:** This function only supports cloning values with tags of
     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
     *
     * @private
     * @param {Object} object The object to clone.
     * @param {string} tag The `toStringTag` of the object to clone.
     * @param {boolean} [isDeep] Specify a deep clone.
     * @returns {Object} Returns the initialized clone.
     */
    function initCloneByTag(object, tag, isDeep) {
      var Ctor = object.constructor;
      switch (tag) {
        case arrayBufferTag:
          return cloneArrayBuffer(object);

        case boolTag:
        case dateTag:
          return new Ctor(+object);

        case dataViewTag:
          return cloneDataView(object, isDeep);

        case float32Tag: case float64Tag:
        case int8Tag: case int16Tag: case int32Tag:
        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
          return cloneTypedArray(object, isDeep);

        case mapTag:
          return new Ctor;

        case numberTag:
        case stringTag:
          return new Ctor(object);

        case regexpTag:
          return cloneRegExp(object);

        case setTag:
          return new Ctor;

        case symbolTag:
          return cloneSymbol(object);
      }
    }

    /**
     * Inserts wrapper `details` in a comment at the top of the `source` body.
     *
     * @private
     * @param {string} source The source to modify.
     * @returns {Array} details The details to insert.
     * @returns {string} Returns the modified source.
     */
    function insertWrapDetails(source, details) {
      var length = details.length;
      if (!length) {
        return source;
      }
      var lastIndex = length - 1;
      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
      details = details.join(length > 2 ? ', ' : ' ');
      return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
    }

    /**
     * Checks if `value` is a flattenable `arguments` object or array.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
     */
    function isFlattenable(value) {
      return isArray(value) || isArguments(value) ||
        !!(spreadableSymbol && value && value[spreadableSymbol]);
    }

    /**
     * Checks if `value` is a valid array-like index.
     *
     * @private
     * @param {*} value The value to check.
     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
     */
    function isIndex(value, length) {
      var type = typeof value;
      length = length == null ? MAX_SAFE_INTEGER : length;

      return !!length &&
        (type == 'number' ||
          (type != 'symbol' && reIsUint.test(value))) &&
            (value > -1 && value % 1 == 0 && value < length);
    }

    /**
     * Checks if the given arguments are from an iteratee call.
     *
     * @private
     * @param {*} value The potential iteratee value argument.
     * @param {*} index The potential iteratee index or key argument.
     * @param {*} object The potential iteratee object argument.
     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
     *  else `false`.
     */
    function isIterateeCall(value, index, object) {
      if (!isObject(object)) {
        return false;
      }
      var type = typeof index;
      if (type == 'number'
            ? (isArrayLike(object) && isIndex(index, object.length))
            : (type == 'string' && index in object)
          ) {
        return eq(object[index], value);
      }
      return false;
    }

    /**
     * Checks if `value` is a property name and not a property path.
     *
     * @private
     * @param {*} value The value to check.
     * @param {Object} [object] The object to query keys on.
     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
     */
    function isKey(value, object) {
      if (isArray(value)) {
        return false;
      }
      var type = typeof value;
      if (type == 'number' || type == 'symbol' || type == 'boolean' ||
          value == null || isSymbol(value)) {
        return true;
      }
      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
        (object != null && value in Object(object));
    }

    /**
     * Checks if `value` is suitable for use as unique object key.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
     */
    function isKeyable(value) {
      var type = typeof value;
      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
        ? (value !== '__proto__')
        : (value === null);
    }

    /**
     * Checks if `func` has a lazy counterpart.
     *
     * @private
     * @param {Function} func The function to check.
     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
     *  else `false`.
     */
    function isLaziable(func) {
      var funcName = getFuncName(func),
          other = lodash[funcName];

      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
        return false;
      }
      if (func === other) {
        return true;
      }
      var data = getData(other);
      return !!data && func === data[0];
    }

    /**
     * Checks if `func` has its source masked.
     *
     * @private
     * @param {Function} func The function to check.
     * @returns {boolean} Returns `true` if `func` is masked, else `false`.
     */
    function isMasked(func) {
      return !!maskSrcKey && (maskSrcKey in func);
    }

    /**
     * Checks if `func` is capable of being masked.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
     */
    var isMaskable = coreJsData ? isFunction : stubFalse;

    /**
     * Checks if `value` is likely a prototype object.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
     */
    function isPrototype(value) {
      var Ctor = value && value.constructor,
          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;

      return value === proto;
    }

    /**
     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
     *
     * @private
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` if suitable for strict
     *  equality comparisons, else `false`.
     */
    function isStrictComparable(value) {
      return value === value && !isObject(value);
    }

    /**
     * A specialized version of `matchesProperty` for source values suitable
     * for strict equality comparisons, i.e. `===`.
     *
     * @private
     * @param {string} key The key of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     */
    function matchesStrictComparable(key, srcValue) {
      return function(object) {
        if (object == null) {
          return false;
        }
        return object[key] === srcValue &&
          (srcValue !== undefined || (key in Object(object)));
      };
    }

    /**
     * A specialized version of `_.memoize` which clears the memoized function's
     * cache when it exceeds `MAX_MEMOIZE_SIZE`.
     *
     * @private
     * @param {Function} func The function to have its output memoized.
     * @returns {Function} Returns the new memoized function.
     */
    function memoizeCapped(func) {
      var result = memoize(func, function(key) {
        if (cache.size === MAX_MEMOIZE_SIZE) {
          cache.clear();
        }
        return key;
      });

      var cache = result.cache;
      return result;
    }

    /**
     * Merges the function metadata of `source` into `data`.
     *
     * Merging metadata reduces the number of wrappers used to invoke a function.
     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
     * may be applied regardless of execution order. Methods like `_.ary` and
     * `_.rearg` modify function arguments, making the order in which they are
     * executed important, preventing the merging of metadata. However, we make
     * an exception for a safe combined case where curried functions have `_.ary`
     * and or `_.rearg` applied.
     *
     * @private
     * @param {Array} data The destination metadata.
     * @param {Array} source The source metadata.
     * @returns {Array} Returns `data`.
     */
    function mergeData(data, source) {
      var bitmask = data[1],
          srcBitmask = source[1],
          newBitmask = bitmask | srcBitmask,
          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);

      var isCombo =
        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));

      // Exit early if metadata can't be merged.
      if (!(isCommon || isCombo)) {
        return data;
      }
      // Use source `thisArg` if available.
      if (srcBitmask & WRAP_BIND_FLAG) {
        data[2] = source[2];
        // Set when currying a bound function.
        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
      }
      // Compose partial arguments.
      var value = source[3];
      if (value) {
        var partials = data[3];
        data[3] = partials ? composeArgs(partials, value, source[4]) : value;
        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
      }
      // Compose partial right arguments.
      value = source[5];
      if (value) {
        partials = data[5];
        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
      }
      // Use source `argPos` if available.
      value = source[7];
      if (value) {
        data[7] = value;
      }
      // Use source `ary` if it's smaller.
      if (srcBitmask & WRAP_ARY_FLAG) {
        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
      }
      // Use source `arity` if one is not provided.
      if (data[9] == null) {
        data[9] = source[9];
      }
      // Use source `func` and merge bitmasks.
      data[0] = source[0];
      data[1] = newBitmask;

      return data;
    }

    /**
     * This function is like
     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
     * except that it includes inherited enumerable properties.
     *
     * @private
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     */
    function nativeKeysIn(object) {
      var result = [];
      if (object != null) {
        for (var key in Object(object)) {
          result.push(key);
        }
      }
      return result;
    }

    /**
     * Converts `value` to a string using `Object.prototype.toString`.
     *
     * @private
     * @param {*} value The value to convert.
     * @returns {string} Returns the converted string.
     */
    function objectToString(value) {
      return nativeObjectToString.call(value);
    }

    /**
     * A specialized version of `baseRest` which transforms the rest array.
     *
     * @private
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @param {Function} transform The rest array transform.
     * @returns {Function} Returns the new function.
     */
    function overRest(func, start, transform) {
      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
      return function() {
        var args = arguments,
            index = -1,
            length = nativeMax(args.length - start, 0),
            array = Array(length);

        while (++index < length) {
          array[index] = args[start + index];
        }
        index = -1;
        var otherArgs = Array(start + 1);
        while (++index < start) {
          otherArgs[index] = args[index];
        }
        otherArgs[start] = transform(array);
        return apply(func, this, otherArgs);
      };
    }

    /**
     * Gets the parent value at `path` of `object`.
     *
     * @private
     * @param {Object} object The object to query.
     * @param {Array} path The path to get the parent value of.
     * @returns {*} Returns the parent value.
     */
    function parent(object, path) {
      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
    }

    /**
     * Reorder `array` according to the specified indexes where the element at
     * the first index is assigned as the first element, the element at
     * the second index is assigned as the second element, and so on.
     *
     * @private
     * @param {Array} array The array to reorder.
     * @param {Array} indexes The arranged array indexes.
     * @returns {Array} Returns `array`.
     */
    function reorder(array, indexes) {
      var arrLength = array.length,
          length = nativeMin(indexes.length, arrLength),
          oldArray = copyArray(array);

      while (length--) {
        var index = indexes[length];
        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
      }
      return array;
    }

    /**
     * Gets the value at `key`, unless `key` is "__proto__" or "constructor".
     *
     * @private
     * @param {Object} object The object to query.
     * @param {string} key The key of the property to get.
     * @returns {*} Returns the property value.
     */
    function safeGet(object, key) {
      if (key === 'constructor' && typeof object[key] === 'function') {
        return;
      }

      if (key == '__proto__') {
        return;
      }

      return object[key];
    }

    /**
     * Sets metadata for `func`.
     *
     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
     * period of time, it will trip its breaker and transition to an identity
     * function to avoid garbage collection pauses in V8. See
     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
     * for more details.
     *
     * @private
     * @param {Function} func The function to associate metadata with.
     * @param {*} data The metadata.
     * @returns {Function} Returns `func`.
     */
    var setData = shortOut(baseSetData);

    /**
     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
     *
     * @private
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @returns {number|Object} Returns the timer id or timeout object.
     */
    var setTimeout = ctxSetTimeout || function(func, wait) {
      return root.setTimeout(func, wait);
    };

    /**
     * Sets the `toString` method of `func` to return `string`.
     *
     * @private
     * @param {Function} func The function to modify.
     * @param {Function} string The `toString` result.
     * @returns {Function} Returns `func`.
     */
    var setToString = shortOut(baseSetToString);

    /**
     * Sets the `toString` method of `wrapper` to mimic the source of `reference`
     * with wrapper details in a comment at the top of the source body.
     *
     * @private
     * @param {Function} wrapper The function to modify.
     * @param {Function} reference The reference function.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @returns {Function} Returns `wrapper`.
     */
    function setWrapToString(wrapper, reference, bitmask) {
      var source = (reference + '');
      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
    }

    /**
     * Creates a function that'll short out and invoke `identity` instead
     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
     * milliseconds.
     *
     * @private
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new shortable function.
     */
    function shortOut(func) {
      var count = 0,
          lastCalled = 0;

      return function() {
        var stamp = nativeNow(),
            remaining = HOT_SPAN - (stamp - lastCalled);

        lastCalled = stamp;
        if (remaining > 0) {
          if (++count >= HOT_COUNT) {
            return arguments[0];
          }
        } else {
          count = 0;
        }
        return func.apply(undefined, arguments);
      };
    }

    /**
     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
     *
     * @private
     * @param {Array} array The array to shuffle.
     * @param {number} [size=array.length] The size of `array`.
     * @returns {Array} Returns `array`.
     */
    function shuffleSelf(array, size) {
      var index = -1,
          length = array.length,
          lastIndex = length - 1;

      size = size === undefined ? length : size;
      while (++index < size) {
        var rand = baseRandom(index, lastIndex),
            value = array[rand];

        array[rand] = array[index];
        array[index] = value;
      }
      array.length = size;
      return array;
    }

    /**
     * Converts `string` to a property path array.
     *
     * @private
     * @param {string} string The string to convert.
     * @returns {Array} Returns the property path array.
     */
    var stringToPath = memoizeCapped(function(string) {
      var result = [];
      if (string.charCodeAt(0) === 46 /* . */) {
        result.push('');
      }
      string.replace(rePropName, function(match, number, quote, subString) {
        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
      });
      return result;
    });

    /**
     * Converts `value` to a string key if it's not a string or symbol.
     *
     * @private
     * @param {*} value The value to inspect.
     * @returns {string|symbol} Returns the key.
     */
    function toKey(value) {
      if (typeof value == 'string' || isSymbol(value)) {
        return value;
      }
      var result = (value + '');
      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
    }

    /**
     * Converts `func` to its source code.
     *
     * @private
     * @param {Function} func The function to convert.
     * @returns {string} Returns the source code.
     */
    function toSource(func) {
      if (func != null) {
        try {
          return funcToString.call(func);
        } catch (e) {}
        try {
          return (func + '');
        } catch (e) {}
      }
      return '';
    }

    /**
     * Updates wrapper `details` based on `bitmask` flags.
     *
     * @private
     * @returns {Array} details The details to modify.
     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
     * @returns {Array} Returns `details`.
     */
    function updateWrapDetails(details, bitmask) {
      arrayEach(wrapFlags, function(pair) {
        var value = '_.' + pair[0];
        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
          details.push(value);
        }
      });
      return details.sort();
    }

    /**
     * Creates a clone of `wrapper`.
     *
     * @private
     * @param {Object} wrapper The wrapper to clone.
     * @returns {Object} Returns the cloned wrapper.
     */
    function wrapperClone(wrapper) {
      if (wrapper instanceof LazyWrapper) {
        return wrapper.clone();
      }
      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
      result.__actions__ = copyArray(wrapper.__actions__);
      result.__index__  = wrapper.__index__;
      result.__values__ = wrapper.__values__;
      return result;
    }

    /*------------------------------------------------------------------------*/

    /**
     * Creates an array of elements split into groups the length of `size`.
     * If `array` can't be split evenly, the final chunk will be the remaining
     * elements.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to process.
     * @param {number} [size=1] The length of each chunk
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the new array of chunks.
     * @example
     *
     * _.chunk(['a', 'b', 'c', 'd'], 2);
     * // => [['a', 'b'], ['c', 'd']]
     *
     * _.chunk(['a', 'b', 'c', 'd'], 3);
     * // => [['a', 'b', 'c'], ['d']]
     */
    function chunk(array, size, guard) {
      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
        size = 1;
      } else {
        size = nativeMax(toInteger(size), 0);
      }
      var length = array == null ? 0 : array.length;
      if (!length || size < 1) {
        return [];
      }
      var index = 0,
          resIndex = 0,
          result = Array(nativeCeil(length / size));

      while (index < length) {
        result[resIndex++] = baseSlice(array, index, (index += size));
      }
      return result;
    }

    /**
     * Creates an array with all falsey values removed. The values `false`, `null`,
     * `0`, `""`, `undefined`, and `NaN` are falsey.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to compact.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.compact([0, 1, false, 2, '', 3]);
     * // => [1, 2, 3]
     */
    function compact(array) {
      var index = -1,
          length = array == null ? 0 : array.length,
          resIndex = 0,
          result = [];

      while (++index < length) {
        var value = array[index];
        if (value) {
          result[resIndex++] = value;
        }
      }
      return result;
    }

    /**
     * Creates a new array concatenating `array` with any additional arrays
     * and/or values.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to concatenate.
     * @param {...*} [values] The values to concatenate.
     * @returns {Array} Returns the new concatenated array.
     * @example
     *
     * var array = [1];
     * var other = _.concat(array, 2, [3], [[4]]);
     *
     * console.log(other);
     * // => [1, 2, 3, [4]]
     *
     * console.log(array);
     * // => [1]
     */
    function concat() {
      var length = arguments.length;
      if (!length) {
        return [];
      }
      var args = Array(length - 1),
          array = arguments[0],
          index = length;

      while (index--) {
        args[index - 1] = arguments[index];
      }
      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
    }

    /**
     * Creates an array of `array` values not included in the other given arrays
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. The order and references of result values are
     * determined by the first array.
     *
     * **Note:** Unlike `_.pullAll`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.without, _.xor
     * @example
     *
     * _.difference([2, 1], [2, 3]);
     * // => [1]
     */
    var difference = baseRest(function(array, values) {
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
        : [];
    });

    /**
     * This method is like `_.difference` except that it accepts `iteratee` which
     * is invoked for each element of `array` and `values` to generate the criterion
     * by which they're compared. The order and references of result values are
     * determined by the first array. The iteratee is invoked with one argument:
     * (value).
     *
     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
     * // => [{ 'x': 2 }]
     */
    var differenceBy = baseRest(function(array, values) {
      var iteratee = last(values);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
        : [];
    });

    /**
     * This method is like `_.difference` except that it accepts `comparator`
     * which is invoked to compare elements of `array` to `values`. The order and
     * references of result values are determined by the first array. The comparator
     * is invoked with two arguments: (arrVal, othVal).
     *
     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...Array} [values] The values to exclude.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     *
     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
     * // => [{ 'x': 2, 'y': 1 }]
     */
    var differenceWith = baseRest(function(array, values) {
      var comparator = last(values);
      if (isArrayLikeObject(comparator)) {
        comparator = undefined;
      }
      return isArrayLikeObject(array)
        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
        : [];
    });

    /**
     * Creates a slice of `array` with `n` elements dropped from the beginning.
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to drop.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.drop([1, 2, 3]);
     * // => [2, 3]
     *
     * _.drop([1, 2, 3], 2);
     * // => [3]
     *
     * _.drop([1, 2, 3], 5);
     * // => []
     *
     * _.drop([1, 2, 3], 0);
     * // => [1, 2, 3]
     */
    function drop(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      return baseSlice(array, n < 0 ? 0 : n, length);
    }

    /**
     * Creates a slice of `array` with `n` elements dropped from the end.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to drop.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.dropRight([1, 2, 3]);
     * // => [1, 2]
     *
     * _.dropRight([1, 2, 3], 2);
     * // => [1]
     *
     * _.dropRight([1, 2, 3], 5);
     * // => []
     *
     * _.dropRight([1, 2, 3], 0);
     * // => [1, 2, 3]
     */
    function dropRight(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      n = length - n;
      return baseSlice(array, 0, n < 0 ? 0 : n);
    }

    /**
     * Creates a slice of `array` excluding elements dropped from the end.
     * Elements are dropped until `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.dropRightWhile(users, function(o) { return !o.active; });
     * // => objects for ['barney']
     *
     * // The `_.matches` iteratee shorthand.
     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
     * // => objects for ['barney', 'fred']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.dropRightWhile(users, ['active', false]);
     * // => objects for ['barney']
     *
     * // The `_.property` iteratee shorthand.
     * _.dropRightWhile(users, 'active');
     * // => objects for ['barney', 'fred', 'pebbles']
     */
    function dropRightWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), true, true)
        : [];
    }

    /**
     * Creates a slice of `array` excluding elements dropped from the beginning.
     * Elements are dropped until `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.dropWhile(users, function(o) { return !o.active; });
     * // => objects for ['pebbles']
     *
     * // The `_.matches` iteratee shorthand.
     * _.dropWhile(users, { 'user': 'barney', 'active': false });
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.dropWhile(users, ['active', false]);
     * // => objects for ['pebbles']
     *
     * // The `_.property` iteratee shorthand.
     * _.dropWhile(users, 'active');
     * // => objects for ['barney', 'fred', 'pebbles']
     */
    function dropWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), true)
        : [];
    }

    /**
     * Fills elements of `array` with `value` from `start` up to, but not
     * including, `end`.
     *
     * **Note:** This method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Array
     * @param {Array} array The array to fill.
     * @param {*} value The value to fill `array` with.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _.fill(array, 'a');
     * console.log(array);
     * // => ['a', 'a', 'a']
     *
     * _.fill(Array(3), 2);
     * // => [2, 2, 2]
     *
     * _.fill([4, 6, 8, 10], '*', 1, 3);
     * // => [4, '*', '*', 10]
     */
    function fill(array, value, start, end) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
        start = 0;
        end = length;
      }
      return baseFill(array, value, start, end);
    }

    /**
     * This method is like `_.find` except that it returns the index of the first
     * element `predicate` returns truthy for instead of the element itself.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {number} Returns the index of the found element, else `-1`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.findIndex(users, function(o) { return o.user == 'barney'; });
     * // => 0
     *
     * // The `_.matches` iteratee shorthand.
     * _.findIndex(users, { 'user': 'fred', 'active': false });
     * // => 1
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findIndex(users, ['active', false]);
     * // => 0
     *
     * // The `_.property` iteratee shorthand.
     * _.findIndex(users, 'active');
     * // => 2
     */
    function findIndex(array, predicate, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = fromIndex == null ? 0 : toInteger(fromIndex);
      if (index < 0) {
        index = nativeMax(length + index, 0);
      }
      return baseFindIndex(array, getIteratee(predicate, 3), index);
    }

    /**
     * This method is like `_.findIndex` except that it iterates over elements
     * of `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=array.length-1] The index to search from.
     * @returns {number} Returns the index of the found element, else `-1`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
     * // => 2
     *
     * // The `_.matches` iteratee shorthand.
     * _.findLastIndex(users, { 'user': 'barney', 'active': true });
     * // => 0
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findLastIndex(users, ['active', false]);
     * // => 2
     *
     * // The `_.property` iteratee shorthand.
     * _.findLastIndex(users, 'active');
     * // => 0
     */
    function findLastIndex(array, predicate, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = length - 1;
      if (fromIndex !== undefined) {
        index = toInteger(fromIndex);
        index = fromIndex < 0
          ? nativeMax(length + index, 0)
          : nativeMin(index, length - 1);
      }
      return baseFindIndex(array, getIteratee(predicate, 3), index, true);
    }

    /**
     * Flattens `array` a single level deep.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * _.flatten([1, [2, [3, [4]], 5]]);
     * // => [1, 2, [3, [4]], 5]
     */
    function flatten(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseFlatten(array, 1) : [];
    }

    /**
     * Recursively flattens `array`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * _.flattenDeep([1, [2, [3, [4]], 5]]);
     * // => [1, 2, 3, 4, 5]
     */
    function flattenDeep(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseFlatten(array, INFINITY) : [];
    }

    /**
     * Recursively flatten `array` up to `depth` times.
     *
     * @static
     * @memberOf _
     * @since 4.4.0
     * @category Array
     * @param {Array} array The array to flatten.
     * @param {number} [depth=1] The maximum recursion depth.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * var array = [1, [2, [3, [4]], 5]];
     *
     * _.flattenDepth(array, 1);
     * // => [1, 2, [3, [4]], 5]
     *
     * _.flattenDepth(array, 2);
     * // => [1, 2, 3, [4], 5]
     */
    function flattenDepth(array, depth) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      depth = depth === undefined ? 1 : toInteger(depth);
      return baseFlatten(array, depth);
    }

    /**
     * The inverse of `_.toPairs`; this method returns an object composed
     * from key-value `pairs`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} pairs The key-value pairs.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.fromPairs([['a', 1], ['b', 2]]);
     * // => { 'a': 1, 'b': 2 }
     */
    function fromPairs(pairs) {
      var index = -1,
          length = pairs == null ? 0 : pairs.length,
          result = {};

      while (++index < length) {
        var pair = pairs[index];
        result[pair[0]] = pair[1];
      }
      return result;
    }

    /**
     * Gets the first element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @alias first
     * @category Array
     * @param {Array} array The array to query.
     * @returns {*} Returns the first element of `array`.
     * @example
     *
     * _.head([1, 2, 3]);
     * // => 1
     *
     * _.head([]);
     * // => undefined
     */
    function head(array) {
      return (array && array.length) ? array[0] : undefined;
    }

    /**
     * Gets the index at which the first occurrence of `value` is found in `array`
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. If `fromIndex` is negative, it's used as the
     * offset from the end of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.indexOf([1, 2, 1, 2], 2);
     * // => 1
     *
     * // Search from the `fromIndex`.
     * _.indexOf([1, 2, 1, 2], 2, 2);
     * // => 3
     */
    function indexOf(array, value, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = fromIndex == null ? 0 : toInteger(fromIndex);
      if (index < 0) {
        index = nativeMax(length + index, 0);
      }
      return baseIndexOf(array, value, index);
    }

    /**
     * Gets all but the last element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.initial([1, 2, 3]);
     * // => [1, 2]
     */
    function initial(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 0, -1) : [];
    }

    /**
     * Creates an array of unique values that are included in all given arrays
     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons. The order and references of result values are
     * determined by the first array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * _.intersection([2, 1], [2, 3]);
     * // => [2]
     */
    var intersection = baseRest(function(arrays) {
      var mapped = arrayMap(arrays, castArrayLikeObject);
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped)
        : [];
    });

    /**
     * This method is like `_.intersection` except that it accepts `iteratee`
     * which is invoked for each element of each `arrays` to generate the criterion
     * by which they're compared. The order and references of result values are
     * determined by the first array. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [2.1]
     *
     * // The `_.property` iteratee shorthand.
     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }]
     */
    var intersectionBy = baseRest(function(arrays) {
      var iteratee = last(arrays),
          mapped = arrayMap(arrays, castArrayLikeObject);

      if (iteratee === last(mapped)) {
        iteratee = undefined;
      } else {
        mapped.pop();
      }
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped, getIteratee(iteratee, 2))
        : [];
    });

    /**
     * This method is like `_.intersection` except that it accepts `comparator`
     * which is invoked to compare elements of `arrays`. The order and references
     * of result values are determined by the first array. The comparator is
     * invoked with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of intersecting values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.intersectionWith(objects, others, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }]
     */
    var intersectionWith = baseRest(function(arrays) {
      var comparator = last(arrays),
          mapped = arrayMap(arrays, castArrayLikeObject);

      comparator = typeof comparator == 'function' ? comparator : undefined;
      if (comparator) {
        mapped.pop();
      }
      return (mapped.length && mapped[0] === arrays[0])
        ? baseIntersection(mapped, undefined, comparator)
        : [];
    });

    /**
     * Converts all elements in `array` into a string separated by `separator`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to convert.
     * @param {string} [separator=','] The element separator.
     * @returns {string} Returns the joined string.
     * @example
     *
     * _.join(['a', 'b', 'c'], '~');
     * // => 'a~b~c'
     */
    function join(array, separator) {
      return array == null ? '' : nativeJoin.call(array, separator);
    }

    /**
     * Gets the last element of `array`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {*} Returns the last element of `array`.
     * @example
     *
     * _.last([1, 2, 3]);
     * // => 3
     */
    function last(array) {
      var length = array == null ? 0 : array.length;
      return length ? array[length - 1] : undefined;
    }

    /**
     * This method is like `_.indexOf` except that it iterates over elements of
     * `array` from right to left.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=array.length-1] The index to search from.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.lastIndexOf([1, 2, 1, 2], 2);
     * // => 3
     *
     * // Search from the `fromIndex`.
     * _.lastIndexOf([1, 2, 1, 2], 2, 2);
     * // => 1
     */
    function lastIndexOf(array, value, fromIndex) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return -1;
      }
      var index = length;
      if (fromIndex !== undefined) {
        index = toInteger(fromIndex);
        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
      }
      return value === value
        ? strictLastIndexOf(array, value, index)
        : baseFindIndex(array, baseIsNaN, index, true);
    }

    /**
     * Gets the element at index `n` of `array`. If `n` is negative, the nth
     * element from the end is returned.
     *
     * @static
     * @memberOf _
     * @since 4.11.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=0] The index of the element to return.
     * @returns {*} Returns the nth element of `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'd'];
     *
     * _.nth(array, 1);
     * // => 'b'
     *
     * _.nth(array, -2);
     * // => 'c';
     */
    function nth(array, n) {
      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
    }

    /**
     * Removes all given values from `array` using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
     * to remove elements from an array by predicate.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {...*} [values] The values to remove.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
     *
     * _.pull(array, 'a', 'c');
     * console.log(array);
     * // => ['b', 'b']
     */
    var pull = baseRest(pullAll);

    /**
     * This method is like `_.pull` except that it accepts an array of values to remove.
     *
     * **Note:** Unlike `_.difference`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
     *
     * _.pullAll(array, ['a', 'c']);
     * console.log(array);
     * // => ['b', 'b']
     */
    function pullAll(array, values) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values)
        : array;
    }

    /**
     * This method is like `_.pullAll` except that it accepts `iteratee` which is
     * invoked for each element of `array` and `values` to generate the criterion
     * by which they're compared. The iteratee is invoked with one argument: (value).
     *
     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
     *
     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
     * console.log(array);
     * // => [{ 'x': 2 }]
     */
    function pullAllBy(array, values, iteratee) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values, getIteratee(iteratee, 2))
        : array;
    }

    /**
     * This method is like `_.pullAll` except that it accepts `comparator` which
     * is invoked to compare elements of `array` to `values`. The comparator is
     * invoked with two arguments: (arrVal, othVal).
     *
     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Array} values The values to remove.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
     *
     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
     * console.log(array);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
     */
    function pullAllWith(array, values, comparator) {
      return (array && array.length && values && values.length)
        ? basePullAll(array, values, undefined, comparator)
        : array;
    }

    /**
     * Removes elements from `array` corresponding to `indexes` and returns an
     * array of removed elements.
     *
     * **Note:** Unlike `_.at`, this method mutates `array`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {...(number|number[])} [indexes] The indexes of elements to remove.
     * @returns {Array} Returns the new array of removed elements.
     * @example
     *
     * var array = ['a', 'b', 'c', 'd'];
     * var pulled = _.pullAt(array, [1, 3]);
     *
     * console.log(array);
     * // => ['a', 'c']
     *
     * console.log(pulled);
     * // => ['b', 'd']
     */
    var pullAt = flatRest(function(array, indexes) {
      var length = array == null ? 0 : array.length,
          result = baseAt(array, indexes);

      basePullAt(array, arrayMap(indexes, function(index) {
        return isIndex(index, length) ? +index : index;
      }).sort(compareAscending));

      return result;
    });

    /**
     * Removes all elements from `array` that `predicate` returns truthy for
     * and returns an array of the removed elements. The predicate is invoked
     * with three arguments: (value, index, array).
     *
     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
     * to pull elements from an array by value.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new array of removed elements.
     * @example
     *
     * var array = [1, 2, 3, 4];
     * var evens = _.remove(array, function(n) {
     *   return n % 2 == 0;
     * });
     *
     * console.log(array);
     * // => [1, 3]
     *
     * console.log(evens);
     * // => [2, 4]
     */
    function remove(array, predicate) {
      var result = [];
      if (!(array && array.length)) {
        return result;
      }
      var index = -1,
          indexes = [],
          length = array.length;

      predicate = getIteratee(predicate, 3);
      while (++index < length) {
        var value = array[index];
        if (predicate(value, index, array)) {
          result.push(value);
          indexes.push(index);
        }
      }
      basePullAt(array, indexes);
      return result;
    }

    /**
     * Reverses `array` so that the first element becomes the last, the second
     * element becomes the second to last, and so on.
     *
     * **Note:** This method mutates `array` and is based on
     * [`Array#reverse`](https://mdn.io/Array/reverse).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to modify.
     * @returns {Array} Returns `array`.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _.reverse(array);
     * // => [3, 2, 1]
     *
     * console.log(array);
     * // => [3, 2, 1]
     */
    function reverse(array) {
      return array == null ? array : nativeReverse.call(array);
    }

    /**
     * Creates a slice of `array` from `start` up to, but not including, `end`.
     *
     * **Note:** This method is used instead of
     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
     * returned.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to slice.
     * @param {number} [start=0] The start position.
     * @param {number} [end=array.length] The end position.
     * @returns {Array} Returns the slice of `array`.
     */
    function slice(array, start, end) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
        start = 0;
        end = length;
      }
      else {
        start = start == null ? 0 : toInteger(start);
        end = end === undefined ? length : toInteger(end);
      }
      return baseSlice(array, start, end);
    }

    /**
     * Uses a binary search to determine the lowest index at which `value`
     * should be inserted into `array` in order to maintain its sort order.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * _.sortedIndex([30, 50], 40);
     * // => 1
     */
    function sortedIndex(array, value) {
      return baseSortedIndex(array, value);
    }

    /**
     * This method is like `_.sortedIndex` except that it accepts `iteratee`
     * which is invoked for `value` and each element of `array` to compute their
     * sort ranking. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * var objects = [{ 'x': 4 }, { 'x': 5 }];
     *
     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
     * // => 0
     *
     * // The `_.property` iteratee shorthand.
     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
     * // => 0
     */
    function sortedIndexBy(array, value, iteratee) {
      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
    }

    /**
     * This method is like `_.indexOf` except that it performs a binary
     * search on a sorted `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
     * // => 1
     */
    function sortedIndexOf(array, value) {
      var length = array == null ? 0 : array.length;
      if (length) {
        var index = baseSortedIndex(array, value);
        if (index < length && eq(array[index], value)) {
          return index;
        }
      }
      return -1;
    }

    /**
     * This method is like `_.sortedIndex` except that it returns the highest
     * index at which `value` should be inserted into `array` in order to
     * maintain its sort order.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
     * // => 4
     */
    function sortedLastIndex(array, value) {
      return baseSortedIndex(array, value, true);
    }

    /**
     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
     * which is invoked for `value` and each element of `array` to compute their
     * sort ranking. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The sorted array to inspect.
     * @param {*} value The value to evaluate.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the index at which `value` should be inserted
     *  into `array`.
     * @example
     *
     * var objects = [{ 'x': 4 }, { 'x': 5 }];
     *
     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
     * // => 1
     *
     * // The `_.property` iteratee shorthand.
     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
     * // => 1
     */
    function sortedLastIndexBy(array, value, iteratee) {
      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
    }

    /**
     * This method is like `_.lastIndexOf` except that it performs a binary
     * search on a sorted `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {*} value The value to search for.
     * @returns {number} Returns the index of the matched value, else `-1`.
     * @example
     *
     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
     * // => 3
     */
    function sortedLastIndexOf(array, value) {
      var length = array == null ? 0 : array.length;
      if (length) {
        var index = baseSortedIndex(array, value, true) - 1;
        if (eq(array[index], value)) {
          return index;
        }
      }
      return -1;
    }

    /**
     * This method is like `_.uniq` except that it's designed and optimized
     * for sorted arrays.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.sortedUniq([1, 1, 2]);
     * // => [1, 2]
     */
    function sortedUniq(array) {
      return (array && array.length)
        ? baseSortedUniq(array)
        : [];
    }

    /**
     * This method is like `_.uniqBy` except that it's designed and optimized
     * for sorted arrays.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
     * // => [1.1, 2.3]
     */
    function sortedUniqBy(array, iteratee) {
      return (array && array.length)
        ? baseSortedUniq(array, getIteratee(iteratee, 2))
        : [];
    }

    /**
     * Gets all but the first element of `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.tail([1, 2, 3]);
     * // => [2, 3]
     */
    function tail(array) {
      var length = array == null ? 0 : array.length;
      return length ? baseSlice(array, 1, length) : [];
    }

    /**
     * Creates a slice of `array` with `n` elements taken from the beginning.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to take.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.take([1, 2, 3]);
     * // => [1]
     *
     * _.take([1, 2, 3], 2);
     * // => [1, 2]
     *
     * _.take([1, 2, 3], 5);
     * // => [1, 2, 3]
     *
     * _.take([1, 2, 3], 0);
     * // => []
     */
    function take(array, n, guard) {
      if (!(array && array.length)) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      return baseSlice(array, 0, n < 0 ? 0 : n);
    }

    /**
     * Creates a slice of `array` with `n` elements taken from the end.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {number} [n=1] The number of elements to take.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * _.takeRight([1, 2, 3]);
     * // => [3]
     *
     * _.takeRight([1, 2, 3], 2);
     * // => [2, 3]
     *
     * _.takeRight([1, 2, 3], 5);
     * // => [1, 2, 3]
     *
     * _.takeRight([1, 2, 3], 0);
     * // => []
     */
    function takeRight(array, n, guard) {
      var length = array == null ? 0 : array.length;
      if (!length) {
        return [];
      }
      n = (guard || n === undefined) ? 1 : toInteger(n);
      n = length - n;
      return baseSlice(array, n < 0 ? 0 : n, length);
    }

    /**
     * Creates a slice of `array` with elements taken from the end. Elements are
     * taken until `predicate` returns falsey. The predicate is invoked with
     * three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': true },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': false }
     * ];
     *
     * _.takeRightWhile(users, function(o) { return !o.active; });
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.matches` iteratee shorthand.
     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
     * // => objects for ['pebbles']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.takeRightWhile(users, ['active', false]);
     * // => objects for ['fred', 'pebbles']
     *
     * // The `_.property` iteratee shorthand.
     * _.takeRightWhile(users, 'active');
     * // => []
     */
    function takeRightWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3), false, true)
        : [];
    }

    /**
     * Creates a slice of `array` with elements taken from the beginning. Elements
     * are taken until `predicate` returns falsey. The predicate is invoked with
     * three arguments: (value, index, array).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Array
     * @param {Array} array The array to query.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the slice of `array`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'active': false },
     *   { 'user': 'fred',    'active': false },
     *   { 'user': 'pebbles', 'active': true }
     * ];
     *
     * _.takeWhile(users, function(o) { return !o.active; });
     * // => objects for ['barney', 'fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.takeWhile(users, { 'user': 'barney', 'active': false });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.takeWhile(users, ['active', false]);
     * // => objects for ['barney', 'fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.takeWhile(users, 'active');
     * // => []
     */
    function takeWhile(array, predicate) {
      return (array && array.length)
        ? baseWhile(array, getIteratee(predicate, 3))
        : [];
    }

    /**
     * Creates an array of unique values, in order, from all given arrays using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * _.union([2], [1, 2]);
     * // => [2, 1]
     */
    var union = baseRest(function(arrays) {
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
    });

    /**
     * This method is like `_.union` except that it accepts `iteratee` which is
     * invoked for each element of each `arrays` to generate the criterion by
     * which uniqueness is computed. Result values are chosen from the first
     * array in which the value occurs. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * _.unionBy([2.1], [1.2, 2.3], Math.floor);
     * // => [2.1, 1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }, { 'x': 2 }]
     */
    var unionBy = baseRest(function(arrays) {
      var iteratee = last(arrays);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
    });

    /**
     * This method is like `_.union` except that it accepts `comparator` which
     * is invoked to compare elements of `arrays`. Result values are chosen from
     * the first array in which the value occurs. The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of combined values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.unionWith(objects, others, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
     */
    var unionWith = baseRest(function(arrays) {
      var comparator = last(arrays);
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
    });

    /**
     * Creates a duplicate-free version of an array, using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons, in which only the first occurrence of each element
     * is kept. The order of result values is determined by the order they occur
     * in the array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.uniq([2, 1, 2]);
     * // => [2, 1]
     */
    function uniq(array) {
      return (array && array.length) ? baseUniq(array) : [];
    }

    /**
     * This method is like `_.uniq` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * uniqueness is computed. The order of result values is determined by the
     * order they occur in the array. The iteratee is invoked with one argument:
     * (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
     * // => [2.1, 1.2]
     *
     * // The `_.property` iteratee shorthand.
     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 1 }, { 'x': 2 }]
     */
    function uniqBy(array, iteratee) {
      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
    }

    /**
     * This method is like `_.uniq` except that it accepts `comparator` which
     * is invoked to compare elements of `array`. The order of result values is
     * determined by the order they occur in the array.The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new duplicate free array.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.uniqWith(objects, _.isEqual);
     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
     */
    function uniqWith(array, comparator) {
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
    }

    /**
     * This method is like `_.zip` except that it accepts an array of grouped
     * elements and creates an array regrouping the elements to their pre-zip
     * configuration.
     *
     * @static
     * @memberOf _
     * @since 1.2.0
     * @category Array
     * @param {Array} array The array of grouped elements to process.
     * @returns {Array} Returns the new array of regrouped elements.
     * @example
     *
     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
     * // => [['a', 1, true], ['b', 2, false]]
     *
     * _.unzip(zipped);
     * // => [['a', 'b'], [1, 2], [true, false]]
     */
    function unzip(array) {
      if (!(array && array.length)) {
        return [];
      }
      var length = 0;
      array = arrayFilter(array, function(group) {
        if (isArrayLikeObject(group)) {
          length = nativeMax(group.length, length);
          return true;
        }
      });
      return baseTimes(length, function(index) {
        return arrayMap(array, baseProperty(index));
      });
    }

    /**
     * This method is like `_.unzip` except that it accepts `iteratee` to specify
     * how regrouped values should be combined. The iteratee is invoked with the
     * elements of each group: (...group).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Array
     * @param {Array} array The array of grouped elements to process.
     * @param {Function} [iteratee=_.identity] The function to combine
     *  regrouped values.
     * @returns {Array} Returns the new array of regrouped elements.
     * @example
     *
     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
     * // => [[1, 10, 100], [2, 20, 200]]
     *
     * _.unzipWith(zipped, _.add);
     * // => [3, 30, 300]
     */
    function unzipWith(array, iteratee) {
      if (!(array && array.length)) {
        return [];
      }
      var result = unzip(array);
      if (iteratee == null) {
        return result;
      }
      return arrayMap(result, function(group) {
        return apply(iteratee, undefined, group);
      });
    }

    /**
     * Creates an array excluding all given values using
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * for equality comparisons.
     *
     * **Note:** Unlike `_.pull`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {Array} array The array to inspect.
     * @param {...*} [values] The values to exclude.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.difference, _.xor
     * @example
     *
     * _.without([2, 1, 2, 3], 1, 2);
     * // => [3]
     */
    var without = baseRest(function(array, values) {
      return isArrayLikeObject(array)
        ? baseDifference(array, values)
        : [];
    });

    /**
     * Creates an array of unique values that is the
     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
     * of the given arrays. The order of result values is determined by the order
     * they occur in the arrays.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @returns {Array} Returns the new array of filtered values.
     * @see _.difference, _.without
     * @example
     *
     * _.xor([2, 1], [2, 3]);
     * // => [1, 3]
     */
    var xor = baseRest(function(arrays) {
      return baseXor(arrayFilter(arrays, isArrayLikeObject));
    });

    /**
     * This method is like `_.xor` except that it accepts `iteratee` which is
     * invoked for each element of each `arrays` to generate the criterion by
     * which by which they're compared. The order of result values is determined
     * by the order they occur in the arrays. The iteratee is invoked with one
     * argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
     * // => [1.2, 3.4]
     *
     * // The `_.property` iteratee shorthand.
     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
     * // => [{ 'x': 2 }]
     */
    var xorBy = baseRest(function(arrays) {
      var iteratee = last(arrays);
      if (isArrayLikeObject(iteratee)) {
        iteratee = undefined;
      }
      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
    });

    /**
     * This method is like `_.xor` except that it accepts `comparator` which is
     * invoked to compare elements of `arrays`. The order of result values is
     * determined by the order they occur in the arrays. The comparator is invoked
     * with two arguments: (arrVal, othVal).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Array
     * @param {...Array} [arrays] The arrays to inspect.
     * @param {Function} [comparator] The comparator invoked per element.
     * @returns {Array} Returns the new array of filtered values.
     * @example
     *
     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
     *
     * _.xorWith(objects, others, _.isEqual);
     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
     */
    var xorWith = baseRest(function(arrays) {
      var comparator = last(arrays);
      comparator = typeof comparator == 'function' ? comparator : undefined;
      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
    });

    /**
     * Creates an array of grouped elements, the first of which contains the
     * first elements of the given arrays, the second of which contains the
     * second elements of the given arrays, and so on.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Array
     * @param {...Array} [arrays] The arrays to process.
     * @returns {Array} Returns the new array of grouped elements.
     * @example
     *
     * _.zip(['a', 'b'], [1, 2], [true, false]);
     * // => [['a', 1, true], ['b', 2, false]]
     */
    var zip = baseRest(unzip);

    /**
     * This method is like `_.fromPairs` except that it accepts two arrays,
     * one of property identifiers and one of corresponding values.
     *
     * @static
     * @memberOf _
     * @since 0.4.0
     * @category Array
     * @param {Array} [props=[]] The property identifiers.
     * @param {Array} [values=[]] The property values.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.zipObject(['a', 'b'], [1, 2]);
     * // => { 'a': 1, 'b': 2 }
     */
    function zipObject(props, values) {
      return baseZipObject(props || [], values || [], assignValue);
    }

    /**
     * This method is like `_.zipObject` except that it supports property paths.
     *
     * @static
     * @memberOf _
     * @since 4.1.0
     * @category Array
     * @param {Array} [props=[]] The property identifiers.
     * @param {Array} [values=[]] The property values.
     * @returns {Object} Returns the new object.
     * @example
     *
     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
     */
    function zipObjectDeep(props, values) {
      return baseZipObject(props || [], values || [], baseSet);
    }

    /**
     * This method is like `_.zip` except that it accepts `iteratee` to specify
     * how grouped values should be combined. The iteratee is invoked with the
     * elements of each group: (...group).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Array
     * @param {...Array} [arrays] The arrays to process.
     * @param {Function} [iteratee=_.identity] The function to combine
     *  grouped values.
     * @returns {Array} Returns the new array of grouped elements.
     * @example
     *
     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
     *   return a + b + c;
     * });
     * // => [111, 222]
     */
    var zipWith = baseRest(function(arrays) {
      var length = arrays.length,
          iteratee = length > 1 ? arrays[length - 1] : undefined;

      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
      return unzipWith(arrays, iteratee);
    });

    /*------------------------------------------------------------------------*/

    /**
     * Creates a `lodash` wrapper instance that wraps `value` with explicit method
     * chain sequences enabled. The result of such sequences must be unwrapped
     * with `_#value`.
     *
     * @static
     * @memberOf _
     * @since 1.3.0
     * @category Seq
     * @param {*} value The value to wrap.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36 },
     *   { 'user': 'fred',    'age': 40 },
     *   { 'user': 'pebbles', 'age': 1 }
     * ];
     *
     * var youngest = _
     *   .chain(users)
     *   .sortBy('age')
     *   .map(function(o) {
     *     return o.user + ' is ' + o.age;
     *   })
     *   .head()
     *   .value();
     * // => 'pebbles is 1'
     */
    function chain(value) {
      var result = lodash(value);
      result.__chain__ = true;
      return result;
    }

    /**
     * This method invokes `interceptor` and returns `value`. The interceptor
     * is invoked with one argument; (value). The purpose of this method is to
     * "tap into" a method chain sequence in order to modify intermediate results.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @param {*} value The value to provide to `interceptor`.
     * @param {Function} interceptor The function to invoke.
     * @returns {*} Returns `value`.
     * @example
     *
     * _([1, 2, 3])
     *  .tap(function(array) {
     *    // Mutate input array.
     *    array.pop();
     *  })
     *  .reverse()
     *  .value();
     * // => [2, 1]
     */
    function tap(value, interceptor) {
      interceptor(value);
      return value;
    }

    /**
     * This method is like `_.tap` except that it returns the result of `interceptor`.
     * The purpose of this method is to "pass thru" values replacing intermediate
     * results in a method chain sequence.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Seq
     * @param {*} value The value to provide to `interceptor`.
     * @param {Function} interceptor The function to invoke.
     * @returns {*} Returns the result of `interceptor`.
     * @example
     *
     * _('  abc  ')
     *  .chain()
     *  .trim()
     *  .thru(function(value) {
     *    return [value];
     *  })
     *  .value();
     * // => ['abc']
     */
    function thru(value, interceptor) {
      return interceptor(value);
    }

    /**
     * This method is the wrapper version of `_.at`.
     *
     * @name at
     * @memberOf _
     * @since 1.0.0
     * @category Seq
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
     *
     * _(object).at(['a[0].b.c', 'a[1]']).value();
     * // => [3, 4]
     */
    var wrapperAt = flatRest(function(paths) {
      var length = paths.length,
          start = length ? paths[0] : 0,
          value = this.__wrapped__,
          interceptor = function(object) { return baseAt(object, paths); };

      if (length > 1 || this.__actions__.length ||
          !(value instanceof LazyWrapper) || !isIndex(start)) {
        return this.thru(interceptor);
      }
      value = value.slice(start, +start + (length ? 1 : 0));
      value.__actions__.push({
        'func': thru,
        'args': [interceptor],
        'thisArg': undefined
      });
      return new LodashWrapper(value, this.__chain__).thru(function(array) {
        if (length && !array.length) {
          array.push(undefined);
        }
        return array;
      });
    });

    /**
     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
     *
     * @name chain
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36 },
     *   { 'user': 'fred',   'age': 40 }
     * ];
     *
     * // A sequence without explicit chaining.
     * _(users).head();
     * // => { 'user': 'barney', 'age': 36 }
     *
     * // A sequence with explicit chaining.
     * _(users)
     *   .chain()
     *   .head()
     *   .pick('user')
     *   .value();
     * // => { 'user': 'barney' }
     */
    function wrapperChain() {
      return chain(this);
    }

    /**
     * Executes the chain sequence and returns the wrapped result.
     *
     * @name commit
     * @memberOf _
     * @since 3.2.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var array = [1, 2];
     * var wrapped = _(array).push(3);
     *
     * console.log(array);
     * // => [1, 2]
     *
     * wrapped = wrapped.commit();
     * console.log(array);
     * // => [1, 2, 3]
     *
     * wrapped.last();
     * // => 3
     *
     * console.log(array);
     * // => [1, 2, 3]
     */
    function wrapperCommit() {
      return new LodashWrapper(this.value(), this.__chain__);
    }

    /**
     * Gets the next value on a wrapped object following the
     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
     *
     * @name next
     * @memberOf _
     * @since 4.0.0
     * @category Seq
     * @returns {Object} Returns the next iterator value.
     * @example
     *
     * var wrapped = _([1, 2]);
     *
     * wrapped.next();
     * // => { 'done': false, 'value': 1 }
     *
     * wrapped.next();
     * // => { 'done': false, 'value': 2 }
     *
     * wrapped.next();
     * // => { 'done': true, 'value': undefined }
     */
    function wrapperNext() {
      if (this.__values__ === undefined) {
        this.__values__ = toArray(this.value());
      }
      var done = this.__index__ >= this.__values__.length,
          value = done ? undefined : this.__values__[this.__index__++];

      return { 'done': done, 'value': value };
    }

    /**
     * Enables the wrapper to be iterable.
     *
     * @name Symbol.iterator
     * @memberOf _
     * @since 4.0.0
     * @category Seq
     * @returns {Object} Returns the wrapper object.
     * @example
     *
     * var wrapped = _([1, 2]);
     *
     * wrapped[Symbol.iterator]() === wrapped;
     * // => true
     *
     * Array.from(wrapped);
     * // => [1, 2]
     */
    function wrapperToIterator() {
      return this;
    }

    /**
     * Creates a clone of the chain sequence planting `value` as the wrapped value.
     *
     * @name plant
     * @memberOf _
     * @since 3.2.0
     * @category Seq
     * @param {*} value The value to plant.
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var wrapped = _([1, 2]).map(square);
     * var other = wrapped.plant([3, 4]);
     *
     * other.value();
     * // => [9, 16]
     *
     * wrapped.value();
     * // => [1, 4]
     */
    function wrapperPlant(value) {
      var result,
          parent = this;

      while (parent instanceof baseLodash) {
        var clone = wrapperClone(parent);
        clone.__index__ = 0;
        clone.__values__ = undefined;
        if (result) {
          previous.__wrapped__ = clone;
        } else {
          result = clone;
        }
        var previous = clone;
        parent = parent.__wrapped__;
      }
      previous.__wrapped__ = value;
      return result;
    }

    /**
     * This method is the wrapper version of `_.reverse`.
     *
     * **Note:** This method mutates the wrapped array.
     *
     * @name reverse
     * @memberOf _
     * @since 0.1.0
     * @category Seq
     * @returns {Object} Returns the new `lodash` wrapper instance.
     * @example
     *
     * var array = [1, 2, 3];
     *
     * _(array).reverse().value()
     * // => [3, 2, 1]
     *
     * console.log(array);
     * // => [3, 2, 1]
     */
    function wrapperReverse() {
      var value = this.__wrapped__;
      if (value instanceof LazyWrapper) {
        var wrapped = value;
        if (this.__actions__.length) {
          wrapped = new LazyWrapper(this);
        }
        wrapped = wrapped.reverse();
        wrapped.__actions__.push({
          'func': thru,
          'args': [reverse],
          'thisArg': undefined
        });
        return new LodashWrapper(wrapped, this.__chain__);
      }
      return this.thru(reverse);
    }

    /**
     * Executes the chain sequence to resolve the unwrapped value.
     *
     * @name value
     * @memberOf _
     * @since 0.1.0
     * @alias toJSON, valueOf
     * @category Seq
     * @returns {*} Returns the resolved unwrapped value.
     * @example
     *
     * _([1, 2, 3]).value();
     * // => [1, 2, 3]
     */
    function wrapperValue() {
      return baseWrapperValue(this.__wrapped__, this.__actions__);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The corresponding value of
     * each key is the number of times the key was returned by `iteratee`. The
     * iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * _.countBy([6.1, 4.2, 6.3], Math.floor);
     * // => { '4': 1, '6': 2 }
     *
     * // The `_.property` iteratee shorthand.
     * _.countBy(['one', 'two', 'three'], 'length');
     * // => { '3': 2, '5': 1 }
     */
    var countBy = createAggregator(function(result, value, key) {
      if (hasOwnProperty.call(result, key)) {
        ++result[key];
      } else {
        baseAssignValue(result, key, 1);
      }
    });

    /**
     * Checks if `predicate` returns truthy for **all** elements of `collection`.
     * Iteration is stopped once `predicate` returns falsey. The predicate is
     * invoked with three arguments: (value, index|key, collection).
     *
     * **Note:** This method returns `true` for
     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
     * elements of empty collections.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {boolean} Returns `true` if all elements pass the predicate check,
     *  else `false`.
     * @example
     *
     * _.every([true, 1, null, 'yes'], Boolean);
     * // => false
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': false },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.every(users, { 'user': 'barney', 'active': false });
     * // => false
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.every(users, ['active', false]);
     * // => true
     *
     * // The `_.property` iteratee shorthand.
     * _.every(users, 'active');
     * // => false
     */
    function every(collection, predicate, guard) {
      var func = isArray(collection) ? arrayEvery : baseEvery;
      if (guard && isIterateeCall(collection, predicate, guard)) {
        predicate = undefined;
      }
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Iterates over elements of `collection`, returning an array of all elements
     * `predicate` returns truthy for. The predicate is invoked with three
     * arguments: (value, index|key, collection).
     *
     * **Note:** Unlike `_.remove`, this method returns a new array.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     * @see _.reject
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': true },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * _.filter(users, function(o) { return !o.active; });
     * // => objects for ['fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.filter(users, { 'age': 36, 'active': true });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.filter(users, ['active', false]);
     * // => objects for ['fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.filter(users, 'active');
     * // => objects for ['barney']
     *
     * // Combining several predicates using `_.overEvery` or `_.overSome`.
     * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));
     * // => objects for ['fred', 'barney']
     */
    function filter(collection, predicate) {
      var func = isArray(collection) ? arrayFilter : baseFilter;
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Iterates over elements of `collection`, returning the first element
     * `predicate` returns truthy for. The predicate is invoked with three
     * arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=0] The index to search from.
     * @returns {*} Returns the matched element, else `undefined`.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36, 'active': true },
     *   { 'user': 'fred',    'age': 40, 'active': false },
     *   { 'user': 'pebbles', 'age': 1,  'active': true }
     * ];
     *
     * _.find(users, function(o) { return o.age < 40; });
     * // => object for 'barney'
     *
     * // The `_.matches` iteratee shorthand.
     * _.find(users, { 'age': 1, 'active': true });
     * // => object for 'pebbles'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.find(users, ['active', false]);
     * // => object for 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.find(users, 'active');
     * // => object for 'barney'
     */
    var find = createFind(findIndex);

    /**
     * This method is like `_.find` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param {number} [fromIndex=collection.length-1] The index to search from.
     * @returns {*} Returns the matched element, else `undefined`.
     * @example
     *
     * _.findLast([1, 2, 3, 4], function(n) {
     *   return n % 2 == 1;
     * });
     * // => 3
     */
    var findLast = createFind(findLastIndex);

    /**
     * Creates a flattened array of values by running each element in `collection`
     * thru `iteratee` and flattening the mapped results. The iteratee is invoked
     * with three arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [n, n];
     * }
     *
     * _.flatMap([1, 2], duplicate);
     * // => [1, 1, 2, 2]
     */
    function flatMap(collection, iteratee) {
      return baseFlatten(map(collection, iteratee), 1);
    }

    /**
     * This method is like `_.flatMap` except that it recursively flattens the
     * mapped results.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [[[n, n]]];
     * }
     *
     * _.flatMapDeep([1, 2], duplicate);
     * // => [1, 1, 2, 2]
     */
    function flatMapDeep(collection, iteratee) {
      return baseFlatten(map(collection, iteratee), INFINITY);
    }

    /**
     * This method is like `_.flatMap` except that it recursively flattens the
     * mapped results up to `depth` times.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {number} [depth=1] The maximum recursion depth.
     * @returns {Array} Returns the new flattened array.
     * @example
     *
     * function duplicate(n) {
     *   return [[[n, n]]];
     * }
     *
     * _.flatMapDepth([1, 2], duplicate, 2);
     * // => [[1, 1], [2, 2]]
     */
    function flatMapDepth(collection, iteratee, depth) {
      depth = depth === undefined ? 1 : toInteger(depth);
      return baseFlatten(map(collection, iteratee), depth);
    }

    /**
     * Iterates over elements of `collection` and invokes `iteratee` for each element.
     * The iteratee is invoked with three arguments: (value, index|key, collection).
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * **Note:** As with other "Collections" methods, objects with a "length"
     * property are iterated like arrays. To avoid this behavior use `_.forIn`
     * or `_.forOwn` for object iteration.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @alias each
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     * @see _.forEachRight
     * @example
     *
     * _.forEach([1, 2], function(value) {
     *   console.log(value);
     * });
     * // => Logs `1` then `2`.
     *
     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
     */
    function forEach(collection, iteratee) {
      var func = isArray(collection) ? arrayEach : baseEach;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.forEach` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @alias eachRight
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array|Object} Returns `collection`.
     * @see _.forEach
     * @example
     *
     * _.forEachRight([1, 2], function(value) {
     *   console.log(value);
     * });
     * // => Logs `2` then `1`.
     */
    function forEachRight(collection, iteratee) {
      var func = isArray(collection) ? arrayEachRight : baseEachRight;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The order of grouped values
     * is determined by the order they occur in `collection`. The corresponding
     * value of each key is an array of elements responsible for generating the
     * key. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * _.groupBy([6.1, 4.2, 6.3], Math.floor);
     * // => { '4': [4.2], '6': [6.1, 6.3] }
     *
     * // The `_.property` iteratee shorthand.
     * _.groupBy(['one', 'two', 'three'], 'length');
     * // => { '3': ['one', 'two'], '5': ['three'] }
     */
    var groupBy = createAggregator(function(result, value, key) {
      if (hasOwnProperty.call(result, key)) {
        result[key].push(value);
      } else {
        baseAssignValue(result, key, [value]);
      }
    });

    /**
     * Checks if `value` is in `collection`. If `collection` is a string, it's
     * checked for a substring of `value`, otherwise
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * is used for equality comparisons. If `fromIndex` is negative, it's used as
     * the offset from the end of `collection`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object|string} collection The collection to inspect.
     * @param {*} value The value to search for.
     * @param {number} [fromIndex=0] The index to search from.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
     * @returns {boolean} Returns `true` if `value` is found, else `false`.
     * @example
     *
     * _.includes([1, 2, 3], 1);
     * // => true
     *
     * _.includes([1, 2, 3], 1, 2);
     * // => false
     *
     * _.includes({ 'a': 1, 'b': 2 }, 1);
     * // => true
     *
     * _.includes('abcd', 'bc');
     * // => true
     */
    function includes(collection, value, fromIndex, guard) {
      collection = isArrayLike(collection) ? collection : values(collection);
      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;

      var length = collection.length;
      if (fromIndex < 0) {
        fromIndex = nativeMax(length + fromIndex, 0);
      }
      return isString(collection)
        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
    }

    /**
     * Invokes the method at `path` of each element in `collection`, returning
     * an array of the results of each invoked method. Any additional arguments
     * are provided to each invoked method. If `path` is a function, it's invoked
     * for, and `this` bound to, each element in `collection`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Array|Function|string} path The path of the method to invoke or
     *  the function invoked per iteration.
     * @param {...*} [args] The arguments to invoke each method with.
     * @returns {Array} Returns the array of results.
     * @example
     *
     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
     * // => [[1, 5, 7], [1, 2, 3]]
     *
     * _.invokeMap([123, 456], String.prototype.split, '');
     * // => [['1', '2', '3'], ['4', '5', '6']]
     */
    var invokeMap = baseRest(function(collection, path, args) {
      var index = -1,
          isFunc = typeof path == 'function',
          result = isArrayLike(collection) ? Array(collection.length) : [];

      baseEach(collection, function(value) {
        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
      });
      return result;
    });

    /**
     * Creates an object composed of keys generated from the results of running
     * each element of `collection` thru `iteratee`. The corresponding value of
     * each key is the last element responsible for generating the key. The
     * iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
     * @returns {Object} Returns the composed aggregate object.
     * @example
     *
     * var array = [
     *   { 'dir': 'left', 'code': 97 },
     *   { 'dir': 'right', 'code': 100 }
     * ];
     *
     * _.keyBy(array, function(o) {
     *   return String.fromCharCode(o.code);
     * });
     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
     *
     * _.keyBy(array, 'dir');
     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
     */
    var keyBy = createAggregator(function(result, value, key) {
      baseAssignValue(result, key, value);
    });

    /**
     * Creates an array of values by running each element in `collection` thru
     * `iteratee`. The iteratee is invoked with three arguments:
     * (value, index|key, collection).
     *
     * Many lodash methods are guarded to work as iteratees for methods like
     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
     *
     * The guarded methods are:
     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new mapped array.
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * _.map([4, 8], square);
     * // => [16, 64]
     *
     * _.map({ 'a': 4, 'b': 8 }, square);
     * // => [16, 64] (iteration order is not guaranteed)
     *
     * var users = [
     *   { 'user': 'barney' },
     *   { 'user': 'fred' }
     * ];
     *
     * // The `_.property` iteratee shorthand.
     * _.map(users, 'user');
     * // => ['barney', 'fred']
     */
    function map(collection, iteratee) {
      var func = isArray(collection) ? arrayMap : baseMap;
      return func(collection, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.sortBy` except that it allows specifying the sort
     * orders of the iteratees to sort by. If `orders` is unspecified, all values
     * are sorted in ascending order. Otherwise, specify an order of "desc" for
     * descending or "asc" for ascending sort order of corresponding values.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
     *  The iteratees to sort by.
     * @param {string[]} [orders] The sort orders of `iteratees`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
     * @returns {Array} Returns the new sorted array.
     * @example
     *
     * var users = [
     *   { 'user': 'fred',   'age': 48 },
     *   { 'user': 'barney', 'age': 34 },
     *   { 'user': 'fred',   'age': 40 },
     *   { 'user': 'barney', 'age': 36 }
     * ];
     *
     * // Sort by `user` in ascending order and by `age` in descending order.
     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
     */
    function orderBy(collection, iteratees, orders, guard) {
      if (collection == null) {
        return [];
      }
      if (!isArray(iteratees)) {
        iteratees = iteratees == null ? [] : [iteratees];
      }
      orders = guard ? undefined : orders;
      if (!isArray(orders)) {
        orders = orders == null ? [] : [orders];
      }
      return baseOrderBy(collection, iteratees, orders);
    }

    /**
     * Creates an array of elements split into two groups, the first of which
     * contains elements `predicate` returns truthy for, the second of which
     * contains elements `predicate` returns falsey for. The predicate is
     * invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the array of grouped elements.
     * @example
     *
     * var users = [
     *   { 'user': 'barney',  'age': 36, 'active': false },
     *   { 'user': 'fred',    'age': 40, 'active': true },
     *   { 'user': 'pebbles', 'age': 1,  'active': false }
     * ];
     *
     * _.partition(users, function(o) { return o.active; });
     * // => objects for [['fred'], ['barney', 'pebbles']]
     *
     * // The `_.matches` iteratee shorthand.
     * _.partition(users, { 'age': 1, 'active': false });
     * // => objects for [['pebbles'], ['barney', 'fred']]
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.partition(users, ['active', false]);
     * // => objects for [['barney', 'pebbles'], ['fred']]
     *
     * // The `_.property` iteratee shorthand.
     * _.partition(users, 'active');
     * // => objects for [['fred'], ['barney', 'pebbles']]
     */
    var partition = createAggregator(function(result, value, key) {
      result[key ? 0 : 1].push(value);
    }, function() { return [[], []]; });

    /**
     * Reduces `collection` to a value which is the accumulated result of running
     * each element in `collection` thru `iteratee`, where each successive
     * invocation is supplied the return value of the previous. If `accumulator`
     * is not given, the first element of `collection` is used as the initial
     * value. The iteratee is invoked with four arguments:
     * (accumulator, value, index|key, collection).
     *
     * Many lodash methods are guarded to work as iteratees for methods like
     * `_.reduce`, `_.reduceRight`, and `_.transform`.
     *
     * The guarded methods are:
     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
     * and `sortBy`
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The initial value.
     * @returns {*} Returns the accumulated value.
     * @see _.reduceRight
     * @example
     *
     * _.reduce([1, 2], function(sum, n) {
     *   return sum + n;
     * }, 0);
     * // => 3
     *
     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
     *   (result[value] || (result[value] = [])).push(key);
     *   return result;
     * }, {});
     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
     */
    function reduce(collection, iteratee, accumulator) {
      var func = isArray(collection) ? arrayReduce : baseReduce,
          initAccum = arguments.length < 3;

      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
    }

    /**
     * This method is like `_.reduce` except that it iterates over elements of
     * `collection` from right to left.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The initial value.
     * @returns {*} Returns the accumulated value.
     * @see _.reduce
     * @example
     *
     * var array = [[0, 1], [2, 3], [4, 5]];
     *
     * _.reduceRight(array, function(flattened, other) {
     *   return flattened.concat(other);
     * }, []);
     * // => [4, 5, 2, 3, 0, 1]
     */
    function reduceRight(collection, iteratee, accumulator) {
      var func = isArray(collection) ? arrayReduceRight : baseReduce,
          initAccum = arguments.length < 3;

      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
    }

    /**
     * The opposite of `_.filter`; this method returns the elements of `collection`
     * that `predicate` does **not** return truthy for.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the new filtered array.
     * @see _.filter
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': false },
     *   { 'user': 'fred',   'age': 40, 'active': true }
     * ];
     *
     * _.reject(users, function(o) { return !o.active; });
     * // => objects for ['fred']
     *
     * // The `_.matches` iteratee shorthand.
     * _.reject(users, { 'age': 40, 'active': true });
     * // => objects for ['barney']
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.reject(users, ['active', false]);
     * // => objects for ['fred']
     *
     * // The `_.property` iteratee shorthand.
     * _.reject(users, 'active');
     * // => objects for ['barney']
     */
    function reject(collection, predicate) {
      var func = isArray(collection) ? arrayFilter : baseFilter;
      return func(collection, negate(getIteratee(predicate, 3)));
    }

    /**
     * Gets a random element from `collection`.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to sample.
     * @returns {*} Returns the random element.
     * @example
     *
     * _.sample([1, 2, 3, 4]);
     * // => 2
     */
    function sample(collection) {
      var func = isArray(collection) ? arraySample : baseSample;
      return func(collection);
    }

    /**
     * Gets `n` random elements at unique keys from `collection` up to the
     * size of `collection`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Collection
     * @param {Array|Object} collection The collection to sample.
     * @param {number} [n=1] The number of elements to sample.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the random elements.
     * @example
     *
     * _.sampleSize([1, 2, 3], 2);
     * // => [3, 1]
     *
     * _.sampleSize([1, 2, 3], 4);
     * // => [2, 3, 1]
     */
    function sampleSize(collection, n, guard) {
      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
        n = 1;
      } else {
        n = toInteger(n);
      }
      var func = isArray(collection) ? arraySampleSize : baseSampleSize;
      return func(collection, n);
    }

    /**
     * Creates an array of shuffled values, using a version of the
     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to shuffle.
     * @returns {Array} Returns the new shuffled array.
     * @example
     *
     * _.shuffle([1, 2, 3, 4]);
     * // => [4, 1, 3, 2]
     */
    function shuffle(collection) {
      var func = isArray(collection) ? arrayShuffle : baseShuffle;
      return func(collection);
    }

    /**
     * Gets the size of `collection` by returning its length for array-like
     * values or the number of own enumerable string keyed properties for objects.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object|string} collection The collection to inspect.
     * @returns {number} Returns the collection size.
     * @example
     *
     * _.size([1, 2, 3]);
     * // => 3
     *
     * _.size({ 'a': 1, 'b': 2 });
     * // => 2
     *
     * _.size('pebbles');
     * // => 7
     */
    function size(collection) {
      if (collection == null) {
        return 0;
      }
      if (isArrayLike(collection)) {
        return isString(collection) ? stringSize(collection) : collection.length;
      }
      var tag = getTag(collection);
      if (tag == mapTag || tag == setTag) {
        return collection.size;
      }
      return baseKeys(collection).length;
    }

    /**
     * Checks if `predicate` returns truthy for **any** element of `collection`.
     * Iteration is stopped once `predicate` returns truthy. The predicate is
     * invoked with three arguments: (value, index|key, collection).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {boolean} Returns `true` if any element passes the predicate check,
     *  else `false`.
     * @example
     *
     * _.some([null, 0, 'yes', false], Boolean);
     * // => true
     *
     * var users = [
     *   { 'user': 'barney', 'active': true },
     *   { 'user': 'fred',   'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.some(users, { 'user': 'barney', 'active': false });
     * // => false
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.some(users, ['active', false]);
     * // => true
     *
     * // The `_.property` iteratee shorthand.
     * _.some(users, 'active');
     * // => true
     */
    function some(collection, predicate, guard) {
      var func = isArray(collection) ? arraySome : baseSome;
      if (guard && isIterateeCall(collection, predicate, guard)) {
        predicate = undefined;
      }
      return func(collection, getIteratee(predicate, 3));
    }

    /**
     * Creates an array of elements, sorted in ascending order by the results of
     * running each element in a collection thru each iteratee. This method
     * performs a stable sort, that is, it preserves the original sort order of
     * equal elements. The iteratees are invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Collection
     * @param {Array|Object} collection The collection to iterate over.
     * @param {...(Function|Function[])} [iteratees=[_.identity]]
     *  The iteratees to sort by.
     * @returns {Array} Returns the new sorted array.
     * @example
     *
     * var users = [
     *   { 'user': 'fred',   'age': 48 },
     *   { 'user': 'barney', 'age': 36 },
     *   { 'user': 'fred',   'age': 30 },
     *   { 'user': 'barney', 'age': 34 }
     * ];
     *
     * _.sortBy(users, [function(o) { return o.user; }]);
     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]
     *
     * _.sortBy(users, ['user', 'age']);
     * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]
     */
    var sortBy = baseRest(function(collection, iteratees) {
      if (collection == null) {
        return [];
      }
      var length = iteratees.length;
      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
        iteratees = [];
      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
        iteratees = [iteratees[0]];
      }
      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
    });

    /*------------------------------------------------------------------------*/

    /**
     * Gets the timestamp of the number of milliseconds that have elapsed since
     * the Unix epoch (1 January 1970 00:00:00 UTC).
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Date
     * @returns {number} Returns the timestamp.
     * @example
     *
     * _.defer(function(stamp) {
     *   console.log(_.now() - stamp);
     * }, _.now());
     * // => Logs the number of milliseconds it took for the deferred invocation.
     */
    var now = ctxNow || function() {
      return root.Date.now();
    };

    /*------------------------------------------------------------------------*/

    /**
     * The opposite of `_.before`; this method creates a function that invokes
     * `func` once it's called `n` or more times.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {number} n The number of calls before `func` is invoked.
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * var saves = ['profile', 'settings'];
     *
     * var done = _.after(saves.length, function() {
     *   console.log('done saving!');
     * });
     *
     * _.forEach(saves, function(type) {
     *   asyncSave({ 'type': type, 'complete': done });
     * });
     * // => Logs 'done saving!' after the two async saves have completed.
     */
    function after(n, func) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      n = toInteger(n);
      return function() {
        if (--n < 1) {
          return func.apply(this, arguments);
        }
      };
    }

    /**
     * Creates a function that invokes `func`, with up to `n` arguments,
     * ignoring any additional arguments.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to cap arguments for.
     * @param {number} [n=func.length] The arity cap.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new capped function.
     * @example
     *
     * _.map(['6', '8', '10'], _.ary(parseInt, 1));
     * // => [6, 8, 10]
     */
    function ary(func, n, guard) {
      n = guard ? undefined : n;
      n = (func && n == null) ? func.length : n;
      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
    }

    /**
     * Creates a function that invokes `func`, with the `this` binding and arguments
     * of the created function, while it's called less than `n` times. Subsequent
     * calls to the created function return the result of the last `func` invocation.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {number} n The number of calls at which `func` is no longer invoked.
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * jQuery(element).on('click', _.before(5, addContactToList));
     * // => Allows adding up to 4 contacts to the list.
     */
    function before(n, func) {
      var result;
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      n = toInteger(n);
      return function() {
        if (--n > 0) {
          result = func.apply(this, arguments);
        }
        if (n <= 1) {
          func = undefined;
        }
        return result;
      };
    }

    /**
     * Creates a function that invokes `func` with the `this` binding of `thisArg`
     * and `partials` prepended to the arguments it receives.
     *
     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
     * may be used as a placeholder for partially applied arguments.
     *
     * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
     * property of bound functions.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to bind.
     * @param {*} thisArg The `this` binding of `func`.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new bound function.
     * @example
     *
     * function greet(greeting, punctuation) {
     *   return greeting + ' ' + this.user + punctuation;
     * }
     *
     * var object = { 'user': 'fred' };
     *
     * var bound = _.bind(greet, object, 'hi');
     * bound('!');
     * // => 'hi fred!'
     *
     * // Bound with placeholders.
     * var bound = _.bind(greet, object, _, '!');
     * bound('hi');
     * // => 'hi fred!'
     */
    var bind = baseRest(function(func, thisArg, partials) {
      var bitmask = WRAP_BIND_FLAG;
      if (partials.length) {
        var holders = replaceHolders(partials, getHolder(bind));
        bitmask |= WRAP_PARTIAL_FLAG;
      }
      return createWrap(func, bitmask, thisArg, partials, holders);
    });

    /**
     * Creates a function that invokes the method at `object[key]` with `partials`
     * prepended to the arguments it receives.
     *
     * This method differs from `_.bind` by allowing bound functions to reference
     * methods that may be redefined or don't yet exist. See
     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
     * for more details.
     *
     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * @static
     * @memberOf _
     * @since 0.10.0
     * @category Function
     * @param {Object} object The object to invoke the method on.
     * @param {string} key The key of the method.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new bound function.
     * @example
     *
     * var object = {
     *   'user': 'fred',
     *   'greet': function(greeting, punctuation) {
     *     return greeting + ' ' + this.user + punctuation;
     *   }
     * };
     *
     * var bound = _.bindKey(object, 'greet', 'hi');
     * bound('!');
     * // => 'hi fred!'
     *
     * object.greet = function(greeting, punctuation) {
     *   return greeting + 'ya ' + this.user + punctuation;
     * };
     *
     * bound('!');
     * // => 'hiya fred!'
     *
     * // Bound with placeholders.
     * var bound = _.bindKey(object, 'greet', _, '!');
     * bound('hi');
     * // => 'hiya fred!'
     */
    var bindKey = baseRest(function(object, key, partials) {
      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
      if (partials.length) {
        var holders = replaceHolders(partials, getHolder(bindKey));
        bitmask |= WRAP_PARTIAL_FLAG;
      }
      return createWrap(key, bitmask, object, partials, holders);
    });

    /**
     * Creates a function that accepts arguments of `func` and either invokes
     * `func` returning its result, if at least `arity` number of arguments have
     * been provided, or returns a function that accepts the remaining `func`
     * arguments, and so on. The arity of `func` may be specified if `func.length`
     * is not sufficient.
     *
     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
     * may be used as a placeholder for provided arguments.
     *
     * **Note:** This method doesn't set the "length" property of curried functions.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Function
     * @param {Function} func The function to curry.
     * @param {number} [arity=func.length] The arity of `func`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new curried function.
     * @example
     *
     * var abc = function(a, b, c) {
     *   return [a, b, c];
     * };
     *
     * var curried = _.curry(abc);
     *
     * curried(1)(2)(3);
     * // => [1, 2, 3]
     *
     * curried(1, 2)(3);
     * // => [1, 2, 3]
     *
     * curried(1, 2, 3);
     * // => [1, 2, 3]
     *
     * // Curried with placeholders.
     * curried(1)(_, 3)(2);
     * // => [1, 2, 3]
     */
    function curry(func, arity, guard) {
      arity = guard ? undefined : arity;
      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
      result.placeholder = curry.placeholder;
      return result;
    }

    /**
     * This method is like `_.curry` except that arguments are applied to `func`
     * in the manner of `_.partialRight` instead of `_.partial`.
     *
     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for provided arguments.
     *
     * **Note:** This method doesn't set the "length" property of curried functions.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to curry.
     * @param {number} [arity=func.length] The arity of `func`.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the new curried function.
     * @example
     *
     * var abc = function(a, b, c) {
     *   return [a, b, c];
     * };
     *
     * var curried = _.curryRight(abc);
     *
     * curried(3)(2)(1);
     * // => [1, 2, 3]
     *
     * curried(2, 3)(1);
     * // => [1, 2, 3]
     *
     * curried(1, 2, 3);
     * // => [1, 2, 3]
     *
     * // Curried with placeholders.
     * curried(3)(1, _)(2);
     * // => [1, 2, 3]
     */
    function curryRight(func, arity, guard) {
      arity = guard ? undefined : arity;
      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
      result.placeholder = curryRight.placeholder;
      return result;
    }

    /**
     * Creates a debounced function that delays invoking `func` until after `wait`
     * milliseconds have elapsed since the last time the debounced function was
     * invoked. The debounced function comes with a `cancel` method to cancel
     * delayed `func` invocations and a `flush` method to immediately invoke them.
     * Provide `options` to indicate whether `func` should be invoked on the
     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
     * with the last arguments provided to the debounced function. Subsequent
     * calls to the debounced function return the result of the last `func`
     * invocation.
     *
     * **Note:** If `leading` and `trailing` options are `true`, `func` is
     * invoked on the trailing edge of the timeout only if the debounced function
     * is invoked more than once during the `wait` timeout.
     *
     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
     *
     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
     * for details over the differences between `_.debounce` and `_.throttle`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to debounce.
     * @param {number} [wait=0] The number of milliseconds to delay.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.leading=false]
     *  Specify invoking on the leading edge of the timeout.
     * @param {number} [options.maxWait]
     *  The maximum time `func` is allowed to be delayed before it's invoked.
     * @param {boolean} [options.trailing=true]
     *  Specify invoking on the trailing edge of the timeout.
     * @returns {Function} Returns the new debounced function.
     * @example
     *
     * // Avoid costly calculations while the window size is in flux.
     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
     *
     * // Invoke `sendMail` when clicked, debouncing subsequent calls.
     * jQuery(element).on('click', _.debounce(sendMail, 300, {
     *   'leading': true,
     *   'trailing': false
     * }));
     *
     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
     * var source = new EventSource('/stream');
     * jQuery(source).on('message', debounced);
     *
     * // Cancel the trailing debounced invocation.
     * jQuery(window).on('popstate', debounced.cancel);
     */
    function debounce(func, wait, options) {
      var lastArgs,
          lastThis,
          maxWait,
          result,
          timerId,
          lastCallTime,
          lastInvokeTime = 0,
          leading = false,
          maxing = false,
          trailing = true;

      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      wait = toNumber(wait) || 0;
      if (isObject(options)) {
        leading = !!options.leading;
        maxing = 'maxWait' in options;
        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
        trailing = 'trailing' in options ? !!options.trailing : trailing;
      }

      function invokeFunc(time) {
        var args = lastArgs,
            thisArg = lastThis;

        lastArgs = lastThis = undefined;
        lastInvokeTime = time;
        result = func.apply(thisArg, args);
        return result;
      }

      function leadingEdge(time) {
        // Reset any `maxWait` timer.
        lastInvokeTime = time;
        // Start the timer for the trailing edge.
        timerId = setTimeout(timerExpired, wait);
        // Invoke the leading edge.
        return leading ? invokeFunc(time) : result;
      }

      function remainingWait(time) {
        var timeSinceLastCall = time - lastCallTime,
            timeSinceLastInvoke = time - lastInvokeTime,
            timeWaiting = wait - timeSinceLastCall;

        return maxing
          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
          : timeWaiting;
      }

      function shouldInvoke(time) {
        var timeSinceLastCall = time - lastCallTime,
            timeSinceLastInvoke = time - lastInvokeTime;

        // Either this is the first call, activity has stopped and we're at the
        // trailing edge, the system time has gone backwards and we're treating
        // it as the trailing edge, or we've hit the `maxWait` limit.
        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
      }

      function timerExpired() {
        var time = now();
        if (shouldInvoke(time)) {
          return trailingEdge(time);
        }
        // Restart the timer.
        timerId = setTimeout(timerExpired, remainingWait(time));
      }

      function trailingEdge(time) {
        timerId = undefined;

        // Only invoke if we have `lastArgs` which means `func` has been
        // debounced at least once.
        if (trailing && lastArgs) {
          return invokeFunc(time);
        }
        lastArgs = lastThis = undefined;
        return result;
      }

      function cancel() {
        if (timerId !== undefined) {
          clearTimeout(timerId);
        }
        lastInvokeTime = 0;
        lastArgs = lastCallTime = lastThis = timerId = undefined;
      }

      function flush() {
        return timerId === undefined ? result : trailingEdge(now());
      }

      function debounced() {
        var time = now(),
            isInvoking = shouldInvoke(time);

        lastArgs = arguments;
        lastThis = this;
        lastCallTime = time;

        if (isInvoking) {
          if (timerId === undefined) {
            return leadingEdge(lastCallTime);
          }
          if (maxing) {
            // Handle invocations in a tight loop.
            clearTimeout(timerId);
            timerId = setTimeout(timerExpired, wait);
            return invokeFunc(lastCallTime);
          }
        }
        if (timerId === undefined) {
          timerId = setTimeout(timerExpired, wait);
        }
        return result;
      }
      debounced.cancel = cancel;
      debounced.flush = flush;
      return debounced;
    }

    /**
     * Defers invoking the `func` until the current call stack has cleared. Any
     * additional arguments are provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to defer.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {number} Returns the timer id.
     * @example
     *
     * _.defer(function(text) {
     *   console.log(text);
     * }, 'deferred');
     * // => Logs 'deferred' after one millisecond.
     */
    var defer = baseRest(function(func, args) {
      return baseDelay(func, 1, args);
    });

    /**
     * Invokes `func` after `wait` milliseconds. Any additional arguments are
     * provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to delay.
     * @param {number} wait The number of milliseconds to delay invocation.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {number} Returns the timer id.
     * @example
     *
     * _.delay(function(text) {
     *   console.log(text);
     * }, 1000, 'later');
     * // => Logs 'later' after one second.
     */
    var delay = baseRest(function(func, wait, args) {
      return baseDelay(func, toNumber(wait) || 0, args);
    });

    /**
     * Creates a function that invokes `func` with arguments reversed.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to flip arguments for.
     * @returns {Function} Returns the new flipped function.
     * @example
     *
     * var flipped = _.flip(function() {
     *   return _.toArray(arguments);
     * });
     *
     * flipped('a', 'b', 'c', 'd');
     * // => ['d', 'c', 'b', 'a']
     */
    function flip(func) {
      return createWrap(func, WRAP_FLIP_FLAG);
    }

    /**
     * Creates a function that memoizes the result of `func`. If `resolver` is
     * provided, it determines the cache key for storing the result based on the
     * arguments provided to the memoized function. By default, the first argument
     * provided to the memoized function is used as the map cache key. The `func`
     * is invoked with the `this` binding of the memoized function.
     *
     * **Note:** The cache is exposed as the `cache` property on the memoized
     * function. Its creation may be customized by replacing the `_.memoize.Cache`
     * constructor with one whose instances implement the
     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
     * method interface of `clear`, `delete`, `get`, `has`, and `set`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to have its output memoized.
     * @param {Function} [resolver] The function to resolve the cache key.
     * @returns {Function} Returns the new memoized function.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     * var other = { 'c': 3, 'd': 4 };
     *
     * var values = _.memoize(_.values);
     * values(object);
     * // => [1, 2]
     *
     * values(other);
     * // => [3, 4]
     *
     * object.a = 2;
     * values(object);
     * // => [1, 2]
     *
     * // Modify the result cache.
     * values.cache.set(object, ['a', 'b']);
     * values(object);
     * // => ['a', 'b']
     *
     * // Replace `_.memoize.Cache`.
     * _.memoize.Cache = WeakMap;
     */
    function memoize(func, resolver) {
      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      var memoized = function() {
        var args = arguments,
            key = resolver ? resolver.apply(this, args) : args[0],
            cache = memoized.cache;

        if (cache.has(key)) {
          return cache.get(key);
        }
        var result = func.apply(this, args);
        memoized.cache = cache.set(key, result) || cache;
        return result;
      };
      memoized.cache = new (memoize.Cache || MapCache);
      return memoized;
    }

    // Expose `MapCache`.
    memoize.Cache = MapCache;

    /**
     * Creates a function that negates the result of the predicate `func`. The
     * `func` predicate is invoked with the `this` binding and arguments of the
     * created function.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} predicate The predicate to negate.
     * @returns {Function} Returns the new negated function.
     * @example
     *
     * function isEven(n) {
     *   return n % 2 == 0;
     * }
     *
     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
     * // => [1, 3, 5]
     */
    function negate(predicate) {
      if (typeof predicate != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      return function() {
        var args = arguments;
        switch (args.length) {
          case 0: return !predicate.call(this);
          case 1: return !predicate.call(this, args[0]);
          case 2: return !predicate.call(this, args[0], args[1]);
          case 3: return !predicate.call(this, args[0], args[1], args[2]);
        }
        return !predicate.apply(this, args);
      };
    }

    /**
     * Creates a function that is restricted to invoking `func` once. Repeat calls
     * to the function return the value of the first invocation. The `func` is
     * invoked with the `this` binding and arguments of the created function.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to restrict.
     * @returns {Function} Returns the new restricted function.
     * @example
     *
     * var initialize = _.once(createApplication);
     * initialize();
     * initialize();
     * // => `createApplication` is invoked once
     */
    function once(func) {
      return before(2, func);
    }

    /**
     * Creates a function that invokes `func` with its arguments transformed.
     *
     * @static
     * @since 4.0.0
     * @memberOf _
     * @category Function
     * @param {Function} func The function to wrap.
     * @param {...(Function|Function[])} [transforms=[_.identity]]
     *  The argument transforms.
     * @returns {Function} Returns the new function.
     * @example
     *
     * function doubled(n) {
     *   return n * 2;
     * }
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var func = _.overArgs(function(x, y) {
     *   return [x, y];
     * }, [square, doubled]);
     *
     * func(9, 3);
     * // => [81, 6]
     *
     * func(10, 5);
     * // => [100, 10]
     */
    var overArgs = castRest(function(func, transforms) {
      transforms = (transforms.length == 1 && isArray(transforms[0]))
        ? arrayMap(transforms[0], baseUnary(getIteratee()))
        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));

      var funcsLength = transforms.length;
      return baseRest(function(args) {
        var index = -1,
            length = nativeMin(args.length, funcsLength);

        while (++index < length) {
          args[index] = transforms[index].call(this, args[index]);
        }
        return apply(func, this, args);
      });
    });

    /**
     * Creates a function that invokes `func` with `partials` prepended to the
     * arguments it receives. This method is like `_.bind` except it does **not**
     * alter the `this` binding.
     *
     * The `_.partial.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * **Note:** This method doesn't set the "length" property of partially
     * applied functions.
     *
     * @static
     * @memberOf _
     * @since 0.2.0
     * @category Function
     * @param {Function} func The function to partially apply arguments to.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new partially applied function.
     * @example
     *
     * function greet(greeting, name) {
     *   return greeting + ' ' + name;
     * }
     *
     * var sayHelloTo = _.partial(greet, 'hello');
     * sayHelloTo('fred');
     * // => 'hello fred'
     *
     * // Partially applied with placeholders.
     * var greetFred = _.partial(greet, _, 'fred');
     * greetFred('hi');
     * // => 'hi fred'
     */
    var partial = baseRest(function(func, partials) {
      var holders = replaceHolders(partials, getHolder(partial));
      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
    });

    /**
     * This method is like `_.partial` except that partially applied arguments
     * are appended to the arguments it receives.
     *
     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
     * builds, may be used as a placeholder for partially applied arguments.
     *
     * **Note:** This method doesn't set the "length" property of partially
     * applied functions.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Function
     * @param {Function} func The function to partially apply arguments to.
     * @param {...*} [partials] The arguments to be partially applied.
     * @returns {Function} Returns the new partially applied function.
     * @example
     *
     * function greet(greeting, name) {
     *   return greeting + ' ' + name;
     * }
     *
     * var greetFred = _.partialRight(greet, 'fred');
     * greetFred('hi');
     * // => 'hi fred'
     *
     * // Partially applied with placeholders.
     * var sayHelloTo = _.partialRight(greet, 'hello', _);
     * sayHelloTo('fred');
     * // => 'hello fred'
     */
    var partialRight = baseRest(function(func, partials) {
      var holders = replaceHolders(partials, getHolder(partialRight));
      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
    });

    /**
     * Creates a function that invokes `func` with arguments arranged according
     * to the specified `indexes` where the argument value at the first index is
     * provided as the first argument, the argument value at the second index is
     * provided as the second argument, and so on.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Function
     * @param {Function} func The function to rearrange arguments for.
     * @param {...(number|number[])} indexes The arranged argument indexes.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var rearged = _.rearg(function(a, b, c) {
     *   return [a, b, c];
     * }, [2, 0, 1]);
     *
     * rearged('b', 'c', 'a')
     * // => ['a', 'b', 'c']
     */
    var rearg = flatRest(function(func, indexes) {
      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
    });

    /**
     * Creates a function that invokes `func` with the `this` binding of the
     * created function and arguments from `start` and beyond provided as
     * an array.
     *
     * **Note:** This method is based on the
     * [rest parameter](https://mdn.io/rest_parameters).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to apply a rest parameter to.
     * @param {number} [start=func.length-1] The start position of the rest parameter.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var say = _.rest(function(what, names) {
     *   return what + ' ' + _.initial(names).join(', ') +
     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
     * });
     *
     * say('hello', 'fred', 'barney', 'pebbles');
     * // => 'hello fred, barney, & pebbles'
     */
    function rest(func, start) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      start = start === undefined ? start : toInteger(start);
      return baseRest(func, start);
    }

    /**
     * Creates a function that invokes `func` with the `this` binding of the
     * create function and an array of arguments much like
     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
     *
     * **Note:** This method is based on the
     * [spread operator](https://mdn.io/spread_operator).
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Function
     * @param {Function} func The function to spread arguments over.
     * @param {number} [start=0] The start position of the spread.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var say = _.spread(function(who, what) {
     *   return who + ' says ' + what;
     * });
     *
     * say(['fred', 'hello']);
     * // => 'fred says hello'
     *
     * var numbers = Promise.all([
     *   Promise.resolve(40),
     *   Promise.resolve(36)
     * ]);
     *
     * numbers.then(_.spread(function(x, y) {
     *   return x + y;
     * }));
     * // => a Promise of 76
     */
    function spread(func, start) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      start = start == null ? 0 : nativeMax(toInteger(start), 0);
      return baseRest(function(args) {
        var array = args[start],
            otherArgs = castSlice(args, 0, start);

        if (array) {
          arrayPush(otherArgs, array);
        }
        return apply(func, this, otherArgs);
      });
    }

    /**
     * Creates a throttled function that only invokes `func` at most once per
     * every `wait` milliseconds. The throttled function comes with a `cancel`
     * method to cancel delayed `func` invocations and a `flush` method to
     * immediately invoke them. Provide `options` to indicate whether `func`
     * should be invoked on the leading and/or trailing edge of the `wait`
     * timeout. The `func` is invoked with the last arguments provided to the
     * throttled function. Subsequent calls to the throttled function return the
     * result of the last `func` invocation.
     *
     * **Note:** If `leading` and `trailing` options are `true`, `func` is
     * invoked on the trailing edge of the timeout only if the throttled function
     * is invoked more than once during the `wait` timeout.
     *
     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
     *
     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
     * for details over the differences between `_.throttle` and `_.debounce`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {Function} func The function to throttle.
     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.leading=true]
     *  Specify invoking on the leading edge of the timeout.
     * @param {boolean} [options.trailing=true]
     *  Specify invoking on the trailing edge of the timeout.
     * @returns {Function} Returns the new throttled function.
     * @example
     *
     * // Avoid excessively updating the position while scrolling.
     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
     *
     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
     * jQuery(element).on('click', throttled);
     *
     * // Cancel the trailing throttled invocation.
     * jQuery(window).on('popstate', throttled.cancel);
     */
    function throttle(func, wait, options) {
      var leading = true,
          trailing = true;

      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      if (isObject(options)) {
        leading = 'leading' in options ? !!options.leading : leading;
        trailing = 'trailing' in options ? !!options.trailing : trailing;
      }
      return debounce(func, wait, {
        'leading': leading,
        'maxWait': wait,
        'trailing': trailing
      });
    }

    /**
     * Creates a function that accepts up to one argument, ignoring any
     * additional arguments.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Function
     * @param {Function} func The function to cap arguments for.
     * @returns {Function} Returns the new capped function.
     * @example
     *
     * _.map(['6', '8', '10'], _.unary(parseInt));
     * // => [6, 8, 10]
     */
    function unary(func) {
      return ary(func, 1);
    }

    /**
     * Creates a function that provides `value` to `wrapper` as its first
     * argument. Any additional arguments provided to the function are appended
     * to those provided to the `wrapper`. The wrapper is invoked with the `this`
     * binding of the created function.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Function
     * @param {*} value The value to wrap.
     * @param {Function} [wrapper=identity] The wrapper function.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var p = _.wrap(_.escape, function(func, text) {
     *   return '<p>' + func(text) + '</p>';
     * });
     *
     * p('fred, barney, & pebbles');
     * // => '<p>fred, barney, &amp; pebbles</p>'
     */
    function wrap(value, wrapper) {
      return partial(castFunction(wrapper), value);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Casts `value` as an array if it's not one.
     *
     * @static
     * @memberOf _
     * @since 4.4.0
     * @category Lang
     * @param {*} value The value to inspect.
     * @returns {Array} Returns the cast array.
     * @example
     *
     * _.castArray(1);
     * // => [1]
     *
     * _.castArray({ 'a': 1 });
     * // => [{ 'a': 1 }]
     *
     * _.castArray('abc');
     * // => ['abc']
     *
     * _.castArray(null);
     * // => [null]
     *
     * _.castArray(undefined);
     * // => [undefined]
     *
     * _.castArray();
     * // => []
     *
     * var array = [1, 2, 3];
     * console.log(_.castArray(array) === array);
     * // => true
     */
    function castArray() {
      if (!arguments.length) {
        return [];
      }
      var value = arguments[0];
      return isArray(value) ? value : [value];
    }

    /**
     * Creates a shallow clone of `value`.
     *
     * **Note:** This method is loosely based on the
     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
     * and supports cloning arrays, array buffers, booleans, date objects, maps,
     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
     * arrays. The own enumerable properties of `arguments` objects are cloned
     * as plain objects. An empty object is returned for uncloneable values such
     * as error objects, functions, DOM nodes, and WeakMaps.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to clone.
     * @returns {*} Returns the cloned value.
     * @see _.cloneDeep
     * @example
     *
     * var objects = [{ 'a': 1 }, { 'b': 2 }];
     *
     * var shallow = _.clone(objects);
     * console.log(shallow[0] === objects[0]);
     * // => true
     */
    function clone(value) {
      return baseClone(value, CLONE_SYMBOLS_FLAG);
    }

    /**
     * This method is like `_.clone` except that it accepts `customizer` which
     * is invoked to produce the cloned value. If `customizer` returns `undefined`,
     * cloning is handled by the method instead. The `customizer` is invoked with
     * up to four arguments; (value [, index|key, object, stack]).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to clone.
     * @param {Function} [customizer] The function to customize cloning.
     * @returns {*} Returns the cloned value.
     * @see _.cloneDeepWith
     * @example
     *
     * function customizer(value) {
     *   if (_.isElement(value)) {
     *     return value.cloneNode(false);
     *   }
     * }
     *
     * var el = _.cloneWith(document.body, customizer);
     *
     * console.log(el === document.body);
     * // => false
     * console.log(el.nodeName);
     * // => 'BODY'
     * console.log(el.childNodes.length);
     * // => 0
     */
    function cloneWith(value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
    }

    /**
     * This method is like `_.clone` except that it recursively clones `value`.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Lang
     * @param {*} value The value to recursively clone.
     * @returns {*} Returns the deep cloned value.
     * @see _.clone
     * @example
     *
     * var objects = [{ 'a': 1 }, { 'b': 2 }];
     *
     * var deep = _.cloneDeep(objects);
     * console.log(deep[0] === objects[0]);
     * // => false
     */
    function cloneDeep(value) {
      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
    }

    /**
     * This method is like `_.cloneWith` except that it recursively clones `value`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to recursively clone.
     * @param {Function} [customizer] The function to customize cloning.
     * @returns {*} Returns the deep cloned value.
     * @see _.cloneWith
     * @example
     *
     * function customizer(value) {
     *   if (_.isElement(value)) {
     *     return value.cloneNode(true);
     *   }
     * }
     *
     * var el = _.cloneDeepWith(document.body, customizer);
     *
     * console.log(el === document.body);
     * // => false
     * console.log(el.nodeName);
     * // => 'BODY'
     * console.log(el.childNodes.length);
     * // => 20
     */
    function cloneDeepWith(value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
    }

    /**
     * Checks if `object` conforms to `source` by invoking the predicate
     * properties of `source` with the corresponding property values of `object`.
     *
     * **Note:** This method is equivalent to `_.conforms` when `source` is
     * partially applied.
     *
     * @static
     * @memberOf _
     * @since 4.14.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property predicates to conform to.
     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     *
     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
     * // => true
     *
     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
     * // => false
     */
    function conformsTo(object, source) {
      return source == null || baseConformsTo(object, source, keys(source));
    }

    /**
     * Performs a
     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
     * comparison between two values to determine if they are equivalent.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * var object = { 'a': 1 };
     * var other = { 'a': 1 };
     *
     * _.eq(object, object);
     * // => true
     *
     * _.eq(object, other);
     * // => false
     *
     * _.eq('a', 'a');
     * // => true
     *
     * _.eq('a', Object('a'));
     * // => false
     *
     * _.eq(NaN, NaN);
     * // => true
     */
    function eq(value, other) {
      return value === other || (value !== value && other !== other);
    }

    /**
     * Checks if `value` is greater than `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than `other`,
     *  else `false`.
     * @see _.lt
     * @example
     *
     * _.gt(3, 1);
     * // => true
     *
     * _.gt(3, 3);
     * // => false
     *
     * _.gt(1, 3);
     * // => false
     */
    var gt = createRelationalOperation(baseGt);

    /**
     * Checks if `value` is greater than or equal to `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is greater than or equal to
     *  `other`, else `false`.
     * @see _.lte
     * @example
     *
     * _.gte(3, 1);
     * // => true
     *
     * _.gte(3, 3);
     * // => true
     *
     * _.gte(1, 3);
     * // => false
     */
    var gte = createRelationalOperation(function(value, other) {
      return value >= other;
    });

    /**
     * Checks if `value` is likely an `arguments` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
     *  else `false`.
     * @example
     *
     * _.isArguments(function() { return arguments; }());
     * // => true
     *
     * _.isArguments([1, 2, 3]);
     * // => false
     */
    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
        !propertyIsEnumerable.call(value, 'callee');
    };

    /**
     * Checks if `value` is classified as an `Array` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array, else `false`.
     * @example
     *
     * _.isArray([1, 2, 3]);
     * // => true
     *
     * _.isArray(document.body.children);
     * // => false
     *
     * _.isArray('abc');
     * // => false
     *
     * _.isArray(_.noop);
     * // => false
     */
    var isArray = Array.isArray;

    /**
     * Checks if `value` is classified as an `ArrayBuffer` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
     * @example
     *
     * _.isArrayBuffer(new ArrayBuffer(2));
     * // => true
     *
     * _.isArrayBuffer(new Array(2));
     * // => false
     */
    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;

    /**
     * Checks if `value` is array-like. A value is considered array-like if it's
     * not a function and has a `value.length` that's an integer greater than or
     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
     * @example
     *
     * _.isArrayLike([1, 2, 3]);
     * // => true
     *
     * _.isArrayLike(document.body.children);
     * // => true
     *
     * _.isArrayLike('abc');
     * // => true
     *
     * _.isArrayLike(_.noop);
     * // => false
     */
    function isArrayLike(value) {
      return value != null && isLength(value.length) && !isFunction(value);
    }

    /**
     * This method is like `_.isArrayLike` except that it also checks if `value`
     * is an object.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an array-like object,
     *  else `false`.
     * @example
     *
     * _.isArrayLikeObject([1, 2, 3]);
     * // => true
     *
     * _.isArrayLikeObject(document.body.children);
     * // => true
     *
     * _.isArrayLikeObject('abc');
     * // => false
     *
     * _.isArrayLikeObject(_.noop);
     * // => false
     */
    function isArrayLikeObject(value) {
      return isObjectLike(value) && isArrayLike(value);
    }

    /**
     * Checks if `value` is classified as a boolean primitive or object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
     * @example
     *
     * _.isBoolean(false);
     * // => true
     *
     * _.isBoolean(null);
     * // => false
     */
    function isBoolean(value) {
      return value === true || value === false ||
        (isObjectLike(value) && baseGetTag(value) == boolTag);
    }

    /**
     * Checks if `value` is a buffer.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
     * @example
     *
     * _.isBuffer(new Buffer(2));
     * // => true
     *
     * _.isBuffer(new Uint8Array(2));
     * // => false
     */
    var isBuffer = nativeIsBuffer || stubFalse;

    /**
     * Checks if `value` is classified as a `Date` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
     * @example
     *
     * _.isDate(new Date);
     * // => true
     *
     * _.isDate('Mon April 23 2012');
     * // => false
     */
    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;

    /**
     * Checks if `value` is likely a DOM element.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
     * @example
     *
     * _.isElement(document.body);
     * // => true
     *
     * _.isElement('<body>');
     * // => false
     */
    function isElement(value) {
      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
    }

    /**
     * Checks if `value` is an empty object, collection, map, or set.
     *
     * Objects are considered empty if they have no own enumerable string keyed
     * properties.
     *
     * Array-like values such as `arguments` objects, arrays, buffers, strings, or
     * jQuery-like collections are considered empty if they have a `length` of `0`.
     * Similarly, maps and sets are considered empty if they have a `size` of `0`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is empty, else `false`.
     * @example
     *
     * _.isEmpty(null);
     * // => true
     *
     * _.isEmpty(true);
     * // => true
     *
     * _.isEmpty(1);
     * // => true
     *
     * _.isEmpty([1, 2, 3]);
     * // => false
     *
     * _.isEmpty({ 'a': 1 });
     * // => false
     */
    function isEmpty(value) {
      if (value == null) {
        return true;
      }
      if (isArrayLike(value) &&
          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
            isBuffer(value) || isTypedArray(value) || isArguments(value))) {
        return !value.length;
      }
      var tag = getTag(value);
      if (tag == mapTag || tag == setTag) {
        return !value.size;
      }
      if (isPrototype(value)) {
        return !baseKeys(value).length;
      }
      for (var key in value) {
        if (hasOwnProperty.call(value, key)) {
          return false;
        }
      }
      return true;
    }

    /**
     * Performs a deep comparison between two values to determine if they are
     * equivalent.
     *
     * **Note:** This method supports comparing arrays, array buffers, booleans,
     * date objects, error objects, maps, numbers, `Object` objects, regexes,
     * sets, strings, symbols, and typed arrays. `Object` objects are compared
     * by their own, not inherited, enumerable properties. Functions and DOM
     * nodes are compared by strict equality, i.e. `===`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * var object = { 'a': 1 };
     * var other = { 'a': 1 };
     *
     * _.isEqual(object, other);
     * // => true
     *
     * object === other;
     * // => false
     */
    function isEqual(value, other) {
      return baseIsEqual(value, other);
    }

    /**
     * This method is like `_.isEqual` except that it accepts `customizer` which
     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
     * are handled by the method instead. The `customizer` is invoked with up to
     * six arguments: (objValue, othValue [, index|key, object, other, stack]).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
     * @example
     *
     * function isGreeting(value) {
     *   return /^h(?:i|ello)$/.test(value);
     * }
     *
     * function customizer(objValue, othValue) {
     *   if (isGreeting(objValue) && isGreeting(othValue)) {
     *     return true;
     *   }
     * }
     *
     * var array = ['hello', 'goodbye'];
     * var other = ['hi', 'goodbye'];
     *
     * _.isEqualWith(array, other, customizer);
     * // => true
     */
    function isEqualWith(value, other, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      var result = customizer ? customizer(value, other) : undefined;
      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
    }

    /**
     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
     * `SyntaxError`, `TypeError`, or `URIError` object.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
     * @example
     *
     * _.isError(new Error);
     * // => true
     *
     * _.isError(Error);
     * // => false
     */
    function isError(value) {
      if (!isObjectLike(value)) {
        return false;
      }
      var tag = baseGetTag(value);
      return tag == errorTag || tag == domExcTag ||
        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
    }

    /**
     * Checks if `value` is a finite primitive number.
     *
     * **Note:** This method is based on
     * [`Number.isFinite`](https://mdn.io/Number/isFinite).
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
     * @example
     *
     * _.isFinite(3);
     * // => true
     *
     * _.isFinite(Number.MIN_VALUE);
     * // => true
     *
     * _.isFinite(Infinity);
     * // => false
     *
     * _.isFinite('3');
     * // => false
     */
    function isFinite(value) {
      return typeof value == 'number' && nativeIsFinite(value);
    }

    /**
     * Checks if `value` is classified as a `Function` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a function, else `false`.
     * @example
     *
     * _.isFunction(_);
     * // => true
     *
     * _.isFunction(/abc/);
     * // => false
     */
    function isFunction(value) {
      if (!isObject(value)) {
        return false;
      }
      // The use of `Object#toString` avoids issues with the `typeof` operator
      // in Safari 9 which returns 'object' for typed arrays and other constructors.
      var tag = baseGetTag(value);
      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
    }

    /**
     * Checks if `value` is an integer.
     *
     * **Note:** This method is based on
     * [`Number.isInteger`](https://mdn.io/Number/isInteger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
     * @example
     *
     * _.isInteger(3);
     * // => true
     *
     * _.isInteger(Number.MIN_VALUE);
     * // => false
     *
     * _.isInteger(Infinity);
     * // => false
     *
     * _.isInteger('3');
     * // => false
     */
    function isInteger(value) {
      return typeof value == 'number' && value == toInteger(value);
    }

    /**
     * Checks if `value` is a valid array-like length.
     *
     * **Note:** This method is loosely based on
     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
     * @example
     *
     * _.isLength(3);
     * // => true
     *
     * _.isLength(Number.MIN_VALUE);
     * // => false
     *
     * _.isLength(Infinity);
     * // => false
     *
     * _.isLength('3');
     * // => false
     */
    function isLength(value) {
      return typeof value == 'number' &&
        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
    }

    /**
     * Checks if `value` is the
     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
     * @example
     *
     * _.isObject({});
     * // => true
     *
     * _.isObject([1, 2, 3]);
     * // => true
     *
     * _.isObject(_.noop);
     * // => true
     *
     * _.isObject(null);
     * // => false
     */
    function isObject(value) {
      var type = typeof value;
      return value != null && (type == 'object' || type == 'function');
    }

    /**
     * Checks if `value` is object-like. A value is object-like if it's not `null`
     * and has a `typeof` result of "object".
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
     * @example
     *
     * _.isObjectLike({});
     * // => true
     *
     * _.isObjectLike([1, 2, 3]);
     * // => true
     *
     * _.isObjectLike(_.noop);
     * // => false
     *
     * _.isObjectLike(null);
     * // => false
     */
    function isObjectLike(value) {
      return value != null && typeof value == 'object';
    }

    /**
     * Checks if `value` is classified as a `Map` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
     * @example
     *
     * _.isMap(new Map);
     * // => true
     *
     * _.isMap(new WeakMap);
     * // => false
     */
    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;

    /**
     * Performs a partial deep comparison between `object` and `source` to
     * determine if `object` contains equivalent property values.
     *
     * **Note:** This method is equivalent to `_.matches` when `source` is
     * partially applied.
     *
     * Partial comparisons will match empty array and empty object `source`
     * values against any array or object value, respectively. See `_.isEqual`
     * for a list of supported value comparisons.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     * @example
     *
     * var object = { 'a': 1, 'b': 2 };
     *
     * _.isMatch(object, { 'b': 2 });
     * // => true
     *
     * _.isMatch(object, { 'b': 1 });
     * // => false
     */
    function isMatch(object, source) {
      return object === source || baseIsMatch(object, source, getMatchData(source));
    }

    /**
     * This method is like `_.isMatch` except that it accepts `customizer` which
     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
     * are handled by the method instead. The `customizer` is invoked with five
     * arguments: (objValue, srcValue, index|key, object, source).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {Object} object The object to inspect.
     * @param {Object} source The object of property values to match.
     * @param {Function} [customizer] The function to customize comparisons.
     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
     * @example
     *
     * function isGreeting(value) {
     *   return /^h(?:i|ello)$/.test(value);
     * }
     *
     * function customizer(objValue, srcValue) {
     *   if (isGreeting(objValue) && isGreeting(srcValue)) {
     *     return true;
     *   }
     * }
     *
     * var object = { 'greeting': 'hello' };
     * var source = { 'greeting': 'hi' };
     *
     * _.isMatchWith(object, source, customizer);
     * // => true
     */
    function isMatchWith(object, source, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseIsMatch(object, source, getMatchData(source), customizer);
    }

    /**
     * Checks if `value` is `NaN`.
     *
     * **Note:** This method is based on
     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
     * `undefined` and other non-number values.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
     * @example
     *
     * _.isNaN(NaN);
     * // => true
     *
     * _.isNaN(new Number(NaN));
     * // => true
     *
     * isNaN(undefined);
     * // => true
     *
     * _.isNaN(undefined);
     * // => false
     */
    function isNaN(value) {
      // An `NaN` primitive is the only value that is not equal to itself.
      // Perform the `toStringTag` check first to avoid errors with some
      // ActiveX objects in IE.
      return isNumber(value) && value != +value;
    }

    /**
     * Checks if `value` is a pristine native function.
     *
     * **Note:** This method can't reliably detect native functions in the presence
     * of the core-js package because core-js circumvents this kind of detection.
     * Despite multiple requests, the core-js maintainer has made it clear: any
     * attempt to fix the detection will be obstructed. As a result, we're left
     * with little choice but to throw an error. Unfortunately, this also affects
     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
     * which rely on core-js.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a native function,
     *  else `false`.
     * @example
     *
     * _.isNative(Array.prototype.push);
     * // => true
     *
     * _.isNative(_);
     * // => false
     */
    function isNative(value) {
      if (isMaskable(value)) {
        throw new Error(CORE_ERROR_TEXT);
      }
      return baseIsNative(value);
    }

    /**
     * Checks if `value` is `null`.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
     * @example
     *
     * _.isNull(null);
     * // => true
     *
     * _.isNull(void 0);
     * // => false
     */
    function isNull(value) {
      return value === null;
    }

    /**
     * Checks if `value` is `null` or `undefined`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
     * @example
     *
     * _.isNil(null);
     * // => true
     *
     * _.isNil(void 0);
     * // => true
     *
     * _.isNil(NaN);
     * // => false
     */
    function isNil(value) {
      return value == null;
    }

    /**
     * Checks if `value` is classified as a `Number` primitive or object.
     *
     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
     * classified as numbers, use the `_.isFinite` method.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a number, else `false`.
     * @example
     *
     * _.isNumber(3);
     * // => true
     *
     * _.isNumber(Number.MIN_VALUE);
     * // => true
     *
     * _.isNumber(Infinity);
     * // => true
     *
     * _.isNumber('3');
     * // => false
     */
    function isNumber(value) {
      return typeof value == 'number' ||
        (isObjectLike(value) && baseGetTag(value) == numberTag);
    }

    /**
     * Checks if `value` is a plain object, that is, an object created by the
     * `Object` constructor or one with a `[[Prototype]]` of `null`.
     *
     * @static
     * @memberOf _
     * @since 0.8.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * _.isPlainObject(new Foo);
     * // => false
     *
     * _.isPlainObject([1, 2, 3]);
     * // => false
     *
     * _.isPlainObject({ 'x': 0, 'y': 0 });
     * // => true
     *
     * _.isPlainObject(Object.create(null));
     * // => true
     */
    function isPlainObject(value) {
      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
        return false;
      }
      var proto = getPrototype(value);
      if (proto === null) {
        return true;
      }
      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
      return typeof Ctor == 'function' && Ctor instanceof Ctor &&
        funcToString.call(Ctor) == objectCtorString;
    }

    /**
     * Checks if `value` is classified as a `RegExp` object.
     *
     * @static
     * @memberOf _
     * @since 0.1.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
     * @example
     *
     * _.isRegExp(/abc/);
     * // => true
     *
     * _.isRegExp('/abc/');
     * // => false
     */
    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;

    /**
     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
     * double precision number which isn't the result of a rounded unsafe integer.
     *
     * **Note:** This method is based on
     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
     * @example
     *
     * _.isSafeInteger(3);
     * // => true
     *
     * _.isSafeInteger(Number.MIN_VALUE);
     * // => false
     *
     * _.isSafeInteger(Infinity);
     * // => false
     *
     * _.isSafeInteger('3');
     * // => false
     */
    function isSafeInteger(value) {
      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
    }

    /**
     * Checks if `value` is classified as a `Set` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
     * @example
     *
     * _.isSet(new Set);
     * // => true
     *
     * _.isSet(new WeakSet);
     * // => false
     */
    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;

    /**
     * Checks if `value` is classified as a `String` primitive or object.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a string, else `false`.
     * @example
     *
     * _.isString('abc');
     * // => true
     *
     * _.isString(1);
     * // => false
     */
    function isString(value) {
      return typeof value == 'string' ||
        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
    }

    /**
     * Checks if `value` is classified as a `Symbol` primitive or object.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
     * @example
     *
     * _.isSymbol(Symbol.iterator);
     * // => true
     *
     * _.isSymbol('abc');
     * // => false
     */
    function isSymbol(value) {
      return typeof value == 'symbol' ||
        (isObjectLike(value) && baseGetTag(value) == symbolTag);
    }

    /**
     * Checks if `value` is classified as a typed array.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
     * @example
     *
     * _.isTypedArray(new Uint8Array);
     * // => true
     *
     * _.isTypedArray([]);
     * // => false
     */
    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;

    /**
     * Checks if `value` is `undefined`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
     * @example
     *
     * _.isUndefined(void 0);
     * // => true
     *
     * _.isUndefined(null);
     * // => false
     */
    function isUndefined(value) {
      return value === undefined;
    }

    /**
     * Checks if `value` is classified as a `WeakMap` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
     * @example
     *
     * _.isWeakMap(new WeakMap);
     * // => true
     *
     * _.isWeakMap(new Map);
     * // => false
     */
    function isWeakMap(value) {
      return isObjectLike(value) && getTag(value) == weakMapTag;
    }

    /**
     * Checks if `value` is classified as a `WeakSet` object.
     *
     * @static
     * @memberOf _
     * @since 4.3.0
     * @category Lang
     * @param {*} value The value to check.
     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
     * @example
     *
     * _.isWeakSet(new WeakSet);
     * // => true
     *
     * _.isWeakSet(new Set);
     * // => false
     */
    function isWeakSet(value) {
      return isObjectLike(value) && baseGetTag(value) == weakSetTag;
    }

    /**
     * Checks if `value` is less than `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than `other`,
     *  else `false`.
     * @see _.gt
     * @example
     *
     * _.lt(1, 3);
     * // => true
     *
     * _.lt(3, 3);
     * // => false
     *
     * _.lt(3, 1);
     * // => false
     */
    var lt = createRelationalOperation(baseLt);

    /**
     * Checks if `value` is less than or equal to `other`.
     *
     * @static
     * @memberOf _
     * @since 3.9.0
     * @category Lang
     * @param {*} value The value to compare.
     * @param {*} other The other value to compare.
     * @returns {boolean} Returns `true` if `value` is less than or equal to
     *  `other`, else `false`.
     * @see _.gte
     * @example
     *
     * _.lte(1, 3);
     * // => true
     *
     * _.lte(3, 3);
     * // => true
     *
     * _.lte(3, 1);
     * // => false
     */
    var lte = createRelationalOperation(function(value, other) {
      return value <= other;
    });

    /**
     * Converts `value` to an array.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {Array} Returns the converted array.
     * @example
     *
     * _.toArray({ 'a': 1, 'b': 2 });
     * // => [1, 2]
     *
     * _.toArray('abc');
     * // => ['a', 'b', 'c']
     *
     * _.toArray(1);
     * // => []
     *
     * _.toArray(null);
     * // => []
     */
    function toArray(value) {
      if (!value) {
        return [];
      }
      if (isArrayLike(value)) {
        return isString(value) ? stringToArray(value) : copyArray(value);
      }
      if (symIterator && value[symIterator]) {
        return iteratorToArray(value[symIterator]());
      }
      var tag = getTag(value),
          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);

      return func(value);
    }

    /**
     * Converts `value` to a finite number.
     *
     * @static
     * @memberOf _
     * @since 4.12.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted number.
     * @example
     *
     * _.toFinite(3.2);
     * // => 3.2
     *
     * _.toFinite(Number.MIN_VALUE);
     * // => 5e-324
     *
     * _.toFinite(Infinity);
     * // => 1.7976931348623157e+308
     *
     * _.toFinite('3.2');
     * // => 3.2
     */
    function toFinite(value) {
      if (!value) {
        return value === 0 ? value : 0;
      }
      value = toNumber(value);
      if (value === INFINITY || value === -INFINITY) {
        var sign = (value < 0 ? -1 : 1);
        return sign * MAX_INTEGER;
      }
      return value === value ? value : 0;
    }

    /**
     * Converts `value` to an integer.
     *
     * **Note:** This method is loosely based on
     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toInteger(3.2);
     * // => 3
     *
     * _.toInteger(Number.MIN_VALUE);
     * // => 0
     *
     * _.toInteger(Infinity);
     * // => 1.7976931348623157e+308
     *
     * _.toInteger('3.2');
     * // => 3
     */
    function toInteger(value) {
      var result = toFinite(value),
          remainder = result % 1;

      return result === result ? (remainder ? result - remainder : result) : 0;
    }

    /**
     * Converts `value` to an integer suitable for use as the length of an
     * array-like object.
     *
     * **Note:** This method is based on
     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toLength(3.2);
     * // => 3
     *
     * _.toLength(Number.MIN_VALUE);
     * // => 0
     *
     * _.toLength(Infinity);
     * // => 4294967295
     *
     * _.toLength('3.2');
     * // => 3
     */
    function toLength(value) {
      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
    }

    /**
     * Converts `value` to a number.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to process.
     * @returns {number} Returns the number.
     * @example
     *
     * _.toNumber(3.2);
     * // => 3.2
     *
     * _.toNumber(Number.MIN_VALUE);
     * // => 5e-324
     *
     * _.toNumber(Infinity);
     * // => Infinity
     *
     * _.toNumber('3.2');
     * // => 3.2
     */
    function toNumber(value) {
      if (typeof value == 'number') {
        return value;
      }
      if (isSymbol(value)) {
        return NAN;
      }
      if (isObject(value)) {
        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
        value = isObject(other) ? (other + '') : other;
      }
      if (typeof value != 'string') {
        return value === 0 ? value : +value;
      }
      value = value.replace(reTrim, '');
      var isBinary = reIsBinary.test(value);
      return (isBinary || reIsOctal.test(value))
        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
        : (reIsBadHex.test(value) ? NAN : +value);
    }

    /**
     * Converts `value` to a plain object flattening inherited enumerable string
     * keyed properties of `value` to own properties of the plain object.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {Object} Returns the converted plain object.
     * @example
     *
     * function Foo() {
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.assign({ 'a': 1 }, new Foo);
     * // => { 'a': 1, 'b': 2 }
     *
     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
     * // => { 'a': 1, 'b': 2, 'c': 3 }
     */
    function toPlainObject(value) {
      return copyObject(value, keysIn(value));
    }

    /**
     * Converts `value` to a safe integer. A safe integer can be compared and
     * represented correctly.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.toSafeInteger(3.2);
     * // => 3
     *
     * _.toSafeInteger(Number.MIN_VALUE);
     * // => 0
     *
     * _.toSafeInteger(Infinity);
     * // => 9007199254740991
     *
     * _.toSafeInteger('3.2');
     * // => 3
     */
    function toSafeInteger(value) {
      return value
        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
        : (value === 0 ? value : 0);
    }

    /**
     * Converts `value` to a string. An empty string is returned for `null`
     * and `undefined` values. The sign of `-0` is preserved.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Lang
     * @param {*} value The value to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.toString(null);
     * // => ''
     *
     * _.toString(-0);
     * // => '-0'
     *
     * _.toString([1, 2, 3]);
     * // => '1,2,3'
     */
    function toString(value) {
      return value == null ? '' : baseToString(value);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Assigns own enumerable string keyed properties of source objects to the
     * destination object. Source objects are applied from left to right.
     * Subsequent sources overwrite property assignments of previous sources.
     *
     * **Note:** This method mutates `object` and is loosely based on
     * [`Object.assign`](https://mdn.io/Object/assign).
     *
     * @static
     * @memberOf _
     * @since 0.10.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.assignIn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * function Bar() {
     *   this.c = 3;
     * }
     *
     * Foo.prototype.b = 2;
     * Bar.prototype.d = 4;
     *
     * _.assign({ 'a': 0 }, new Foo, new Bar);
     * // => { 'a': 1, 'c': 3 }
     */
    var assign = createAssigner(function(object, source) {
      if (isPrototype(source) || isArrayLike(source)) {
        copyObject(source, keys(source), object);
        return;
      }
      for (var key in source) {
        if (hasOwnProperty.call(source, key)) {
          assignValue(object, key, source[key]);
        }
      }
    });

    /**
     * This method is like `_.assign` except that it iterates over own and
     * inherited source properties.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias extend
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.assign
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     * }
     *
     * function Bar() {
     *   this.c = 3;
     * }
     *
     * Foo.prototype.b = 2;
     * Bar.prototype.d = 4;
     *
     * _.assignIn({ 'a': 0 }, new Foo, new Bar);
     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
     */
    var assignIn = createAssigner(function(object, source) {
      copyObject(source, keysIn(source), object);
    });

    /**
     * This method is like `_.assignIn` except that it accepts `customizer`
     * which is invoked to produce the assigned values. If `customizer` returns
     * `undefined`, assignment is handled by the method instead. The `customizer`
     * is invoked with five arguments: (objValue, srcValue, key, object, source).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias extendWith
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @see _.assignWith
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   return _.isUndefined(objValue) ? srcValue : objValue;
     * }
     *
     * var defaults = _.partialRight(_.assignInWith, customizer);
     *
     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
      copyObject(source, keysIn(source), object, customizer);
    });

    /**
     * This method is like `_.assign` except that it accepts `customizer`
     * which is invoked to produce the assigned values. If `customizer` returns
     * `undefined`, assignment is handled by the method instead. The `customizer`
     * is invoked with five arguments: (objValue, srcValue, key, object, source).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @see _.assignInWith
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   return _.isUndefined(objValue) ? srcValue : objValue;
     * }
     *
     * var defaults = _.partialRight(_.assignWith, customizer);
     *
     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
      copyObject(source, keys(source), object, customizer);
    });

    /**
     * Creates an array of values corresponding to `paths` of `object`.
     *
     * @static
     * @memberOf _
     * @since 1.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Array} Returns the picked values.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
     *
     * _.at(object, ['a[0].b.c', 'a[1]']);
     * // => [3, 4]
     */
    var at = flatRest(baseAt);

    /**
     * Creates an object that inherits from the `prototype` object. If a
     * `properties` object is given, its own enumerable string keyed properties
     * are assigned to the created object.
     *
     * @static
     * @memberOf _
     * @since 2.3.0
     * @category Object
     * @param {Object} prototype The object to inherit from.
     * @param {Object} [properties] The properties to assign to the object.
     * @returns {Object} Returns the new object.
     * @example
     *
     * function Shape() {
     *   this.x = 0;
     *   this.y = 0;
     * }
     *
     * function Circle() {
     *   Shape.call(this);
     * }
     *
     * Circle.prototype = _.create(Shape.prototype, {
     *   'constructor': Circle
     * });
     *
     * var circle = new Circle;
     * circle instanceof Circle;
     * // => true
     *
     * circle instanceof Shape;
     * // => true
     */
    function create(prototype, properties) {
      var result = baseCreate(prototype);
      return properties == null ? result : baseAssign(result, properties);
    }

    /**
     * Assigns own and inherited enumerable string keyed properties of source
     * objects to the destination object for all destination properties that
     * resolve to `undefined`. Source objects are applied from left to right.
     * Once a property is set, additional values of the same property are ignored.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.defaultsDeep
     * @example
     *
     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
     * // => { 'a': 1, 'b': 2 }
     */
    var defaults = baseRest(function(object, sources) {
      object = Object(object);

      var index = -1;
      var length = sources.length;
      var guard = length > 2 ? sources[2] : undefined;

      if (guard && isIterateeCall(sources[0], sources[1], guard)) {
        length = 1;
      }

      while (++index < length) {
        var source = sources[index];
        var props = keysIn(source);
        var propsIndex = -1;
        var propsLength = props.length;

        while (++propsIndex < propsLength) {
          var key = props[propsIndex];
          var value = object[key];

          if (value === undefined ||
              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
            object[key] = source[key];
          }
        }
      }

      return object;
    });

    /**
     * This method is like `_.defaults` except that it recursively assigns
     * default properties.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @see _.defaults
     * @example
     *
     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
     * // => { 'a': { 'b': 2, 'c': 3 } }
     */
    var defaultsDeep = baseRest(function(args) {
      args.push(undefined, customDefaultsMerge);
      return apply(mergeWith, undefined, args);
    });

    /**
     * This method is like `_.find` except that it returns the key of the first
     * element `predicate` returns truthy for instead of the element itself.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {string|undefined} Returns the key of the matched element,
     *  else `undefined`.
     * @example
     *
     * var users = {
     *   'barney':  { 'age': 36, 'active': true },
     *   'fred':    { 'age': 40, 'active': false },
     *   'pebbles': { 'age': 1,  'active': true }
     * };
     *
     * _.findKey(users, function(o) { return o.age < 40; });
     * // => 'barney' (iteration order is not guaranteed)
     *
     * // The `_.matches` iteratee shorthand.
     * _.findKey(users, { 'age': 1, 'active': true });
     * // => 'pebbles'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findKey(users, ['active', false]);
     * // => 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.findKey(users, 'active');
     * // => 'barney'
     */
    function findKey(object, predicate) {
      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
    }

    /**
     * This method is like `_.findKey` except that it iterates over elements of
     * a collection in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @param {Function} [predicate=_.identity] The function invoked per iteration.
     * @returns {string|undefined} Returns the key of the matched element,
     *  else `undefined`.
     * @example
     *
     * var users = {
     *   'barney':  { 'age': 36, 'active': true },
     *   'fred':    { 'age': 40, 'active': false },
     *   'pebbles': { 'age': 1,  'active': true }
     * };
     *
     * _.findLastKey(users, function(o) { return o.age < 40; });
     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
     *
     * // The `_.matches` iteratee shorthand.
     * _.findLastKey(users, { 'age': 36, 'active': true });
     * // => 'barney'
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.findLastKey(users, ['active', false]);
     * // => 'fred'
     *
     * // The `_.property` iteratee shorthand.
     * _.findLastKey(users, 'active');
     * // => 'pebbles'
     */
    function findLastKey(object, predicate) {
      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
    }

    /**
     * Iterates over own and inherited enumerable string keyed properties of an
     * object and invokes `iteratee` for each property. The iteratee is invoked
     * with three arguments: (value, key, object). Iteratee functions may exit
     * iteration early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 0.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forInRight
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forIn(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
     */
    function forIn(object, iteratee) {
      return object == null
        ? object
        : baseFor(object, getIteratee(iteratee, 3), keysIn);
    }

    /**
     * This method is like `_.forIn` except that it iterates over properties of
     * `object` in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forIn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forInRight(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
     */
    function forInRight(object, iteratee) {
      return object == null
        ? object
        : baseForRight(object, getIteratee(iteratee, 3), keysIn);
    }

    /**
     * Iterates over own enumerable string keyed properties of an object and
     * invokes `iteratee` for each property. The iteratee is invoked with three
     * arguments: (value, key, object). Iteratee functions may exit iteration
     * early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 0.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forOwnRight
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forOwn(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
     */
    function forOwn(object, iteratee) {
      return object && baseForOwn(object, getIteratee(iteratee, 3));
    }

    /**
     * This method is like `_.forOwn` except that it iterates over properties of
     * `object` in the opposite order.
     *
     * @static
     * @memberOf _
     * @since 2.0.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns `object`.
     * @see _.forOwn
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.forOwnRight(new Foo, function(value, key) {
     *   console.log(key);
     * });
     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
     */
    function forOwnRight(object, iteratee) {
      return object && baseForOwnRight(object, getIteratee(iteratee, 3));
    }

    /**
     * Creates an array of function property names from own enumerable properties
     * of `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to inspect.
     * @returns {Array} Returns the function names.
     * @see _.functionsIn
     * @example
     *
     * function Foo() {
     *   this.a = _.constant('a');
     *   this.b = _.constant('b');
     * }
     *
     * Foo.prototype.c = _.constant('c');
     *
     * _.functions(new Foo);
     * // => ['a', 'b']
     */
    function functions(object) {
      return object == null ? [] : baseFunctions(object, keys(object));
    }

    /**
     * Creates an array of function property names from own and inherited
     * enumerable properties of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to inspect.
     * @returns {Array} Returns the function names.
     * @see _.functions
     * @example
     *
     * function Foo() {
     *   this.a = _.constant('a');
     *   this.b = _.constant('b');
     * }
     *
     * Foo.prototype.c = _.constant('c');
     *
     * _.functionsIn(new Foo);
     * // => ['a', 'b', 'c']
     */
    function functionsIn(object) {
      return object == null ? [] : baseFunctions(object, keysIn(object));
    }

    /**
     * Gets the value at `path` of `object`. If the resolved value is
     * `undefined`, the `defaultValue` is returned in its place.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to get.
     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.get(object, 'a[0].b.c');
     * // => 3
     *
     * _.get(object, ['a', '0', 'b', 'c']);
     * // => 3
     *
     * _.get(object, 'a.b.c', 'default');
     * // => 'default'
     */
    function get(object, path, defaultValue) {
      var result = object == null ? undefined : baseGet(object, path);
      return result === undefined ? defaultValue : result;
    }

    /**
     * Checks if `path` is a direct property of `object`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     * @example
     *
     * var object = { 'a': { 'b': 2 } };
     * var other = _.create({ 'a': _.create({ 'b': 2 }) });
     *
     * _.has(object, 'a');
     * // => true
     *
     * _.has(object, 'a.b');
     * // => true
     *
     * _.has(object, ['a', 'b']);
     * // => true
     *
     * _.has(other, 'a');
     * // => false
     */
    function has(object, path) {
      return object != null && hasPath(object, path, baseHas);
    }

    /**
     * Checks if `path` is a direct or inherited property of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path to check.
     * @returns {boolean} Returns `true` if `path` exists, else `false`.
     * @example
     *
     * var object = _.create({ 'a': _.create({ 'b': 2 }) });
     *
     * _.hasIn(object, 'a');
     * // => true
     *
     * _.hasIn(object, 'a.b');
     * // => true
     *
     * _.hasIn(object, ['a', 'b']);
     * // => true
     *
     * _.hasIn(object, 'b');
     * // => false
     */
    function hasIn(object, path) {
      return object != null && hasPath(object, path, baseHasIn);
    }

    /**
     * Creates an object composed of the inverted keys and values of `object`.
     * If `object` contains duplicate values, subsequent values overwrite
     * property assignments of previous values.
     *
     * @static
     * @memberOf _
     * @since 0.7.0
     * @category Object
     * @param {Object} object The object to invert.
     * @returns {Object} Returns the new inverted object.
     * @example
     *
     * var object = { 'a': 1, 'b': 2, 'c': 1 };
     *
     * _.invert(object);
     * // => { '1': 'c', '2': 'b' }
     */
    var invert = createInverter(function(result, value, key) {
      if (value != null &&
          typeof value.toString != 'function') {
        value = nativeObjectToString.call(value);
      }

      result[value] = key;
    }, constant(identity));

    /**
     * This method is like `_.invert` except that the inverted object is generated
     * from the results of running each element of `object` thru `iteratee`. The
     * corresponding inverted value of each inverted key is an array of keys
     * responsible for generating the inverted value. The iteratee is invoked
     * with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.1.0
     * @category Object
     * @param {Object} object The object to invert.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {Object} Returns the new inverted object.
     * @example
     *
     * var object = { 'a': 1, 'b': 2, 'c': 1 };
     *
     * _.invertBy(object);
     * // => { '1': ['a', 'c'], '2': ['b'] }
     *
     * _.invertBy(object, function(value) {
     *   return 'group' + value;
     * });
     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
     */
    var invertBy = createInverter(function(result, value, key) {
      if (value != null &&
          typeof value.toString != 'function') {
        value = nativeObjectToString.call(value);
      }

      if (hasOwnProperty.call(result, value)) {
        result[value].push(key);
      } else {
        result[value] = [key];
      }
    }, getIteratee);

    /**
     * Invokes the method at `path` of `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the method to invoke.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {*} Returns the result of the invoked method.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
     *
     * _.invoke(object, 'a[0].b.c.slice', 1, 3);
     * // => [2, 3]
     */
    var invoke = baseRest(baseInvoke);

    /**
     * Creates an array of the own enumerable property names of `object`.
     *
     * **Note:** Non-object values are coerced to objects. See the
     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
     * for more details.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.keys(new Foo);
     * // => ['a', 'b'] (iteration order is not guaranteed)
     *
     * _.keys('hi');
     * // => ['0', '1']
     */
    function keys(object) {
      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
    }

    /**
     * Creates an array of the own and inherited enumerable property names of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property names.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.keysIn(new Foo);
     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
     */
    function keysIn(object) {
      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
    }

    /**
     * The opposite of `_.mapValues`; this method creates an object with the
     * same values as `object` and keys generated by running each own enumerable
     * string keyed property of `object` thru `iteratee`. The iteratee is invoked
     * with three arguments: (value, key, object).
     *
     * @static
     * @memberOf _
     * @since 3.8.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns the new mapped object.
     * @see _.mapValues
     * @example
     *
     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
     *   return key + value;
     * });
     * // => { 'a1': 1, 'b2': 2 }
     */
    function mapKeys(object, iteratee) {
      var result = {};
      iteratee = getIteratee(iteratee, 3);

      baseForOwn(object, function(value, key, object) {
        baseAssignValue(result, iteratee(value, key, object), value);
      });
      return result;
    }

    /**
     * Creates an object with the same keys as `object` and values generated
     * by running each own enumerable string keyed property of `object` thru
     * `iteratee`. The iteratee is invoked with three arguments:
     * (value, key, object).
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Object} Returns the new mapped object.
     * @see _.mapKeys
     * @example
     *
     * var users = {
     *   'fred':    { 'user': 'fred',    'age': 40 },
     *   'pebbles': { 'user': 'pebbles', 'age': 1 }
     * };
     *
     * _.mapValues(users, function(o) { return o.age; });
     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
     *
     * // The `_.property` iteratee shorthand.
     * _.mapValues(users, 'age');
     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
     */
    function mapValues(object, iteratee) {
      var result = {};
      iteratee = getIteratee(iteratee, 3);

      baseForOwn(object, function(value, key, object) {
        baseAssignValue(result, key, iteratee(value, key, object));
      });
      return result;
    }

    /**
     * This method is like `_.assign` except that it recursively merges own and
     * inherited enumerable string keyed properties of source objects into the
     * destination object. Source properties that resolve to `undefined` are
     * skipped if a destination value exists. Array and plain object properties
     * are merged recursively. Other objects and value types are overridden by
     * assignment. Source objects are applied from left to right. Subsequent
     * sources overwrite property assignments of previous sources.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 0.5.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} [sources] The source objects.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {
     *   'a': [{ 'b': 2 }, { 'd': 4 }]
     * };
     *
     * var other = {
     *   'a': [{ 'c': 3 }, { 'e': 5 }]
     * };
     *
     * _.merge(object, other);
     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
     */
    var merge = createAssigner(function(object, source, srcIndex) {
      baseMerge(object, source, srcIndex);
    });

    /**
     * This method is like `_.merge` except that it accepts `customizer` which
     * is invoked to produce the merged values of the destination and source
     * properties. If `customizer` returns `undefined`, merging is handled by the
     * method instead. The `customizer` is invoked with six arguments:
     * (objValue, srcValue, key, object, source, stack).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The destination object.
     * @param {...Object} sources The source objects.
     * @param {Function} customizer The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * function customizer(objValue, srcValue) {
     *   if (_.isArray(objValue)) {
     *     return objValue.concat(srcValue);
     *   }
     * }
     *
     * var object = { 'a': [1], 'b': [2] };
     * var other = { 'a': [3], 'b': [4] };
     *
     * _.mergeWith(object, other, customizer);
     * // => { 'a': [1, 3], 'b': [2, 4] }
     */
    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
      baseMerge(object, source, srcIndex, customizer);
    });

    /**
     * The opposite of `_.pick`; this method creates an object composed of the
     * own and inherited enumerable property paths of `object` that are not omitted.
     *
     * **Note:** This method is considerably slower than `_.pick`.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The source object.
     * @param {...(string|string[])} [paths] The property paths to omit.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.omit(object, ['a', 'c']);
     * // => { 'b': '2' }
     */
    var omit = flatRest(function(object, paths) {
      var result = {};
      if (object == null) {
        return result;
      }
      var isDeep = false;
      paths = arrayMap(paths, function(path) {
        path = castPath(path, object);
        isDeep || (isDeep = path.length > 1);
        return path;
      });
      copyObject(object, getAllKeysIn(object), result);
      if (isDeep) {
        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
      }
      var length = paths.length;
      while (length--) {
        baseUnset(result, paths[length]);
      }
      return result;
    });

    /**
     * The opposite of `_.pickBy`; this method creates an object composed of
     * the own and inherited enumerable string keyed properties of `object` that
     * `predicate` doesn't return truthy for. The predicate is invoked with two
     * arguments: (value, key).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The source object.
     * @param {Function} [predicate=_.identity] The function invoked per property.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.omitBy(object, _.isNumber);
     * // => { 'b': '2' }
     */
    function omitBy(object, predicate) {
      return pickBy(object, negate(getIteratee(predicate)));
    }

    /**
     * Creates an object composed of the picked `object` properties.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The source object.
     * @param {...(string|string[])} [paths] The property paths to pick.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.pick(object, ['a', 'c']);
     * // => { 'a': 1, 'c': 3 }
     */
    var pick = flatRest(function(object, paths) {
      return object == null ? {} : basePick(object, paths);
    });

    /**
     * Creates an object composed of the `object` properties `predicate` returns
     * truthy for. The predicate is invoked with two arguments: (value, key).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The source object.
     * @param {Function} [predicate=_.identity] The function invoked per property.
     * @returns {Object} Returns the new object.
     * @example
     *
     * var object = { 'a': 1, 'b': '2', 'c': 3 };
     *
     * _.pickBy(object, _.isNumber);
     * // => { 'a': 1, 'c': 3 }
     */
    function pickBy(object, predicate) {
      if (object == null) {
        return {};
      }
      var props = arrayMap(getAllKeysIn(object), function(prop) {
        return [prop];
      });
      predicate = getIteratee(predicate);
      return basePickBy(object, props, function(value, path) {
        return predicate(value, path[0]);
      });
    }

    /**
     * This method is like `_.get` except that if the resolved value is a
     * function it's invoked with the `this` binding of its parent object and
     * its result is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @param {Array|string} path The path of the property to resolve.
     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
     *
     * _.result(object, 'a[0].b.c1');
     * // => 3
     *
     * _.result(object, 'a[0].b.c2');
     * // => 4
     *
     * _.result(object, 'a[0].b.c3', 'default');
     * // => 'default'
     *
     * _.result(object, 'a[0].b.c3', _.constant('default'));
     * // => 'default'
     */
    function result(object, path, defaultValue) {
      path = castPath(path, object);

      var index = -1,
          length = path.length;

      // Ensure the loop is entered when path is empty.
      if (!length) {
        length = 1;
        object = undefined;
      }
      while (++index < length) {
        var value = object == null ? undefined : object[toKey(path[index])];
        if (value === undefined) {
          index = length;
          value = defaultValue;
        }
        object = isFunction(value) ? value.call(object) : value;
      }
      return object;
    }

    /**
     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
     * it's created. Arrays are created for missing index properties while objects
     * are created for all other missing properties. Use `_.setWith` to customize
     * `path` creation.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.set(object, 'a[0].b.c', 4);
     * console.log(object.a[0].b.c);
     * // => 4
     *
     * _.set(object, ['x', '0', 'y', 'z'], 5);
     * console.log(object.x[0].y.z);
     * // => 5
     */
    function set(object, path, value) {
      return object == null ? object : baseSet(object, path, value);
    }

    /**
     * This method is like `_.set` except that it accepts `customizer` which is
     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
     * path creation is handled by the method instead. The `customizer` is invoked
     * with three arguments: (nsValue, key, nsObject).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {*} value The value to set.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {};
     *
     * _.setWith(object, '[0][1]', 'a', Object);
     * // => { '0': { '1': 'a' } }
     */
    function setWith(object, path, value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return object == null ? object : baseSet(object, path, value, customizer);
    }

    /**
     * Creates an array of own enumerable string keyed-value pairs for `object`
     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
     * entries are returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias entries
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the key-value pairs.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.toPairs(new Foo);
     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
     */
    var toPairs = createToPairs(keys);

    /**
     * Creates an array of own and inherited enumerable string keyed-value pairs
     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
     * or set, its entries are returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @alias entriesIn
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the key-value pairs.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.toPairsIn(new Foo);
     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
     */
    var toPairsIn = createToPairs(keysIn);

    /**
     * An alternative to `_.reduce`; this method transforms `object` to a new
     * `accumulator` object which is the result of running each of its own
     * enumerable string keyed properties thru `iteratee`, with each invocation
     * potentially mutating the `accumulator` object. If `accumulator` is not
     * provided, a new object with the same `[[Prototype]]` will be used. The
     * iteratee is invoked with four arguments: (accumulator, value, key, object).
     * Iteratee functions may exit iteration early by explicitly returning `false`.
     *
     * @static
     * @memberOf _
     * @since 1.3.0
     * @category Object
     * @param {Object} object The object to iterate over.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @param {*} [accumulator] The custom accumulator value.
     * @returns {*} Returns the accumulated value.
     * @example
     *
     * _.transform([2, 3, 4], function(result, n) {
     *   result.push(n *= n);
     *   return n % 2 == 0;
     * }, []);
     * // => [4, 9]
     *
     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
     *   (result[value] || (result[value] = [])).push(key);
     * }, {});
     * // => { '1': ['a', 'c'], '2': ['b'] }
     */
    function transform(object, iteratee, accumulator) {
      var isArr = isArray(object),
          isArrLike = isArr || isBuffer(object) || isTypedArray(object);

      iteratee = getIteratee(iteratee, 4);
      if (accumulator == null) {
        var Ctor = object && object.constructor;
        if (isArrLike) {
          accumulator = isArr ? new Ctor : [];
        }
        else if (isObject(object)) {
          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
        }
        else {
          accumulator = {};
        }
      }
      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
        return iteratee(accumulator, value, index, object);
      });
      return accumulator;
    }

    /**
     * Removes the property at `path` of `object`.
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to unset.
     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 7 } }] };
     * _.unset(object, 'a[0].b.c');
     * // => true
     *
     * console.log(object);
     * // => { 'a': [{ 'b': {} }] };
     *
     * _.unset(object, ['a', '0', 'b', 'c']);
     * // => true
     *
     * console.log(object);
     * // => { 'a': [{ 'b': {} }] };
     */
    function unset(object, path) {
      return object == null ? true : baseUnset(object, path);
    }

    /**
     * This method is like `_.set` except that accepts `updater` to produce the
     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
     * is invoked with one argument: (value).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {Function} updater The function to produce the updated value.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
     *
     * _.update(object, 'a[0].b.c', function(n) { return n * n; });
     * console.log(object.a[0].b.c);
     * // => 9
     *
     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
     * console.log(object.x[0].y.z);
     * // => 0
     */
    function update(object, path, updater) {
      return object == null ? object : baseUpdate(object, path, castFunction(updater));
    }

    /**
     * This method is like `_.update` except that it accepts `customizer` which is
     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
     * path creation is handled by the method instead. The `customizer` is invoked
     * with three arguments: (nsValue, key, nsObject).
     *
     * **Note:** This method mutates `object`.
     *
     * @static
     * @memberOf _
     * @since 4.6.0
     * @category Object
     * @param {Object} object The object to modify.
     * @param {Array|string} path The path of the property to set.
     * @param {Function} updater The function to produce the updated value.
     * @param {Function} [customizer] The function to customize assigned values.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var object = {};
     *
     * _.updateWith(object, '[0][1]', _.constant('a'), Object);
     * // => { '0': { '1': 'a' } }
     */
    function updateWith(object, path, updater, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
    }

    /**
     * Creates an array of the own enumerable string keyed property values of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property values.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.values(new Foo);
     * // => [1, 2] (iteration order is not guaranteed)
     *
     * _.values('hi');
     * // => ['h', 'i']
     */
    function values(object) {
      return object == null ? [] : baseValues(object, keys(object));
    }

    /**
     * Creates an array of the own and inherited enumerable string keyed property
     * values of `object`.
     *
     * **Note:** Non-object values are coerced to objects.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Object
     * @param {Object} object The object to query.
     * @returns {Array} Returns the array of property values.
     * @example
     *
     * function Foo() {
     *   this.a = 1;
     *   this.b = 2;
     * }
     *
     * Foo.prototype.c = 3;
     *
     * _.valuesIn(new Foo);
     * // => [1, 2, 3] (iteration order is not guaranteed)
     */
    function valuesIn(object) {
      return object == null ? [] : baseValues(object, keysIn(object));
    }

    /*------------------------------------------------------------------------*/

    /**
     * Clamps `number` within the inclusive `lower` and `upper` bounds.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Number
     * @param {number} number The number to clamp.
     * @param {number} [lower] The lower bound.
     * @param {number} upper The upper bound.
     * @returns {number} Returns the clamped number.
     * @example
     *
     * _.clamp(-10, -5, 5);
     * // => -5
     *
     * _.clamp(10, -5, 5);
     * // => 5
     */
    function clamp(number, lower, upper) {
      if (upper === undefined) {
        upper = lower;
        lower = undefined;
      }
      if (upper !== undefined) {
        upper = toNumber(upper);
        upper = upper === upper ? upper : 0;
      }
      if (lower !== undefined) {
        lower = toNumber(lower);
        lower = lower === lower ? lower : 0;
      }
      return baseClamp(toNumber(number), lower, upper);
    }

    /**
     * Checks if `n` is between `start` and up to, but not including, `end`. If
     * `end` is not specified, it's set to `start` with `start` then set to `0`.
     * If `start` is greater than `end` the params are swapped to support
     * negative ranges.
     *
     * @static
     * @memberOf _
     * @since 3.3.0
     * @category Number
     * @param {number} number The number to check.
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
     * @see _.range, _.rangeRight
     * @example
     *
     * _.inRange(3, 2, 4);
     * // => true
     *
     * _.inRange(4, 8);
     * // => true
     *
     * _.inRange(4, 2);
     * // => false
     *
     * _.inRange(2, 2);
     * // => false
     *
     * _.inRange(1.2, 2);
     * // => true
     *
     * _.inRange(5.2, 4);
     * // => false
     *
     * _.inRange(-3, -2, -6);
     * // => true
     */
    function inRange(number, start, end) {
      start = toFinite(start);
      if (end === undefined) {
        end = start;
        start = 0;
      } else {
        end = toFinite(end);
      }
      number = toNumber(number);
      return baseInRange(number, start, end);
    }

    /**
     * Produces a random number between the inclusive `lower` and `upper` bounds.
     * If only one argument is provided a number between `0` and the given number
     * is returned. If `floating` is `true`, or either `lower` or `upper` are
     * floats, a floating-point number is returned instead of an integer.
     *
     * **Note:** JavaScript follows the IEEE-754 standard for resolving
     * floating-point values which can produce unexpected results.
     *
     * @static
     * @memberOf _
     * @since 0.7.0
     * @category Number
     * @param {number} [lower=0] The lower bound.
     * @param {number} [upper=1] The upper bound.
     * @param {boolean} [floating] Specify returning a floating-point number.
     * @returns {number} Returns the random number.
     * @example
     *
     * _.random(0, 5);
     * // => an integer between 0 and 5
     *
     * _.random(5);
     * // => also an integer between 0 and 5
     *
     * _.random(5, true);
     * // => a floating-point number between 0 and 5
     *
     * _.random(1.2, 5.2);
     * // => a floating-point number between 1.2 and 5.2
     */
    function random(lower, upper, floating) {
      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
        upper = floating = undefined;
      }
      if (floating === undefined) {
        if (typeof upper == 'boolean') {
          floating = upper;
          upper = undefined;
        }
        else if (typeof lower == 'boolean') {
          floating = lower;
          lower = undefined;
        }
      }
      if (lower === undefined && upper === undefined) {
        lower = 0;
        upper = 1;
      }
      else {
        lower = toFinite(lower);
        if (upper === undefined) {
          upper = lower;
          lower = 0;
        } else {
          upper = toFinite(upper);
        }
      }
      if (lower > upper) {
        var temp = lower;
        lower = upper;
        upper = temp;
      }
      if (floating || lower % 1 || upper % 1) {
        var rand = nativeRandom();
        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
      }
      return baseRandom(lower, upper);
    }

    /*------------------------------------------------------------------------*/

    /**
     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the camel cased string.
     * @example
     *
     * _.camelCase('Foo Bar');
     * // => 'fooBar'
     *
     * _.camelCase('--foo-bar--');
     * // => 'fooBar'
     *
     * _.camelCase('__FOO_BAR__');
     * // => 'fooBar'
     */
    var camelCase = createCompounder(function(result, word, index) {
      word = word.toLowerCase();
      return result + (index ? capitalize(word) : word);
    });

    /**
     * Converts the first character of `string` to upper case and the remaining
     * to lower case.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to capitalize.
     * @returns {string} Returns the capitalized string.
     * @example
     *
     * _.capitalize('FRED');
     * // => 'Fred'
     */
    function capitalize(string) {
      return upperFirst(toString(string).toLowerCase());
    }

    /**
     * Deburrs `string` by converting
     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
     * letters to basic Latin letters and removing
     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to deburr.
     * @returns {string} Returns the deburred string.
     * @example
     *
     * _.deburr('déjà vu');
     * // => 'deja vu'
     */
    function deburr(string) {
      string = toString(string);
      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
    }

    /**
     * Checks if `string` ends with the given target string.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {string} [target] The string to search for.
     * @param {number} [position=string.length] The position to search up to.
     * @returns {boolean} Returns `true` if `string` ends with `target`,
     *  else `false`.
     * @example
     *
     * _.endsWith('abc', 'c');
     * // => true
     *
     * _.endsWith('abc', 'b');
     * // => false
     *
     * _.endsWith('abc', 'b', 2);
     * // => true
     */
    function endsWith(string, target, position) {
      string = toString(string);
      target = baseToString(target);

      var length = string.length;
      position = position === undefined
        ? length
        : baseClamp(toInteger(position), 0, length);

      var end = position;
      position -= target.length;
      return position >= 0 && string.slice(position, end) == target;
    }

    /**
     * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
     * corresponding HTML entities.
     *
     * **Note:** No other characters are escaped. To escape additional
     * characters use a third-party library like [_he_](https://mths.be/he).
     *
     * Though the ">" character is escaped for symmetry, characters like
     * ">" and "/" don't need escaping in HTML and have no special meaning
     * unless they're part of a tag or unquoted attribute value. See
     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
     * (under "semi-related fun fact") for more details.
     *
     * When working with HTML you should always
     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
     * XSS vectors.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category String
     * @param {string} [string=''] The string to escape.
     * @returns {string} Returns the escaped string.
     * @example
     *
     * _.escape('fred, barney, & pebbles');
     * // => 'fred, barney, &amp; pebbles'
     */
    function escape(string) {
      string = toString(string);
      return (string && reHasUnescapedHtml.test(string))
        ? string.replace(reUnescapedHtml, escapeHtmlChar)
        : string;
    }

    /**
     * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
     * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to escape.
     * @returns {string} Returns the escaped string.
     * @example
     *
     * _.escapeRegExp('[lodash](https://lodash.com/)');
     * // => '\[lodash\]\(https://lodash\.com/\)'
     */
    function escapeRegExp(string) {
      string = toString(string);
      return (string && reHasRegExpChar.test(string))
        ? string.replace(reRegExpChar, '\\$&')
        : string;
    }

    /**
     * Converts `string` to
     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the kebab cased string.
     * @example
     *
     * _.kebabCase('Foo Bar');
     * // => 'foo-bar'
     *
     * _.kebabCase('fooBar');
     * // => 'foo-bar'
     *
     * _.kebabCase('__FOO_BAR__');
     * // => 'foo-bar'
     */
    var kebabCase = createCompounder(function(result, word, index) {
      return result + (index ? '-' : '') + word.toLowerCase();
    });

    /**
     * Converts `string`, as space separated words, to lower case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the lower cased string.
     * @example
     *
     * _.lowerCase('--Foo-Bar--');
     * // => 'foo bar'
     *
     * _.lowerCase('fooBar');
     * // => 'foo bar'
     *
     * _.lowerCase('__FOO_BAR__');
     * // => 'foo bar'
     */
    var lowerCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + word.toLowerCase();
    });

    /**
     * Converts the first character of `string` to lower case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.lowerFirst('Fred');
     * // => 'fred'
     *
     * _.lowerFirst('FRED');
     * // => 'fRED'
     */
    var lowerFirst = createCaseFirst('toLowerCase');

    /**
     * Pads `string` on the left and right sides if it's shorter than `length`.
     * Padding characters are truncated if they can't be evenly divided by `length`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.pad('abc', 8);
     * // => '  abc   '
     *
     * _.pad('abc', 8, '_-');
     * // => '_-abc_-_'
     *
     * _.pad('abc', 3);
     * // => 'abc'
     */
    function pad(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      if (!length || strLength >= length) {
        return string;
      }
      var mid = (length - strLength) / 2;
      return (
        createPadding(nativeFloor(mid), chars) +
        string +
        createPadding(nativeCeil(mid), chars)
      );
    }

    /**
     * Pads `string` on the right side if it's shorter than `length`. Padding
     * characters are truncated if they exceed `length`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.padEnd('abc', 6);
     * // => 'abc   '
     *
     * _.padEnd('abc', 6, '_-');
     * // => 'abc_-_'
     *
     * _.padEnd('abc', 3);
     * // => 'abc'
     */
    function padEnd(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      return (length && strLength < length)
        ? (string + createPadding(length - strLength, chars))
        : string;
    }

    /**
     * Pads `string` on the left side if it's shorter than `length`. Padding
     * characters are truncated if they exceed `length`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to pad.
     * @param {number} [length=0] The padding length.
     * @param {string} [chars=' '] The string used as padding.
     * @returns {string} Returns the padded string.
     * @example
     *
     * _.padStart('abc', 6);
     * // => '   abc'
     *
     * _.padStart('abc', 6, '_-');
     * // => '_-_abc'
     *
     * _.padStart('abc', 3);
     * // => 'abc'
     */
    function padStart(string, length, chars) {
      string = toString(string);
      length = toInteger(length);

      var strLength = length ? stringSize(string) : 0;
      return (length && strLength < length)
        ? (createPadding(length - strLength, chars) + string)
        : string;
    }

    /**
     * Converts `string` to an integer of the specified radix. If `radix` is
     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
     * hexadecimal, in which case a `radix` of `16` is used.
     *
     * **Note:** This method aligns with the
     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
     *
     * @static
     * @memberOf _
     * @since 1.1.0
     * @category String
     * @param {string} string The string to convert.
     * @param {number} [radix=10] The radix to interpret `value` by.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {number} Returns the converted integer.
     * @example
     *
     * _.parseInt('08');
     * // => 8
     *
     * _.map(['6', '08', '10'], _.parseInt);
     * // => [6, 8, 10]
     */
    function parseInt(string, radix, guard) {
      if (guard || radix == null) {
        radix = 0;
      } else if (radix) {
        radix = +radix;
      }
      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
    }

    /**
     * Repeats the given string `n` times.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to repeat.
     * @param {number} [n=1] The number of times to repeat the string.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the repeated string.
     * @example
     *
     * _.repeat('*', 3);
     * // => '***'
     *
     * _.repeat('abc', 2);
     * // => 'abcabc'
     *
     * _.repeat('abc', 0);
     * // => ''
     */
    function repeat(string, n, guard) {
      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
        n = 1;
      } else {
        n = toInteger(n);
      }
      return baseRepeat(toString(string), n);
    }

    /**
     * Replaces matches for `pattern` in `string` with `replacement`.
     *
     * **Note:** This method is based on
     * [`String#replace`](https://mdn.io/String/replace).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to modify.
     * @param {RegExp|string} pattern The pattern to replace.
     * @param {Function|string} replacement The match replacement.
     * @returns {string} Returns the modified string.
     * @example
     *
     * _.replace('Hi Fred', 'Fred', 'Barney');
     * // => 'Hi Barney'
     */
    function replace() {
      var args = arguments,
          string = toString(args[0]);

      return args.length < 3 ? string : string.replace(args[1], args[2]);
    }

    /**
     * Converts `string` to
     * [snake case](https://en.wikipedia.org/wiki/Snake_case).
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the snake cased string.
     * @example
     *
     * _.snakeCase('Foo Bar');
     * // => 'foo_bar'
     *
     * _.snakeCase('fooBar');
     * // => 'foo_bar'
     *
     * _.snakeCase('--FOO-BAR--');
     * // => 'foo_bar'
     */
    var snakeCase = createCompounder(function(result, word, index) {
      return result + (index ? '_' : '') + word.toLowerCase();
    });

    /**
     * Splits `string` by `separator`.
     *
     * **Note:** This method is based on
     * [`String#split`](https://mdn.io/String/split).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to split.
     * @param {RegExp|string} separator The separator pattern to split by.
     * @param {number} [limit] The length to truncate results to.
     * @returns {Array} Returns the string segments.
     * @example
     *
     * _.split('a-b-c', '-', 2);
     * // => ['a', 'b']
     */
    function split(string, separator, limit) {
      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
        separator = limit = undefined;
      }
      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
      if (!limit) {
        return [];
      }
      string = toString(string);
      if (string && (
            typeof separator == 'string' ||
            (separator != null && !isRegExp(separator))
          )) {
        separator = baseToString(separator);
        if (!separator && hasUnicode(string)) {
          return castSlice(stringToArray(string), 0, limit);
        }
      }
      return string.split(separator, limit);
    }

    /**
     * Converts `string` to
     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
     *
     * @static
     * @memberOf _
     * @since 3.1.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the start cased string.
     * @example
     *
     * _.startCase('--foo-bar--');
     * // => 'Foo Bar'
     *
     * _.startCase('fooBar');
     * // => 'Foo Bar'
     *
     * _.startCase('__FOO_BAR__');
     * // => 'FOO BAR'
     */
    var startCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + upperFirst(word);
    });

    /**
     * Checks if `string` starts with the given target string.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {string} [target] The string to search for.
     * @param {number} [position=0] The position to search from.
     * @returns {boolean} Returns `true` if `string` starts with `target`,
     *  else `false`.
     * @example
     *
     * _.startsWith('abc', 'a');
     * // => true
     *
     * _.startsWith('abc', 'b');
     * // => false
     *
     * _.startsWith('abc', 'b', 1);
     * // => true
     */
    function startsWith(string, target, position) {
      string = toString(string);
      position = position == null
        ? 0
        : baseClamp(toInteger(position), 0, string.length);

      target = baseToString(target);
      return string.slice(position, position + target.length) == target;
    }

    /**
     * Creates a compiled template function that can interpolate data properties
     * in "interpolate" delimiters, HTML-escape interpolated data properties in
     * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
     * properties may be accessed as free variables in the template. If a setting
     * object is given, it takes precedence over `_.templateSettings` values.
     *
     * **Note:** In the development build `_.template` utilizes
     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
     * for easier debugging.
     *
     * For more information on precompiling templates see
     * [lodash's custom builds documentation](https://lodash.com/custom-builds).
     *
     * For more information on Chrome extension sandboxes see
     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category String
     * @param {string} [string=''] The template string.
     * @param {Object} [options={}] The options object.
     * @param {RegExp} [options.escape=_.templateSettings.escape]
     *  The HTML "escape" delimiter.
     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
     *  The "evaluate" delimiter.
     * @param {Object} [options.imports=_.templateSettings.imports]
     *  An object to import into the template as free variables.
     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
     *  The "interpolate" delimiter.
     * @param {string} [options.sourceURL='lodash.templateSources[n]']
     *  The sourceURL of the compiled template.
     * @param {string} [options.variable='obj']
     *  The data object variable name.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Function} Returns the compiled template function.
     * @example
     *
     * // Use the "interpolate" delimiter to create a compiled template.
     * var compiled = _.template('hello <%= user %>!');
     * compiled({ 'user': 'fred' });
     * // => 'hello fred!'
     *
     * // Use the HTML "escape" delimiter to escape data property values.
     * var compiled = _.template('<b><%- value %></b>');
     * compiled({ 'value': '<script>' });
     * // => '<b>&lt;script&gt;</b>'
     *
     * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
     * compiled({ 'users': ['fred', 'barney'] });
     * // => '<li>fred</li><li>barney</li>'
     *
     * // Use the internal `print` function in "evaluate" delimiters.
     * var compiled = _.template('<% print("hello " + user); %>!');
     * compiled({ 'user': 'barney' });
     * // => 'hello barney!'
     *
     * // Use the ES template literal delimiter as an "interpolate" delimiter.
     * // Disable support by replacing the "interpolate" delimiter.
     * var compiled = _.template('hello ${ user }!');
     * compiled({ 'user': 'pebbles' });
     * // => 'hello pebbles!'
     *
     * // Use backslashes to treat delimiters as plain text.
     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
     * compiled({ 'value': 'ignored' });
     * // => '<%- value %>'
     *
     * // Use the `imports` option to import `jQuery` as `jq`.
     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
     * compiled({ 'users': ['fred', 'barney'] });
     * // => '<li>fred</li><li>barney</li>'
     *
     * // Use the `sourceURL` option to specify a custom sourceURL for the template.
     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
     * compiled(data);
     * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
     *
     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
     * compiled.source;
     * // => function(data) {
     * //   var __t, __p = '';
     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
     * //   return __p;
     * // }
     *
     * // Use custom template delimiters.
     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
     * var compiled = _.template('hello {{ user }}!');
     * compiled({ 'user': 'mustache' });
     * // => 'hello mustache!'
     *
     * // Use the `source` property to inline compiled templates for meaningful
     * // line numbers in error messages and stack traces.
     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
     *   var JST = {\
     *     "main": ' + _.template(mainText).source + '\
     *   };\
     * ');
     */
    function template(string, options, guard) {
      // Based on John Resig's `tmpl` implementation
      // (http://ejohn.org/blog/javascript-micro-templating/)
      // and Laura Doktorova's doT.js (https://github.com/olado/doT).
      var settings = lodash.templateSettings;

      if (guard && isIterateeCall(string, options, guard)) {
        options = undefined;
      }
      string = toString(string);
      options = assignInWith({}, options, settings, customDefaultsAssignIn);

      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
          importsKeys = keys(imports),
          importsValues = baseValues(imports, importsKeys);

      var isEscaping,
          isEvaluating,
          index = 0,
          interpolate = options.interpolate || reNoMatch,
          source = "__p += '";

      // Compile the regexp to match each delimiter.
      var reDelimiters = RegExp(
        (options.escape || reNoMatch).source + '|' +
        interpolate.source + '|' +
        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
        (options.evaluate || reNoMatch).source + '|$'
      , 'g');

      // Use a sourceURL for easier debugging.
      // The sourceURL gets injected into the source that's eval-ed, so be careful
      // to normalize all kinds of whitespace, so e.g. newlines (and unicode versions of it) can't sneak in
      // and escape the comment, thus injecting code that gets evaled.
      var sourceURL = '//# sourceURL=' +
        (hasOwnProperty.call(options, 'sourceURL')
          ? (options.sourceURL + '').replace(/\s/g, ' ')
          : ('lodash.templateSources[' + (++templateCounter) + ']')
        ) + '\n';

      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
        interpolateValue || (interpolateValue = esTemplateValue);

        // Escape characters that can't be included in string literals.
        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);

        // Replace delimiters with snippets.
        if (escapeValue) {
          isEscaping = true;
          source += "' +\n__e(" + escapeValue + ") +\n'";
        }
        if (evaluateValue) {
          isEvaluating = true;
          source += "';\n" + evaluateValue + ";\n__p += '";
        }
        if (interpolateValue) {
          source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
        }
        index = offset + match.length;

        // The JS engine embedded in Adobe products needs `match` returned in
        // order to produce the correct `offset` value.
        return match;
      });

      source += "';\n";

      // If `variable` is not specified wrap a with-statement around the generated
      // code to add the data object to the top of the scope chain.
      var variable = hasOwnProperty.call(options, 'variable') && options.variable;
      if (!variable) {
        source = 'with (obj) {\n' + source + '\n}\n';
      }
      // Cleanup code by stripping empty strings.
      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
        .replace(reEmptyStringMiddle, '$1')
        .replace(reEmptyStringTrailing, '$1;');

      // Frame code as the function body.
      source = 'function(' + (variable || 'obj') + ') {\n' +
        (variable
          ? ''
          : 'obj || (obj = {});\n'
        ) +
        "var __t, __p = ''" +
        (isEscaping
           ? ', __e = _.escape'
           : ''
        ) +
        (isEvaluating
          ? ', __j = Array.prototype.join;\n' +
            "function print() { __p += __j.call(arguments, '') }\n"
          : ';\n'
        ) +
        source +
        'return __p\n}';

      var result = attempt(function() {
        return Function(importsKeys, sourceURL + 'return ' + source)
          .apply(undefined, importsValues);
      });

      // Provide the compiled function's source by its `toString` method or
      // the `source` property as a convenience for inlining compiled templates.
      result.source = source;
      if (isError(result)) {
        throw result;
      }
      return result;
    }

    /**
     * Converts `string`, as a whole, to lower case just like
     * [String#toLowerCase](https://mdn.io/toLowerCase).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the lower cased string.
     * @example
     *
     * _.toLower('--Foo-Bar--');
     * // => '--foo-bar--'
     *
     * _.toLower('fooBar');
     * // => 'foobar'
     *
     * _.toLower('__FOO_BAR__');
     * // => '__foo_bar__'
     */
    function toLower(value) {
      return toString(value).toLowerCase();
    }

    /**
     * Converts `string`, as a whole, to upper case just like
     * [String#toUpperCase](https://mdn.io/toUpperCase).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the upper cased string.
     * @example
     *
     * _.toUpper('--foo-bar--');
     * // => '--FOO-BAR--'
     *
     * _.toUpper('fooBar');
     * // => 'FOOBAR'
     *
     * _.toUpper('__foo_bar__');
     * // => '__FOO_BAR__'
     */
    function toUpper(value) {
      return toString(value).toUpperCase();
    }

    /**
     * Removes leading and trailing whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trim('  abc  ');
     * // => 'abc'
     *
     * _.trim('-_-abc-_-', '_-');
     * // => 'abc'
     *
     * _.map(['  foo  ', '  bar  '], _.trim);
     * // => ['foo', 'bar']
     */
    function trim(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrim, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          chrSymbols = stringToArray(chars),
          start = charsStartIndex(strSymbols, chrSymbols),
          end = charsEndIndex(strSymbols, chrSymbols) + 1;

      return castSlice(strSymbols, start, end).join('');
    }

    /**
     * Removes trailing whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trimEnd('  abc  ');
     * // => '  abc'
     *
     * _.trimEnd('-_-abc-_-', '_-');
     * // => '-_-abc'
     */
    function trimEnd(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrimEnd, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;

      return castSlice(strSymbols, 0, end).join('');
    }

    /**
     * Removes leading whitespace or specified characters from `string`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to trim.
     * @param {string} [chars=whitespace] The characters to trim.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {string} Returns the trimmed string.
     * @example
     *
     * _.trimStart('  abc  ');
     * // => 'abc  '
     *
     * _.trimStart('-_-abc-_-', '_-');
     * // => 'abc-_-'
     */
    function trimStart(string, chars, guard) {
      string = toString(string);
      if (string && (guard || chars === undefined)) {
        return string.replace(reTrimStart, '');
      }
      if (!string || !(chars = baseToString(chars))) {
        return string;
      }
      var strSymbols = stringToArray(string),
          start = charsStartIndex(strSymbols, stringToArray(chars));

      return castSlice(strSymbols, start).join('');
    }

    /**
     * Truncates `string` if it's longer than the given maximum string length.
     * The last characters of the truncated string are replaced with the omission
     * string which defaults to "...".
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to truncate.
     * @param {Object} [options={}] The options object.
     * @param {number} [options.length=30] The maximum string length.
     * @param {string} [options.omission='...'] The string to indicate text is omitted.
     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
     * @returns {string} Returns the truncated string.
     * @example
     *
     * _.truncate('hi-diddly-ho there, neighborino');
     * // => 'hi-diddly-ho there, neighbo...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'length': 24,
     *   'separator': ' '
     * });
     * // => 'hi-diddly-ho there,...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'length': 24,
     *   'separator': /,? +/
     * });
     * // => 'hi-diddly-ho there...'
     *
     * _.truncate('hi-diddly-ho there, neighborino', {
     *   'omission': ' [...]'
     * });
     * // => 'hi-diddly-ho there, neig [...]'
     */
    function truncate(string, options) {
      var length = DEFAULT_TRUNC_LENGTH,
          omission = DEFAULT_TRUNC_OMISSION;

      if (isObject(options)) {
        var separator = 'separator' in options ? options.separator : separator;
        length = 'length' in options ? toInteger(options.length) : length;
        omission = 'omission' in options ? baseToString(options.omission) : omission;
      }
      string = toString(string);

      var strLength = string.length;
      if (hasUnicode(string)) {
        var strSymbols = stringToArray(string);
        strLength = strSymbols.length;
      }
      if (length >= strLength) {
        return string;
      }
      var end = length - stringSize(omission);
      if (end < 1) {
        return omission;
      }
      var result = strSymbols
        ? castSlice(strSymbols, 0, end).join('')
        : string.slice(0, end);

      if (separator === undefined) {
        return result + omission;
      }
      if (strSymbols) {
        end += (result.length - end);
      }
      if (isRegExp(separator)) {
        if (string.slice(end).search(separator)) {
          var match,
              substring = result;

          if (!separator.global) {
            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
          }
          separator.lastIndex = 0;
          while ((match = separator.exec(substring))) {
            var newEnd = match.index;
          }
          result = result.slice(0, newEnd === undefined ? end : newEnd);
        }
      } else if (string.indexOf(baseToString(separator), end) != end) {
        var index = result.lastIndexOf(separator);
        if (index > -1) {
          result = result.slice(0, index);
        }
      }
      return result + omission;
    }

    /**
     * The inverse of `_.escape`; this method converts the HTML entities
     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
     * their corresponding characters.
     *
     * **Note:** No other HTML entities are unescaped. To unescape additional
     * HTML entities use a third-party library like [_he_](https://mths.be/he).
     *
     * @static
     * @memberOf _
     * @since 0.6.0
     * @category String
     * @param {string} [string=''] The string to unescape.
     * @returns {string} Returns the unescaped string.
     * @example
     *
     * _.unescape('fred, barney, &amp; pebbles');
     * // => 'fred, barney, & pebbles'
     */
    function unescape(string) {
      string = toString(string);
      return (string && reHasEscapedHtml.test(string))
        ? string.replace(reEscapedHtml, unescapeHtmlChar)
        : string;
    }

    /**
     * Converts `string`, as space separated words, to upper case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the upper cased string.
     * @example
     *
     * _.upperCase('--foo-bar');
     * // => 'FOO BAR'
     *
     * _.upperCase('fooBar');
     * // => 'FOO BAR'
     *
     * _.upperCase('__foo_bar__');
     * // => 'FOO BAR'
     */
    var upperCase = createCompounder(function(result, word, index) {
      return result + (index ? ' ' : '') + word.toUpperCase();
    });

    /**
     * Converts the first character of `string` to upper case.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category String
     * @param {string} [string=''] The string to convert.
     * @returns {string} Returns the converted string.
     * @example
     *
     * _.upperFirst('fred');
     * // => 'Fred'
     *
     * _.upperFirst('FRED');
     * // => 'FRED'
     */
    var upperFirst = createCaseFirst('toUpperCase');

    /**
     * Splits `string` into an array of its words.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category String
     * @param {string} [string=''] The string to inspect.
     * @param {RegExp|string} [pattern] The pattern to match words.
     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
     * @returns {Array} Returns the words of `string`.
     * @example
     *
     * _.words('fred, barney, & pebbles');
     * // => ['fred', 'barney', 'pebbles']
     *
     * _.words('fred, barney, & pebbles', /[^, ]+/g);
     * // => ['fred', 'barney', '&', 'pebbles']
     */
    function words(string, pattern, guard) {
      string = toString(string);
      pattern = guard ? undefined : pattern;

      if (pattern === undefined) {
        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
      }
      return string.match(pattern) || [];
    }

    /*------------------------------------------------------------------------*/

    /**
     * Attempts to invoke `func`, returning either the result or the caught error
     * object. Any additional arguments are provided to `func` when it's invoked.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Function} func The function to attempt.
     * @param {...*} [args] The arguments to invoke `func` with.
     * @returns {*} Returns the `func` result or error object.
     * @example
     *
     * // Avoid throwing errors for invalid selectors.
     * var elements = _.attempt(function(selector) {
     *   return document.querySelectorAll(selector);
     * }, '>_>');
     *
     * if (_.isError(elements)) {
     *   elements = [];
     * }
     */
    var attempt = baseRest(function(func, args) {
      try {
        return apply(func, undefined, args);
      } catch (e) {
        return isError(e) ? e : new Error(e);
      }
    });

    /**
     * Binds methods of an object to the object itself, overwriting the existing
     * method.
     *
     * **Note:** This method doesn't set the "length" property of bound functions.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {Object} object The object to bind and assign the bound methods to.
     * @param {...(string|string[])} methodNames The object method names to bind.
     * @returns {Object} Returns `object`.
     * @example
     *
     * var view = {
     *   'label': 'docs',
     *   'click': function() {
     *     console.log('clicked ' + this.label);
     *   }
     * };
     *
     * _.bindAll(view, ['click']);
     * jQuery(element).on('click', view.click);
     * // => Logs 'clicked docs' when clicked.
     */
    var bindAll = flatRest(function(object, methodNames) {
      arrayEach(methodNames, function(key) {
        key = toKey(key);
        baseAssignValue(object, key, bind(object[key], object));
      });
      return object;
    });

    /**
     * Creates a function that iterates over `pairs` and invokes the corresponding
     * function of the first predicate to return truthy. The predicate-function
     * pairs are invoked with the `this` binding and arguments of the created
     * function.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {Array} pairs The predicate-function pairs.
     * @returns {Function} Returns the new composite function.
     * @example
     *
     * var func = _.cond([
     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
     *   [_.stubTrue,                      _.constant('no match')]
     * ]);
     *
     * func({ 'a': 1, 'b': 2 });
     * // => 'matches A'
     *
     * func({ 'a': 0, 'b': 1 });
     * // => 'matches B'
     *
     * func({ 'a': '1', 'b': '2' });
     * // => 'no match'
     */
    function cond(pairs) {
      var length = pairs == null ? 0 : pairs.length,
          toIteratee = getIteratee();

      pairs = !length ? [] : arrayMap(pairs, function(pair) {
        if (typeof pair[1] != 'function') {
          throw new TypeError(FUNC_ERROR_TEXT);
        }
        return [toIteratee(pair[0]), pair[1]];
      });

      return baseRest(function(args) {
        var index = -1;
        while (++index < length) {
          var pair = pairs[index];
          if (apply(pair[0], this, args)) {
            return apply(pair[1], this, args);
          }
        }
      });
    }

    /**
     * Creates a function that invokes the predicate properties of `source` with
     * the corresponding property values of a given object, returning `true` if
     * all predicates return truthy, else `false`.
     *
     * **Note:** The created function is equivalent to `_.conformsTo` with
     * `source` partially applied.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {Object} source The object of property predicates to conform to.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 2, 'b': 1 },
     *   { 'a': 1, 'b': 2 }
     * ];
     *
     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
     * // => [{ 'a': 1, 'b': 2 }]
     */
    function conforms(source) {
      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that returns `value`.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Util
     * @param {*} value The value to return from the new function.
     * @returns {Function} Returns the new constant function.
     * @example
     *
     * var objects = _.times(2, _.constant({ 'a': 1 }));
     *
     * console.log(objects);
     * // => [{ 'a': 1 }, { 'a': 1 }]
     *
     * console.log(objects[0] === objects[1]);
     * // => true
     */
    function constant(value) {
      return function() {
        return value;
      };
    }

    /**
     * Checks `value` to determine whether a default value should be returned in
     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
     * or `undefined`.
     *
     * @static
     * @memberOf _
     * @since 4.14.0
     * @category Util
     * @param {*} value The value to check.
     * @param {*} defaultValue The default value.
     * @returns {*} Returns the resolved value.
     * @example
     *
     * _.defaultTo(1, 10);
     * // => 1
     *
     * _.defaultTo(undefined, 10);
     * // => 10
     */
    function defaultTo(value, defaultValue) {
      return (value == null || value !== value) ? defaultValue : value;
    }

    /**
     * Creates a function that returns the result of invoking the given functions
     * with the `this` binding of the created function, where each successive
     * invocation is supplied the return value of the previous.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {...(Function|Function[])} [funcs] The functions to invoke.
     * @returns {Function} Returns the new composite function.
     * @see _.flowRight
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var addSquare = _.flow([_.add, square]);
     * addSquare(1, 2);
     * // => 9
     */
    var flow = createFlow();

    /**
     * This method is like `_.flow` except that it creates a function that
     * invokes the given functions from right to left.
     *
     * @static
     * @since 3.0.0
     * @memberOf _
     * @category Util
     * @param {...(Function|Function[])} [funcs] The functions to invoke.
     * @returns {Function} Returns the new composite function.
     * @see _.flow
     * @example
     *
     * function square(n) {
     *   return n * n;
     * }
     *
     * var addSquare = _.flowRight([square, _.add]);
     * addSquare(1, 2);
     * // => 9
     */
    var flowRight = createFlow(true);

    /**
     * This method returns the first argument it receives.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {*} value Any value.
     * @returns {*} Returns `value`.
     * @example
     *
     * var object = { 'a': 1 };
     *
     * console.log(_.identity(object) === object);
     * // => true
     */
    function identity(value) {
      return value;
    }

    /**
     * Creates a function that invokes `func` with the arguments of the created
     * function. If `func` is a property name, the created function returns the
     * property value for a given element. If `func` is an array or object, the
     * created function returns `true` for elements that contain the equivalent
     * source properties, otherwise it returns `false`.
     *
     * @static
     * @since 4.0.0
     * @memberOf _
     * @category Util
     * @param {*} [func=_.identity] The value to convert to a callback.
     * @returns {Function} Returns the callback.
     * @example
     *
     * var users = [
     *   { 'user': 'barney', 'age': 36, 'active': true },
     *   { 'user': 'fred',   'age': 40, 'active': false }
     * ];
     *
     * // The `_.matches` iteratee shorthand.
     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
     *
     * // The `_.matchesProperty` iteratee shorthand.
     * _.filter(users, _.iteratee(['user', 'fred']));
     * // => [{ 'user': 'fred', 'age': 40 }]
     *
     * // The `_.property` iteratee shorthand.
     * _.map(users, _.iteratee('user'));
     * // => ['barney', 'fred']
     *
     * // Create custom iteratee shorthands.
     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
     *     return func.test(string);
     *   };
     * });
     *
     * _.filter(['abc', 'def'], /ef/);
     * // => ['def']
     */
    function iteratee(func) {
      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that performs a partial deep comparison between a given
     * object and `source`, returning `true` if the given object has equivalent
     * property values, else `false`.
     *
     * **Note:** The created function is equivalent to `_.isMatch` with `source`
     * partially applied.
     *
     * Partial comparisons will match empty array and empty object `source`
     * values against any array or object value, respectively. See `_.isEqual`
     * for a list of supported value comparisons.
     *
     * **Note:** Multiple values can be checked by combining several matchers
     * using `_.overSome`
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Object} source The object of property values to match.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 1, 'b': 2, 'c': 3 },
     *   { 'a': 4, 'b': 5, 'c': 6 }
     * ];
     *
     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
     *
     * // Checking for several possible values
     * _.filter(objects, _.overSome([_.matches({ 'a': 1 }), _.matches({ 'a': 4 })]));
     * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
     */
    function matches(source) {
      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that performs a partial deep comparison between the
     * value at `path` of a given object to `srcValue`, returning `true` if the
     * object value is equivalent, else `false`.
     *
     * **Note:** Partial comparisons will match empty array and empty object
     * `srcValue` values against any array or object value, respectively. See
     * `_.isEqual` for a list of supported value comparisons.
     *
     * **Note:** Multiple values can be checked by combining several matchers
     * using `_.overSome`
     *
     * @static
     * @memberOf _
     * @since 3.2.0
     * @category Util
     * @param {Array|string} path The path of the property to get.
     * @param {*} srcValue The value to match.
     * @returns {Function} Returns the new spec function.
     * @example
     *
     * var objects = [
     *   { 'a': 1, 'b': 2, 'c': 3 },
     *   { 'a': 4, 'b': 5, 'c': 6 }
     * ];
     *
     * _.find(objects, _.matchesProperty('a', 4));
     * // => { 'a': 4, 'b': 5, 'c': 6 }
     *
     * // Checking for several possible values
     * _.filter(objects, _.overSome([_.matchesProperty('a', 1), _.matchesProperty('a', 4)]));
     * // => [{ 'a': 1, 'b': 2, 'c': 3 }, { 'a': 4, 'b': 5, 'c': 6 }]
     */
    function matchesProperty(path, srcValue) {
      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
    }

    /**
     * Creates a function that invokes the method at `path` of a given object.
     * Any additional arguments are provided to the invoked method.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Util
     * @param {Array|string} path The path of the method to invoke.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {Function} Returns the new invoker function.
     * @example
     *
     * var objects = [
     *   { 'a': { 'b': _.constant(2) } },
     *   { 'a': { 'b': _.constant(1) } }
     * ];
     *
     * _.map(objects, _.method('a.b'));
     * // => [2, 1]
     *
     * _.map(objects, _.method(['a', 'b']));
     * // => [2, 1]
     */
    var method = baseRest(function(path, args) {
      return function(object) {
        return baseInvoke(object, path, args);
      };
    });

    /**
     * The opposite of `_.method`; this method creates a function that invokes
     * the method at a given path of `object`. Any additional arguments are
     * provided to the invoked method.
     *
     * @static
     * @memberOf _
     * @since 3.7.0
     * @category Util
     * @param {Object} object The object to query.
     * @param {...*} [args] The arguments to invoke the method with.
     * @returns {Function} Returns the new invoker function.
     * @example
     *
     * var array = _.times(3, _.constant),
     *     object = { 'a': array, 'b': array, 'c': array };
     *
     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
     * // => [2, 0]
     *
     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
     * // => [2, 0]
     */
    var methodOf = baseRest(function(object, args) {
      return function(path) {
        return baseInvoke(object, path, args);
      };
    });

    /**
     * Adds all own enumerable string keyed function properties of a source
     * object to the destination object. If `object` is a function, then methods
     * are added to its prototype as well.
     *
     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
     * avoid conflicts caused by modifying the original.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {Function|Object} [object=lodash] The destination object.
     * @param {Object} source The object of functions to add.
     * @param {Object} [options={}] The options object.
     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
     * @returns {Function|Object} Returns `object`.
     * @example
     *
     * function vowels(string) {
     *   return _.filter(string, function(v) {
     *     return /[aeiou]/i.test(v);
     *   });
     * }
     *
     * _.mixin({ 'vowels': vowels });
     * _.vowels('fred');
     * // => ['e']
     *
     * _('fred').vowels().value();
     * // => ['e']
     *
     * _.mixin({ 'vowels': vowels }, { 'chain': false });
     * _('fred').vowels();
     * // => ['e']
     */
    function mixin(object, source, options) {
      var props = keys(source),
          methodNames = baseFunctions(source, props);

      if (options == null &&
          !(isObject(source) && (methodNames.length || !props.length))) {
        options = source;
        source = object;
        object = this;
        methodNames = baseFunctions(source, keys(source));
      }
      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
          isFunc = isFunction(object);

      arrayEach(methodNames, function(methodName) {
        var func = source[methodName];
        object[methodName] = func;
        if (isFunc) {
          object.prototype[methodName] = function() {
            var chainAll = this.__chain__;
            if (chain || chainAll) {
              var result = object(this.__wrapped__),
                  actions = result.__actions__ = copyArray(this.__actions__);

              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
              result.__chain__ = chainAll;
              return result;
            }
            return func.apply(object, arrayPush([this.value()], arguments));
          };
        }
      });

      return object;
    }

    /**
     * Reverts the `_` variable to its previous value and returns a reference to
     * the `lodash` function.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @returns {Function} Returns the `lodash` function.
     * @example
     *
     * var lodash = _.noConflict();
     */
    function noConflict() {
      if (root._ === this) {
        root._ = oldDash;
      }
      return this;
    }

    /**
     * This method returns `undefined`.
     *
     * @static
     * @memberOf _
     * @since 2.3.0
     * @category Util
     * @example
     *
     * _.times(2, _.noop);
     * // => [undefined, undefined]
     */
    function noop() {
      // No operation performed.
    }

    /**
     * Creates a function that gets the argument at index `n`. If `n` is negative,
     * the nth argument from the end is returned.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {number} [n=0] The index of the argument to return.
     * @returns {Function} Returns the new pass-thru function.
     * @example
     *
     * var func = _.nthArg(1);
     * func('a', 'b', 'c', 'd');
     * // => 'b'
     *
     * var func = _.nthArg(-2);
     * func('a', 'b', 'c', 'd');
     * // => 'c'
     */
    function nthArg(n) {
      n = toInteger(n);
      return baseRest(function(args) {
        return baseNth(args, n);
      });
    }

    /**
     * Creates a function that invokes `iteratees` with the arguments it receives
     * and returns their results.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [iteratees=[_.identity]]
     *  The iteratees to invoke.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.over([Math.max, Math.min]);
     *
     * func(1, 2, 3, 4);
     * // => [4, 1]
     */
    var over = createOver(arrayMap);

    /**
     * Creates a function that checks if **all** of the `predicates` return
     * truthy when invoked with the arguments it receives.
     *
     * Following shorthands are possible for providing predicates.
     * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.
     * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [predicates=[_.identity]]
     *  The predicates to check.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.overEvery([Boolean, isFinite]);
     *
     * func('1');
     * // => true
     *
     * func(null);
     * // => false
     *
     * func(NaN);
     * // => false
     */
    var overEvery = createOver(arrayEvery);

    /**
     * Creates a function that checks if **any** of the `predicates` return
     * truthy when invoked with the arguments it receives.
     *
     * Following shorthands are possible for providing predicates.
     * Pass an `Object` and it will be used as an parameter for `_.matches` to create the predicate.
     * Pass an `Array` of parameters for `_.matchesProperty` and the predicate will be created using them.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {...(Function|Function[])} [predicates=[_.identity]]
     *  The predicates to check.
     * @returns {Function} Returns the new function.
     * @example
     *
     * var func = _.overSome([Boolean, isFinite]);
     *
     * func('1');
     * // => true
     *
     * func(null);
     * // => true
     *
     * func(NaN);
     * // => false
     *
     * var matchesFunc = _.overSome([{ 'a': 1 }, { 'a': 2 }])
     * var matchesPropertyFunc = _.overSome([['a', 1], ['a', 2]])
     */
    var overSome = createOver(arraySome);

    /**
     * Creates a function that returns the value at `path` of a given object.
     *
     * @static
     * @memberOf _
     * @since 2.4.0
     * @category Util
     * @param {Array|string} path The path of the property to get.
     * @returns {Function} Returns the new accessor function.
     * @example
     *
     * var objects = [
     *   { 'a': { 'b': 2 } },
     *   { 'a': { 'b': 1 } }
     * ];
     *
     * _.map(objects, _.property('a.b'));
     * // => [2, 1]
     *
     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
     * // => [1, 2]
     */
    function property(path) {
      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
    }

    /**
     * The opposite of `_.property`; this method creates a function that returns
     * the value at a given path of `object`.
     *
     * @static
     * @memberOf _
     * @since 3.0.0
     * @category Util
     * @param {Object} object The object to query.
     * @returns {Function} Returns the new accessor function.
     * @example
     *
     * var array = [0, 1, 2],
     *     object = { 'a': array, 'b': array, 'c': array };
     *
     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
     * // => [2, 0]
     *
     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
     * // => [2, 0]
     */
    function propertyOf(object) {
      return function(path) {
        return object == null ? undefined : baseGet(object, path);
      };
    }

    /**
     * Creates an array of numbers (positive and/or negative) progressing from
     * `start` up to, but not including, `end`. A step of `-1` is used if a negative
     * `start` is specified without an `end` or `step`. If `end` is not specified,
     * it's set to `start` with `start` then set to `0`.
     *
     * **Note:** JavaScript follows the IEEE-754 standard for resolving
     * floating-point values which can produce unexpected results.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @param {number} [step=1] The value to increment or decrement by.
     * @returns {Array} Returns the range of numbers.
     * @see _.inRange, _.rangeRight
     * @example
     *
     * _.range(4);
     * // => [0, 1, 2, 3]
     *
     * _.range(-4);
     * // => [0, -1, -2, -3]
     *
     * _.range(1, 5);
     * // => [1, 2, 3, 4]
     *
     * _.range(0, 20, 5);
     * // => [0, 5, 10, 15]
     *
     * _.range(0, -4, -1);
     * // => [0, -1, -2, -3]
     *
     * _.range(1, 4, 0);
     * // => [1, 1, 1]
     *
     * _.range(0);
     * // => []
     */
    var range = createRange();

    /**
     * This method is like `_.range` except that it populates values in
     * descending order.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {number} [start=0] The start of the range.
     * @param {number} end The end of the range.
     * @param {number} [step=1] The value to increment or decrement by.
     * @returns {Array} Returns the range of numbers.
     * @see _.inRange, _.range
     * @example
     *
     * _.rangeRight(4);
     * // => [3, 2, 1, 0]
     *
     * _.rangeRight(-4);
     * // => [-3, -2, -1, 0]
     *
     * _.rangeRight(1, 5);
     * // => [4, 3, 2, 1]
     *
     * _.rangeRight(0, 20, 5);
     * // => [15, 10, 5, 0]
     *
     * _.rangeRight(0, -4, -1);
     * // => [-3, -2, -1, 0]
     *
     * _.rangeRight(1, 4, 0);
     * // => [1, 1, 1]
     *
     * _.rangeRight(0);
     * // => []
     */
    var rangeRight = createRange(true);

    /**
     * This method returns a new empty array.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {Array} Returns the new empty array.
     * @example
     *
     * var arrays = _.times(2, _.stubArray);
     *
     * console.log(arrays);
     * // => [[], []]
     *
     * console.log(arrays[0] === arrays[1]);
     * // => false
     */
    function stubArray() {
      return [];
    }

    /**
     * This method returns `false`.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {boolean} Returns `false`.
     * @example
     *
     * _.times(2, _.stubFalse);
     * // => [false, false]
     */
    function stubFalse() {
      return false;
    }

    /**
     * This method returns a new empty object.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {Object} Returns the new empty object.
     * @example
     *
     * var objects = _.times(2, _.stubObject);
     *
     * console.log(objects);
     * // => [{}, {}]
     *
     * console.log(objects[0] === objects[1]);
     * // => false
     */
    function stubObject() {
      return {};
    }

    /**
     * This method returns an empty string.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {string} Returns the empty string.
     * @example
     *
     * _.times(2, _.stubString);
     * // => ['', '']
     */
    function stubString() {
      return '';
    }

    /**
     * This method returns `true`.
     *
     * @static
     * @memberOf _
     * @since 4.13.0
     * @category Util
     * @returns {boolean} Returns `true`.
     * @example
     *
     * _.times(2, _.stubTrue);
     * // => [true, true]
     */
    function stubTrue() {
      return true;
    }

    /**
     * Invokes the iteratee `n` times, returning an array of the results of
     * each invocation. The iteratee is invoked with one argument; (index).
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {number} n The number of times to invoke `iteratee`.
     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
     * @returns {Array} Returns the array of results.
     * @example
     *
     * _.times(3, String);
     * // => ['0', '1', '2']
     *
     *  _.times(4, _.constant(0));
     * // => [0, 0, 0, 0]
     */
    function times(n, iteratee) {
      n = toInteger(n);
      if (n < 1 || n > MAX_SAFE_INTEGER) {
        return [];
      }
      var index = MAX_ARRAY_LENGTH,
          length = nativeMin(n, MAX_ARRAY_LENGTH);

      iteratee = getIteratee(iteratee);
      n -= MAX_ARRAY_LENGTH;

      var result = baseTimes(length, iteratee);
      while (++index < n) {
        iteratee(index);
      }
      return result;
    }

    /**
     * Converts `value` to a property path array.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Util
     * @param {*} value The value to convert.
     * @returns {Array} Returns the new property path array.
     * @example
     *
     * _.toPath('a.b.c');
     * // => ['a', 'b', 'c']
     *
     * _.toPath('a[0].b.c');
     * // => ['a', '0', 'b', 'c']
     */
    function toPath(value) {
      if (isArray(value)) {
        return arrayMap(value, toKey);
      }
      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
    }

    /**
     * Generates a unique ID. If `prefix` is given, the ID is appended to it.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Util
     * @param {string} [prefix=''] The value to prefix the ID with.
     * @returns {string} Returns the unique ID.
     * @example
     *
     * _.uniqueId('contact_');
     * // => 'contact_104'
     *
     * _.uniqueId();
     * // => '105'
     */
    function uniqueId(prefix) {
      var id = ++idCounter;
      return toString(prefix) + id;
    }

    /*------------------------------------------------------------------------*/

    /**
     * Adds two numbers.
     *
     * @static
     * @memberOf _
     * @since 3.4.0
     * @category Math
     * @param {number} augend The first number in an addition.
     * @param {number} addend The second number in an addition.
     * @returns {number} Returns the total.
     * @example
     *
     * _.add(6, 4);
     * // => 10
     */
    var add = createMathOperation(function(augend, addend) {
      return augend + addend;
    }, 0);

    /**
     * Computes `number` rounded up to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round up.
     * @param {number} [precision=0] The precision to round up to.
     * @returns {number} Returns the rounded up number.
     * @example
     *
     * _.ceil(4.006);
     * // => 5
     *
     * _.ceil(6.004, 2);
     * // => 6.01
     *
     * _.ceil(6040, -2);
     * // => 6100
     */
    var ceil = createRound('ceil');

    /**
     * Divide two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {number} dividend The first number in a division.
     * @param {number} divisor The second number in a division.
     * @returns {number} Returns the quotient.
     * @example
     *
     * _.divide(6, 4);
     * // => 1.5
     */
    var divide = createMathOperation(function(dividend, divisor) {
      return dividend / divisor;
    }, 1);

    /**
     * Computes `number` rounded down to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round down.
     * @param {number} [precision=0] The precision to round down to.
     * @returns {number} Returns the rounded down number.
     * @example
     *
     * _.floor(4.006);
     * // => 4
     *
     * _.floor(0.046, 2);
     * // => 0.04
     *
     * _.floor(4060, -2);
     * // => 4000
     */
    var floor = createRound('floor');

    /**
     * Computes the maximum value of `array`. If `array` is empty or falsey,
     * `undefined` is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {*} Returns the maximum value.
     * @example
     *
     * _.max([4, 2, 8, 6]);
     * // => 8
     *
     * _.max([]);
     * // => undefined
     */
    function max(array) {
      return (array && array.length)
        ? baseExtremum(array, identity, baseGt)
        : undefined;
    }

    /**
     * This method is like `_.max` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * the value is ranked. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {*} Returns the maximum value.
     * @example
     *
     * var objects = [{ 'n': 1 }, { 'n': 2 }];
     *
     * _.maxBy(objects, function(o) { return o.n; });
     * // => { 'n': 2 }
     *
     * // The `_.property` iteratee shorthand.
     * _.maxBy(objects, 'n');
     * // => { 'n': 2 }
     */
    function maxBy(array, iteratee) {
      return (array && array.length)
        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
        : undefined;
    }

    /**
     * Computes the mean of the values in `array`.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {number} Returns the mean.
     * @example
     *
     * _.mean([4, 2, 8, 6]);
     * // => 5
     */
    function mean(array) {
      return baseMean(array, identity);
    }

    /**
     * This method is like `_.mean` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the value to be averaged.
     * The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the mean.
     * @example
     *
     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
     *
     * _.meanBy(objects, function(o) { return o.n; });
     * // => 5
     *
     * // The `_.property` iteratee shorthand.
     * _.meanBy(objects, 'n');
     * // => 5
     */
    function meanBy(array, iteratee) {
      return baseMean(array, getIteratee(iteratee, 2));
    }

    /**
     * Computes the minimum value of `array`. If `array` is empty or falsey,
     * `undefined` is returned.
     *
     * @static
     * @since 0.1.0
     * @memberOf _
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {*} Returns the minimum value.
     * @example
     *
     * _.min([4, 2, 8, 6]);
     * // => 2
     *
     * _.min([]);
     * // => undefined
     */
    function min(array) {
      return (array && array.length)
        ? baseExtremum(array, identity, baseLt)
        : undefined;
    }

    /**
     * This method is like `_.min` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the criterion by which
     * the value is ranked. The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {*} Returns the minimum value.
     * @example
     *
     * var objects = [{ 'n': 1 }, { 'n': 2 }];
     *
     * _.minBy(objects, function(o) { return o.n; });
     * // => { 'n': 1 }
     *
     * // The `_.property` iteratee shorthand.
     * _.minBy(objects, 'n');
     * // => { 'n': 1 }
     */
    function minBy(array, iteratee) {
      return (array && array.length)
        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
        : undefined;
    }

    /**
     * Multiply two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.7.0
     * @category Math
     * @param {number} multiplier The first number in a multiplication.
     * @param {number} multiplicand The second number in a multiplication.
     * @returns {number} Returns the product.
     * @example
     *
     * _.multiply(6, 4);
     * // => 24
     */
    var multiply = createMathOperation(function(multiplier, multiplicand) {
      return multiplier * multiplicand;
    }, 1);

    /**
     * Computes `number` rounded to `precision`.
     *
     * @static
     * @memberOf _
     * @since 3.10.0
     * @category Math
     * @param {number} number The number to round.
     * @param {number} [precision=0] The precision to round to.
     * @returns {number} Returns the rounded number.
     * @example
     *
     * _.round(4.006);
     * // => 4
     *
     * _.round(4.006, 2);
     * // => 4.01
     *
     * _.round(4060, -2);
     * // => 4100
     */
    var round = createRound('round');

    /**
     * Subtract two numbers.
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {number} minuend The first number in a subtraction.
     * @param {number} subtrahend The second number in a subtraction.
     * @returns {number} Returns the difference.
     * @example
     *
     * _.subtract(6, 4);
     * // => 2
     */
    var subtract = createMathOperation(function(minuend, subtrahend) {
      return minuend - subtrahend;
    }, 0);

    /**
     * Computes the sum of the values in `array`.
     *
     * @static
     * @memberOf _
     * @since 3.4.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @returns {number} Returns the sum.
     * @example
     *
     * _.sum([4, 2, 8, 6]);
     * // => 20
     */
    function sum(array) {
      return (array && array.length)
        ? baseSum(array, identity)
        : 0;
    }

    /**
     * This method is like `_.sum` except that it accepts `iteratee` which is
     * invoked for each element in `array` to generate the value to be summed.
     * The iteratee is invoked with one argument: (value).
     *
     * @static
     * @memberOf _
     * @since 4.0.0
     * @category Math
     * @param {Array} array The array to iterate over.
     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
     * @returns {number} Returns the sum.
     * @example
     *
     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
     *
     * _.sumBy(objects, function(o) { return o.n; });
     * // => 20
     *
     * // The `_.property` iteratee shorthand.
     * _.sumBy(objects, 'n');
     * // => 20
     */
    function sumBy(array, iteratee) {
      return (array && array.length)
        ? baseSum(array, getIteratee(iteratee, 2))
        : 0;
    }

    /*------------------------------------------------------------------------*/

    // Add methods that return wrapped values in chain sequences.
    lodash.after = after;
    lodash.ary = ary;
    lodash.assign = assign;
    lodash.assignIn = assignIn;
    lodash.assignInWith = assignInWith;
    lodash.assignWith = assignWith;
    lodash.at = at;
    lodash.before = before;
    lodash.bind = bind;
    lodash.bindAll = bindAll;
    lodash.bindKey = bindKey;
    lodash.castArray = castArray;
    lodash.chain = chain;
    lodash.chunk = chunk;
    lodash.compact = compact;
    lodash.concat = concat;
    lodash.cond = cond;
    lodash.conforms = conforms;
    lodash.constant = constant;
    lodash.countBy = countBy;
    lodash.create = create;
    lodash.curry = curry;
    lodash.curryRight = curryRight;
    lodash.debounce = debounce;
    lodash.defaults = defaults;
    lodash.defaultsDeep = defaultsDeep;
    lodash.defer = defer;
    lodash.delay = delay;
    lodash.difference = difference;
    lodash.differenceBy = differenceBy;
    lodash.differenceWith = differenceWith;
    lodash.drop = drop;
    lodash.dropRight = dropRight;
    lodash.dropRightWhile = dropRightWhile;
    lodash.dropWhile = dropWhile;
    lodash.fill = fill;
    lodash.filter = filter;
    lodash.flatMap = flatMap;
    lodash.flatMapDeep = flatMapDeep;
    lodash.flatMapDepth = flatMapDepth;
    lodash.flatten = flatten;
    lodash.flattenDeep = flattenDeep;
    lodash.flattenDepth = flattenDepth;
    lodash.flip = flip;
    lodash.flow = flow;
    lodash.flowRight = flowRight;
    lodash.fromPairs = fromPairs;
    lodash.functions = functions;
    lodash.functionsIn = functionsIn;
    lodash.groupBy = groupBy;
    lodash.initial = initial;
    lodash.intersection = intersection;
    lodash.intersectionBy = intersectionBy;
    lodash.intersectionWith = intersectionWith;
    lodash.invert = invert;
    lodash.invertBy = invertBy;
    lodash.invokeMap = invokeMap;
    lodash.iteratee = iteratee;
    lodash.keyBy = keyBy;
    lodash.keys = keys;
    lodash.keysIn = keysIn;
    lodash.map = map;
    lodash.mapKeys = mapKeys;
    lodash.mapValues = mapValues;
    lodash.matches = matches;
    lodash.matchesProperty = matchesProperty;
    lodash.memoize = memoize;
    lodash.merge = merge;
    lodash.mergeWith = mergeWith;
    lodash.method = method;
    lodash.methodOf = methodOf;
    lodash.mixin = mixin;
    lodash.negate = negate;
    lodash.nthArg = nthArg;
    lodash.omit = omit;
    lodash.omitBy = omitBy;
    lodash.once = once;
    lodash.orderBy = orderBy;
    lodash.over = over;
    lodash.overArgs = overArgs;
    lodash.overEvery = overEvery;
    lodash.overSome = overSome;
    lodash.partial = partial;
    lodash.partialRight = partialRight;
    lodash.partition = partition;
    lodash.pick = pick;
    lodash.pickBy = pickBy;
    lodash.property = property;
    lodash.propertyOf = propertyOf;
    lodash.pull = pull;
    lodash.pullAll = pullAll;
    lodash.pullAllBy = pullAllBy;
    lodash.pullAllWith = pullAllWith;
    lodash.pullAt = pullAt;
    lodash.range = range;
    lodash.rangeRight = rangeRight;
    lodash.rearg = rearg;
    lodash.reject = reject;
    lodash.remove = remove;
    lodash.rest = rest;
    lodash.reverse = reverse;
    lodash.sampleSize = sampleSize;
    lodash.set = set;
    lodash.setWith = setWith;
    lodash.shuffle = shuffle;
    lodash.slice = slice;
    lodash.sortBy = sortBy;
    lodash.sortedUniq = sortedUniq;
    lodash.sortedUniqBy = sortedUniqBy;
    lodash.split = split;
    lodash.spread = spread;
    lodash.tail = tail;
    lodash.take = take;
    lodash.takeRight = takeRight;
    lodash.takeRightWhile = takeRightWhile;
    lodash.takeWhile = takeWhile;
    lodash.tap = tap;
    lodash.throttle = throttle;
    lodash.thru = thru;
    lodash.toArray = toArray;
    lodash.toPairs = toPairs;
    lodash.toPairsIn = toPairsIn;
    lodash.toPath = toPath;
    lodash.toPlainObject = toPlainObject;
    lodash.transform = transform;
    lodash.unary = unary;
    lodash.union = union;
    lodash.unionBy = unionBy;
    lodash.unionWith = unionWith;
    lodash.uniq = uniq;
    lodash.uniqBy = uniqBy;
    lodash.uniqWith = uniqWith;
    lodash.unset = unset;
    lodash.unzip = unzip;
    lodash.unzipWith = unzipWith;
    lodash.update = update;
    lodash.updateWith = updateWith;
    lodash.values = values;
    lodash.valuesIn = valuesIn;
    lodash.without = without;
    lodash.words = words;
    lodash.wrap = wrap;
    lodash.xor = xor;
    lodash.xorBy = xorBy;
    lodash.xorWith = xorWith;
    lodash.zip = zip;
    lodash.zipObject = zipObject;
    lodash.zipObjectDeep = zipObjectDeep;
    lodash.zipWith = zipWith;

    // Add aliases.
    lodash.entries = toPairs;
    lodash.entriesIn = toPairsIn;
    lodash.extend = assignIn;
    lodash.extendWith = assignInWith;

    // Add methods to `lodash.prototype`.
    mixin(lodash, lodash);

    /*------------------------------------------------------------------------*/

    // Add methods that return unwrapped values in chain sequences.
    lodash.add = add;
    lodash.attempt = attempt;
    lodash.camelCase = camelCase;
    lodash.capitalize = capitalize;
    lodash.ceil = ceil;
    lodash.clamp = clamp;
    lodash.clone = clone;
    lodash.cloneDeep = cloneDeep;
    lodash.cloneDeepWith = cloneDeepWith;
    lodash.cloneWith = cloneWith;
    lodash.conformsTo = conformsTo;
    lodash.deburr = deburr;
    lodash.defaultTo = defaultTo;
    lodash.divide = divide;
    lodash.endsWith = endsWith;
    lodash.eq = eq;
    lodash.escape = escape;
    lodash.escapeRegExp = escapeRegExp;
    lodash.every = every;
    lodash.find = find;
    lodash.findIndex = findIndex;
    lodash.findKey = findKey;
    lodash.findLast = findLast;
    lodash.findLastIndex = findLastIndex;
    lodash.findLastKey = findLastKey;
    lodash.floor = floor;
    lodash.forEach = forEach;
    lodash.forEachRight = forEachRight;
    lodash.forIn = forIn;
    lodash.forInRight = forInRight;
    lodash.forOwn = forOwn;
    lodash.forOwnRight = forOwnRight;
    lodash.get = get;
    lodash.gt = gt;
    lodash.gte = gte;
    lodash.has = has;
    lodash.hasIn = hasIn;
    lodash.head = head;
    lodash.identity = identity;
    lodash.includes = includes;
    lodash.indexOf = indexOf;
    lodash.inRange = inRange;
    lodash.invoke = invoke;
    lodash.isArguments = isArguments;
    lodash.isArray = isArray;
    lodash.isArrayBuffer = isArrayBuffer;
    lodash.isArrayLike = isArrayLike;
    lodash.isArrayLikeObject = isArrayLikeObject;
    lodash.isBoolean = isBoolean;
    lodash.isBuffer = isBuffer;
    lodash.isDate = isDate;
    lodash.isElement = isElement;
    lodash.isEmpty = isEmpty;
    lodash.isEqual = isEqual;
    lodash.isEqualWith = isEqualWith;
    lodash.isError = isError;
    lodash.isFinite = isFinite;
    lodash.isFunction = isFunction;
    lodash.isInteger = isInteger;
    lodash.isLength = isLength;
    lodash.isMap = isMap;
    lodash.isMatch = isMatch;
    lodash.isMatchWith = isMatchWith;
    lodash.isNaN = isNaN;
    lodash.isNative = isNative;
    lodash.isNil = isNil;
    lodash.isNull = isNull;
    lodash.isNumber = isNumber;
    lodash.isObject = isObject;
    lodash.isObjectLike = isObjectLike;
    lodash.isPlainObject = isPlainObject;
    lodash.isRegExp = isRegExp;
    lodash.isSafeInteger = isSafeInteger;
    lodash.isSet = isSet;
    lodash.isString = isString;
    lodash.isSymbol = isSymbol;
    lodash.isTypedArray = isTypedArray;
    lodash.isUndefined = isUndefined;
    lodash.isWeakMap = isWeakMap;
    lodash.isWeakSet = isWeakSet;
    lodash.join = join;
    lodash.kebabCase = kebabCase;
    lodash.last = last;
    lodash.lastIndexOf = lastIndexOf;
    lodash.lowerCase = lowerCase;
    lodash.lowerFirst = lowerFirst;
    lodash.lt = lt;
    lodash.lte = lte;
    lodash.max = max;
    lodash.maxBy = maxBy;
    lodash.mean = mean;
    lodash.meanBy = meanBy;
    lodash.min = min;
    lodash.minBy = minBy;
    lodash.stubArray = stubArray;
    lodash.stubFalse = stubFalse;
    lodash.stubObject = stubObject;
    lodash.stubString = stubString;
    lodash.stubTrue = stubTrue;
    lodash.multiply = multiply;
    lodash.nth = nth;
    lodash.noConflict = noConflict;
    lodash.noop = noop;
    lodash.now = now;
    lodash.pad = pad;
    lodash.padEnd = padEnd;
    lodash.padStart = padStart;
    lodash.parseInt = parseInt;
    lodash.random = random;
    lodash.reduce = reduce;
    lodash.reduceRight = reduceRight;
    lodash.repeat = repeat;
    lodash.replace = replace;
    lodash.result = result;
    lodash.round = round;
    lodash.runInContext = runInContext;
    lodash.sample = sample;
    lodash.size = size;
    lodash.snakeCase = snakeCase;
    lodash.some = some;
    lodash.sortedIndex = sortedIndex;
    lodash.sortedIndexBy = sortedIndexBy;
    lodash.sortedIndexOf = sortedIndexOf;
    lodash.sortedLastIndex = sortedLastIndex;
    lodash.sortedLastIndexBy = sortedLastIndexBy;
    lodash.sortedLastIndexOf = sortedLastIndexOf;
    lodash.startCase = startCase;
    lodash.startsWith = startsWith;
    lodash.subtract = subtract;
    lodash.sum = sum;
    lodash.sumBy = sumBy;
    lodash.template = template;
    lodash.times = times;
    lodash.toFinite = toFinite;
    lodash.toInteger = toInteger;
    lodash.toLength = toLength;
    lodash.toLower = toLower;
    lodash.toNumber = toNumber;
    lodash.toSafeInteger = toSafeInteger;
    lodash.toString = toString;
    lodash.toUpper = toUpper;
    lodash.trim = trim;
    lodash.trimEnd = trimEnd;
    lodash.trimStart = trimStart;
    lodash.truncate = truncate;
    lodash.unescape = unescape;
    lodash.uniqueId = uniqueId;
    lodash.upperCase = upperCase;
    lodash.upperFirst = upperFirst;

    // Add aliases.
    lodash.each = forEach;
    lodash.eachRight = forEachRight;
    lodash.first = head;

    mixin(lodash, (function() {
      var source = {};
      baseForOwn(lodash, function(func, methodName) {
        if (!hasOwnProperty.call(lodash.prototype, methodName)) {
          source[methodName] = func;
        }
      });
      return source;
    }()), { 'chain': false });

    /*------------------------------------------------------------------------*/

    /**
     * The semantic version number.
     *
     * @static
     * @memberOf _
     * @type {string}
     */
    lodash.VERSION = VERSION;

    // Assign default placeholders.
    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
      lodash[methodName].placeholder = lodash;
    });

    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
    arrayEach(['drop', 'take'], function(methodName, index) {
      LazyWrapper.prototype[methodName] = function(n) {
        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);

        var result = (this.__filtered__ && !index)
          ? new LazyWrapper(this)
          : this.clone();

        if (result.__filtered__) {
          result.__takeCount__ = nativeMin(n, result.__takeCount__);
        } else {
          result.__views__.push({
            'size': nativeMin(n, MAX_ARRAY_LENGTH),
            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
          });
        }
        return result;
      };

      LazyWrapper.prototype[methodName + 'Right'] = function(n) {
        return this.reverse()[methodName](n).reverse();
      };
    });

    // Add `LazyWrapper` methods that accept an `iteratee` value.
    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
      var type = index + 1,
          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;

      LazyWrapper.prototype[methodName] = function(iteratee) {
        var result = this.clone();
        result.__iteratees__.push({
          'iteratee': getIteratee(iteratee, 3),
          'type': type
        });
        result.__filtered__ = result.__filtered__ || isFilter;
        return result;
      };
    });

    // Add `LazyWrapper` methods for `_.head` and `_.last`.
    arrayEach(['head', 'last'], function(methodName, index) {
      var takeName = 'take' + (index ? 'Right' : '');

      LazyWrapper.prototype[methodName] = function() {
        return this[takeName](1).value()[0];
      };
    });

    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
    arrayEach(['initial', 'tail'], function(methodName, index) {
      var dropName = 'drop' + (index ? '' : 'Right');

      LazyWrapper.prototype[methodName] = function() {
        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
      };
    });

    LazyWrapper.prototype.compact = function() {
      return this.filter(identity);
    };

    LazyWrapper.prototype.find = function(predicate) {
      return this.filter(predicate).head();
    };

    LazyWrapper.prototype.findLast = function(predicate) {
      return this.reverse().find(predicate);
    };

    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
      if (typeof path == 'function') {
        return new LazyWrapper(this);
      }
      return this.map(function(value) {
        return baseInvoke(value, path, args);
      });
    });

    LazyWrapper.prototype.reject = function(predicate) {
      return this.filter(negate(getIteratee(predicate)));
    };

    LazyWrapper.prototype.slice = function(start, end) {
      start = toInteger(start);

      var result = this;
      if (result.__filtered__ && (start > 0 || end < 0)) {
        return new LazyWrapper(result);
      }
      if (start < 0) {
        result = result.takeRight(-start);
      } else if (start) {
        result = result.drop(start);
      }
      if (end !== undefined) {
        end = toInteger(end);
        result = end < 0 ? result.dropRight(-end) : result.take(end - start);
      }
      return result;
    };

    LazyWrapper.prototype.takeRightWhile = function(predicate) {
      return this.reverse().takeWhile(predicate).reverse();
    };

    LazyWrapper.prototype.toArray = function() {
      return this.take(MAX_ARRAY_LENGTH);
    };

    // Add `LazyWrapper` methods to `lodash.prototype`.
    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
          isTaker = /^(?:head|last)$/.test(methodName),
          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
          retUnwrapped = isTaker || /^find/.test(methodName);

      if (!lodashFunc) {
        return;
      }
      lodash.prototype[methodName] = function() {
        var value = this.__wrapped__,
            args = isTaker ? [1] : arguments,
            isLazy = value instanceof LazyWrapper,
            iteratee = args[0],
            useLazy = isLazy || isArray(value);

        var interceptor = function(value) {
          var result = lodashFunc.apply(lodash, arrayPush([value], args));
          return (isTaker && chainAll) ? result[0] : result;
        };

        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
          // Avoid lazy use if the iteratee has a "length" value other than `1`.
          isLazy = useLazy = false;
        }
        var chainAll = this.__chain__,
            isHybrid = !!this.__actions__.length,
            isUnwrapped = retUnwrapped && !chainAll,
            onlyLazy = isLazy && !isHybrid;

        if (!retUnwrapped && useLazy) {
          value = onlyLazy ? value : new LazyWrapper(this);
          var result = func.apply(value, args);
          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
          return new LodashWrapper(result, chainAll);
        }
        if (isUnwrapped && onlyLazy) {
          return func.apply(this, args);
        }
        result = this.thru(interceptor);
        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
      };
    });

    // Add `Array` methods to `lodash.prototype`.
    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
      var func = arrayProto[methodName],
          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
          retUnwrapped = /^(?:pop|shift)$/.test(methodName);

      lodash.prototype[methodName] = function() {
        var args = arguments;
        if (retUnwrapped && !this.__chain__) {
          var value = this.value();
          return func.apply(isArray(value) ? value : [], args);
        }
        return this[chainName](function(value) {
          return func.apply(isArray(value) ? value : [], args);
        });
      };
    });

    // Map minified method names to their real names.
    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
      var lodashFunc = lodash[methodName];
      if (lodashFunc) {
        var key = lodashFunc.name + '';
        if (!hasOwnProperty.call(realNames, key)) {
          realNames[key] = [];
        }
        realNames[key].push({ 'name': methodName, 'func': lodashFunc });
      }
    });

    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
      'name': 'wrapper',
      'func': undefined
    }];

    // Add methods to `LazyWrapper`.
    LazyWrapper.prototype.clone = lazyClone;
    LazyWrapper.prototype.reverse = lazyReverse;
    LazyWrapper.prototype.value = lazyValue;

    // Add chain sequence methods to the `lodash` wrapper.
    lodash.prototype.at = wrapperAt;
    lodash.prototype.chain = wrapperChain;
    lodash.prototype.commit = wrapperCommit;
    lodash.prototype.next = wrapperNext;
    lodash.prototype.plant = wrapperPlant;
    lodash.prototype.reverse = wrapperReverse;
    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;

    // Add lazy aliases.
    lodash.prototype.first = lodash.prototype.head;

    if (symIterator) {
      lodash.prototype[symIterator] = wrapperToIterator;
    }
    return lodash;
  });

  /*--------------------------------------------------------------------------*/

  // Export lodash.
  var _ = runInContext();

  // Some AMD build optimizers, like r.js, check for condition patterns like:
  if (true) {
    // Expose Lodash on the global object to prevent errors when Lodash is
    // loaded by a script tag in the presence of an AMD loader.
    // See http://requirejs.org/docs/errors.html#mismatch for more details.
    // Use `_.noConflict` to remove Lodash from the global object.
    root._ = _;

    // Define as an anonymous module so, through path mapping, it can be
    // referenced as the "underscore" module.
    !(__WEBPACK_AMD_DEFINE_RESULT__ = (function() {
      return _;
    }).call(exports, __webpack_require__, exports, module),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  }
  // Check for `exports` after `define` in case a build optimizer adds it.
  else {}
}.call(this));

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js"), __webpack_require__(/*! ./../webpack/buildin/module.js */ "./node_modules/webpack/buildin/module.js")(module)))

/***/ }),

/***/ "./node_modules/masonry-layout/masonry.js":
/*!************************************************!*\
  !*** ./node_modules/masonry-layout/masonry.js ***!
  \************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
 * Masonry v4.2.2
 * Cascading grid layout library
 * https://masonry.desandro.com
 * MIT License
 * by David DeSandro
 */

( function( window, factory ) {
  // universal module definition
  /* jshint strict: false */ /*globals define, module, require */
  if ( true ) {
    // AMD
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [
        __webpack_require__(/*! outlayer/outlayer */ "./node_modules/outlayer/outlayer.js"),
        __webpack_require__(/*! get-size/get-size */ "./node_modules/get-size/get-size.js")
      ], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}

}( window, function factory( Outlayer, getSize ) {

'use strict';

// -------------------------- masonryDefinition -------------------------- //

  // create an Outlayer layout class
  var Masonry = Outlayer.create('masonry');
  // isFitWidth -> fitWidth
  Masonry.compatOptions.fitWidth = 'isFitWidth';

  var proto = Masonry.prototype;

  proto._resetLayout = function() {
    this.getSize();
    this._getMeasurement( 'columnWidth', 'outerWidth' );
    this._getMeasurement( 'gutter', 'outerWidth' );
    this.measureColumns();

    // reset column Y
    this.colYs = [];
    for ( var i=0; i < this.cols; i++ ) {
      this.colYs.push( 0 );
    }

    this.maxY = 0;
    this.horizontalColIndex = 0;
  };

  proto.measureColumns = function() {
    this.getContainerWidth();
    // if columnWidth is 0, default to outerWidth of first item
    if ( !this.columnWidth ) {
      var firstItem = this.items[0];
      var firstItemElem = firstItem && firstItem.element;
      // columnWidth fall back to item of first element
      this.columnWidth = firstItemElem && getSize( firstItemElem ).outerWidth ||
        // if first elem has no width, default to size of container
        this.containerWidth;
    }

    var columnWidth = this.columnWidth += this.gutter;

    // calculate columns
    var containerWidth = this.containerWidth + this.gutter;
    var cols = containerWidth / columnWidth;
    // fix rounding errors, typically with gutters
    var excess = columnWidth - containerWidth % columnWidth;
    // if overshoot is less than a pixel, round up, otherwise floor it
    var mathMethod = excess && excess < 1 ? 'round' : 'floor';
    cols = Math[ mathMethod ]( cols );
    this.cols = Math.max( cols, 1 );
  };

  proto.getContainerWidth = function() {
    // container is parent if fit width
    var isFitWidth = this._getOption('fitWidth');
    var container = isFitWidth ? this.element.parentNode : this.element;
    // check that this.size and size are there
    // IE8 triggers resize on body size change, so they might not be
    var size = getSize( container );
    this.containerWidth = size && size.innerWidth;
  };

  proto._getItemLayoutPosition = function( item ) {
    item.getSize();
    // how many columns does this brick span
    var remainder = item.size.outerWidth % this.columnWidth;
    var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
    // round if off by 1 pixel, otherwise use ceil
    var colSpan = Math[ mathMethod ]( item.size.outerWidth / this.columnWidth );
    colSpan = Math.min( colSpan, this.cols );
    // use horizontal or top column position
    var colPosMethod = this.options.horizontalOrder ?
      '_getHorizontalColPosition' : '_getTopColPosition';
    var colPosition = this[ colPosMethod ]( colSpan, item );
    // position the brick
    var position = {
      x: this.columnWidth * colPosition.col,
      y: colPosition.y
    };
    // apply setHeight to necessary columns
    var setHeight = colPosition.y + item.size.outerHeight;
    var setMax = colSpan + colPosition.col;
    for ( var i = colPosition.col; i < setMax; i++ ) {
      this.colYs[i] = setHeight;
    }

    return position;
  };

  proto._getTopColPosition = function( colSpan ) {
    var colGroup = this._getTopColGroup( colSpan );
    // get the minimum Y value from the columns
    var minimumY = Math.min.apply( Math, colGroup );

    return {
      col: colGroup.indexOf( minimumY ),
      y: minimumY,
    };
  };

  /**
   * @param {Number} colSpan - number of columns the element spans
   * @returns {Array} colGroup
   */
  proto._getTopColGroup = function( colSpan ) {
    if ( colSpan < 2 ) {
      // if brick spans only one column, use all the column Ys
      return this.colYs;
    }

    var colGroup = [];
    // how many different places could this brick fit horizontally
    var groupCount = this.cols + 1 - colSpan;
    // for each group potential horizontal position
    for ( var i = 0; i < groupCount; i++ ) {
      colGroup[i] = this._getColGroupY( i, colSpan );
    }
    return colGroup;
  };

  proto._getColGroupY = function( col, colSpan ) {
    if ( colSpan < 2 ) {
      return this.colYs[ col ];
    }
    // make an array of colY values for that one group
    var groupColYs = this.colYs.slice( col, col + colSpan );
    // and get the max value of the array
    return Math.max.apply( Math, groupColYs );
  };

  // get column position based on horizontal index. #873
  proto._getHorizontalColPosition = function( colSpan, item ) {
    var col = this.horizontalColIndex % this.cols;
    var isOver = colSpan > 1 && col + colSpan > this.cols;
    // shift to next row if item can't fit on current row
    col = isOver ? 0 : col;
    // don't let zero-size items take up space
    var hasSize = item.size.outerWidth && item.size.outerHeight;
    this.horizontalColIndex = hasSize ? col + colSpan : this.horizontalColIndex;

    return {
      col: col,
      y: this._getColGroupY( col, colSpan ),
    };
  };

  proto._manageStamp = function( stamp ) {
    var stampSize = getSize( stamp );
    var offset = this._getElementOffset( stamp );
    // get the columns that this stamp affects
    var isOriginLeft = this._getOption('originLeft');
    var firstX = isOriginLeft ? offset.left : offset.right;
    var lastX = firstX + stampSize.outerWidth;
    var firstCol = Math.floor( firstX / this.columnWidth );
    firstCol = Math.max( 0, firstCol );
    var lastCol = Math.floor( lastX / this.columnWidth );
    // lastCol should not go over if multiple of columnWidth #425
    lastCol -= lastX % this.columnWidth ? 0 : 1;
    lastCol = Math.min( this.cols - 1, lastCol );
    // set colYs to bottom of the stamp

    var isOriginTop = this._getOption('originTop');
    var stampMaxY = ( isOriginTop ? offset.top : offset.bottom ) +
      stampSize.outerHeight;
    for ( var i = firstCol; i <= lastCol; i++ ) {
      this.colYs[i] = Math.max( stampMaxY, this.colYs[i] );
    }
  };

  proto._getContainerSize = function() {
    this.maxY = Math.max.apply( Math, this.colYs );
    var size = {
      height: this.maxY
    };

    if ( this._getOption('fitWidth') ) {
      size.width = this._getContainerFitWidth();
    }

    return size;
  };

  proto._getContainerFitWidth = function() {
    var unusedCols = 0;
    // count unused columns
    var i = this.cols;
    while ( --i ) {
      if ( this.colYs[i] !== 0 ) {
        break;
      }
      unusedCols++;
    }
    // fit container to columns that have been used
    return ( this.cols - unusedCols ) * this.columnWidth - this.gutter;
  };

  proto.needsResizeLayout = function() {
    var previousWidth = this.containerWidth;
    this.getContainerWidth();
    return previousWidth != this.containerWidth;
  };

  return Masonry;

}));


/***/ }),

/***/ "./node_modules/outlayer/item.js":
/*!***************************************!*\
  !*** ./node_modules/outlayer/item.js ***!
  \***************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/**
 * Outlayer Item
 */

( function( window, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module, require */
  if ( true ) {
    // AMD - RequireJS
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [
        __webpack_require__(/*! ev-emitter/ev-emitter */ "./node_modules/ev-emitter/ev-emitter.js"),
        __webpack_require__(/*! get-size/get-size */ "./node_modules/get-size/get-size.js")
      ], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
				(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}

}( window, function factory( EvEmitter, getSize ) {
'use strict';

// ----- helpers ----- //

function isEmptyObj( obj ) {
  for ( var prop in obj ) {
    return false;
  }
  prop = null;
  return true;
}

// -------------------------- CSS3 support -------------------------- //


var docElemStyle = document.documentElement.style;

var transitionProperty = typeof docElemStyle.transition == 'string' ?
  'transition' : 'WebkitTransition';
var transformProperty = typeof docElemStyle.transform == 'string' ?
  'transform' : 'WebkitTransform';

var transitionEndEvent = {
  WebkitTransition: 'webkitTransitionEnd',
  transition: 'transitionend'
}[ transitionProperty ];

// cache all vendor properties that could have vendor prefix
var vendorProperties = {
  transform: transformProperty,
  transition: transitionProperty,
  transitionDuration: transitionProperty + 'Duration',
  transitionProperty: transitionProperty + 'Property',
  transitionDelay: transitionProperty + 'Delay'
};

// -------------------------- Item -------------------------- //

function Item( element, layout ) {
  if ( !element ) {
    return;
  }

  this.element = element;
  // parent layout class, i.e. Masonry, Isotope, or Packery
  this.layout = layout;
  this.position = {
    x: 0,
    y: 0
  };

  this._create();
}

// inherit EvEmitter
var proto = Item.prototype = Object.create( EvEmitter.prototype );
proto.constructor = Item;

proto._create = function() {
  // transition objects
  this._transn = {
    ingProperties: {},
    clean: {},
    onEnd: {}
  };

  this.css({
    position: 'absolute'
  });
};

// trigger specified handler for event type
proto.handleEvent = function( event ) {
  var method = 'on' + event.type;
  if ( this[ method ] ) {
    this[ method ]( event );
  }
};

proto.getSize = function() {
  this.size = getSize( this.element );
};

/**
 * apply CSS styles to element
 * @param {Object} style
 */
proto.css = function( style ) {
  var elemStyle = this.element.style;

  for ( var prop in style ) {
    // use vendor property if available
    var supportedProp = vendorProperties[ prop ] || prop;
    elemStyle[ supportedProp ] = style[ prop ];
  }
};

 // measure position, and sets it
proto.getPosition = function() {
  var style = getComputedStyle( this.element );
  var isOriginLeft = this.layout._getOption('originLeft');
  var isOriginTop = this.layout._getOption('originTop');
  var xValue = style[ isOriginLeft ? 'left' : 'right' ];
  var yValue = style[ isOriginTop ? 'top' : 'bottom' ];
  var x = parseFloat( xValue );
  var y = parseFloat( yValue );
  // convert percent to pixels
  var layoutSize = this.layout.size;
  if ( xValue.indexOf('%') != -1 ) {
    x = ( x / 100 ) * layoutSize.width;
  }
  if ( yValue.indexOf('%') != -1 ) {
    y = ( y / 100 ) * layoutSize.height;
  }
  // clean up 'auto' or other non-integer values
  x = isNaN( x ) ? 0 : x;
  y = isNaN( y ) ? 0 : y;
  // remove padding from measurement
  x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
  y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;

  this.position.x = x;
  this.position.y = y;
};

// set settled position, apply padding
proto.layoutPosition = function() {
  var layoutSize = this.layout.size;
  var style = {};
  var isOriginLeft = this.layout._getOption('originLeft');
  var isOriginTop = this.layout._getOption('originTop');

  // x
  var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight';
  var xProperty = isOriginLeft ? 'left' : 'right';
  var xResetProperty = isOriginLeft ? 'right' : 'left';

  var x = this.position.x + layoutSize[ xPadding ];
  // set in percentage or pixels
  style[ xProperty ] = this.getXValue( x );
  // reset other property
  style[ xResetProperty ] = '';

  // y
  var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom';
  var yProperty = isOriginTop ? 'top' : 'bottom';
  var yResetProperty = isOriginTop ? 'bottom' : 'top';

  var y = this.position.y + layoutSize[ yPadding ];
  // set in percentage or pixels
  style[ yProperty ] = this.getYValue( y );
  // reset other property
  style[ yResetProperty ] = '';

  this.css( style );
  this.emitEvent( 'layout', [ this ] );
};

proto.getXValue = function( x ) {
  var isHorizontal = this.layout._getOption('horizontal');
  return this.layout.options.percentPosition && !isHorizontal ?
    ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
};

proto.getYValue = function( y ) {
  var isHorizontal = this.layout._getOption('horizontal');
  return this.layout.options.percentPosition && isHorizontal ?
    ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
};

proto._transitionTo = function( x, y ) {
  this.getPosition();
  // get current x & y from top/left
  var curX = this.position.x;
  var curY = this.position.y;

  var didNotMove = x == this.position.x && y == this.position.y;

  // save end position
  this.setPosition( x, y );

  // if did not move and not transitioning, just go to layout
  if ( didNotMove && !this.isTransitioning ) {
    this.layoutPosition();
    return;
  }

  var transX = x - curX;
  var transY = y - curY;
  var transitionStyle = {};
  transitionStyle.transform = this.getTranslate( transX, transY );

  this.transition({
    to: transitionStyle,
    onTransitionEnd: {
      transform: this.layoutPosition
    },
    isCleaning: true
  });
};

proto.getTranslate = function( x, y ) {
  // flip cooridinates if origin on right or bottom
  var isOriginLeft = this.layout._getOption('originLeft');
  var isOriginTop = this.layout._getOption('originTop');
  x = isOriginLeft ? x : -x;
  y = isOriginTop ? y : -y;
  return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
};

// non transition + transform support
proto.goTo = function( x, y ) {
  this.setPosition( x, y );
  this.layoutPosition();
};

proto.moveTo = proto._transitionTo;

proto.setPosition = function( x, y ) {
  this.position.x = parseFloat( x );
  this.position.y = parseFloat( y );
};

// ----- transition ----- //

/**
 * @param {Object} style - CSS
 * @param {Function} onTransitionEnd
 */

// non transition, just trigger callback
proto._nonTransition = function( args ) {
  this.css( args.to );
  if ( args.isCleaning ) {
    this._removeStyles( args.to );
  }
  for ( var prop in args.onTransitionEnd ) {
    args.onTransitionEnd[ prop ].call( this );
  }
};

/**
 * proper transition
 * @param {Object} args - arguments
 *   @param {Object} to - style to transition to
 *   @param {Object} from - style to start transition from
 *   @param {Boolean} isCleaning - removes transition styles after transition
 *   @param {Function} onTransitionEnd - callback
 */
proto.transition = function( args ) {
  // redirect to nonTransition if no transition duration
  if ( !parseFloat( this.layout.options.transitionDuration ) ) {
    this._nonTransition( args );
    return;
  }

  var _transition = this._transn;
  // keep track of onTransitionEnd callback by css property
  for ( var prop in args.onTransitionEnd ) {
    _transition.onEnd[ prop ] = args.onTransitionEnd[ prop ];
  }
  // keep track of properties that are transitioning
  for ( prop in args.to ) {
    _transition.ingProperties[ prop ] = true;
    // keep track of properties to clean up when transition is done
    if ( args.isCleaning ) {
      _transition.clean[ prop ] = true;
    }
  }

  // set from styles
  if ( args.from ) {
    this.css( args.from );
    // force redraw. http://blog.alexmaccaw.com/css-transitions
    var h = this.element.offsetHeight;
    // hack for JSHint to hush about unused var
    h = null;
  }
  // enable transition
  this.enableTransition( args.to );
  // set styles that are transitioning
  this.css( args.to );

  this.isTransitioning = true;

};

// dash before all cap letters, including first for
// WebkitTransform => -webkit-transform
function toDashedAll( str ) {
  return str.replace( /([A-Z])/g, function( $1 ) {
    return '-' + $1.toLowerCase();
  });
}

var transitionProps = 'opacity,' + toDashedAll( transformProperty );

proto.enableTransition = function(/* style */) {
  // HACK changing transitionProperty during a transition
  // will cause transition to jump
  if ( this.isTransitioning ) {
    return;
  }

  // make `transition: foo, bar, baz` from style object
  // HACK un-comment this when enableTransition can work
  // while a transition is happening
  // var transitionValues = [];
  // for ( var prop in style ) {
  //   // dash-ify camelCased properties like WebkitTransition
  //   prop = vendorProperties[ prop ] || prop;
  //   transitionValues.push( toDashedAll( prop ) );
  // }
  // munge number to millisecond, to match stagger
  var duration = this.layout.options.transitionDuration;
  duration = typeof duration == 'number' ? duration + 'ms' : duration;
  // enable transition styles
  this.css({
    transitionProperty: transitionProps,
    transitionDuration: duration,
    transitionDelay: this.staggerDelay || 0
  });
  // listen for transition end event
  this.element.addEventListener( transitionEndEvent, this, false );
};

// ----- events ----- //

proto.onwebkitTransitionEnd = function( event ) {
  this.ontransitionend( event );
};

proto.onotransitionend = function( event ) {
  this.ontransitionend( event );
};

// properties that I munge to make my life easier
var dashedVendorProperties = {
  '-webkit-transform': 'transform'
};

proto.ontransitionend = function( event ) {
  // disregard bubbled events from children
  if ( event.target !== this.element ) {
    return;
  }
  var _transition = this._transn;
  // get property name of transitioned property, convert to prefix-free
  var propertyName = dashedVendorProperties[ event.propertyName ] || event.propertyName;

  // remove property that has completed transitioning
  delete _transition.ingProperties[ propertyName ];
  // check if any properties are still transitioning
  if ( isEmptyObj( _transition.ingProperties ) ) {
    // all properties have completed transitioning
    this.disableTransition();
  }
  // clean style
  if ( propertyName in _transition.clean ) {
    // clean up style
    this.element.style[ event.propertyName ] = '';
    delete _transition.clean[ propertyName ];
  }
  // trigger onTransitionEnd callback
  if ( propertyName in _transition.onEnd ) {
    var onTransitionEnd = _transition.onEnd[ propertyName ];
    onTransitionEnd.call( this );
    delete _transition.onEnd[ propertyName ];
  }

  this.emitEvent( 'transitionEnd', [ this ] );
};

proto.disableTransition = function() {
  this.removeTransitionStyles();
  this.element.removeEventListener( transitionEndEvent, this, false );
  this.isTransitioning = false;
};

/**
 * removes style property from element
 * @param {Object} style
**/
proto._removeStyles = function( style ) {
  // clean up transition styles
  var cleanStyle = {};
  for ( var prop in style ) {
    cleanStyle[ prop ] = '';
  }
  this.css( cleanStyle );
};

var cleanTransitionStyle = {
  transitionProperty: '',
  transitionDuration: '',
  transitionDelay: ''
};

proto.removeTransitionStyles = function() {
  // remove transition
  this.css( cleanTransitionStyle );
};

// ----- stagger ----- //

proto.stagger = function( delay ) {
  delay = isNaN( delay ) ? 0 : delay;
  this.staggerDelay = delay + 'ms';
};

// ----- show/hide/remove ----- //

// remove element from DOM
proto.removeElem = function() {
  this.element.parentNode.removeChild( this.element );
  // remove display: none
  this.css({ display: '' });
  this.emitEvent( 'remove', [ this ] );
};

proto.remove = function() {
  // just remove element if no transition support or no transition
  if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) {
    this.removeElem();
    return;
  }

  // start transition
  this.once( 'transitionEnd', function() {
    this.removeElem();
  });
  this.hide();
};

proto.reveal = function() {
  delete this.isHidden;
  // remove display: none
  this.css({ display: '' });

  var options = this.layout.options;

  var onTransitionEnd = {};
  var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle');
  onTransitionEnd[ transitionEndProperty ] = this.onRevealTransitionEnd;

  this.transition({
    from: options.hiddenStyle,
    to: options.visibleStyle,
    isCleaning: true,
    onTransitionEnd: onTransitionEnd
  });
};

proto.onRevealTransitionEnd = function() {
  // check if still visible
  // during transition, item may have been hidden
  if ( !this.isHidden ) {
    this.emitEvent('reveal');
  }
};

/**
 * get style property use for hide/reveal transition end
 * @param {String} styleProperty - hiddenStyle/visibleStyle
 * @returns {String}
 */
proto.getHideRevealTransitionEndProperty = function( styleProperty ) {
  var optionStyle = this.layout.options[ styleProperty ];
  // use opacity
  if ( optionStyle.opacity ) {
    return 'opacity';
  }
  // get first property
  for ( var prop in optionStyle ) {
    return prop;
  }
};

proto.hide = function() {
  // set flag
  this.isHidden = true;
  // remove display: none
  this.css({ display: '' });

  var options = this.layout.options;

  var onTransitionEnd = {};
  var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle');
  onTransitionEnd[ transitionEndProperty ] = this.onHideTransitionEnd;

  this.transition({
    from: options.visibleStyle,
    to: options.hiddenStyle,
    // keep hidden stuff hidden
    isCleaning: true,
    onTransitionEnd: onTransitionEnd
  });
};

proto.onHideTransitionEnd = function() {
  // check if still hidden
  // during transition, item may have been un-hidden
  if ( this.isHidden ) {
    this.css({ display: 'none' });
    this.emitEvent('hide');
  }
};

proto.destroy = function() {
  this.css({
    position: '',
    left: '',
    right: '',
    top: '',
    bottom: '',
    transition: '',
    transform: ''
  });
};

return Item;

}));


/***/ }),

/***/ "./node_modules/outlayer/outlayer.js":
/*!*******************************************!*\
  !*** ./node_modules/outlayer/outlayer.js ***!
  \*******************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
 * Outlayer v2.1.1
 * the brains and guts of a layout library
 * MIT license
 */

( function( window, factory ) {
  'use strict';
  // universal module definition
  /* jshint strict: false */ /* globals define, module, require */
  if ( true ) {
    // AMD - RequireJS
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [
        __webpack_require__(/*! ev-emitter/ev-emitter */ "./node_modules/ev-emitter/ev-emitter.js"),
        __webpack_require__(/*! get-size/get-size */ "./node_modules/get-size/get-size.js"),
        __webpack_require__(/*! fizzy-ui-utils/utils */ "./node_modules/fizzy-ui-utils/utils.js"),
        __webpack_require__(/*! ./item */ "./node_modules/outlayer/item.js")
      ], __WEBPACK_AMD_DEFINE_RESULT__ = (function( EvEmitter, getSize, utils, Item ) {
        return factory( window, EvEmitter, getSize, utils, Item);
      }).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
  } else {}

}( window, function factory( window, EvEmitter, getSize, utils, Item ) {
'use strict';

// ----- vars ----- //

var console = window.console;
var jQuery = window.jQuery;
var noop = function() {};

// -------------------------- Outlayer -------------------------- //

// globally unique identifiers
var GUID = 0;
// internal store of all Outlayer intances
var instances = {};


/**
 * @param {Element, String} element
 * @param {Object} options
 * @constructor
 */
function Outlayer( element, options ) {
  var queryElement = utils.getQueryElement( element );
  if ( !queryElement ) {
    if ( console ) {
      console.error( 'Bad element for ' + this.constructor.namespace +
        ': ' + ( queryElement || element ) );
    }
    return;
  }
  this.element = queryElement;
  // add jQuery
  if ( jQuery ) {
    this.$element = jQuery( this.element );
  }

  // options
  this.options = utils.extend( {}, this.constructor.defaults );
  this.option( options );

  // add id for Outlayer.getFromElement
  var id = ++GUID;
  this.element.outlayerGUID = id; // expando
  instances[ id ] = this; // associate via id

  // kick it off
  this._create();

  var isInitLayout = this._getOption('initLayout');
  if ( isInitLayout ) {
    this.layout();
  }
}

// settings are for internal use only
Outlayer.namespace = 'outlayer';
Outlayer.Item = Item;

// default options
Outlayer.defaults = {
  containerStyle: {
    position: 'relative'
  },
  initLayout: true,
  originLeft: true,
  originTop: true,
  resize: true,
  resizeContainer: true,
  // item options
  transitionDuration: '0.4s',
  hiddenStyle: {
    opacity: 0,
    transform: 'scale(0.001)'
  },
  visibleStyle: {
    opacity: 1,
    transform: 'scale(1)'
  }
};

var proto = Outlayer.prototype;
// inherit EvEmitter
utils.extend( proto, EvEmitter.prototype );

/**
 * set options
 * @param {Object} opts
 */
proto.option = function( opts ) {
  utils.extend( this.options, opts );
};

/**
 * get backwards compatible option value, check old name
 */
proto._getOption = function( option ) {
  var oldOption = this.constructor.compatOptions[ option ];
  return oldOption && this.options[ oldOption ] !== undefined ?
    this.options[ oldOption ] : this.options[ option ];
};

Outlayer.compatOptions = {
  // currentName: oldName
  initLayout: 'isInitLayout',
  horizontal: 'isHorizontal',
  layoutInstant: 'isLayoutInstant',
  originLeft: 'isOriginLeft',
  originTop: 'isOriginTop',
  resize: 'isResizeBound',
  resizeContainer: 'isResizingContainer'
};

proto._create = function() {
  // get items from children
  this.reloadItems();
  // elements that affect layout, but are not laid out
  this.stamps = [];
  this.stamp( this.options.stamp );
  // set container style
  utils.extend( this.element.style, this.options.containerStyle );

  // bind resize method
  var canBindResize = this._getOption('resize');
  if ( canBindResize ) {
    this.bindResize();
  }
};

// goes through all children again and gets bricks in proper order
proto.reloadItems = function() {
  // collection of item elements
  this.items = this._itemize( this.element.children );
};


/**
 * turn elements into Outlayer.Items to be used in layout
 * @param {Array or NodeList or HTMLElement} elems
 * @returns {Array} items - collection of new Outlayer Items
 */
proto._itemize = function( elems ) {

  var itemElems = this._filterFindItemElements( elems );
  var Item = this.constructor.Item;

  // create new Outlayer Items for collection
  var items = [];
  for ( var i=0; i < itemElems.length; i++ ) {
    var elem = itemElems[i];
    var item = new Item( elem, this );
    items.push( item );
  }

  return items;
};

/**
 * get item elements to be used in layout
 * @param {Array or NodeList or HTMLElement} elems
 * @returns {Array} items - item elements
 */
proto._filterFindItemElements = function( elems ) {
  return utils.filterFindElements( elems, this.options.itemSelector );
};

/**
 * getter method for getting item elements
 * @returns {Array} elems - collection of item elements
 */
proto.getItemElements = function() {
  return this.items.map( function( item ) {
    return item.element;
  });
};

// ----- init & layout ----- //

/**
 * lays out all items
 */
proto.layout = function() {
  this._resetLayout();
  this._manageStamps();

  // don't animate first layout
  var layoutInstant = this._getOption('layoutInstant');
  var isInstant = layoutInstant !== undefined ?
    layoutInstant : !this._isLayoutInited;
  this.layoutItems( this.items, isInstant );

  // flag for initalized
  this._isLayoutInited = true;
};

// _init is alias for layout
proto._init = proto.layout;

/**
 * logic before any new layout
 */
proto._resetLayout = function() {
  this.getSize();
};


proto.getSize = function() {
  this.size = getSize( this.element );
};

/**
 * get measurement from option, for columnWidth, rowHeight, gutter
 * if option is String -> get element from selector string, & get size of element
 * if option is Element -> get size of element
 * else use option as a number
 *
 * @param {String} measurement
 * @param {String} size - width or height
 * @private
 */
proto._getMeasurement = function( measurement, size ) {
  var option = this.options[ measurement ];
  var elem;
  if ( !option ) {
    // default to 0
    this[ measurement ] = 0;
  } else {
    // use option as an element
    if ( typeof option == 'string' ) {
      elem = this.element.querySelector( option );
    } else if ( option instanceof HTMLElement ) {
      elem = option;
    }
    // use size of element, if element
    this[ measurement ] = elem ? getSize( elem )[ size ] : option;
  }
};

/**
 * layout a collection of item elements
 * @api public
 */
proto.layoutItems = function( items, isInstant ) {
  items = this._getItemsForLayout( items );

  this._layoutItems( items, isInstant );

  this._postLayout();
};

/**
 * get the items to be laid out
 * you may want to skip over some items
 * @param {Array} items
 * @returns {Array} items
 */
proto._getItemsForLayout = function( items ) {
  return items.filter( function( item ) {
    return !item.isIgnored;
  });
};

/**
 * layout items
 * @param {Array} items
 * @param {Boolean} isInstant
 */
proto._layoutItems = function( items, isInstant ) {
  this._emitCompleteOnItems( 'layout', items );

  if ( !items || !items.length ) {
    // no items, emit event with empty array
    return;
  }

  var queue = [];

  items.forEach( function( item ) {
    // get x/y object from method
    var position = this._getItemLayoutPosition( item );
    // enqueue
    position.item = item;
    position.isInstant = isInstant || item.isLayoutInstant;
    queue.push( position );
  }, this );

  this._processLayoutQueue( queue );
};

/**
 * get item layout position
 * @param {Outlayer.Item} item
 * @returns {Object} x and y position
 */
proto._getItemLayoutPosition = function( /* item */ ) {
  return {
    x: 0,
    y: 0
  };
};

/**
 * iterate over array and position each item
 * Reason being - separating this logic prevents 'layout invalidation'
 * thx @paul_irish
 * @param {Array} queue
 */
proto._processLayoutQueue = function( queue ) {
  this.updateStagger();
  queue.forEach( function( obj, i ) {
    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant, i );
  }, this );
};

// set stagger from option in milliseconds number
proto.updateStagger = function() {
  var stagger = this.options.stagger;
  if ( stagger === null || stagger === undefined ) {
    this.stagger = 0;
    return;
  }
  this.stagger = getMilliseconds( stagger );
  return this.stagger;
};

/**
 * Sets position of item in DOM
 * @param {Outlayer.Item} item
 * @param {Number} x - horizontal position
 * @param {Number} y - vertical position
 * @param {Boolean} isInstant - disables transitions
 */
proto._positionItem = function( item, x, y, isInstant, i ) {
  if ( isInstant ) {
    // if not transition, just set CSS
    item.goTo( x, y );
  } else {
    item.stagger( i * this.stagger );
    item.moveTo( x, y );
  }
};

/**
 * Any logic you want to do after each layout,
 * i.e. size the container
 */
proto._postLayout = function() {
  this.resizeContainer();
};

proto.resizeContainer = function() {
  var isResizingContainer = this._getOption('resizeContainer');
  if ( !isResizingContainer ) {
    return;
  }
  var size = this._getContainerSize();
  if ( size ) {
    this._setContainerMeasure( size.width, true );
    this._setContainerMeasure( size.height, false );
  }
};

/**
 * Sets width or height of container if returned
 * @returns {Object} size
 *   @param {Number} width
 *   @param {Number} height
 */
proto._getContainerSize = noop;

/**
 * @param {Number} measure - size of width or height
 * @param {Boolean} isWidth
 */
proto._setContainerMeasure = function( measure, isWidth ) {
  if ( measure === undefined ) {
    return;
  }

  var elemSize = this.size;
  // add padding and border width if border box
  if ( elemSize.isBorderBox ) {
    measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight +
      elemSize.borderLeftWidth + elemSize.borderRightWidth :
      elemSize.paddingBottom + elemSize.paddingTop +
      elemSize.borderTopWidth + elemSize.borderBottomWidth;
  }

  measure = Math.max( measure, 0 );
  this.element.style[ isWidth ? 'width' : 'height' ] = measure + 'px';
};

/**
 * emit eventComplete on a collection of items events
 * @param {String} eventName
 * @param {Array} items - Outlayer.Items
 */
proto._emitCompleteOnItems = function( eventName, items ) {
  var _this = this;
  function onComplete() {
    _this.dispatchEvent( eventName + 'Complete', null, [ items ] );
  }

  var count = items.length;
  if ( !items || !count ) {
    onComplete();
    return;
  }

  var doneCount = 0;
  function tick() {
    doneCount++;
    if ( doneCount == count ) {
      onComplete();
    }
  }

  // bind callback
  items.forEach( function( item ) {
    item.once( eventName, tick );
  });
};

/**
 * emits events via EvEmitter and jQuery events
 * @param {String} type - name of event
 * @param {Event} event - original event
 * @param {Array} args - extra arguments
 */
proto.dispatchEvent = function( type, event, args ) {
  // add original event to arguments
  var emitArgs = event ? [ event ].concat( args ) : args;
  this.emitEvent( type, emitArgs );

  if ( jQuery ) {
    // set this.$element
    this.$element = this.$element || jQuery( this.element );
    if ( event ) {
      // create jQuery event
      var $event = jQuery.Event( event );
      $event.type = type;
      this.$element.trigger( $event, args );
    } else {
      // just trigger with type if no event available
      this.$element.trigger( type, args );
    }
  }
};

// -------------------------- ignore & stamps -------------------------- //


/**
 * keep item in collection, but do not lay it out
 * ignored items do not get skipped in layout
 * @param {Element} elem
 */
proto.ignore = function( elem ) {
  var item = this.getItem( elem );
  if ( item ) {
    item.isIgnored = true;
  }
};

/**
 * return item to layout collection
 * @param {Element} elem
 */
proto.unignore = function( elem ) {
  var item = this.getItem( elem );
  if ( item ) {
    delete item.isIgnored;
  }
};

/**
 * adds elements to stamps
 * @param {NodeList, Array, Element, or String} elems
 */
proto.stamp = function( elems ) {
  elems = this._find( elems );
  if ( !elems ) {
    return;
  }

  this.stamps = this.stamps.concat( elems );
  // ignore
  elems.forEach( this.ignore, this );
};

/**
 * removes elements to stamps
 * @param {NodeList, Array, or Element} elems
 */
proto.unstamp = function( elems ) {
  elems = this._find( elems );
  if ( !elems ){
    return;
  }

  elems.forEach( function( elem ) {
    // filter out removed stamp elements
    utils.removeFrom( this.stamps, elem );
    this.unignore( elem );
  }, this );
};

/**
 * finds child elements
 * @param {NodeList, Array, Element, or String} elems
 * @returns {Array} elems
 */
proto._find = function( elems ) {
  if ( !elems ) {
    return;
  }
  // if string, use argument as selector string
  if ( typeof elems == 'string' ) {
    elems = this.element.querySelectorAll( elems );
  }
  elems = utils.makeArray( elems );
  return elems;
};

proto._manageStamps = function() {
  if ( !this.stamps || !this.stamps.length ) {
    return;
  }

  this._getBoundingRect();

  this.stamps.forEach( this._manageStamp, this );
};

// update boundingLeft / Top
proto._getBoundingRect = function() {
  // get bounding rect for container element
  var boundingRect = this.element.getBoundingClientRect();
  var size = this.size;
  this._boundingRect = {
    left: boundingRect.left + size.paddingLeft + size.borderLeftWidth,
    top: boundingRect.top + size.paddingTop + size.borderTopWidth,
    right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ),
    bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth )
  };
};

/**
 * @param {Element} stamp
**/
proto._manageStamp = noop;

/**
 * get x/y position of element relative to container element
 * @param {Element} elem
 * @returns {Object} offset - has left, top, right, bottom
 */
proto._getElementOffset = function( elem ) {
  var boundingRect = elem.getBoundingClientRect();
  var thisRect = this._boundingRect;
  var size = getSize( elem );
  var offset = {
    left: boundingRect.left - thisRect.left - size.marginLeft,
    top: boundingRect.top - thisRect.top - size.marginTop,
    right: thisRect.right - boundingRect.right - size.marginRight,
    bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom
  };
  return offset;
};

// -------------------------- resize -------------------------- //

// enable event handlers for listeners
// i.e. resize -> onresize
proto.handleEvent = utils.handleEvent;

/**
 * Bind layout to window resizing
 */
proto.bindResize = function() {
  window.addEventListener( 'resize', this );
  this.isResizeBound = true;
};

/**
 * Unbind layout to window resizing
 */
proto.unbindResize = function() {
  window.removeEventListener( 'resize', this );
  this.isResizeBound = false;
};

proto.onresize = function() {
  this.resize();
};

utils.debounceMethod( Outlayer, 'onresize', 100 );

proto.resize = function() {
  // don't trigger if size did not change
  // or if resize was unbound. See #9
  if ( !this.isResizeBound || !this.needsResizeLayout() ) {
    return;
  }

  this.layout();
};

/**
 * check if layout is needed post layout
 * @returns Boolean
 */
proto.needsResizeLayout = function() {
  var size = getSize( this.element );
  // check that this.size and size are there
  // IE8 triggers resize on body size change, so they might not be
  var hasSizes = this.size && size;
  return hasSizes && size.innerWidth !== this.size.innerWidth;
};

// -------------------------- methods -------------------------- //

/**
 * add items to Outlayer instance
 * @param {Array or NodeList or Element} elems
 * @returns {Array} items - Outlayer.Items
**/
proto.addItems = function( elems ) {
  var items = this._itemize( elems );
  // add items to collection
  if ( items.length ) {
    this.items = this.items.concat( items );
  }
  return items;
};

/**
 * Layout newly-appended item elements
 * @param {Array or NodeList or Element} elems
 */
proto.appended = function( elems ) {
  var items = this.addItems( elems );
  if ( !items.length ) {
    return;
  }
  // layout and reveal just the new items
  this.layoutItems( items, true );
  this.reveal( items );
};

/**
 * Layout prepended elements
 * @param {Array or NodeList or Element} elems
 */
proto.prepended = function( elems ) {
  var items = this._itemize( elems );
  if ( !items.length ) {
    return;
  }
  // add items to beginning of collection
  var previousItems = this.items.slice(0);
  this.items = items.concat( previousItems );
  // start new layout
  this._resetLayout();
  this._manageStamps();
  // layout new stuff without transition
  this.layoutItems( items, true );
  this.reveal( items );
  // layout previous items
  this.layoutItems( previousItems );
};

/**
 * reveal a collection of items
 * @param {Array of Outlayer.Items} items
 */
proto.reveal = function( items ) {
  this._emitCompleteOnItems( 'reveal', items );
  if ( !items || !items.length ) {
    return;
  }
  var stagger = this.updateStagger();
  items.forEach( function( item, i ) {
    item.stagger( i * stagger );
    item.reveal();
  });
};

/**
 * hide a collection of items
 * @param {Array of Outlayer.Items} items
 */
proto.hide = function( items ) {
  this._emitCompleteOnItems( 'hide', items );
  if ( !items || !items.length ) {
    return;
  }
  var stagger = this.updateStagger();
  items.forEach( function( item, i ) {
    item.stagger( i * stagger );
    item.hide();
  });
};

/**
 * reveal item elements
 * @param {Array}, {Element}, {NodeList} items
 */
proto.revealItemElements = function( elems ) {
  var items = this.getItems( elems );
  this.reveal( items );
};

/**
 * hide item elements
 * @param {Array}, {Element}, {NodeList} items
 */
proto.hideItemElements = function( elems ) {
  var items = this.getItems( elems );
  this.hide( items );
};

/**
 * get Outlayer.Item, given an Element
 * @param {Element} elem
 * @param {Function} callback
 * @returns {Outlayer.Item} item
 */
proto.getItem = function( elem ) {
  // loop through items to get the one that matches
  for ( var i=0; i < this.items.length; i++ ) {
    var item = this.items[i];
    if ( item.element == elem ) {
      // return item
      return item;
    }
  }
};

/**
 * get collection of Outlayer.Items, given Elements
 * @param {Array} elems
 * @returns {Array} items - Outlayer.Items
 */
proto.getItems = function( elems ) {
  elems = utils.makeArray( elems );
  var items = [];
  elems.forEach( function( elem ) {
    var item = this.getItem( elem );
    if ( item ) {
      items.push( item );
    }
  }, this );

  return items;
};

/**
 * remove element(s) from instance and DOM
 * @param {Array or NodeList or Element} elems
 */
proto.remove = function( elems ) {
  var removeItems = this.getItems( elems );

  this._emitCompleteOnItems( 'remove', removeItems );

  // bail if no items to remove
  if ( !removeItems || !removeItems.length ) {
    return;
  }

  removeItems.forEach( function( item ) {
    item.remove();
    // remove item from collection
    utils.removeFrom( this.items, item );
  }, this );
};

// ----- destroy ----- //

// remove and disable Outlayer instance
proto.destroy = function() {
  // clean up dynamic styles
  var style = this.element.style;
  style.height = '';
  style.position = '';
  style.width = '';
  // destroy items
  this.items.forEach( function( item ) {
    item.destroy();
  });

  this.unbindResize();

  var id = this.element.outlayerGUID;
  delete instances[ id ]; // remove reference to instance by id
  delete this.element.outlayerGUID;
  // remove data for jQuery
  if ( jQuery ) {
    jQuery.removeData( this.element, this.constructor.namespace );
  }

};

// -------------------------- data -------------------------- //

/**
 * get Outlayer instance from element
 * @param {Element} elem
 * @returns {Outlayer}
 */
Outlayer.data = function( elem ) {
  elem = utils.getQueryElement( elem );
  var id = elem && elem.outlayerGUID;
  return id && instances[ id ];
};


// -------------------------- create Outlayer class -------------------------- //

/**
 * create a layout class
 * @param {String} namespace
 */
Outlayer.create = function( namespace, options ) {
  // sub-class Outlayer
  var Layout = subclass( Outlayer );
  // apply new options and compatOptions
  Layout.defaults = utils.extend( {}, Outlayer.defaults );
  utils.extend( Layout.defaults, options );
  Layout.compatOptions = utils.extend( {}, Outlayer.compatOptions  );

  Layout.namespace = namespace;

  Layout.data = Outlayer.data;

  // sub-class Item
  Layout.Item = subclass( Item );

  // -------------------------- declarative -------------------------- //

  utils.htmlInit( Layout, namespace );

  // -------------------------- jQuery bridge -------------------------- //

  // make into jQuery plugin
  if ( jQuery && jQuery.bridget ) {
    jQuery.bridget( namespace, Layout );
  }

  return Layout;
};

function subclass( Parent ) {
  function SubClass() {
    Parent.apply( this, arguments );
  }

  SubClass.prototype = Object.create( Parent.prototype );
  SubClass.prototype.constructor = SubClass;

  return SubClass;
}

// ----- helpers ----- //

// how many milliseconds are in each unit
var msUnits = {
  ms: 1,
  s: 1000
};

// munge time-like parameter into millisecond number
// '0.4s' -> 40
function getMilliseconds( time ) {
  if ( typeof time == 'number' ) {
    return time;
  }
  var matches = time.match( /(^\d*\.?\d*)(\w*)/ );
  var num = matches && matches[1];
  var unit = matches && matches[2];
  if ( !num.length ) {
    return 0;
  }
  num = parseFloat( num );
  var mult = msUnits[ unit ] || 1;
  return num * mult;
}

// ----- fin ----- //

// back in global
Outlayer.Item = Item;

return Outlayer;

}));


/***/ }),

/***/ "./node_modules/process/browser.js":
/*!*****************************************!*\
  !*** ./node_modules/process/browser.js ***!
  \*****************************************/
/*! no static exports found */
/***/ (function(module, exports) {

// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;

process.listeners = function (name) { return [] }

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };


/***/ }),

/***/ "./node_modules/pusher-js/dist/web/pusher.js":
/*!***************************************************!*\
  !*** ./node_modules/pusher-js/dist/web/pusher.js ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/*!
 * Pusher JavaScript Library v7.0.2
 * https://pusher.com/
 *
 * Copyright 2020, Pusher
 * Released under the MIT licence.
 */

(function webpackUniversalModuleDefinition(root, factory) {
	if(true)
		module.exports = factory();
	else {}
})(window, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
/******/
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/
/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId]) {
/******/ 			return installedModules[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			i: moduleId,
/******/ 			l: false,
/******/ 			exports: {}
/******/ 		};
/******/
/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ 		// Flag the module as loaded
/******/ 		module.l = true;
/******/
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/
/******/
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;
/******/
/******/ 	// expose the module cache
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/* 0 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";

// Copyright (C) 2016 Dmitry Chestnykh
// MIT License. See LICENSE file for details.
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Package base64 implements Base64 encoding and decoding.
 */
// Invalid character used in decoding to indicate
// that the character to decode is out of range of
// alphabet and cannot be decoded.
var INVALID_BYTE = 256;
/**
 * Implements standard Base64 encoding.
 *
 * Operates in constant time.
 */
var Coder = /** @class */ (function () {
    // TODO(dchest): methods to encode chunk-by-chunk.
    function Coder(_paddingCharacter) {
        if (_paddingCharacter === void 0) { _paddingCharacter = "="; }
        this._paddingCharacter = _paddingCharacter;
    }
    Coder.prototype.encodedLength = function (length) {
        if (!this._paddingCharacter) {
            return (length * 8 + 5) / 6 | 0;
        }
        return (length + 2) / 3 * 4 | 0;
    };
    Coder.prototype.encode = function (data) {
        var out = "";
        var i = 0;
        for (; i < data.length - 2; i += 3) {
            var c = (data[i] << 16) | (data[i + 1] << 8) | (data[i + 2]);
            out += this._encodeByte((c >>> 3 * 6) & 63);
            out += this._encodeByte((c >>> 2 * 6) & 63);
            out += this._encodeByte((c >>> 1 * 6) & 63);
            out += this._encodeByte((c >>> 0 * 6) & 63);
        }
        var left = data.length - i;
        if (left > 0) {
            var c = (data[i] << 16) | (left === 2 ? data[i + 1] << 8 : 0);
            out += this._encodeByte((c >>> 3 * 6) & 63);
            out += this._encodeByte((c >>> 2 * 6) & 63);
            if (left === 2) {
                out += this._encodeByte((c >>> 1 * 6) & 63);
            }
            else {
                out += this._paddingCharacter || "";
            }
            out += this._paddingCharacter || "";
        }
        return out;
    };
    Coder.prototype.maxDecodedLength = function (length) {
        if (!this._paddingCharacter) {
            return (length * 6 + 7) / 8 | 0;
        }
        return length / 4 * 3 | 0;
    };
    Coder.prototype.decodedLength = function (s) {
        return this.maxDecodedLength(s.length - this._getPaddingLength(s));
    };
    Coder.prototype.decode = function (s) {
        if (s.length === 0) {
            return new Uint8Array(0);
        }
        var paddingLength = this._getPaddingLength(s);
        var length = s.length - paddingLength;
        var out = new Uint8Array(this.maxDecodedLength(length));
        var op = 0;
        var i = 0;
        var haveBad = 0;
        var v0 = 0, v1 = 0, v2 = 0, v3 = 0;
        for (; i < length - 4; i += 4) {
            v0 = this._decodeChar(s.charCodeAt(i + 0));
            v1 = this._decodeChar(s.charCodeAt(i + 1));
            v2 = this._decodeChar(s.charCodeAt(i + 2));
            v3 = this._decodeChar(s.charCodeAt(i + 3));
            out[op++] = (v0 << 2) | (v1 >>> 4);
            out[op++] = (v1 << 4) | (v2 >>> 2);
            out[op++] = (v2 << 6) | v3;
            haveBad |= v0 & INVALID_BYTE;
            haveBad |= v1 & INVALID_BYTE;
            haveBad |= v2 & INVALID_BYTE;
            haveBad |= v3 & INVALID_BYTE;
        }
        if (i < length - 1) {
            v0 = this._decodeChar(s.charCodeAt(i));
            v1 = this._decodeChar(s.charCodeAt(i + 1));
            out[op++] = (v0 << 2) | (v1 >>> 4);
            haveBad |= v0 & INVALID_BYTE;
            haveBad |= v1 & INVALID_BYTE;
        }
        if (i < length - 2) {
            v2 = this._decodeChar(s.charCodeAt(i + 2));
            out[op++] = (v1 << 4) | (v2 >>> 2);
            haveBad |= v2 & INVALID_BYTE;
        }
        if (i < length - 3) {
            v3 = this._decodeChar(s.charCodeAt(i + 3));
            out[op++] = (v2 << 6) | v3;
            haveBad |= v3 & INVALID_BYTE;
        }
        if (haveBad !== 0) {
            throw new Error("Base64Coder: incorrect characters for decoding");
        }
        return out;
    };
    // Standard encoding have the following encoded/decoded ranges,
    // which we need to convert between.
    //
    // ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789  +   /
    // Index:   0 - 25                    26 - 51              52 - 61   62  63
    // ASCII:  65 - 90                    97 - 122             48 - 57   43  47
    //
    // Encode 6 bits in b into a new character.
    Coder.prototype._encodeByte = function (b) {
        // Encoding uses constant time operations as follows:
        //
        // 1. Define comparison of A with B using (A - B) >>> 8:
        //          if A > B, then result is positive integer
        //          if A <= B, then result is 0
        //
        // 2. Define selection of C or 0 using bitwise AND: X & C:
        //          if X == 0, then result is 0
        //          if X != 0, then result is C
        //
        // 3. Start with the smallest comparison (b >= 0), which is always
        //    true, so set the result to the starting ASCII value (65).
        //
        // 4. Continue comparing b to higher ASCII values, and selecting
        //    zero if comparison isn't true, otherwise selecting a value
        //    to add to result, which:
        //
        //          a) undoes the previous addition
        //          b) provides new value to add
        //
        var result = b;
        // b >= 0
        result += 65;
        // b > 25
        result += ((25 - b) >>> 8) & ((0 - 65) - 26 + 97);
        // b > 51
        result += ((51 - b) >>> 8) & ((26 - 97) - 52 + 48);
        // b > 61
        result += ((61 - b) >>> 8) & ((52 - 48) - 62 + 43);
        // b > 62
        result += ((62 - b) >>> 8) & ((62 - 43) - 63 + 47);
        return String.fromCharCode(result);
    };
    // Decode a character code into a byte.
    // Must return 256 if character is out of alphabet range.
    Coder.prototype._decodeChar = function (c) {
        // Decoding works similar to encoding: using the same comparison
        // function, but now it works on ranges: result is always incremented
        // by value, but this value becomes zero if the range is not
        // satisfied.
        //
        // Decoding starts with invalid value, 256, which is then
        // subtracted when the range is satisfied. If none of the ranges
        // apply, the function returns 256, which is then checked by
        // the caller to throw error.
        var result = INVALID_BYTE; // start with invalid character
        // c == 43 (c > 42 and c < 44)
        result += (((42 - c) & (c - 44)) >>> 8) & (-INVALID_BYTE + c - 43 + 62);
        // c == 47 (c > 46 and c < 48)
        result += (((46 - c) & (c - 48)) >>> 8) & (-INVALID_BYTE + c - 47 + 63);
        // c > 47 and c < 58
        result += (((47 - c) & (c - 58)) >>> 8) & (-INVALID_BYTE + c - 48 + 52);
        // c > 64 and c < 91
        result += (((64 - c) & (c - 91)) >>> 8) & (-INVALID_BYTE + c - 65 + 0);
        // c > 96 and c < 123
        result += (((96 - c) & (c - 123)) >>> 8) & (-INVALID_BYTE + c - 97 + 26);
        return result;
    };
    Coder.prototype._getPaddingLength = function (s) {
        var paddingLength = 0;
        if (this._paddingCharacter) {
            for (var i = s.length - 1; i >= 0; i--) {
                if (s[i] !== this._paddingCharacter) {
                    break;
                }
                paddingLength++;
            }
            if (s.length < 4 || paddingLength > 2) {
                throw new Error("Base64Coder: incorrect padding");
            }
        }
        return paddingLength;
    };
    return Coder;
}());
exports.Coder = Coder;
var stdCoder = new Coder();
function encode(data) {
    return stdCoder.encode(data);
}
exports.encode = encode;
function decode(s) {
    return stdCoder.decode(s);
}
exports.decode = decode;
/**
 * Implements URL-safe Base64 encoding.
 * (Same as Base64, but '+' is replaced with '-', and '/' with '_').
 *
 * Operates in constant time.
 */
var URLSafeCoder = /** @class */ (function (_super) {
    __extends(URLSafeCoder, _super);
    function URLSafeCoder() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    // URL-safe encoding have the following encoded/decoded ranges:
    //
    // ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789  -   _
    // Index:   0 - 25                    26 - 51              52 - 61   62  63
    // ASCII:  65 - 90                    97 - 122             48 - 57   45  95
    //
    URLSafeCoder.prototype._encodeByte = function (b) {
        var result = b;
        // b >= 0
        result += 65;
        // b > 25
        result += ((25 - b) >>> 8) & ((0 - 65) - 26 + 97);
        // b > 51
        result += ((51 - b) >>> 8) & ((26 - 97) - 52 + 48);
        // b > 61
        result += ((61 - b) >>> 8) & ((52 - 48) - 62 + 45);
        // b > 62
        result += ((62 - b) >>> 8) & ((62 - 45) - 63 + 95);
        return String.fromCharCode(result);
    };
    URLSafeCoder.prototype._decodeChar = function (c) {
        var result = INVALID_BYTE;
        // c == 45 (c > 44 and c < 46)
        result += (((44 - c) & (c - 46)) >>> 8) & (-INVALID_BYTE + c - 45 + 62);
        // c == 95 (c > 94 and c < 96)
        result += (((94 - c) & (c - 96)) >>> 8) & (-INVALID_BYTE + c - 95 + 63);
        // c > 47 and c < 58
        result += (((47 - c) & (c - 58)) >>> 8) & (-INVALID_BYTE + c - 48 + 52);
        // c > 64 and c < 91
        result += (((64 - c) & (c - 91)) >>> 8) & (-INVALID_BYTE + c - 65 + 0);
        // c > 96 and c < 123
        result += (((96 - c) & (c - 123)) >>> 8) & (-INVALID_BYTE + c - 97 + 26);
        return result;
    };
    return URLSafeCoder;
}(Coder));
exports.URLSafeCoder = URLSafeCoder;
var urlSafeCoder = new URLSafeCoder();
function encodeURLSafe(data) {
    return urlSafeCoder.encode(data);
}
exports.encodeURLSafe = encodeURLSafe;
function decodeURLSafe(s) {
    return urlSafeCoder.decode(s);
}
exports.decodeURLSafe = decodeURLSafe;
exports.encodedLength = function (length) {
    return stdCoder.encodedLength(length);
};
exports.maxDecodedLength = function (length) {
    return stdCoder.maxDecodedLength(length);
};
exports.decodedLength = function (s) {
    return stdCoder.decodedLength(s);
};
//# sourceMappingURL=base64.js.map

/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";

// Copyright (C) 2016 Dmitry Chestnykh
// MIT License. See LICENSE file for details.
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Package utf8 implements UTF-8 encoding and decoding.
 */
var INVALID_UTF16 = "utf8: invalid string";
var INVALID_UTF8 = "utf8: invalid source encoding";
/**
 * Encodes the given string into UTF-8 byte array.
 * Throws if the source string has invalid UTF-16 encoding.
 */
function encode(s) {
    // Calculate result length and allocate output array.
    // encodedLength() also validates string and throws errors,
    // so we don't need repeat validation here.
    var arr = new Uint8Array(encodedLength(s));
    var pos = 0;
    for (var i = 0; i < s.length; i++) {
        var c = s.charCodeAt(i);
        if (c < 0x80) {
            arr[pos++] = c;
        }
        else if (c < 0x800) {
            arr[pos++] = 0xc0 | c >> 6;
            arr[pos++] = 0x80 | c & 0x3f;
        }
        else if (c < 0xd800) {
            arr[pos++] = 0xe0 | c >> 12;
            arr[pos++] = 0x80 | (c >> 6) & 0x3f;
            arr[pos++] = 0x80 | c & 0x3f;
        }
        else {
            i++; // get one more character
            c = (c & 0x3ff) << 10;
            c |= s.charCodeAt(i) & 0x3ff;
            c += 0x10000;
            arr[pos++] = 0xf0 | c >> 18;
            arr[pos++] = 0x80 | (c >> 12) & 0x3f;
            arr[pos++] = 0x80 | (c >> 6) & 0x3f;
            arr[pos++] = 0x80 | c & 0x3f;
        }
    }
    return arr;
}
exports.encode = encode;
/**
 * Returns the number of bytes required to encode the given string into UTF-8.
 * Throws if the source string has invalid UTF-16 encoding.
 */
function encodedLength(s) {
    var result = 0;
    for (var i = 0; i < s.length; i++) {
        var c = s.charCodeAt(i);
        if (c < 0x80) {
            result += 1;
        }
        else if (c < 0x800) {
            result += 2;
        }
        else if (c < 0xd800) {
            result += 3;
        }
        else if (c <= 0xdfff) {
            if (i >= s.length - 1) {
                throw new Error(INVALID_UTF16);
            }
            i++; // "eat" next character
            result += 4;
        }
        else {
            throw new Error(INVALID_UTF16);
        }
    }
    return result;
}
exports.encodedLength = encodedLength;
/**
 * Decodes the given byte array from UTF-8 into a string.
 * Throws if encoding is invalid.
 */
function decode(arr) {
    var chars = [];
    for (var i = 0; i < arr.length; i++) {
        var b = arr[i];
        if (b & 0x80) {
            var min = void 0;
            if (b < 0xe0) {
                // Need 1 more byte.
                if (i >= arr.length) {
                    throw new Error(INVALID_UTF8);
                }
                var n1 = arr[++i];
                if ((n1 & 0xc0) !== 0x80) {
                    throw new Error(INVALID_UTF8);
                }
                b = (b & 0x1f) << 6 | (n1 & 0x3f);
                min = 0x80;
            }
            else if (b < 0xf0) {
                // Need 2 more bytes.
                if (i >= arr.length - 1) {
                    throw new Error(INVALID_UTF8);
                }
                var n1 = arr[++i];
                var n2 = arr[++i];
                if ((n1 & 0xc0) !== 0x80 || (n2 & 0xc0) !== 0x80) {
                    throw new Error(INVALID_UTF8);
                }
                b = (b & 0x0f) << 12 | (n1 & 0x3f) << 6 | (n2 & 0x3f);
                min = 0x800;
            }
            else if (b < 0xf8) {
                // Need 3 more bytes.
                if (i >= arr.length - 2) {
                    throw new Error(INVALID_UTF8);
                }
                var n1 = arr[++i];
                var n2 = arr[++i];
                var n3 = arr[++i];
                if ((n1 & 0xc0) !== 0x80 || (n2 & 0xc0) !== 0x80 || (n3 & 0xc0) !== 0x80) {
                    throw new Error(INVALID_UTF8);
                }
                b = (b & 0x0f) << 18 | (n1 & 0x3f) << 12 | (n2 & 0x3f) << 6 | (n3 & 0x3f);
                min = 0x10000;
            }
            else {
                throw new Error(INVALID_UTF8);
            }
            if (b < min || (b >= 0xd800 && b <= 0xdfff)) {
                throw new Error(INVALID_UTF8);
            }
            if (b >= 0x10000) {
                // Surrogate pair.
                if (b > 0x10ffff) {
                    throw new Error(INVALID_UTF8);
                }
                b -= 0x10000;
                chars.push(String.fromCharCode(0xd800 | (b >> 10)));
                b = 0xdc00 | (b & 0x3ff);
            }
        }
        chars.push(String.fromCharCode(b));
    }
    return chars.join("");
}
exports.decode = decode;
//# sourceMappingURL=utf8.js.map

/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {

// required so we don't have to do require('pusher').default etc.
module.exports = __webpack_require__(3).default;


/***/ }),
/* 3 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);

// CONCATENATED MODULE: ./src/runtimes/web/dom/script_receiver_factory.ts
var ScriptReceiverFactory = (function () {
    function ScriptReceiverFactory(prefix, name) {
        this.lastId = 0;
        this.prefix = prefix;
        this.name = name;
    }
    ScriptReceiverFactory.prototype.create = function (callback) {
        this.lastId++;
        var number = this.lastId;
        var id = this.prefix + number;
        var name = this.name + '[' + number + ']';
        var called = false;
        var callbackWrapper = function () {
            if (!called) {
                callback.apply(null, arguments);
                called = true;
            }
        };
        this[number] = callbackWrapper;
        return { number: number, id: id, name: name, callback: callbackWrapper };
    };
    ScriptReceiverFactory.prototype.remove = function (receiver) {
        delete this[receiver.number];
    };
    return ScriptReceiverFactory;
}());

var ScriptReceivers = new ScriptReceiverFactory('_pusher_script_', 'Pusher.ScriptReceivers');

// CONCATENATED MODULE: ./src/core/defaults.ts
var Defaults = {
    VERSION: "7.0.2",
    PROTOCOL: 7,
    wsPort: 80,
    wssPort: 443,
    wsPath: '',
    httpHost: 'sockjs.pusher.com',
    httpPort: 80,
    httpsPort: 443,
    httpPath: '/pusher',
    stats_host: 'stats.pusher.com',
    authEndpoint: '/pusher/auth',
    authTransport: 'ajax',
    activityTimeout: 120000,
    pongTimeout: 30000,
    unavailableTimeout: 10000,
    cluster: 'mt1',
    cdn_http: "http://js.pusher.com",
    cdn_https: "https://js.pusher.com",
    dependency_suffix: ""
};
/* harmony default export */ var defaults = (Defaults);

// CONCATENATED MODULE: ./src/runtimes/web/dom/dependency_loader.ts


var dependency_loader_DependencyLoader = (function () {
    function DependencyLoader(options) {
        this.options = options;
        this.receivers = options.receivers || ScriptReceivers;
        this.loading = {};
    }
    DependencyLoader.prototype.load = function (name, options, callback) {
        var self = this;
        if (self.loading[name] && self.loading[name].length > 0) {
            self.loading[name].push(callback);
        }
        else {
            self.loading[name] = [callback];
            var request = runtime.createScriptRequest(self.getPath(name, options));
            var receiver = self.receivers.create(function (error) {
                self.receivers.remove(receiver);
                if (self.loading[name]) {
                    var callbacks = self.loading[name];
                    delete self.loading[name];
                    var successCallback = function (wasSuccessful) {
                        if (!wasSuccessful) {
                            request.cleanup();
                        }
                    };
                    for (var i = 0; i < callbacks.length; i++) {
                        callbacks[i](error, successCallback);
                    }
                }
            });
            request.send(receiver);
        }
    };
    DependencyLoader.prototype.getRoot = function (options) {
        var cdn;
        var protocol = runtime.getDocument().location.protocol;
        if ((options && options.useTLS) || protocol === 'https:') {
            cdn = this.options.cdn_https;
        }
        else {
            cdn = this.options.cdn_http;
        }
        return cdn.replace(/\/*$/, '') + '/' + this.options.version;
    };
    DependencyLoader.prototype.getPath = function (name, options) {
        return this.getRoot(options) + '/' + name + this.options.suffix + '.js';
    };
    return DependencyLoader;
}());
/* harmony default export */ var dependency_loader = (dependency_loader_DependencyLoader);

// CONCATENATED MODULE: ./src/runtimes/web/dom/dependencies.ts



var DependenciesReceivers = new ScriptReceiverFactory('_pusher_dependencies', 'Pusher.DependenciesReceivers');
var Dependencies = new dependency_loader({
    cdn_http: defaults.cdn_http,
    cdn_https: defaults.cdn_https,
    version: defaults.VERSION,
    suffix: defaults.dependency_suffix,
    receivers: DependenciesReceivers
});

// CONCATENATED MODULE: ./src/core/utils/url_store.ts
var urlStore = {
    baseUrl: 'https://pusher.com',
    urls: {
        authenticationEndpoint: {
            path: '/docs/authenticating_users'
        },
        javascriptQuickStart: {
            path: '/docs/javascript_quick_start'
        },
        triggeringClientEvents: {
            path: '/docs/client_api_guide/client_events#trigger-events'
        },
        encryptedChannelSupport: {
            fullUrl: 'https://github.com/pusher/pusher-js/tree/cc491015371a4bde5743d1c87a0fbac0feb53195#encrypted-channel-support'
        }
    }
};
var buildLogSuffix = function (key) {
    var urlPrefix = 'See:';
    var urlObj = urlStore.urls[key];
    if (!urlObj)
        return '';
    var url;
    if (urlObj.fullUrl) {
        url = urlObj.fullUrl;
    }
    else if (urlObj.path) {
        url = urlStore.baseUrl + urlObj.path;
    }
    if (!url)
        return '';
    return urlPrefix + " " + url;
};
/* harmony default export */ var url_store = ({ buildLogSuffix: buildLogSuffix });

// CONCATENATED MODULE: ./src/core/errors.ts
var __extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var BadEventName = (function (_super) {
    __extends(BadEventName, _super);
    function BadEventName(msg) {
        var _newTarget = this.constructor;
        var _this = _super.call(this, msg) || this;
        Object.setPrototypeOf(_this, _newTarget.prototype);
        return _this;
    }
    return BadEventName;
}(Error));

var RequestTimedOut = (function (_super) {
    __extends(RequestTimedOut, _super);
    function RequestTimedOut(msg) {
        var _newTarget = this.constructor;
        var _this = _super.call(this, msg) || this;
        Object.setPrototypeOf(_this, _newTarget.prototype);
        return _this;
    }
    return RequestTimedOut;
}(Error));

var TransportPriorityTooLow = (function (_super) {
    __extends(TransportPriorityTooLow, _super);
    function TransportPriorityTooLow(msg) {
        var _newTarget = this.constructor;
        var _this = _super.call(this, msg) || this;
        Object.setPrototypeOf(_this, _newTarget.prototype);
        return _this;
    }
    return TransportPriorityTooLow;
}(Error));

var TransportClosed = (function (_super) {
    __extends(TransportClosed, _super);
    function TransportClosed(msg) {
        var _newTarget = this.constructor;
        var _this = _super.call(this, msg) || this;
        Object.setPrototypeOf(_this, _newTarget.prototype);
        return _this;
    }
    return TransportClosed;
}(Error));

var UnsupportedFeature = (function (_super) {
    __extends(UnsupportedFeature, _super);
    function UnsupportedFeature(msg) {
        var _newTarget = this.constructor;
        var _this = _super.call(this, msg) || this;
        Object.setPrototypeOf(_this, _newTarget.prototype);
        return _this;
    }
    return UnsupportedFeature;
}(Error));

var UnsupportedTransport = (function (_super) {
    __extends(UnsupportedTransport, _super);
    function UnsupportedTransport(msg) {
        var _newTarget = this.constructor;
        var _this = _super.call(this, msg) || this;
        Object.setPrototypeOf(_this, _newTarget.prototype);
        return _this;
    }
    return UnsupportedTransport;
}(Error));

var UnsupportedStrategy = (function (_super) {
    __extends(UnsupportedStrategy, _super);
    function UnsupportedStrategy(msg) {
        var _newTarget = this.constructor;
        var _this = _super.call(this, msg) || this;
        Object.setPrototypeOf(_this, _newTarget.prototype);
        return _this;
    }
    return UnsupportedStrategy;
}(Error));

var HTTPAuthError = (function (_super) {
    __extends(HTTPAuthError, _super);
    function HTTPAuthError(status, msg) {
        var _newTarget = this.constructor;
        var _this = _super.call(this, msg) || this;
        _this.status = status;
        Object.setPrototypeOf(_this, _newTarget.prototype);
        return _this;
    }
    return HTTPAuthError;
}(Error));


// CONCATENATED MODULE: ./src/runtimes/isomorphic/auth/xhr_auth.ts



var ajax = function (context, socketId, callback) {
    var self = this, xhr;
    xhr = runtime.createXHR();
    xhr.open('POST', self.options.authEndpoint, true);
    xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
    for (var headerName in this.authOptions.headers) {
        xhr.setRequestHeader(headerName, this.authOptions.headers[headerName]);
    }
    xhr.onreadystatechange = function () {
        if (xhr.readyState === 4) {
            if (xhr.status === 200) {
                var data = void 0;
                var parsed = false;
                try {
                    data = JSON.parse(xhr.responseText);
                    parsed = true;
                }
                catch (e) {
                    callback(new HTTPAuthError(200, 'JSON returned from auth endpoint was invalid, yet status code was 200. Data was: ' +
                        xhr.responseText), { auth: '' });
                }
                if (parsed) {
                    callback(null, data);
                }
            }
            else {
                var suffix = url_store.buildLogSuffix('authenticationEndpoint');
                callback(new HTTPAuthError(xhr.status, 'Unable to retrieve auth string from auth endpoint - ' +
                    ("received status: " + xhr.status + " from " + self.options.authEndpoint + ". ") +
                    ("Clients must be authenticated to join private or presence channels. " + suffix)), { auth: '' });
            }
        }
    };
    xhr.send(this.composeQuery(socketId));
    return xhr;
};
/* harmony default export */ var xhr_auth = (ajax);

// CONCATENATED MODULE: ./src/core/base64.ts
function encode(s) {
    return btoa(utob(s));
}
var fromCharCode = String.fromCharCode;
var b64chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
var b64tab = {};
for (var base64_i = 0, l = b64chars.length; base64_i < l; base64_i++) {
    b64tab[b64chars.charAt(base64_i)] = base64_i;
}
var cb_utob = function (c) {
    var cc = c.charCodeAt(0);
    return cc < 0x80
        ? c
        : cc < 0x800
            ? fromCharCode(0xc0 | (cc >>> 6)) + fromCharCode(0x80 | (cc & 0x3f))
            : fromCharCode(0xe0 | ((cc >>> 12) & 0x0f)) +
                fromCharCode(0x80 | ((cc >>> 6) & 0x3f)) +
                fromCharCode(0x80 | (cc & 0x3f));
};
var utob = function (u) {
    return u.replace(/[^\x00-\x7F]/g, cb_utob);
};
var cb_encode = function (ccc) {
    var padlen = [0, 2, 1][ccc.length % 3];
    var ord = (ccc.charCodeAt(0) << 16) |
        ((ccc.length > 1 ? ccc.charCodeAt(1) : 0) << 8) |
        (ccc.length > 2 ? ccc.charCodeAt(2) : 0);
    var chars = [
        b64chars.charAt(ord >>> 18),
        b64chars.charAt((ord >>> 12) & 63),
        padlen >= 2 ? '=' : b64chars.charAt((ord >>> 6) & 63),
        padlen >= 1 ? '=' : b64chars.charAt(ord & 63)
    ];
    return chars.join('');
};
var btoa = window.btoa ||
    function (b) {
        return b.replace(/[\s\S]{1,3}/g, cb_encode);
    };

// CONCATENATED MODULE: ./src/core/utils/timers/abstract_timer.ts
var Timer = (function () {
    function Timer(set, clear, delay, callback) {
        var _this = this;
        this.clear = clear;
        this.timer = set(function () {
            if (_this.timer) {
                _this.timer = callback(_this.timer);
            }
        }, delay);
    }
    Timer.prototype.isRunning = function () {
        return this.timer !== null;
    };
    Timer.prototype.ensureAborted = function () {
        if (this.timer) {
            this.clear(this.timer);
            this.timer = null;
        }
    };
    return Timer;
}());
/* harmony default export */ var abstract_timer = (Timer);

// CONCATENATED MODULE: ./src/core/utils/timers/index.ts
var timers_extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();

function timers_clearTimeout(timer) {
    window.clearTimeout(timer);
}
function timers_clearInterval(timer) {
    window.clearInterval(timer);
}
var OneOffTimer = (function (_super) {
    timers_extends(OneOffTimer, _super);
    function OneOffTimer(delay, callback) {
        return _super.call(this, setTimeout, timers_clearTimeout, delay, function (timer) {
            callback();
            return null;
        }) || this;
    }
    return OneOffTimer;
}(abstract_timer));

var PeriodicTimer = (function (_super) {
    timers_extends(PeriodicTimer, _super);
    function PeriodicTimer(delay, callback) {
        return _super.call(this, setInterval, timers_clearInterval, delay, function (timer) {
            callback();
            return timer;
        }) || this;
    }
    return PeriodicTimer;
}(abstract_timer));


// CONCATENATED MODULE: ./src/core/util.ts

var Util = {
    now: function () {
        if (Date.now) {
            return Date.now();
        }
        else {
            return new Date().valueOf();
        }
    },
    defer: function (callback) {
        return new OneOffTimer(0, callback);
    },
    method: function (name) {
        var args = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            args[_i - 1] = arguments[_i];
        }
        var boundArguments = Array.prototype.slice.call(arguments, 1);
        return function (object) {
            return object[name].apply(object, boundArguments.concat(arguments));
        };
    }
};
/* harmony default export */ var util = (Util);

// CONCATENATED MODULE: ./src/core/utils/collections.ts


function extend(target) {
    var sources = [];
    for (var _i = 1; _i < arguments.length; _i++) {
        sources[_i - 1] = arguments[_i];
    }
    for (var i = 0; i < sources.length; i++) {
        var extensions = sources[i];
        for (var property in extensions) {
            if (extensions[property] &&
                extensions[property].constructor &&
                extensions[property].constructor === Object) {
                target[property] = extend(target[property] || {}, extensions[property]);
            }
            else {
                target[property] = extensions[property];
            }
        }
    }
    return target;
}
function stringify() {
    var m = ['Pusher'];
    for (var i = 0; i < arguments.length; i++) {
        if (typeof arguments[i] === 'string') {
            m.push(arguments[i]);
        }
        else {
            m.push(safeJSONStringify(arguments[i]));
        }
    }
    return m.join(' : ');
}
function arrayIndexOf(array, item) {
    var nativeIndexOf = Array.prototype.indexOf;
    if (array === null) {
        return -1;
    }
    if (nativeIndexOf && array.indexOf === nativeIndexOf) {
        return array.indexOf(item);
    }
    for (var i = 0, l = array.length; i < l; i++) {
        if (array[i] === item) {
            return i;
        }
    }
    return -1;
}
function objectApply(object, f) {
    for (var key in object) {
        if (Object.prototype.hasOwnProperty.call(object, key)) {
            f(object[key], key, object);
        }
    }
}
function keys(object) {
    var keys = [];
    objectApply(object, function (_, key) {
        keys.push(key);
    });
    return keys;
}
function values(object) {
    var values = [];
    objectApply(object, function (value) {
        values.push(value);
    });
    return values;
}
function apply(array, f, context) {
    for (var i = 0; i < array.length; i++) {
        f.call(context || window, array[i], i, array);
    }
}
function map(array, f) {
    var result = [];
    for (var i = 0; i < array.length; i++) {
        result.push(f(array[i], i, array, result));
    }
    return result;
}
function mapObject(object, f) {
    var result = {};
    objectApply(object, function (value, key) {
        result[key] = f(value);
    });
    return result;
}
function filter(array, test) {
    test =
        test ||
            function (value) {
                return !!value;
            };
    var result = [];
    for (var i = 0; i < array.length; i++) {
        if (test(array[i], i, array, result)) {
            result.push(array[i]);
        }
    }
    return result;
}
function filterObject(object, test) {
    var result = {};
    objectApply(object, function (value, key) {
        if ((test && test(value, key, object, result)) || Boolean(value)) {
            result[key] = value;
        }
    });
    return result;
}
function flatten(object) {
    var result = [];
    objectApply(object, function (value, key) {
        result.push([key, value]);
    });
    return result;
}
function any(array, test) {
    for (var i = 0; i < array.length; i++) {
        if (test(array[i], i, array)) {
            return true;
        }
    }
    return false;
}
function collections_all(array, test) {
    for (var i = 0; i < array.length; i++) {
        if (!test(array[i], i, array)) {
            return false;
        }
    }
    return true;
}
function encodeParamsObject(data) {
    return mapObject(data, function (value) {
        if (typeof value === 'object') {
            value = safeJSONStringify(value);
        }
        return encodeURIComponent(encode(value.toString()));
    });
}
function buildQueryString(data) {
    var params = filterObject(data, function (value) {
        return value !== undefined;
    });
    var query = map(flatten(encodeParamsObject(params)), util.method('join', '=')).join('&');
    return query;
}
function decycleObject(object) {
    var objects = [], paths = [];
    return (function derez(value, path) {
        var i, name, nu;
        switch (typeof value) {
            case 'object':
                if (!value) {
                    return null;
                }
                for (i = 0; i < objects.length; i += 1) {
                    if (objects[i] === value) {
                        return { $ref: paths[i] };
                    }
                }
                objects.push(value);
                paths.push(path);
                if (Object.prototype.toString.apply(value) === '[object Array]') {
                    nu = [];
                    for (i = 0; i < value.length; i += 1) {
                        nu[i] = derez(value[i], path + '[' + i + ']');
                    }
                }
                else {
                    nu = {};
                    for (name in value) {
                        if (Object.prototype.hasOwnProperty.call(value, name)) {
                            nu[name] = derez(value[name], path + '[' + JSON.stringify(name) + ']');
                        }
                    }
                }
                return nu;
            case 'number':
            case 'string':
            case 'boolean':
                return value;
        }
    })(object, '$');
}
function safeJSONStringify(source) {
    try {
        return JSON.stringify(source);
    }
    catch (e) {
        return JSON.stringify(decycleObject(source));
    }
}

// CONCATENATED MODULE: ./src/core/logger.ts


var logger_Logger = (function () {
    function Logger() {
        this.globalLog = function (message) {
            if (window.console && window.console.log) {
                window.console.log(message);
            }
        };
    }
    Logger.prototype.debug = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        this.log(this.globalLog, args);
    };
    Logger.prototype.warn = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        this.log(this.globalLogWarn, args);
    };
    Logger.prototype.error = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        this.log(this.globalLogError, args);
    };
    Logger.prototype.globalLogWarn = function (message) {
        if (window.console && window.console.warn) {
            window.console.warn(message);
        }
        else {
            this.globalLog(message);
        }
    };
    Logger.prototype.globalLogError = function (message) {
        if (window.console && window.console.error) {
            window.console.error(message);
        }
        else {
            this.globalLogWarn(message);
        }
    };
    Logger.prototype.log = function (defaultLoggingFunction) {
        var args = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            args[_i - 1] = arguments[_i];
        }
        var message = stringify.apply(this, arguments);
        if (core_pusher.log) {
            core_pusher.log(message);
        }
        else if (core_pusher.logToConsole) {
            var log = defaultLoggingFunction.bind(this);
            log(message);
        }
    };
    return Logger;
}());
/* harmony default export */ var logger = (new logger_Logger());

// CONCATENATED MODULE: ./src/runtimes/web/auth/jsonp_auth.ts

var jsonp = function (context, socketId, callback) {
    if (this.authOptions.headers !== undefined) {
        logger.warn('To send headers with the auth request, you must use AJAX, rather than JSONP.');
    }
    var callbackName = context.nextAuthCallbackID.toString();
    context.nextAuthCallbackID++;
    var document = context.getDocument();
    var script = document.createElement('script');
    context.auth_callbacks[callbackName] = function (data) {
        callback(null, data);
    };
    var callback_name = "Pusher.auth_callbacks['" + callbackName + "']";
    script.src =
        this.options.authEndpoint +
            '?callback=' +
            encodeURIComponent(callback_name) +
            '&' +
            this.composeQuery(socketId);
    var head = document.getElementsByTagName('head')[0] || document.documentElement;
    head.insertBefore(script, head.firstChild);
};
/* harmony default export */ var jsonp_auth = (jsonp);

// CONCATENATED MODULE: ./src/runtimes/web/dom/script_request.ts
var ScriptRequest = (function () {
    function ScriptRequest(src) {
        this.src = src;
    }
    ScriptRequest.prototype.send = function (receiver) {
        var self = this;
        var errorString = 'Error loading ' + self.src;
        self.script = document.createElement('script');
        self.script.id = receiver.id;
        self.script.src = self.src;
        self.script.type = 'text/javascript';
        self.script.charset = 'UTF-8';
        if (self.script.addEventListener) {
            self.script.onerror = function () {
                receiver.callback(errorString);
            };
            self.script.onload = function () {
                receiver.callback(null);
            };
        }
        else {
            self.script.onreadystatechange = function () {
                if (self.script.readyState === 'loaded' ||
                    self.script.readyState === 'complete') {
                    receiver.callback(null);
                }
            };
        }
        if (self.script.async === undefined &&
            document.attachEvent &&
            /opera/i.test(navigator.userAgent)) {
            self.errorScript = document.createElement('script');
            self.errorScript.id = receiver.id + '_error';
            self.errorScript.text = receiver.name + "('" + errorString + "');";
            self.script.async = self.errorScript.async = false;
        }
        else {
            self.script.async = true;
        }
        var head = document.getElementsByTagName('head')[0];
        head.insertBefore(self.script, head.firstChild);
        if (self.errorScript) {
            head.insertBefore(self.errorScript, self.script.nextSibling);
        }
    };
    ScriptRequest.prototype.cleanup = function () {
        if (this.script) {
            this.script.onload = this.script.onerror = null;
            this.script.onreadystatechange = null;
        }
        if (this.script && this.script.parentNode) {
            this.script.parentNode.removeChild(this.script);
        }
        if (this.errorScript && this.errorScript.parentNode) {
            this.errorScript.parentNode.removeChild(this.errorScript);
        }
        this.script = null;
        this.errorScript = null;
    };
    return ScriptRequest;
}());
/* harmony default export */ var script_request = (ScriptRequest);

// CONCATENATED MODULE: ./src/runtimes/web/dom/jsonp_request.ts


var jsonp_request_JSONPRequest = (function () {
    function JSONPRequest(url, data) {
        this.url = url;
        this.data = data;
    }
    JSONPRequest.prototype.send = function (receiver) {
        if (this.request) {
            return;
        }
        var query = buildQueryString(this.data);
        var url = this.url + '/' + receiver.number + '?' + query;
        this.request = runtime.createScriptRequest(url);
        this.request.send(receiver);
    };
    JSONPRequest.prototype.cleanup = function () {
        if (this.request) {
            this.request.cleanup();
        }
    };
    return JSONPRequest;
}());
/* harmony default export */ var jsonp_request = (jsonp_request_JSONPRequest);

// CONCATENATED MODULE: ./src/runtimes/web/timeline/jsonp_timeline.ts


var getAgent = function (sender, useTLS) {
    return function (data, callback) {
        var scheme = 'http' + (useTLS ? 's' : '') + '://';
        var url = scheme + (sender.host || sender.options.host) + sender.options.path;
        var request = runtime.createJSONPRequest(url, data);
        var receiver = runtime.ScriptReceivers.create(function (error, result) {
            ScriptReceivers.remove(receiver);
            request.cleanup();
            if (result && result.host) {
                sender.host = result.host;
            }
            if (callback) {
                callback(error, result);
            }
        });
        request.send(receiver);
    };
};
var jsonp_timeline_jsonp = {
    name: 'jsonp',
    getAgent: getAgent
};
/* harmony default export */ var jsonp_timeline = (jsonp_timeline_jsonp);

// CONCATENATED MODULE: ./src/core/transports/url_schemes.ts

function getGenericURL(baseScheme, params, path) {
    var scheme = baseScheme + (params.useTLS ? 's' : '');
    var host = params.useTLS ? params.hostTLS : params.hostNonTLS;
    return scheme + '://' + host + path;
}
function getGenericPath(key, queryString) {
    var path = '/app/' + key;
    var query = '?protocol=' +
        defaults.PROTOCOL +
        '&client=js' +
        '&version=' +
        defaults.VERSION +
        (queryString ? '&' + queryString : '');
    return path + query;
}
var ws = {
    getInitial: function (key, params) {
        var path = (params.httpPath || '') + getGenericPath(key, 'flash=false');
        return getGenericURL('ws', params, path);
    }
};
var http = {
    getInitial: function (key, params) {
        var path = (params.httpPath || '/pusher') + getGenericPath(key);
        return getGenericURL('http', params, path);
    }
};
var sockjs = {
    getInitial: function (key, params) {
        return getGenericURL('http', params, params.httpPath || '/pusher');
    },
    getPath: function (key, params) {
        return getGenericPath(key);
    }
};

// CONCATENATED MODULE: ./src/core/events/callback_registry.ts

var callback_registry_CallbackRegistry = (function () {
    function CallbackRegistry() {
        this._callbacks = {};
    }
    CallbackRegistry.prototype.get = function (name) {
        return this._callbacks[prefix(name)];
    };
    CallbackRegistry.prototype.add = function (name, callback, context) {
        var prefixedEventName = prefix(name);
        this._callbacks[prefixedEventName] =
            this._callbacks[prefixedEventName] || [];
        this._callbacks[prefixedEventName].push({
            fn: callback,
            context: context
        });
    };
    CallbackRegistry.prototype.remove = function (name, callback, context) {
        if (!name && !callback && !context) {
            this._callbacks = {};
            return;
        }
        var names = name ? [prefix(name)] : keys(this._callbacks);
        if (callback || context) {
            this.removeCallback(names, callback, context);
        }
        else {
            this.removeAllCallbacks(names);
        }
    };
    CallbackRegistry.prototype.removeCallback = function (names, callback, context) {
        apply(names, function (name) {
            this._callbacks[name] = filter(this._callbacks[name] || [], function (binding) {
                return ((callback && callback !== binding.fn) ||
                    (context && context !== binding.context));
            });
            if (this._callbacks[name].length === 0) {
                delete this._callbacks[name];
            }
        }, this);
    };
    CallbackRegistry.prototype.removeAllCallbacks = function (names) {
        apply(names, function (name) {
            delete this._callbacks[name];
        }, this);
    };
    return CallbackRegistry;
}());
/* harmony default export */ var callback_registry = (callback_registry_CallbackRegistry);
function prefix(name) {
    return '_' + name;
}

// CONCATENATED MODULE: ./src/core/events/dispatcher.ts


var dispatcher_Dispatcher = (function () {
    function Dispatcher(failThrough) {
        this.callbacks = new callback_registry();
        this.global_callbacks = [];
        this.failThrough = failThrough;
    }
    Dispatcher.prototype.bind = function (eventName, callback, context) {
        this.callbacks.add(eventName, callback, context);
        return this;
    };
    Dispatcher.prototype.bind_global = function (callback) {
        this.global_callbacks.push(callback);
        return this;
    };
    Dispatcher.prototype.unbind = function (eventName, callback, context) {
        this.callbacks.remove(eventName, callback, context);
        return this;
    };
    Dispatcher.prototype.unbind_global = function (callback) {
        if (!callback) {
            this.global_callbacks = [];
            return this;
        }
        this.global_callbacks = filter(this.global_callbacks || [], function (c) { return c !== callback; });
        return this;
    };
    Dispatcher.prototype.unbind_all = function () {
        this.unbind();
        this.unbind_global();
        return this;
    };
    Dispatcher.prototype.emit = function (eventName, data, metadata) {
        for (var i = 0; i < this.global_callbacks.length; i++) {
            this.global_callbacks[i](eventName, data);
        }
        var callbacks = this.callbacks.get(eventName);
        var args = [];
        if (metadata) {
            args.push(data, metadata);
        }
        else if (data) {
            args.push(data);
        }
        if (callbacks && callbacks.length > 0) {
            for (var i = 0; i < callbacks.length; i++) {
                callbacks[i].fn.apply(callbacks[i].context || window, args);
            }
        }
        else if (this.failThrough) {
            this.failThrough(eventName, data);
        }
        return this;
    };
    return Dispatcher;
}());
/* harmony default export */ var dispatcher = (dispatcher_Dispatcher);

// CONCATENATED MODULE: ./src/core/transports/transport_connection.ts
var transport_connection_extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();





var transport_connection_TransportConnection = (function (_super) {
    transport_connection_extends(TransportConnection, _super);
    function TransportConnection(hooks, name, priority, key, options) {
        var _this = _super.call(this) || this;
        _this.initialize = runtime.transportConnectionInitializer;
        _this.hooks = hooks;
        _this.name = name;
        _this.priority = priority;
        _this.key = key;
        _this.options = options;
        _this.state = 'new';
        _this.timeline = options.timeline;
        _this.activityTimeout = options.activityTimeout;
        _this.id = _this.timeline.generateUniqueID();
        return _this;
    }
    TransportConnection.prototype.handlesActivityChecks = function () {
        return Boolean(this.hooks.handlesActivityChecks);
    };
    TransportConnection.prototype.supportsPing = function () {
        return Boolean(this.hooks.supportsPing);
    };
    TransportConnection.prototype.connect = function () {
        var _this = this;
        if (this.socket || this.state !== 'initialized') {
            return false;
        }
        var url = this.hooks.urls.getInitial(this.key, this.options);
        try {
            this.socket = this.hooks.getSocket(url, this.options);
        }
        catch (e) {
            util.defer(function () {
                _this.onError(e);
                _this.changeState('closed');
            });
            return false;
        }
        this.bindListeners();
        logger.debug('Connecting', { transport: this.name, url: url });
        this.changeState('connecting');
        return true;
    };
    TransportConnection.prototype.close = function () {
        if (this.socket) {
            this.socket.close();
            return true;
        }
        else {
            return false;
        }
    };
    TransportConnection.prototype.send = function (data) {
        var _this = this;
        if (this.state === 'open') {
            util.defer(function () {
                if (_this.socket) {
                    _this.socket.send(data);
                }
            });
            return true;
        }
        else {
            return false;
        }
    };
    TransportConnection.prototype.ping = function () {
        if (this.state === 'open' && this.supportsPing()) {
            this.socket.ping();
        }
    };
    TransportConnection.prototype.onOpen = function () {
        if (this.hooks.beforeOpen) {
            this.hooks.beforeOpen(this.socket, this.hooks.urls.getPath(this.key, this.options));
        }
        this.changeState('open');
        this.socket.onopen = undefined;
    };
    TransportConnection.prototype.onError = function (error) {
        this.emit('error', { type: 'WebSocketError', error: error });
        this.timeline.error(this.buildTimelineMessage({ error: error.toString() }));
    };
    TransportConnection.prototype.onClose = function (closeEvent) {
        if (closeEvent) {
            this.changeState('closed', {
                code: closeEvent.code,
                reason: closeEvent.reason,
                wasClean: closeEvent.wasClean
            });
        }
        else {
            this.changeState('closed');
        }
        this.unbindListeners();
        this.socket = undefined;
    };
    TransportConnection.prototype.onMessage = function (message) {
        this.emit('message', message);
    };
    TransportConnection.prototype.onActivity = function () {
        this.emit('activity');
    };
    TransportConnection.prototype.bindListeners = function () {
        var _this = this;
        this.socket.onopen = function () {
            _this.onOpen();
        };
        this.socket.onerror = function (error) {
            _this.onError(error);
        };
        this.socket.onclose = function (closeEvent) {
            _this.onClose(closeEvent);
        };
        this.socket.onmessage = function (message) {
            _this.onMessage(message);
        };
        if (this.supportsPing()) {
            this.socket.onactivity = function () {
                _this.onActivity();
            };
        }
    };
    TransportConnection.prototype.unbindListeners = function () {
        if (this.socket) {
            this.socket.onopen = undefined;
            this.socket.onerror = undefined;
            this.socket.onclose = undefined;
            this.socket.onmessage = undefined;
            if (this.supportsPing()) {
                this.socket.onactivity = undefined;
            }
        }
    };
    TransportConnection.prototype.changeState = function (state, params) {
        this.state = state;
        this.timeline.info(this.buildTimelineMessage({
            state: state,
            params: params
        }));
        this.emit(state, params);
    };
    TransportConnection.prototype.buildTimelineMessage = function (message) {
        return extend({ cid: this.id }, message);
    };
    return TransportConnection;
}(dispatcher));
/* harmony default export */ var transport_connection = (transport_connection_TransportConnection);

// CONCATENATED MODULE: ./src/core/transports/transport.ts

var transport_Transport = (function () {
    function Transport(hooks) {
        this.hooks = hooks;
    }
    Transport.prototype.isSupported = function (environment) {
        return this.hooks.isSupported(environment);
    };
    Transport.prototype.createConnection = function (name, priority, key, options) {
        return new transport_connection(this.hooks, name, priority, key, options);
    };
    return Transport;
}());
/* harmony default export */ var transports_transport = (transport_Transport);

// CONCATENATED MODULE: ./src/runtimes/isomorphic/transports/transports.ts




var WSTransport = new transports_transport({
    urls: ws,
    handlesActivityChecks: false,
    supportsPing: false,
    isInitialized: function () {
        return Boolean(runtime.getWebSocketAPI());
    },
    isSupported: function () {
        return Boolean(runtime.getWebSocketAPI());
    },
    getSocket: function (url) {
        return runtime.createWebSocket(url);
    }
});
var httpConfiguration = {
    urls: http,
    handlesActivityChecks: false,
    supportsPing: true,
    isInitialized: function () {
        return true;
    }
};
var streamingConfiguration = extend({
    getSocket: function (url) {
        return runtime.HTTPFactory.createStreamingSocket(url);
    }
}, httpConfiguration);
var pollingConfiguration = extend({
    getSocket: function (url) {
        return runtime.HTTPFactory.createPollingSocket(url);
    }
}, httpConfiguration);
var xhrConfiguration = {
    isSupported: function () {
        return runtime.isXHRSupported();
    }
};
var XHRStreamingTransport = new transports_transport((extend({}, streamingConfiguration, xhrConfiguration)));
var XHRPollingTransport = new transports_transport(extend({}, pollingConfiguration, xhrConfiguration));
var Transports = {
    ws: WSTransport,
    xhr_streaming: XHRStreamingTransport,
    xhr_polling: XHRPollingTransport
};
/* harmony default export */ var transports = (Transports);

// CONCATENATED MODULE: ./src/runtimes/web/transports/transports.ts






var SockJSTransport = new transports_transport({
    file: 'sockjs',
    urls: sockjs,
    handlesActivityChecks: true,
    supportsPing: false,
    isSupported: function () {
        return true;
    },
    isInitialized: function () {
        return window.SockJS !== undefined;
    },
    getSocket: function (url, options) {
        return new window.SockJS(url, null, {
            js_path: Dependencies.getPath('sockjs', {
                useTLS: options.useTLS
            }),
            ignore_null_origin: options.ignoreNullOrigin
        });
    },
    beforeOpen: function (socket, path) {
        socket.send(JSON.stringify({
            path: path
        }));
    }
});
var xdrConfiguration = {
    isSupported: function (environment) {
        var yes = runtime.isXDRSupported(environment.useTLS);
        return yes;
    }
};
var XDRStreamingTransport = new transports_transport((extend({}, streamingConfiguration, xdrConfiguration)));
var XDRPollingTransport = new transports_transport(extend({}, pollingConfiguration, xdrConfiguration));
transports.xdr_streaming = XDRStreamingTransport;
transports.xdr_polling = XDRPollingTransport;
transports.sockjs = SockJSTransport;
/* harmony default export */ var transports_transports = (transports);

// CONCATENATED MODULE: ./src/runtimes/web/net_info.ts
var net_info_extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();

var NetInfo = (function (_super) {
    net_info_extends(NetInfo, _super);
    function NetInfo() {
        var _this = _super.call(this) || this;
        var self = _this;
        if (window.addEventListener !== undefined) {
            window.addEventListener('online', function () {
                self.emit('online');
            }, false);
            window.addEventListener('offline', function () {
                self.emit('offline');
            }, false);
        }
        return _this;
    }
    NetInfo.prototype.isOnline = function () {
        if (window.navigator.onLine === undefined) {
            return true;
        }
        else {
            return window.navigator.onLine;
        }
    };
    return NetInfo;
}(dispatcher));

var net_info_Network = new NetInfo();

// CONCATENATED MODULE: ./src/core/transports/assistant_to_the_transport_manager.ts


var assistant_to_the_transport_manager_AssistantToTheTransportManager = (function () {
    function AssistantToTheTransportManager(manager, transport, options) {
        this.manager = manager;
        this.transport = transport;
        this.minPingDelay = options.minPingDelay;
        this.maxPingDelay = options.maxPingDelay;
        this.pingDelay = undefined;
    }
    AssistantToTheTransportManager.prototype.createConnection = function (name, priority, key, options) {
        var _this = this;
        options = extend({}, options, {
            activityTimeout: this.pingDelay
        });
        var connection = this.transport.createConnection(name, priority, key, options);
        var openTimestamp = null;
        var onOpen = function () {
            connection.unbind('open', onOpen);
            connection.bind('closed', onClosed);
            openTimestamp = util.now();
        };
        var onClosed = function (closeEvent) {
            connection.unbind('closed', onClosed);
            if (closeEvent.code === 1002 || closeEvent.code === 1003) {
                _this.manager.reportDeath();
            }
            else if (!closeEvent.wasClean && openTimestamp) {
                var lifespan = util.now() - openTimestamp;
                if (lifespan < 2 * _this.maxPingDelay) {
                    _this.manager.reportDeath();
                    _this.pingDelay = Math.max(lifespan / 2, _this.minPingDelay);
                }
            }
        };
        connection.bind('open', onOpen);
        return connection;
    };
    AssistantToTheTransportManager.prototype.isSupported = function (environment) {
        return this.manager.isAlive() && this.transport.isSupported(environment);
    };
    return AssistantToTheTransportManager;
}());
/* harmony default export */ var assistant_to_the_transport_manager = (assistant_to_the_transport_manager_AssistantToTheTransportManager);

// CONCATENATED MODULE: ./src/core/connection/protocol/protocol.ts
var Protocol = {
    decodeMessage: function (messageEvent) {
        try {
            var messageData = JSON.parse(messageEvent.data);
            var pusherEventData = messageData.data;
            if (typeof pusherEventData === 'string') {
                try {
                    pusherEventData = JSON.parse(messageData.data);
                }
                catch (e) { }
            }
            var pusherEvent = {
                event: messageData.event,
                channel: messageData.channel,
                data: pusherEventData
            };
            if (messageData.user_id) {
                pusherEvent.user_id = messageData.user_id;
            }
            return pusherEvent;
        }
        catch (e) {
            throw { type: 'MessageParseError', error: e, data: messageEvent.data };
        }
    },
    encodeMessage: function (event) {
        return JSON.stringify(event);
    },
    processHandshake: function (messageEvent) {
        var message = Protocol.decodeMessage(messageEvent);
        if (message.event === 'pusher:connection_established') {
            if (!message.data.activity_timeout) {
                throw 'No activity timeout specified in handshake';
            }
            return {
                action: 'connected',
                id: message.data.socket_id,
                activityTimeout: message.data.activity_timeout * 1000
            };
        }
        else if (message.event === 'pusher:error') {
            return {
                action: this.getCloseAction(message.data),
                error: this.getCloseError(message.data)
            };
        }
        else {
            throw 'Invalid handshake';
        }
    },
    getCloseAction: function (closeEvent) {
        if (closeEvent.code < 4000) {
            if (closeEvent.code >= 1002 && closeEvent.code <= 1004) {
                return 'backoff';
            }
            else {
                return null;
            }
        }
        else if (closeEvent.code === 4000) {
            return 'tls_only';
        }
        else if (closeEvent.code < 4100) {
            return 'refused';
        }
        else if (closeEvent.code < 4200) {
            return 'backoff';
        }
        else if (closeEvent.code < 4300) {
            return 'retry';
        }
        else {
            return 'refused';
        }
    },
    getCloseError: function (closeEvent) {
        if (closeEvent.code !== 1000 && closeEvent.code !== 1001) {
            return {
                type: 'PusherError',
                data: {
                    code: closeEvent.code,
                    message: closeEvent.reason || closeEvent.message
                }
            };
        }
        else {
            return null;
        }
    }
};
/* harmony default export */ var protocol_protocol = (Protocol);

// CONCATENATED MODULE: ./src/core/connection/connection.ts
var connection_extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();




var connection_Connection = (function (_super) {
    connection_extends(Connection, _super);
    function Connection(id, transport) {
        var _this = _super.call(this) || this;
        _this.id = id;
        _this.transport = transport;
        _this.activityTimeout = transport.activityTimeout;
        _this.bindListeners();
        return _this;
    }
    Connection.prototype.handlesActivityChecks = function () {
        return this.transport.handlesActivityChecks();
    };
    Connection.prototype.send = function (data) {
        return this.transport.send(data);
    };
    Connection.prototype.send_event = function (name, data, channel) {
        var event = { event: name, data: data };
        if (channel) {
            event.channel = channel;
        }
        logger.debug('Event sent', event);
        return this.send(protocol_protocol.encodeMessage(event));
    };
    Connection.prototype.ping = function () {
        if (this.transport.supportsPing()) {
            this.transport.ping();
        }
        else {
            this.send_event('pusher:ping', {});
        }
    };
    Connection.prototype.close = function () {
        this.transport.close();
    };
    Connection.prototype.bindListeners = function () {
        var _this = this;
        var listeners = {
            message: function (messageEvent) {
                var pusherEvent;
                try {
                    pusherEvent = protocol_protocol.decodeMessage(messageEvent);
                }
                catch (e) {
                    _this.emit('error', {
                        type: 'MessageParseError',
                        error: e,
                        data: messageEvent.data
                    });
                }
                if (pusherEvent !== undefined) {
                    logger.debug('Event recd', pusherEvent);
                    switch (pusherEvent.event) {
                        case 'pusher:error':
                            _this.emit('error', {
                                type: 'PusherError',
                                data: pusherEvent.data
                            });
                            break;
                        case 'pusher:ping':
                            _this.emit('ping');
                            break;
                        case 'pusher:pong':
                            _this.emit('pong');
                            break;
                    }
                    _this.emit('message', pusherEvent);
                }
            },
            activity: function () {
                _this.emit('activity');
            },
            error: function (error) {
                _this.emit('error', error);
            },
            closed: function (closeEvent) {
                unbindListeners();
                if (closeEvent && closeEvent.code) {
                    _this.handleCloseEvent(closeEvent);
                }
                _this.transport = null;
                _this.emit('closed');
            }
        };
        var unbindListeners = function () {
            objectApply(listeners, function (listener, event) {
                _this.transport.unbind(event, listener);
            });
        };
        objectApply(listeners, function (listener, event) {
            _this.transport.bind(event, listener);
        });
    };
    Connection.prototype.handleCloseEvent = function (closeEvent) {
        var action = protocol_protocol.getCloseAction(closeEvent);
        var error = protocol_protocol.getCloseError(closeEvent);
        if (error) {
            this.emit('error', error);
        }
        if (action) {
            this.emit(action, { action: action, error: error });
        }
    };
    return Connection;
}(dispatcher));
/* harmony default export */ var connection_connection = (connection_Connection);

// CONCATENATED MODULE: ./src/core/connection/handshake/index.ts



var handshake_Handshake = (function () {
    function Handshake(transport, callback) {
        this.transport = transport;
        this.callback = callback;
        this.bindListeners();
    }
    Handshake.prototype.close = function () {
        this.unbindListeners();
        this.transport.close();
    };
    Handshake.prototype.bindListeners = function () {
        var _this = this;
        this.onMessage = function (m) {
            _this.unbindListeners();
            var result;
            try {
                result = protocol_protocol.processHandshake(m);
            }
            catch (e) {
                _this.finish('error', { error: e });
                _this.transport.close();
                return;
            }
            if (result.action === 'connected') {
                _this.finish('connected', {
                    connection: new connection_connection(result.id, _this.transport),
                    activityTimeout: result.activityTimeout
                });
            }
            else {
                _this.finish(result.action, { error: result.error });
                _this.transport.close();
            }
        };
        this.onClosed = function (closeEvent) {
            _this.unbindListeners();
            var action = protocol_protocol.getCloseAction(closeEvent) || 'backoff';
            var error = protocol_protocol.getCloseError(closeEvent);
            _this.finish(action, { error: error });
        };
        this.transport.bind('message', this.onMessage);
        this.transport.bind('closed', this.onClosed);
    };
    Handshake.prototype.unbindListeners = function () {
        this.transport.unbind('message', this.onMessage);
        this.transport.unbind('closed', this.onClosed);
    };
    Handshake.prototype.finish = function (action, params) {
        this.callback(extend({ transport: this.transport, action: action }, params));
    };
    return Handshake;
}());
/* harmony default export */ var connection_handshake = (handshake_Handshake);

// CONCATENATED MODULE: ./src/core/auth/pusher_authorizer.ts

var pusher_authorizer_PusherAuthorizer = (function () {
    function PusherAuthorizer(channel, options) {
        this.channel = channel;
        var authTransport = options.authTransport;
        if (typeof runtime.getAuthorizers()[authTransport] === 'undefined') {
            throw "'" + authTransport + "' is not a recognized auth transport";
        }
        this.type = authTransport;
        this.options = options;
        this.authOptions = options.auth || {};
    }
    PusherAuthorizer.prototype.composeQuery = function (socketId) {
        var query = 'socket_id=' +
            encodeURIComponent(socketId) +
            '&channel_name=' +
            encodeURIComponent(this.channel.name);
        for (var i in this.authOptions.params) {
            query +=
                '&' +
                    encodeURIComponent(i) +
                    '=' +
                    encodeURIComponent(this.authOptions.params[i]);
        }
        return query;
    };
    PusherAuthorizer.prototype.authorize = function (socketId, callback) {
        PusherAuthorizer.authorizers =
            PusherAuthorizer.authorizers || runtime.getAuthorizers();
        PusherAuthorizer.authorizers[this.type].call(this, runtime, socketId, callback);
    };
    return PusherAuthorizer;
}());
/* harmony default export */ var pusher_authorizer = (pusher_authorizer_PusherAuthorizer);

// CONCATENATED MODULE: ./src/core/timeline/timeline_sender.ts

var timeline_sender_TimelineSender = (function () {
    function TimelineSender(timeline, options) {
        this.timeline = timeline;
        this.options = options || {};
    }
    TimelineSender.prototype.send = function (useTLS, callback) {
        if (this.timeline.isEmpty()) {
            return;
        }
        this.timeline.send(runtime.TimelineTransport.getAgent(this, useTLS), callback);
    };
    return TimelineSender;
}());
/* harmony default export */ var timeline_sender = (timeline_sender_TimelineSender);

// CONCATENATED MODULE: ./src/core/channels/channel.ts
var channel_extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();





var channel_Channel = (function (_super) {
    channel_extends(Channel, _super);
    function Channel(name, pusher) {
        var _this = _super.call(this, function (event, data) {
            logger.debug('No callbacks on ' + name + ' for ' + event);
        }) || this;
        _this.name = name;
        _this.pusher = pusher;
        _this.subscribed = false;
        _this.subscriptionPending = false;
        _this.subscriptionCancelled = false;
        return _this;
    }
    Channel.prototype.authorize = function (socketId, callback) {
        return callback(null, { auth: '' });
    };
    Channel.prototype.trigger = function (event, data) {
        if (event.indexOf('client-') !== 0) {
            throw new BadEventName("Event '" + event + "' does not start with 'client-'");
        }
        if (!this.subscribed) {
            var suffix = url_store.buildLogSuffix('triggeringClientEvents');
            logger.warn("Client event triggered before channel 'subscription_succeeded' event . " + suffix);
        }
        return this.pusher.send_event(event, data, this.name);
    };
    Channel.prototype.disconnect = function () {
        this.subscribed = false;
        this.subscriptionPending = false;
    };
    Channel.prototype.handleEvent = function (event) {
        var eventName = event.event;
        var data = event.data;
        if (eventName === 'pusher_internal:subscription_succeeded') {
            this.handleSubscriptionSucceededEvent(event);
        }
        else if (eventName.indexOf('pusher_internal:') !== 0) {
            var metadata = {};
            this.emit(eventName, data, metadata);
        }
    };
    Channel.prototype.handleSubscriptionSucceededEvent = function (event) {
        this.subscriptionPending = false;
        this.subscribed = true;
        if (this.subscriptionCancelled) {
            this.pusher.unsubscribe(this.name);
        }
        else {
            this.emit('pusher:subscription_succeeded', event.data);
        }
    };
    Channel.prototype.subscribe = function () {
        var _this = this;
        if (this.subscribed) {
            return;
        }
        this.subscriptionPending = true;
        this.subscriptionCancelled = false;
        this.authorize(this.pusher.connection.socket_id, function (error, data) {
            if (error) {
                _this.subscriptionPending = false;
                logger.error(error.toString());
                _this.emit('pusher:subscription_error', Object.assign({}, {
                    type: 'AuthError',
                    error: error.message
                }, error instanceof HTTPAuthError ? { status: error.status } : {}));
            }
            else {
                _this.pusher.send_event('pusher:subscribe', {
                    auth: data.auth,
                    channel_data: data.channel_data,
                    channel: _this.name
                });
            }
        });
    };
    Channel.prototype.unsubscribe = function () {
        this.subscribed = false;
        this.pusher.send_event('pusher:unsubscribe', {
            channel: this.name
        });
    };
    Channel.prototype.cancelSubscription = function () {
        this.subscriptionCancelled = true;
    };
    Channel.prototype.reinstateSubscription = function () {
        this.subscriptionCancelled = false;
    };
    return Channel;
}(dispatcher));
/* harmony default export */ var channels_channel = (channel_Channel);

// CONCATENATED MODULE: ./src/core/channels/private_channel.ts
var private_channel_extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();


var private_channel_PrivateChannel = (function (_super) {
    private_channel_extends(PrivateChannel, _super);
    function PrivateChannel() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    PrivateChannel.prototype.authorize = function (socketId, callback) {
        var authorizer = factory.createAuthorizer(this, this.pusher.config);
        return authorizer.authorize(socketId, callback);
    };
    return PrivateChannel;
}(channels_channel));
/* harmony default export */ var private_channel = (private_channel_PrivateChannel);

// CONCATENATED MODULE: ./src/core/channels/members.ts

var members_Members = (function () {
    function Members() {
        this.reset();
    }
    Members.prototype.get = function (id) {
        if (Object.prototype.hasOwnProperty.call(this.members, id)) {
            return {
                id: id,
                info: this.members[id]
            };
        }
        else {
            return null;
        }
    };
    Members.prototype.each = function (callback) {
        var _this = this;
        objectApply(this.members, function (member, id) {
            callback(_this.get(id));
        });
    };
    Members.prototype.setMyID = function (id) {
        this.myID = id;
    };
    Members.prototype.onSubscription = function (subscriptionData) {
        this.members = subscriptionData.presence.hash;
        this.count = subscriptionData.presence.count;
        this.me = this.get(this.myID);
    };
    Members.prototype.addMember = function (memberData) {
        if (this.get(memberData.user_id) === null) {
            this.count++;
        }
        this.members[memberData.user_id] = memberData.user_info;
        return this.get(memberData.user_id);
    };
    Members.prototype.removeMember = function (memberData) {
        var member = this.get(memberData.user_id);
        if (member) {
            delete this.members[memberData.user_id];
            this.count--;
        }
        return member;
    };
    Members.prototype.reset = function () {
        this.members = {};
        this.count = 0;
        this.myID = null;
        this.me = null;
    };
    return Members;
}());
/* harmony default export */ var members = (members_Members);

// CONCATENATED MODULE: ./src/core/channels/presence_channel.ts
var presence_channel_extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();




var presence_channel_PresenceChannel = (function (_super) {
    presence_channel_extends(PresenceChannel, _super);
    function PresenceChannel(name, pusher) {
        var _this = _super.call(this, name, pusher) || this;
        _this.members = new members();
        return _this;
    }
    PresenceChannel.prototype.authorize = function (socketId, callback) {
        var _this = this;
        _super.prototype.authorize.call(this, socketId, function (error, authData) {
            if (!error) {
                authData = authData;
                if (authData.channel_data === undefined) {
                    var suffix = url_store.buildLogSuffix('authenticationEndpoint');
                    logger.error("Invalid auth response for channel '" + _this.name + "'," +
                        ("expected 'channel_data' field. " + suffix));
                    callback('Invalid auth response');
                    return;
                }
                var channelData = JSON.parse(authData.channel_data);
                _this.members.setMyID(channelData.user_id);
            }
            callback(error, authData);
        });
    };
    PresenceChannel.prototype.handleEvent = function (event) {
        var eventName = event.event;
        if (eventName.indexOf('pusher_internal:') === 0) {
            this.handleInternalEvent(event);
        }
        else {
            var data = event.data;
            var metadata = {};
            if (event.user_id) {
                metadata.user_id = event.user_id;
            }
            this.emit(eventName, data, metadata);
        }
    };
    PresenceChannel.prototype.handleInternalEvent = function (event) {
        var eventName = event.event;
        var data = event.data;
        switch (eventName) {
            case 'pusher_internal:subscription_succeeded':
                this.handleSubscriptionSucceededEvent(event);
                break;
            case 'pusher_internal:member_added':
                var addedMember = this.members.addMember(data);
                this.emit('pusher:member_added', addedMember);
                break;
            case 'pusher_internal:member_removed':
                var removedMember = this.members.removeMember(data);
                if (removedMember) {
                    this.emit('pusher:member_removed', removedMember);
                }
                break;
        }
    };
    PresenceChannel.prototype.handleSubscriptionSucceededEvent = function (event) {
        this.subscriptionPending = false;
        this.subscribed = true;
        if (this.subscriptionCancelled) {
            this.pusher.unsubscribe(this.name);
        }
        else {
            this.members.onSubscription(event.data);
            this.emit('pusher:subscription_succeeded', this.members);
        }
    };
    PresenceChannel.prototype.disconnect = function () {
        this.members.reset();
        _super.prototype.disconnect.call(this);
    };
    return PresenceChannel;
}(private_channel));
/* harmony default export */ var presence_channel = (presence_channel_PresenceChannel);

// EXTERNAL MODULE: ./node_modules/@stablelib/utf8/lib/utf8.js
var utf8 = __webpack_require__(1);

// EXTERNAL MODULE: ./node_modules/@stablelib/base64/lib/base64.js
var base64 = __webpack_require__(0);

// CONCATENATED MODULE: ./src/core/channels/encrypted_channel.ts
var encrypted_channel_extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();





var encrypted_channel_EncryptedChannel = (function (_super) {
    encrypted_channel_extends(EncryptedChannel, _super);
    function EncryptedChannel(name, pusher, nacl) {
        var _this = _super.call(this, name, pusher) || this;
        _this.key = null;
        _this.nacl = nacl;
        return _this;
    }
    EncryptedChannel.prototype.authorize = function (socketId, callback) {
        var _this = this;
        _super.prototype.authorize.call(this, socketId, function (error, authData) {
            if (error) {
                callback(error, authData);
                return;
            }
            var sharedSecret = authData['shared_secret'];
            if (!sharedSecret) {
                callback(new Error("No shared_secret key in auth payload for encrypted channel: " + _this.name), null);
                return;
            }
            _this.key = Object(base64["decode"])(sharedSecret);
            delete authData['shared_secret'];
            callback(null, authData);
        });
    };
    EncryptedChannel.prototype.trigger = function (event, data) {
        throw new UnsupportedFeature('Client events are not currently supported for encrypted channels');
    };
    EncryptedChannel.prototype.handleEvent = function (event) {
        var eventName = event.event;
        var data = event.data;
        if (eventName.indexOf('pusher_internal:') === 0 ||
            eventName.indexOf('pusher:') === 0) {
            _super.prototype.handleEvent.call(this, event);
            return;
        }
        this.handleEncryptedEvent(eventName, data);
    };
    EncryptedChannel.prototype.handleEncryptedEvent = function (event, data) {
        var _this = this;
        if (!this.key) {
            logger.debug('Received encrypted event before key has been retrieved from the authEndpoint');
            return;
        }
        if (!data.ciphertext || !data.nonce) {
            logger.error('Unexpected format for encrypted event, expected object with `ciphertext` and `nonce` fields, got: ' +
                data);
            return;
        }
        var cipherText = Object(base64["decode"])(data.ciphertext);
        if (cipherText.length < this.nacl.secretbox.overheadLength) {
            logger.error("Expected encrypted event ciphertext length to be " + this.nacl.secretbox.overheadLength + ", got: " + cipherText.length);
            return;
        }
        var nonce = Object(base64["decode"])(data.nonce);
        if (nonce.length < this.nacl.secretbox.nonceLength) {
            logger.error("Expected encrypted event nonce length to be " + this.nacl.secretbox.nonceLength + ", got: " + nonce.length);
            return;
        }
        var bytes = this.nacl.secretbox.open(cipherText, nonce, this.key);
        if (bytes === null) {
            logger.debug('Failed to decrypt an event, probably because it was encrypted with a different key. Fetching a new key from the authEndpoint...');
            this.authorize(this.pusher.connection.socket_id, function (error, authData) {
                if (error) {
                    logger.error("Failed to make a request to the authEndpoint: " + authData + ". Unable to fetch new key, so dropping encrypted event");
                    return;
                }
                bytes = _this.nacl.secretbox.open(cipherText, nonce, _this.key);
                if (bytes === null) {
                    logger.error("Failed to decrypt event with new key. Dropping encrypted event");
                    return;
                }
                _this.emit(event, _this.getDataToEmit(bytes));
                return;
            });
            return;
        }
        this.emit(event, this.getDataToEmit(bytes));
    };
    EncryptedChannel.prototype.getDataToEmit = function (bytes) {
        var raw = Object(utf8["decode"])(bytes);
        try {
            return JSON.parse(raw);
        }
        catch (_a) {
            return raw;
        }
    };
    return EncryptedChannel;
}(private_channel));
/* harmony default export */ var encrypted_channel = (encrypted_channel_EncryptedChannel);

// CONCATENATED MODULE: ./src/core/connection/connection_manager.ts
var connection_manager_extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();





var connection_manager_ConnectionManager = (function (_super) {
    connection_manager_extends(ConnectionManager, _super);
    function ConnectionManager(key, options) {
        var _this = _super.call(this) || this;
        _this.state = 'initialized';
        _this.connection = null;
        _this.key = key;
        _this.options = options;
        _this.timeline = _this.options.timeline;
        _this.usingTLS = _this.options.useTLS;
        _this.errorCallbacks = _this.buildErrorCallbacks();
        _this.connectionCallbacks = _this.buildConnectionCallbacks(_this.errorCallbacks);
        _this.handshakeCallbacks = _this.buildHandshakeCallbacks(_this.errorCallbacks);
        var Network = runtime.getNetwork();
        Network.bind('online', function () {
            _this.timeline.info({ netinfo: 'online' });
            if (_this.state === 'connecting' || _this.state === 'unavailable') {
                _this.retryIn(0);
            }
        });
        Network.bind('offline', function () {
            _this.timeline.info({ netinfo: 'offline' });
            if (_this.connection) {
                _this.sendActivityCheck();
            }
        });
        _this.updateStrategy();
        return _this;
    }
    ConnectionManager.prototype.connect = function () {
        if (this.connection || this.runner) {
            return;
        }
        if (!this.strategy.isSupported()) {
            this.updateState('failed');
            return;
        }
        this.updateState('connecting');
        this.startConnecting();
        this.setUnavailableTimer();
    };
    ConnectionManager.prototype.send = function (data) {
        if (this.connection) {
            return this.connection.send(data);
        }
        else {
            return false;
        }
    };
    ConnectionManager.prototype.send_event = function (name, data, channel) {
        if (this.connection) {
            return this.connection.send_event(name, data, channel);
        }
        else {
            return false;
        }
    };
    ConnectionManager.prototype.disconnect = function () {
        this.disconnectInternally();
        this.updateState('disconnected');
    };
    ConnectionManager.prototype.isUsingTLS = function () {
        return this.usingTLS;
    };
    ConnectionManager.prototype.startConnecting = function () {
        var _this = this;
        var callback = function (error, handshake) {
            if (error) {
                _this.runner = _this.strategy.connect(0, callback);
            }
            else {
                if (handshake.action === 'error') {
                    _this.emit('error', {
                        type: 'HandshakeError',
                        error: handshake.error
                    });
                    _this.timeline.error({ handshakeError: handshake.error });
                }
                else {
                    _this.abortConnecting();
                    _this.handshakeCallbacks[handshake.action](handshake);
                }
            }
        };
        this.runner = this.strategy.connect(0, callback);
    };
    ConnectionManager.prototype.abortConnecting = function () {
        if (this.runner) {
            this.runner.abort();
            this.runner = null;
        }
    };
    ConnectionManager.prototype.disconnectInternally = function () {
        this.abortConnecting();
        this.clearRetryTimer();
        this.clearUnavailableTimer();
        if (this.connection) {
            var connection = this.abandonConnection();
            connection.close();
        }
    };
    ConnectionManager.prototype.updateStrategy = function () {
        this.strategy = this.options.getStrategy({
            key: this.key,
            timeline: this.timeline,
            useTLS: this.usingTLS
        });
    };
    ConnectionManager.prototype.retryIn = function (delay) {
        var _this = this;
        this.timeline.info({ action: 'retry', delay: delay });
        if (delay > 0) {
            this.emit('connecting_in', Math.round(delay / 1000));
        }
        this.retryTimer = new OneOffTimer(delay || 0, function () {
            _this.disconnectInternally();
            _this.connect();
        });
    };
    ConnectionManager.prototype.clearRetryTimer = function () {
        if (this.retryTimer) {
            this.retryTimer.ensureAborted();
            this.retryTimer = null;
        }
    };
    ConnectionManager.prototype.setUnavailableTimer = function () {
        var _this = this;
        this.unavailableTimer = new OneOffTimer(this.options.unavailableTimeout, function () {
            _this.updateState('unavailable');
        });
    };
    ConnectionManager.prototype.clearUnavailableTimer = function () {
        if (this.unavailableTimer) {
            this.unavailableTimer.ensureAborted();
        }
    };
    ConnectionManager.prototype.sendActivityCheck = function () {
        var _this = this;
        this.stopActivityCheck();
        this.connection.ping();
        this.activityTimer = new OneOffTimer(this.options.pongTimeout, function () {
            _this.timeline.error({ pong_timed_out: _this.options.pongTimeout });
            _this.retryIn(0);
        });
    };
    ConnectionManager.prototype.resetActivityCheck = function () {
        var _this = this;
        this.stopActivityCheck();
        if (this.connection && !this.connection.handlesActivityChecks()) {
            this.activityTimer = new OneOffTimer(this.activityTimeout, function () {
                _this.sendActivityCheck();
            });
        }
    };
    ConnectionManager.prototype.stopActivityCheck = function () {
        if (this.activityTimer) {
            this.activityTimer.ensureAborted();
        }
    };
    ConnectionManager.prototype.buildConnectionCallbacks = function (errorCallbacks) {
        var _this = this;
        return extend({}, errorCallbacks, {
            message: function (message) {
                _this.resetActivityCheck();
                _this.emit('message', message);
            },
            ping: function () {
                _this.send_event('pusher:pong', {});
            },
            activity: function () {
                _this.resetActivityCheck();
            },
            error: function (error) {
                _this.emit('error', error);
            },
            closed: function () {
                _this.abandonConnection();
                if (_this.shouldRetry()) {
                    _this.retryIn(1000);
                }
            }
        });
    };
    ConnectionManager.prototype.buildHandshakeCallbacks = function (errorCallbacks) {
        var _this = this;
        return extend({}, errorCallbacks, {
            connected: function (handshake) {
                _this.activityTimeout = Math.min(_this.options.activityTimeout, handshake.activityTimeout, handshake.connection.activityTimeout || Infinity);
                _this.clearUnavailableTimer();
                _this.setConnection(handshake.connection);
                _this.socket_id = _this.connection.id;
                _this.updateState('connected', { socket_id: _this.socket_id });
            }
        });
    };
    ConnectionManager.prototype.buildErrorCallbacks = function () {
        var _this = this;
        var withErrorEmitted = function (callback) {
            return function (result) {
                if (result.error) {
                    _this.emit('error', { type: 'WebSocketError', error: result.error });
                }
                callback(result);
            };
        };
        return {
            tls_only: withErrorEmitted(function () {
                _this.usingTLS = true;
                _this.updateStrategy();
                _this.retryIn(0);
            }),
            refused: withErrorEmitted(function () {
                _this.disconnect();
            }),
            backoff: withErrorEmitted(function () {
                _this.retryIn(1000);
            }),
            retry: withErrorEmitted(function () {
                _this.retryIn(0);
            })
        };
    };
    ConnectionManager.prototype.setConnection = function (connection) {
        this.connection = connection;
        for (var event in this.connectionCallbacks) {
            this.connection.bind(event, this.connectionCallbacks[event]);
        }
        this.resetActivityCheck();
    };
    ConnectionManager.prototype.abandonConnection = function () {
        if (!this.connection) {
            return;
        }
        this.stopActivityCheck();
        for (var event in this.connectionCallbacks) {
            this.connection.unbind(event, this.connectionCallbacks[event]);
        }
        var connection = this.connection;
        this.connection = null;
        return connection;
    };
    ConnectionManager.prototype.updateState = function (newState, data) {
        var previousState = this.state;
        this.state = newState;
        if (previousState !== newState) {
            var newStateDescription = newState;
            if (newStateDescription === 'connected') {
                newStateDescription += ' with new socket ID ' + data.socket_id;
            }
            logger.debug('State changed', previousState + ' -> ' + newStateDescription);
            this.timeline.info({ state: newState, params: data });
            this.emit('state_change', { previous: previousState, current: newState });
            this.emit(newState, data);
        }
    };
    ConnectionManager.prototype.shouldRetry = function () {
        return this.state === 'connecting' || this.state === 'connected';
    };
    return ConnectionManager;
}(dispatcher));
/* harmony default export */ var connection_manager = (connection_manager_ConnectionManager);

// CONCATENATED MODULE: ./src/core/channels/channels.ts




var channels_Channels = (function () {
    function Channels() {
        this.channels = {};
    }
    Channels.prototype.add = function (name, pusher) {
        if (!this.channels[name]) {
            this.channels[name] = createChannel(name, pusher);
        }
        return this.channels[name];
    };
    Channels.prototype.all = function () {
        return values(this.channels);
    };
    Channels.prototype.find = function (name) {
        return this.channels[name];
    };
    Channels.prototype.remove = function (name) {
        var channel = this.channels[name];
        delete this.channels[name];
        return channel;
    };
    Channels.prototype.disconnect = function () {
        objectApply(this.channels, function (channel) {
            channel.disconnect();
        });
    };
    return Channels;
}());
/* harmony default export */ var channels = (channels_Channels);
function createChannel(name, pusher) {
    if (name.indexOf('private-encrypted-') === 0) {
        if (pusher.config.nacl) {
            return factory.createEncryptedChannel(name, pusher, pusher.config.nacl);
        }
        var errMsg = 'Tried to subscribe to a private-encrypted- channel but no nacl implementation available';
        var suffix = url_store.buildLogSuffix('encryptedChannelSupport');
        throw new UnsupportedFeature(errMsg + ". " + suffix);
    }
    else if (name.indexOf('private-') === 0) {
        return factory.createPrivateChannel(name, pusher);
    }
    else if (name.indexOf('presence-') === 0) {
        return factory.createPresenceChannel(name, pusher);
    }
    else {
        return factory.createChannel(name, pusher);
    }
}

// CONCATENATED MODULE: ./src/core/utils/factory.ts










var Factory = {
    createChannels: function () {
        return new channels();
    },
    createConnectionManager: function (key, options) {
        return new connection_manager(key, options);
    },
    createChannel: function (name, pusher) {
        return new channels_channel(name, pusher);
    },
    createPrivateChannel: function (name, pusher) {
        return new private_channel(name, pusher);
    },
    createPresenceChannel: function (name, pusher) {
        return new presence_channel(name, pusher);
    },
    createEncryptedChannel: function (name, pusher, nacl) {
        return new encrypted_channel(name, pusher, nacl);
    },
    createTimelineSender: function (timeline, options) {
        return new timeline_sender(timeline, options);
    },
    createAuthorizer: function (channel, options) {
        if (options.authorizer) {
            return options.authorizer(channel, options);
        }
        return new pusher_authorizer(channel, options);
    },
    createHandshake: function (transport, callback) {
        return new connection_handshake(transport, callback);
    },
    createAssistantToTheTransportManager: function (manager, transport, options) {
        return new assistant_to_the_transport_manager(manager, transport, options);
    }
};
/* harmony default export */ var factory = (Factory);

// CONCATENATED MODULE: ./src/core/transports/transport_manager.ts

var transport_manager_TransportManager = (function () {
    function TransportManager(options) {
        this.options = options || {};
        this.livesLeft = this.options.lives || Infinity;
    }
    TransportManager.prototype.getAssistant = function (transport) {
        return factory.createAssistantToTheTransportManager(this, transport, {
            minPingDelay: this.options.minPingDelay,
            maxPingDelay: this.options.maxPingDelay
        });
    };
    TransportManager.prototype.isAlive = function () {
        return this.livesLeft > 0;
    };
    TransportManager.prototype.reportDeath = function () {
        this.livesLeft -= 1;
    };
    return TransportManager;
}());
/* harmony default export */ var transport_manager = (transport_manager_TransportManager);

// CONCATENATED MODULE: ./src/core/strategies/sequential_strategy.ts



var sequential_strategy_SequentialStrategy = (function () {
    function SequentialStrategy(strategies, options) {
        this.strategies = strategies;
        this.loop = Boolean(options.loop);
        this.failFast = Boolean(options.failFast);
        this.timeout = options.timeout;
        this.timeoutLimit = options.timeoutLimit;
    }
    SequentialStrategy.prototype.isSupported = function () {
        return any(this.strategies, util.method('isSupported'));
    };
    SequentialStrategy.prototype.connect = function (minPriority, callback) {
        var _this = this;
        var strategies = this.strategies;
        var current = 0;
        var timeout = this.timeout;
        var runner = null;
        var tryNextStrategy = function (error, handshake) {
            if (handshake) {
                callback(null, handshake);
            }
            else {
                current = current + 1;
                if (_this.loop) {
                    current = current % strategies.length;
                }
                if (current < strategies.length) {
                    if (timeout) {
                        timeout = timeout * 2;
                        if (_this.timeoutLimit) {
                            timeout = Math.min(timeout, _this.timeoutLimit);
                        }
                    }
                    runner = _this.tryStrategy(strategies[current], minPriority, { timeout: timeout, failFast: _this.failFast }, tryNextStrategy);
                }
                else {
                    callback(true);
                }
            }
        };
        runner = this.tryStrategy(strategies[current], minPriority, { timeout: timeout, failFast: this.failFast }, tryNextStrategy);
        return {
            abort: function () {
                runner.abort();
            },
            forceMinPriority: function (p) {
                minPriority = p;
                if (runner) {
                    runner.forceMinPriority(p);
                }
            }
        };
    };
    SequentialStrategy.prototype.tryStrategy = function (strategy, minPriority, options, callback) {
        var timer = null;
        var runner = null;
        if (options.timeout > 0) {
            timer = new OneOffTimer(options.timeout, function () {
                runner.abort();
                callback(true);
            });
        }
        runner = strategy.connect(minPriority, function (error, handshake) {
            if (error && timer && timer.isRunning() && !options.failFast) {
                return;
            }
            if (timer) {
                timer.ensureAborted();
            }
            callback(error, handshake);
        });
        return {
            abort: function () {
                if (timer) {
                    timer.ensureAborted();
                }
                runner.abort();
            },
            forceMinPriority: function (p) {
                runner.forceMinPriority(p);
            }
        };
    };
    return SequentialStrategy;
}());
/* harmony default export */ var sequential_strategy = (sequential_strategy_SequentialStrategy);

// CONCATENATED MODULE: ./src/core/strategies/best_connected_ever_strategy.ts


var best_connected_ever_strategy_BestConnectedEverStrategy = (function () {
    function BestConnectedEverStrategy(strategies) {
        this.strategies = strategies;
    }
    BestConnectedEverStrategy.prototype.isSupported = function () {
        return any(this.strategies, util.method('isSupported'));
    };
    BestConnectedEverStrategy.prototype.connect = function (minPriority, callback) {
        return connect(this.strategies, minPriority, function (i, runners) {
            return function (error, handshake) {
                runners[i].error = error;
                if (error) {
                    if (allRunnersFailed(runners)) {
                        callback(true);
                    }
                    return;
                }
                apply(runners, function (runner) {
                    runner.forceMinPriority(handshake.transport.priority);
                });
                callback(null, handshake);
            };
        });
    };
    return BestConnectedEverStrategy;
}());
/* harmony default export */ var best_connected_ever_strategy = (best_connected_ever_strategy_BestConnectedEverStrategy);
function connect(strategies, minPriority, callbackBuilder) {
    var runners = map(strategies, function (strategy, i, _, rs) {
        return strategy.connect(minPriority, callbackBuilder(i, rs));
    });
    return {
        abort: function () {
            apply(runners, abortRunner);
        },
        forceMinPriority: function (p) {
            apply(runners, function (runner) {
                runner.forceMinPriority(p);
            });
        }
    };
}
function allRunnersFailed(runners) {
    return collections_all(runners, function (runner) {
        return Boolean(runner.error);
    });
}
function abortRunner(runner) {
    if (!runner.error && !runner.aborted) {
        runner.abort();
        runner.aborted = true;
    }
}

// CONCATENATED MODULE: ./src/core/strategies/cached_strategy.ts




var cached_strategy_CachedStrategy = (function () {
    function CachedStrategy(strategy, transports, options) {
        this.strategy = strategy;
        this.transports = transports;
        this.ttl = options.ttl || 1800 * 1000;
        this.usingTLS = options.useTLS;
        this.timeline = options.timeline;
    }
    CachedStrategy.prototype.isSupported = function () {
        return this.strategy.isSupported();
    };
    CachedStrategy.prototype.connect = function (minPriority, callback) {
        var usingTLS = this.usingTLS;
        var info = fetchTransportCache(usingTLS);
        var strategies = [this.strategy];
        if (info && info.timestamp + this.ttl >= util.now()) {
            var transport = this.transports[info.transport];
            if (transport) {
                this.timeline.info({
                    cached: true,
                    transport: info.transport,
                    latency: info.latency
                });
                strategies.push(new sequential_strategy([transport], {
                    timeout: info.latency * 2 + 1000,
                    failFast: true
                }));
            }
        }
        var startTimestamp = util.now();
        var runner = strategies
            .pop()
            .connect(minPriority, function cb(error, handshake) {
            if (error) {
                flushTransportCache(usingTLS);
                if (strategies.length > 0) {
                    startTimestamp = util.now();
                    runner = strategies.pop().connect(minPriority, cb);
                }
                else {
                    callback(error);
                }
            }
            else {
                storeTransportCache(usingTLS, handshake.transport.name, util.now() - startTimestamp);
                callback(null, handshake);
            }
        });
        return {
            abort: function () {
                runner.abort();
            },
            forceMinPriority: function (p) {
                minPriority = p;
                if (runner) {
                    runner.forceMinPriority(p);
                }
            }
        };
    };
    return CachedStrategy;
}());
/* harmony default export */ var cached_strategy = (cached_strategy_CachedStrategy);
function getTransportCacheKey(usingTLS) {
    return 'pusherTransport' + (usingTLS ? 'TLS' : 'NonTLS');
}
function fetchTransportCache(usingTLS) {
    var storage = runtime.getLocalStorage();
    if (storage) {
        try {
            var serializedCache = storage[getTransportCacheKey(usingTLS)];
            if (serializedCache) {
                return JSON.parse(serializedCache);
            }
        }
        catch (e) {
            flushTransportCache(usingTLS);
        }
    }
    return null;
}
function storeTransportCache(usingTLS, transport, latency) {
    var storage = runtime.getLocalStorage();
    if (storage) {
        try {
            storage[getTransportCacheKey(usingTLS)] = safeJSONStringify({
                timestamp: util.now(),
                transport: transport,
                latency: latency
            });
        }
        catch (e) {
        }
    }
}
function flushTransportCache(usingTLS) {
    var storage = runtime.getLocalStorage();
    if (storage) {
        try {
            delete storage[getTransportCacheKey(usingTLS)];
        }
        catch (e) {
        }
    }
}

// CONCATENATED MODULE: ./src/core/strategies/delayed_strategy.ts

var delayed_strategy_DelayedStrategy = (function () {
    function DelayedStrategy(strategy, _a) {
        var number = _a.delay;
        this.strategy = strategy;
        this.options = { delay: number };
    }
    DelayedStrategy.prototype.isSupported = function () {
        return this.strategy.isSupported();
    };
    DelayedStrategy.prototype.connect = function (minPriority, callback) {
        var strategy = this.strategy;
        var runner;
        var timer = new OneOffTimer(this.options.delay, function () {
            runner = strategy.connect(minPriority, callback);
        });
        return {
            abort: function () {
                timer.ensureAborted();
                if (runner) {
                    runner.abort();
                }
            },
            forceMinPriority: function (p) {
                minPriority = p;
                if (runner) {
                    runner.forceMinPriority(p);
                }
            }
        };
    };
    return DelayedStrategy;
}());
/* harmony default export */ var delayed_strategy = (delayed_strategy_DelayedStrategy);

// CONCATENATED MODULE: ./src/core/strategies/if_strategy.ts
var IfStrategy = (function () {
    function IfStrategy(test, trueBranch, falseBranch) {
        this.test = test;
        this.trueBranch = trueBranch;
        this.falseBranch = falseBranch;
    }
    IfStrategy.prototype.isSupported = function () {
        var branch = this.test() ? this.trueBranch : this.falseBranch;
        return branch.isSupported();
    };
    IfStrategy.prototype.connect = function (minPriority, callback) {
        var branch = this.test() ? this.trueBranch : this.falseBranch;
        return branch.connect(minPriority, callback);
    };
    return IfStrategy;
}());
/* harmony default export */ var if_strategy = (IfStrategy);

// CONCATENATED MODULE: ./src/core/strategies/first_connected_strategy.ts
var FirstConnectedStrategy = (function () {
    function FirstConnectedStrategy(strategy) {
        this.strategy = strategy;
    }
    FirstConnectedStrategy.prototype.isSupported = function () {
        return this.strategy.isSupported();
    };
    FirstConnectedStrategy.prototype.connect = function (minPriority, callback) {
        var runner = this.strategy.connect(minPriority, function (error, handshake) {
            if (handshake) {
                runner.abort();
            }
            callback(error, handshake);
        });
        return runner;
    };
    return FirstConnectedStrategy;
}());
/* harmony default export */ var first_connected_strategy = (FirstConnectedStrategy);

// CONCATENATED MODULE: ./src/runtimes/web/default_strategy.ts







function testSupportsStrategy(strategy) {
    return function () {
        return strategy.isSupported();
    };
}
var getDefaultStrategy = function (config, baseOptions, defineTransport) {
    var definedTransports = {};
    function defineTransportStrategy(name, type, priority, options, manager) {
        var transport = defineTransport(config, name, type, priority, options, manager);
        definedTransports[name] = transport;
        return transport;
    }
    var ws_options = Object.assign({}, baseOptions, {
        hostNonTLS: config.wsHost + ':' + config.wsPort,
        hostTLS: config.wsHost + ':' + config.wssPort,
        httpPath: config.wsPath
    });
    var wss_options = Object.assign({}, ws_options, {
        useTLS: true
    });
    var sockjs_options = Object.assign({}, baseOptions, {
        hostNonTLS: config.httpHost + ':' + config.httpPort,
        hostTLS: config.httpHost + ':' + config.httpsPort,
        httpPath: config.httpPath
    });
    var timeouts = {
        loop: true,
        timeout: 15000,
        timeoutLimit: 60000
    };
    var ws_manager = new transport_manager({
        lives: 2,
        minPingDelay: 10000,
        maxPingDelay: config.activityTimeout
    });
    var streaming_manager = new transport_manager({
        lives: 2,
        minPingDelay: 10000,
        maxPingDelay: config.activityTimeout
    });
    var ws_transport = defineTransportStrategy('ws', 'ws', 3, ws_options, ws_manager);
    var wss_transport = defineTransportStrategy('wss', 'ws', 3, wss_options, ws_manager);
    var sockjs_transport = defineTransportStrategy('sockjs', 'sockjs', 1, sockjs_options);
    var xhr_streaming_transport = defineTransportStrategy('xhr_streaming', 'xhr_streaming', 1, sockjs_options, streaming_manager);
    var xdr_streaming_transport = defineTransportStrategy('xdr_streaming', 'xdr_streaming', 1, sockjs_options, streaming_manager);
    var xhr_polling_transport = defineTransportStrategy('xhr_polling', 'xhr_polling', 1, sockjs_options);
    var xdr_polling_transport = defineTransportStrategy('xdr_polling', 'xdr_polling', 1, sockjs_options);
    var ws_loop = new sequential_strategy([ws_transport], timeouts);
    var wss_loop = new sequential_strategy([wss_transport], timeouts);
    var sockjs_loop = new sequential_strategy([sockjs_transport], timeouts);
    var streaming_loop = new sequential_strategy([
        new if_strategy(testSupportsStrategy(xhr_streaming_transport), xhr_streaming_transport, xdr_streaming_transport)
    ], timeouts);
    var polling_loop = new sequential_strategy([
        new if_strategy(testSupportsStrategy(xhr_polling_transport), xhr_polling_transport, xdr_polling_transport)
    ], timeouts);
    var http_loop = new sequential_strategy([
        new if_strategy(testSupportsStrategy(streaming_loop), new best_connected_ever_strategy([
            streaming_loop,
            new delayed_strategy(polling_loop, { delay: 4000 })
        ]), polling_loop)
    ], timeouts);
    var http_fallback_loop = new if_strategy(testSupportsStrategy(http_loop), http_loop, sockjs_loop);
    var wsStrategy;
    if (baseOptions.useTLS) {
        wsStrategy = new best_connected_ever_strategy([
            ws_loop,
            new delayed_strategy(http_fallback_loop, { delay: 2000 })
        ]);
    }
    else {
        wsStrategy = new best_connected_ever_strategy([
            ws_loop,
            new delayed_strategy(wss_loop, { delay: 2000 }),
            new delayed_strategy(http_fallback_loop, { delay: 5000 })
        ]);
    }
    return new cached_strategy(new first_connected_strategy(new if_strategy(testSupportsStrategy(ws_transport), wsStrategy, http_fallback_loop)), definedTransports, {
        ttl: 1800000,
        timeline: baseOptions.timeline,
        useTLS: baseOptions.useTLS
    });
};
/* harmony default export */ var default_strategy = (getDefaultStrategy);

// CONCATENATED MODULE: ./src/runtimes/web/transports/transport_connection_initializer.ts

/* harmony default export */ var transport_connection_initializer = (function () {
    var self = this;
    self.timeline.info(self.buildTimelineMessage({
        transport: self.name + (self.options.useTLS ? 's' : '')
    }));
    if (self.hooks.isInitialized()) {
        self.changeState('initialized');
    }
    else if (self.hooks.file) {
        self.changeState('initializing');
        Dependencies.load(self.hooks.file, { useTLS: self.options.useTLS }, function (error, callback) {
            if (self.hooks.isInitialized()) {
                self.changeState('initialized');
                callback(true);
            }
            else {
                if (error) {
                    self.onError(error);
                }
                self.onClose();
                callback(false);
            }
        });
    }
    else {
        self.onClose();
    }
});

// CONCATENATED MODULE: ./src/runtimes/web/http/http_xdomain_request.ts

var http_xdomain_request_hooks = {
    getRequest: function (socket) {
        var xdr = new window.XDomainRequest();
        xdr.ontimeout = function () {
            socket.emit('error', new RequestTimedOut());
            socket.close();
        };
        xdr.onerror = function (e) {
            socket.emit('error', e);
            socket.close();
        };
        xdr.onprogress = function () {
            if (xdr.responseText && xdr.responseText.length > 0) {
                socket.onChunk(200, xdr.responseText);
            }
        };
        xdr.onload = function () {
            if (xdr.responseText && xdr.responseText.length > 0) {
                socket.onChunk(200, xdr.responseText);
            }
            socket.emit('finished', 200);
            socket.close();
        };
        return xdr;
    },
    abortRequest: function (xdr) {
        xdr.ontimeout = xdr.onerror = xdr.onprogress = xdr.onload = null;
        xdr.abort();
    }
};
/* harmony default export */ var http_xdomain_request = (http_xdomain_request_hooks);

// CONCATENATED MODULE: ./src/core/http/http_request.ts
var http_request_extends = (undefined && undefined.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();


var MAX_BUFFER_LENGTH = 256 * 1024;
var http_request_HTTPRequest = (function (_super) {
    http_request_extends(HTTPRequest, _super);
    function HTTPRequest(hooks, method, url) {
        var _this = _super.call(this) || this;
        _this.hooks = hooks;
        _this.method = method;
        _this.url = url;
        return _this;
    }
    HTTPRequest.prototype.start = function (payload) {
        var _this = this;
        this.position = 0;
        this.xhr = this.hooks.getRequest(this);
        this.unloader = function () {
            _this.close();
        };
        runtime.addUnloadListener(this.unloader);
        this.xhr.open(this.method, this.url, true);
        if (this.xhr.setRequestHeader) {
            this.xhr.setRequestHeader('Content-Type', 'application/json');
        }
        this.xhr.send(payload);
    };
    HTTPRequest.prototype.close = function () {
        if (this.unloader) {
            runtime.removeUnloadListener(this.unloader);
            this.unloader = null;
        }
        if (this.xhr) {
            this.hooks.abortRequest(this.xhr);
            this.xhr = null;
        }
    };
    HTTPRequest.prototype.onChunk = function (status, data) {
        while (true) {
            var chunk = this.advanceBuffer(data);
            if (chunk) {
                this.emit('chunk', { status: status, data: chunk });
            }
            else {
                break;
            }
        }
        if (this.isBufferTooLong(data)) {
            this.emit('buffer_too_long');
        }
    };
    HTTPRequest.prototype.advanceBuffer = function (buffer) {
        var unreadData = buffer.slice(this.position);
        var endOfLinePosition = unreadData.indexOf('\n');
        if (endOfLinePosition !== -1) {
            this.position += endOfLinePosition + 1;
            return unreadData.slice(0, endOfLinePosition);
        }
        else {
            return null;
        }
    };
    HTTPRequest.prototype.isBufferTooLong = function (buffer) {
        return this.position === buffer.length && buffer.length > MAX_BUFFER_LENGTH;
    };
    return HTTPRequest;
}(dispatcher));
/* harmony default export */ var http_request = (http_request_HTTPRequest);

// CONCATENATED MODULE: ./src/core/http/state.ts
var State;
(function (State) {
    State[State["CONNECTING"] = 0] = "CONNECTING";
    State[State["OPEN"] = 1] = "OPEN";
    State[State["CLOSED"] = 3] = "CLOSED";
})(State || (State = {}));
/* harmony default export */ var state = (State);

// CONCATENATED MODULE: ./src/core/http/http_socket.ts



var autoIncrement = 1;
var http_socket_HTTPSocket = (function () {
    function HTTPSocket(hooks, url) {
        this.hooks = hooks;
        this.session = randomNumber(1000) + '/' + randomString(8);
        this.location = getLocation(url);
        this.readyState = state.CONNECTING;
        this.openStream();
    }
    HTTPSocket.prototype.send = function (payload) {
        return this.sendRaw(JSON.stringify([payload]));
    };
    HTTPSocket.prototype.ping = function () {
        this.hooks.sendHeartbeat(this);
    };
    HTTPSocket.prototype.close = function (code, reason) {
        this.onClose(code, reason, true);
    };
    HTTPSocket.prototype.sendRaw = function (payload) {
        if (this.readyState === state.OPEN) {
            try {
                runtime.createSocketRequest('POST', getUniqueURL(getSendURL(this.location, this.session))).start(payload);
                return true;
            }
            catch (e) {
                return false;
            }
        }
        else {
            return false;
        }
    };
    HTTPSocket.prototype.reconnect = function () {
        this.closeStream();
        this.openStream();
    };
    HTTPSocket.prototype.onClose = function (code, reason, wasClean) {
        this.closeStream();
        this.readyState = state.CLOSED;
        if (this.onclose) {
            this.onclose({
                code: code,
                reason: reason,
                wasClean: wasClean
            });
        }
    };
    HTTPSocket.prototype.onChunk = function (chunk) {
        if (chunk.status !== 200) {
            return;
        }
        if (this.readyState === state.OPEN) {
            this.onActivity();
        }
        var payload;
        var type = chunk.data.slice(0, 1);
        switch (type) {
            case 'o':
                payload = JSON.parse(chunk.data.slice(1) || '{}');
                this.onOpen(payload);
                break;
            case 'a':
                payload = JSON.parse(chunk.data.slice(1) || '[]');
                for (var i = 0; i < payload.length; i++) {
                    this.onEvent(payload[i]);
                }
                break;
            case 'm':
                payload = JSON.parse(chunk.data.slice(1) || 'null');
                this.onEvent(payload);
                break;
            case 'h':
                this.hooks.onHeartbeat(this);
                break;
            case 'c':
                payload = JSON.parse(chunk.data.slice(1) || '[]');
                this.onClose(payload[0], payload[1], true);
                break;
        }
    };
    HTTPSocket.prototype.onOpen = function (options) {
        if (this.readyState === state.CONNECTING) {
            if (options && options.hostname) {
                this.location.base = replaceHost(this.location.base, options.hostname);
            }
            this.readyState = state.OPEN;
            if (this.onopen) {
                this.onopen();
            }
        }
        else {
            this.onClose(1006, 'Server lost session', true);
        }
    };
    HTTPSocket.prototype.onEvent = function (event) {
        if (this.readyState === state.OPEN && this.onmessage) {
            this.onmessage({ data: event });
        }
    };
    HTTPSocket.prototype.onActivity = function () {
        if (this.onactivity) {
            this.onactivity();
        }
    };
    HTTPSocket.prototype.onError = function (error) {
        if (this.onerror) {
            this.onerror(error);
        }
    };
    HTTPSocket.prototype.openStream = function () {
        var _this = this;
        this.stream = runtime.createSocketRequest('POST', getUniqueURL(this.hooks.getReceiveURL(this.location, this.session)));
        this.stream.bind('chunk', function (chunk) {
            _this.onChunk(chunk);
        });
        this.stream.bind('finished', function (status) {
            _this.hooks.onFinished(_this, status);
        });
        this.stream.bind('buffer_too_long', function () {
            _this.reconnect();
        });
        try {
            this.stream.start();
        }
        catch (error) {
            util.defer(function () {
                _this.onError(error);
                _this.onClose(1006, 'Could not start streaming', false);
            });
        }
    };
    HTTPSocket.prototype.closeStream = function () {
        if (this.stream) {
            this.stream.unbind_all();
            this.stream.close();
            this.stream = null;
        }
    };
    return HTTPSocket;
}());
function getLocation(url) {
    var parts = /([^\?]*)\/*(\??.*)/.exec(url);
    return {
        base: parts[1],
        queryString: parts[2]
    };
}
function getSendURL(url, session) {
    return url.base + '/' + session + '/xhr_send';
}
function getUniqueURL(url) {
    var separator = url.indexOf('?') === -1 ? '?' : '&';
    return url + separator + 't=' + +new Date() + '&n=' + autoIncrement++;
}
function replaceHost(url, hostname) {
    var urlParts = /(https?:\/\/)([^\/:]+)((\/|:)?.*)/.exec(url);
    return urlParts[1] + hostname + urlParts[3];
}
function randomNumber(max) {
    return Math.floor(Math.random() * max);
}
function randomString(length) {
    var result = [];
    for (var i = 0; i < length; i++) {
        result.push(randomNumber(32).toString(32));
    }
    return result.join('');
}
/* harmony default export */ var http_socket = (http_socket_HTTPSocket);

// CONCATENATED MODULE: ./src/core/http/http_streaming_socket.ts
var http_streaming_socket_hooks = {
    getReceiveURL: function (url, session) {
        return url.base + '/' + session + '/xhr_streaming' + url.queryString;
    },
    onHeartbeat: function (socket) {
        socket.sendRaw('[]');
    },
    sendHeartbeat: function (socket) {
        socket.sendRaw('[]');
    },
    onFinished: function (socket, status) {
        socket.onClose(1006, 'Connection interrupted (' + status + ')', false);
    }
};
/* harmony default export */ var http_streaming_socket = (http_streaming_socket_hooks);

// CONCATENATED MODULE: ./src/core/http/http_polling_socket.ts
var http_polling_socket_hooks = {
    getReceiveURL: function (url, session) {
        return url.base + '/' + session + '/xhr' + url.queryString;
    },
    onHeartbeat: function () {
    },
    sendHeartbeat: function (socket) {
        socket.sendRaw('[]');
    },
    onFinished: function (socket, status) {
        if (status === 200) {
            socket.reconnect();
        }
        else {
            socket.onClose(1006, 'Connection interrupted (' + status + ')', false);
        }
    }
};
/* harmony default export */ var http_polling_socket = (http_polling_socket_hooks);

// CONCATENATED MODULE: ./src/runtimes/isomorphic/http/http_xhr_request.ts

var http_xhr_request_hooks = {
    getRequest: function (socket) {
        var Constructor = runtime.getXHRAPI();
        var xhr = new Constructor();
        xhr.onreadystatechange = xhr.onprogress = function () {
            switch (xhr.readyState) {
                case 3:
                    if (xhr.responseText && xhr.responseText.length > 0) {
                        socket.onChunk(xhr.status, xhr.responseText);
                    }
                    break;
                case 4:
                    if (xhr.responseText && xhr.responseText.length > 0) {
                        socket.onChunk(xhr.status, xhr.responseText);
                    }
                    socket.emit('finished', xhr.status);
                    socket.close();
                    break;
            }
        };
        return xhr;
    },
    abortRequest: function (xhr) {
        xhr.onreadystatechange = null;
        xhr.abort();
    }
};
/* harmony default export */ var http_xhr_request = (http_xhr_request_hooks);

// CONCATENATED MODULE: ./src/runtimes/isomorphic/http/http.ts





var HTTP = {
    createStreamingSocket: function (url) {
        return this.createSocket(http_streaming_socket, url);
    },
    createPollingSocket: function (url) {
        return this.createSocket(http_polling_socket, url);
    },
    createSocket: function (hooks, url) {
        return new http_socket(hooks, url);
    },
    createXHR: function (method, url) {
        return this.createRequest(http_xhr_request, method, url);
    },
    createRequest: function (hooks, method, url) {
        return new http_request(hooks, method, url);
    }
};
/* harmony default export */ var http_http = (HTTP);

// CONCATENATED MODULE: ./src/runtimes/web/http/http.ts


http_http.createXDR = function (method, url) {
    return this.createRequest(http_xdomain_request, method, url);
};
/* harmony default export */ var web_http_http = (http_http);

// CONCATENATED MODULE: ./src/runtimes/web/runtime.ts












var Runtime = {
    nextAuthCallbackID: 1,
    auth_callbacks: {},
    ScriptReceivers: ScriptReceivers,
    DependenciesReceivers: DependenciesReceivers,
    getDefaultStrategy: default_strategy,
    Transports: transports_transports,
    transportConnectionInitializer: transport_connection_initializer,
    HTTPFactory: web_http_http,
    TimelineTransport: jsonp_timeline,
    getXHRAPI: function () {
        return window.XMLHttpRequest;
    },
    getWebSocketAPI: function () {
        return window.WebSocket || window.MozWebSocket;
    },
    setup: function (PusherClass) {
        var _this = this;
        window.Pusher = PusherClass;
        var initializeOnDocumentBody = function () {
            _this.onDocumentBody(PusherClass.ready);
        };
        if (!window.JSON) {
            Dependencies.load('json2', {}, initializeOnDocumentBody);
        }
        else {
            initializeOnDocumentBody();
        }
    },
    getDocument: function () {
        return document;
    },
    getProtocol: function () {
        return this.getDocument().location.protocol;
    },
    getAuthorizers: function () {
        return { ajax: xhr_auth, jsonp: jsonp_auth };
    },
    onDocumentBody: function (callback) {
        var _this = this;
        if (document.body) {
            callback();
        }
        else {
            setTimeout(function () {
                _this.onDocumentBody(callback);
            }, 0);
        }
    },
    createJSONPRequest: function (url, data) {
        return new jsonp_request(url, data);
    },
    createScriptRequest: function (src) {
        return new script_request(src);
    },
    getLocalStorage: function () {
        try {
            return window.localStorage;
        }
        catch (e) {
            return undefined;
        }
    },
    createXHR: function () {
        if (this.getXHRAPI()) {
            return this.createXMLHttpRequest();
        }
        else {
            return this.createMicrosoftXHR();
        }
    },
    createXMLHttpRequest: function () {
        var Constructor = this.getXHRAPI();
        return new Constructor();
    },
    createMicrosoftXHR: function () {
        return new ActiveXObject('Microsoft.XMLHTTP');
    },
    getNetwork: function () {
        return net_info_Network;
    },
    createWebSocket: function (url) {
        var Constructor = this.getWebSocketAPI();
        return new Constructor(url);
    },
    createSocketRequest: function (method, url) {
        if (this.isXHRSupported()) {
            return this.HTTPFactory.createXHR(method, url);
        }
        else if (this.isXDRSupported(url.indexOf('https:') === 0)) {
            return this.HTTPFactory.createXDR(method, url);
        }
        else {
            throw 'Cross-origin HTTP requests are not supported';
        }
    },
    isXHRSupported: function () {
        var Constructor = this.getXHRAPI();
        return (Boolean(Constructor) && new Constructor().withCredentials !== undefined);
    },
    isXDRSupported: function (useTLS) {
        var protocol = useTLS ? 'https:' : 'http:';
        var documentProtocol = this.getProtocol();
        return (Boolean(window['XDomainRequest']) && documentProtocol === protocol);
    },
    addUnloadListener: function (listener) {
        if (window.addEventListener !== undefined) {
            window.addEventListener('unload', listener, false);
        }
        else if (window.attachEvent !== undefined) {
            window.attachEvent('onunload', listener);
        }
    },
    removeUnloadListener: function (listener) {
        if (window.addEventListener !== undefined) {
            window.removeEventListener('unload', listener, false);
        }
        else if (window.detachEvent !== undefined) {
            window.detachEvent('onunload', listener);
        }
    }
};
/* harmony default export */ var runtime = (Runtime);

// CONCATENATED MODULE: ./src/core/timeline/level.ts
var TimelineLevel;
(function (TimelineLevel) {
    TimelineLevel[TimelineLevel["ERROR"] = 3] = "ERROR";
    TimelineLevel[TimelineLevel["INFO"] = 6] = "INFO";
    TimelineLevel[TimelineLevel["DEBUG"] = 7] = "DEBUG";
})(TimelineLevel || (TimelineLevel = {}));
/* harmony default export */ var timeline_level = (TimelineLevel);

// CONCATENATED MODULE: ./src/core/timeline/timeline.ts



var timeline_Timeline = (function () {
    function Timeline(key, session, options) {
        this.key = key;
        this.session = session;
        this.events = [];
        this.options = options || {};
        this.sent = 0;
        this.uniqueID = 0;
    }
    Timeline.prototype.log = function (level, event) {
        if (level <= this.options.level) {
            this.events.push(extend({}, event, { timestamp: util.now() }));
            if (this.options.limit && this.events.length > this.options.limit) {
                this.events.shift();
            }
        }
    };
    Timeline.prototype.error = function (event) {
        this.log(timeline_level.ERROR, event);
    };
    Timeline.prototype.info = function (event) {
        this.log(timeline_level.INFO, event);
    };
    Timeline.prototype.debug = function (event) {
        this.log(timeline_level.DEBUG, event);
    };
    Timeline.prototype.isEmpty = function () {
        return this.events.length === 0;
    };
    Timeline.prototype.send = function (sendfn, callback) {
        var _this = this;
        var data = extend({
            session: this.session,
            bundle: this.sent + 1,
            key: this.key,
            lib: 'js',
            version: this.options.version,
            cluster: this.options.cluster,
            features: this.options.features,
            timeline: this.events
        }, this.options.params);
        this.events = [];
        sendfn(data, function (error, result) {
            if (!error) {
                _this.sent++;
            }
            if (callback) {
                callback(error, result);
            }
        });
        return true;
    };
    Timeline.prototype.generateUniqueID = function () {
        this.uniqueID++;
        return this.uniqueID;
    };
    return Timeline;
}());
/* harmony default export */ var timeline_timeline = (timeline_Timeline);

// CONCATENATED MODULE: ./src/core/strategies/transport_strategy.ts




var transport_strategy_TransportStrategy = (function () {
    function TransportStrategy(name, priority, transport, options) {
        this.name = name;
        this.priority = priority;
        this.transport = transport;
        this.options = options || {};
    }
    TransportStrategy.prototype.isSupported = function () {
        return this.transport.isSupported({
            useTLS: this.options.useTLS
        });
    };
    TransportStrategy.prototype.connect = function (minPriority, callback) {
        var _this = this;
        if (!this.isSupported()) {
            return failAttempt(new UnsupportedStrategy(), callback);
        }
        else if (this.priority < minPriority) {
            return failAttempt(new TransportPriorityTooLow(), callback);
        }
        var connected = false;
        var transport = this.transport.createConnection(this.name, this.priority, this.options.key, this.options);
        var handshake = null;
        var onInitialized = function () {
            transport.unbind('initialized', onInitialized);
            transport.connect();
        };
        var onOpen = function () {
            handshake = factory.createHandshake(transport, function (result) {
                connected = true;
                unbindListeners();
                callback(null, result);
            });
        };
        var onError = function (error) {
            unbindListeners();
            callback(error);
        };
        var onClosed = function () {
            unbindListeners();
            var serializedTransport;
            serializedTransport = safeJSONStringify(transport);
            callback(new TransportClosed(serializedTransport));
        };
        var unbindListeners = function () {
            transport.unbind('initialized', onInitialized);
            transport.unbind('open', onOpen);
            transport.unbind('error', onError);
            transport.unbind('closed', onClosed);
        };
        transport.bind('initialized', onInitialized);
        transport.bind('open', onOpen);
        transport.bind('error', onError);
        transport.bind('closed', onClosed);
        transport.initialize();
        return {
            abort: function () {
                if (connected) {
                    return;
                }
                unbindListeners();
                if (handshake) {
                    handshake.close();
                }
                else {
                    transport.close();
                }
            },
            forceMinPriority: function (p) {
                if (connected) {
                    return;
                }
                if (_this.priority < p) {
                    if (handshake) {
                        handshake.close();
                    }
                    else {
                        transport.close();
                    }
                }
            }
        };
    };
    return TransportStrategy;
}());
/* harmony default export */ var transport_strategy = (transport_strategy_TransportStrategy);
function failAttempt(error, callback) {
    util.defer(function () {
        callback(error);
    });
    return {
        abort: function () { },
        forceMinPriority: function () { }
    };
}

// CONCATENATED MODULE: ./src/core/strategies/strategy_builder.ts





var strategy_builder_Transports = runtime.Transports;
var strategy_builder_defineTransport = function (config, name, type, priority, options, manager) {
    var transportClass = strategy_builder_Transports[type];
    if (!transportClass) {
        throw new UnsupportedTransport(type);
    }
    var enabled = (!config.enabledTransports ||
        arrayIndexOf(config.enabledTransports, name) !== -1) &&
        (!config.disabledTransports ||
            arrayIndexOf(config.disabledTransports, name) === -1);
    var transport;
    if (enabled) {
        options = Object.assign({ ignoreNullOrigin: config.ignoreNullOrigin }, options);
        transport = new transport_strategy(name, priority, manager ? manager.getAssistant(transportClass) : transportClass, options);
    }
    else {
        transport = strategy_builder_UnsupportedStrategy;
    }
    return transport;
};
var strategy_builder_UnsupportedStrategy = {
    isSupported: function () {
        return false;
    },
    connect: function (_, callback) {
        var deferred = util.defer(function () {
            callback(new UnsupportedStrategy());
        });
        return {
            abort: function () {
                deferred.ensureAborted();
            },
            forceMinPriority: function () { }
        };
    }
};

// CONCATENATED MODULE: ./src/core/config.ts


function getConfig(opts) {
    var config = {
        activityTimeout: opts.activityTimeout || defaults.activityTimeout,
        authEndpoint: opts.authEndpoint || defaults.authEndpoint,
        authTransport: opts.authTransport || defaults.authTransport,
        cluster: opts.cluster || defaults.cluster,
        httpPath: opts.httpPath || defaults.httpPath,
        httpPort: opts.httpPort || defaults.httpPort,
        httpsPort: opts.httpsPort || defaults.httpsPort,
        pongTimeout: opts.pongTimeout || defaults.pongTimeout,
        statsHost: opts.statsHost || defaults.stats_host,
        unavailableTimeout: opts.unavailableTimeout || defaults.unavailableTimeout,
        wsPath: opts.wsPath || defaults.wsPath,
        wsPort: opts.wsPort || defaults.wsPort,
        wssPort: opts.wssPort || defaults.wssPort,
        enableStats: getEnableStatsConfig(opts),
        httpHost: getHttpHost(opts),
        useTLS: shouldUseTLS(opts),
        wsHost: getWebsocketHost(opts)
    };
    if ('auth' in opts)
        config.auth = opts.auth;
    if ('authorizer' in opts)
        config.authorizer = opts.authorizer;
    if ('disabledTransports' in opts)
        config.disabledTransports = opts.disabledTransports;
    if ('enabledTransports' in opts)
        config.enabledTransports = opts.enabledTransports;
    if ('ignoreNullOrigin' in opts)
        config.ignoreNullOrigin = opts.ignoreNullOrigin;
    if ('timelineParams' in opts)
        config.timelineParams = opts.timelineParams;
    if ('nacl' in opts) {
        config.nacl = opts.nacl;
    }
    return config;
}
function getHttpHost(opts) {
    if (opts.httpHost) {
        return opts.httpHost;
    }
    if (opts.cluster) {
        return "sockjs-" + opts.cluster + ".pusher.com";
    }
    return defaults.httpHost;
}
function getWebsocketHost(opts) {
    if (opts.wsHost) {
        return opts.wsHost;
    }
    if (opts.cluster) {
        return getWebsocketHostFromCluster(opts.cluster);
    }
    return getWebsocketHostFromCluster(defaults.cluster);
}
function getWebsocketHostFromCluster(cluster) {
    return "ws-" + cluster + ".pusher.com";
}
function shouldUseTLS(opts) {
    if (runtime.getProtocol() === 'https:') {
        return true;
    }
    else if (opts.forceTLS === false) {
        return false;
    }
    return true;
}
function getEnableStatsConfig(opts) {
    if ('enableStats' in opts) {
        return opts.enableStats;
    }
    if ('disableStats' in opts) {
        return !opts.disableStats;
    }
    return false;
}

// CONCATENATED MODULE: ./src/core/pusher.ts












var pusher_Pusher = (function () {
    function Pusher(app_key, options) {
        var _this = this;
        checkAppKey(app_key);
        options = options || {};
        if (!options.cluster && !(options.wsHost || options.httpHost)) {
            var suffix = url_store.buildLogSuffix('javascriptQuickStart');
            logger.warn("You should always specify a cluster when connecting. " + suffix);
        }
        if ('disableStats' in options) {
            logger.warn('The disableStats option is deprecated in favor of enableStats');
        }
        this.key = app_key;
        this.config = getConfig(options);
        this.channels = factory.createChannels();
        this.global_emitter = new dispatcher();
        this.sessionID = Math.floor(Math.random() * 1000000000);
        this.timeline = new timeline_timeline(this.key, this.sessionID, {
            cluster: this.config.cluster,
            features: Pusher.getClientFeatures(),
            params: this.config.timelineParams || {},
            limit: 50,
            level: timeline_level.INFO,
            version: defaults.VERSION
        });
        if (this.config.enableStats) {
            this.timelineSender = factory.createTimelineSender(this.timeline, {
                host: this.config.statsHost,
                path: '/timeline/v2/' + runtime.TimelineTransport.name
            });
        }
        var getStrategy = function (options) {
            return runtime.getDefaultStrategy(_this.config, options, strategy_builder_defineTransport);
        };
        this.connection = factory.createConnectionManager(this.key, {
            getStrategy: getStrategy,
            timeline: this.timeline,
            activityTimeout: this.config.activityTimeout,
            pongTimeout: this.config.pongTimeout,
            unavailableTimeout: this.config.unavailableTimeout,
            useTLS: Boolean(this.config.useTLS)
        });
        this.connection.bind('connected', function () {
            _this.subscribeAll();
            if (_this.timelineSender) {
                _this.timelineSender.send(_this.connection.isUsingTLS());
            }
        });
        this.connection.bind('message', function (event) {
            var eventName = event.event;
            var internal = eventName.indexOf('pusher_internal:') === 0;
            if (event.channel) {
                var channel = _this.channel(event.channel);
                if (channel) {
                    channel.handleEvent(event);
                }
            }
            if (!internal) {
                _this.global_emitter.emit(event.event, event.data);
            }
        });
        this.connection.bind('connecting', function () {
            _this.channels.disconnect();
        });
        this.connection.bind('disconnected', function () {
            _this.channels.disconnect();
        });
        this.connection.bind('error', function (err) {
            logger.warn(err);
        });
        Pusher.instances.push(this);
        this.timeline.info({ instances: Pusher.instances.length });
        if (Pusher.isReady) {
            this.connect();
        }
    }
    Pusher.ready = function () {
        Pusher.isReady = true;
        for (var i = 0, l = Pusher.instances.length; i < l; i++) {
            Pusher.instances[i].connect();
        }
    };
    Pusher.getClientFeatures = function () {
        return keys(filterObject({ ws: runtime.Transports.ws }, function (t) {
            return t.isSupported({});
        }));
    };
    Pusher.prototype.channel = function (name) {
        return this.channels.find(name);
    };
    Pusher.prototype.allChannels = function () {
        return this.channels.all();
    };
    Pusher.prototype.connect = function () {
        this.connection.connect();
        if (this.timelineSender) {
            if (!this.timelineSenderTimer) {
                var usingTLS = this.connection.isUsingTLS();
                var timelineSender = this.timelineSender;
                this.timelineSenderTimer = new PeriodicTimer(60000, function () {
                    timelineSender.send(usingTLS);
                });
            }
        }
    };
    Pusher.prototype.disconnect = function () {
        this.connection.disconnect();
        if (this.timelineSenderTimer) {
            this.timelineSenderTimer.ensureAborted();
            this.timelineSenderTimer = null;
        }
    };
    Pusher.prototype.bind = function (event_name, callback, context) {
        this.global_emitter.bind(event_name, callback, context);
        return this;
    };
    Pusher.prototype.unbind = function (event_name, callback, context) {
        this.global_emitter.unbind(event_name, callback, context);
        return this;
    };
    Pusher.prototype.bind_global = function (callback) {
        this.global_emitter.bind_global(callback);
        return this;
    };
    Pusher.prototype.unbind_global = function (callback) {
        this.global_emitter.unbind_global(callback);
        return this;
    };
    Pusher.prototype.unbind_all = function (callback) {
        this.global_emitter.unbind_all();
        return this;
    };
    Pusher.prototype.subscribeAll = function () {
        var channelName;
        for (channelName in this.channels.channels) {
            if (this.channels.channels.hasOwnProperty(channelName)) {
                this.subscribe(channelName);
            }
        }
    };
    Pusher.prototype.subscribe = function (channel_name) {
        var channel = this.channels.add(channel_name, this);
        if (channel.subscriptionPending && channel.subscriptionCancelled) {
            channel.reinstateSubscription();
        }
        else if (!channel.subscriptionPending &&
            this.connection.state === 'connected') {
            channel.subscribe();
        }
        return channel;
    };
    Pusher.prototype.unsubscribe = function (channel_name) {
        var channel = this.channels.find(channel_name);
        if (channel && channel.subscriptionPending) {
            channel.cancelSubscription();
        }
        else {
            channel = this.channels.remove(channel_name);
            if (channel && channel.subscribed) {
                channel.unsubscribe();
            }
        }
    };
    Pusher.prototype.send_event = function (event_name, data, channel) {
        return this.connection.send_event(event_name, data, channel);
    };
    Pusher.prototype.shouldUseTLS = function () {
        return this.config.useTLS;
    };
    Pusher.instances = [];
    Pusher.isReady = false;
    Pusher.logToConsole = false;
    Pusher.Runtime = runtime;
    Pusher.ScriptReceivers = runtime.ScriptReceivers;
    Pusher.DependenciesReceivers = runtime.DependenciesReceivers;
    Pusher.auth_callbacks = runtime.auth_callbacks;
    return Pusher;
}());
/* harmony default export */ var core_pusher = __webpack_exports__["default"] = (pusher_Pusher);
function checkAppKey(key) {
    if (key === null || key === undefined) {
        throw 'You must pass your app key when you instantiate Pusher.';
    }
}
runtime.setup(pusher_Pusher);


/***/ })
/******/ ]);
});

/***/ }),

/***/ "./node_modules/setimmediate/setImmediate.js":
/*!***************************************************!*\
  !*** ./node_modules/setimmediate/setImmediate.js ***!
  \***************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global, process) {(function (global, undefined) {
    "use strict";

    if (global.setImmediate) {
        return;
    }

    var nextHandle = 1; // Spec says greater than zero
    var tasksByHandle = {};
    var currentlyRunningATask = false;
    var doc = global.document;
    var registerImmediate;

    function setImmediate(callback) {
      // Callback can either be a function or a string
      if (typeof callback !== "function") {
        callback = new Function("" + callback);
      }
      // Copy function arguments
      var args = new Array(arguments.length - 1);
      for (var i = 0; i < args.length; i++) {
          args[i] = arguments[i + 1];
      }
      // Store and register the task
      var task = { callback: callback, args: args };
      tasksByHandle[nextHandle] = task;
      registerImmediate(nextHandle);
      return nextHandle++;
    }

    function clearImmediate(handle) {
        delete tasksByHandle[handle];
    }

    function run(task) {
        var callback = task.callback;
        var args = task.args;
        switch (args.length) {
        case 0:
            callback();
            break;
        case 1:
            callback(args[0]);
            break;
        case 2:
            callback(args[0], args[1]);
            break;
        case 3:
            callback(args[0], args[1], args[2]);
            break;
        default:
            callback.apply(undefined, args);
            break;
        }
    }

    function runIfPresent(handle) {
        // From the spec: "Wait until any invocations of this algorithm started before this one have completed."
        // So if we're currently running a task, we'll need to delay this invocation.
        if (currentlyRunningATask) {
            // Delay by doing a setTimeout. setImmediate was tried instead, but in Firefox 7 it generated a
            // "too much recursion" error.
            setTimeout(runIfPresent, 0, handle);
        } else {
            var task = tasksByHandle[handle];
            if (task) {
                currentlyRunningATask = true;
                try {
                    run(task);
                } finally {
                    clearImmediate(handle);
                    currentlyRunningATask = false;
                }
            }
        }
    }

    function installNextTickImplementation() {
        registerImmediate = function(handle) {
            process.nextTick(function () { runIfPresent(handle); });
        };
    }

    function canUsePostMessage() {
        // The test against `importScripts` prevents this implementation from being installed inside a web worker,
        // where `global.postMessage` means something completely different and can't be used for this purpose.
        if (global.postMessage && !global.importScripts) {
            var postMessageIsAsynchronous = true;
            var oldOnMessage = global.onmessage;
            global.onmessage = function() {
                postMessageIsAsynchronous = false;
            };
            global.postMessage("", "*");
            global.onmessage = oldOnMessage;
            return postMessageIsAsynchronous;
        }
    }

    function installPostMessageImplementation() {
        // Installs an event handler on `global` for the `message` event: see
        // * https://developer.mozilla.org/en/DOM/window.postMessage
        // * http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#crossDocumentMessages

        var messagePrefix = "setImmediate$" + Math.random() + "$";
        var onGlobalMessage = function(event) {
            if (event.source === global &&
                typeof event.data === "string" &&
                event.data.indexOf(messagePrefix) === 0) {
                runIfPresent(+event.data.slice(messagePrefix.length));
            }
        };

        if (global.addEventListener) {
            global.addEventListener("message", onGlobalMessage, false);
        } else {
            global.attachEvent("onmessage", onGlobalMessage);
        }

        registerImmediate = function(handle) {
            global.postMessage(messagePrefix + handle, "*");
        };
    }

    function installMessageChannelImplementation() {
        var channel = new MessageChannel();
        channel.port1.onmessage = function(event) {
            var handle = event.data;
            runIfPresent(handle);
        };

        registerImmediate = function(handle) {
            channel.port2.postMessage(handle);
        };
    }

    function installReadyStateChangeImplementation() {
        var html = doc.documentElement;
        registerImmediate = function(handle) {
            // Create a <script> element; its readystatechange event will be fired asynchronously once it is inserted
            // into the document. Do so, thus queuing up the task. Remember to clean up once it's been called.
            var script = doc.createElement("script");
            script.onreadystatechange = function () {
                runIfPresent(handle);
                script.onreadystatechange = null;
                html.removeChild(script);
                script = null;
            };
            html.appendChild(script);
        };
    }

    function installSetTimeoutImplementation() {
        registerImmediate = function(handle) {
            setTimeout(runIfPresent, 0, handle);
        };
    }

    // If supported, we should attach to the prototype of global, since that is where setTimeout et al. live.
    var attachTo = Object.getPrototypeOf && Object.getPrototypeOf(global);
    attachTo = attachTo && attachTo.setTimeout ? attachTo : global;

    // Don't get fooled by e.g. browserify environments.
    if ({}.toString.call(global.process) === "[object process]") {
        // For Node.js before 0.9
        installNextTickImplementation();

    } else if (canUsePostMessage()) {
        // For non-IE10 modern browsers
        installPostMessageImplementation();

    } else if (global.MessageChannel) {
        // For web workers, where supported
        installMessageChannelImplementation();

    } else if (doc && "onreadystatechange" in doc.createElement("script")) {
        // For IE 6–8
        installReadyStateChangeImplementation();

    } else {
        // For older browsers
        installSetTimeoutImplementation();
    }

    attachTo.setImmediate = setImmediate;
    attachTo.clearImmediate = clearImmediate;
}(typeof self === "undefined" ? typeof global === "undefined" ? this : global : self));

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js"), __webpack_require__(/*! ./../process/browser.js */ "./node_modules/process/browser.js")))

/***/ }),

/***/ "./node_modules/style-loader/index.js!./node_modules/css-loader/index.js?!./node_modules/vue-loader/lib/loaders/stylePostLoader.js!./node_modules/postcss-loader/src/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/chatrooms/chatrooms-index.vue?vue&type=style&index=0&lang=css&":
/*!***********************************************************************************************************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/style-loader!./node_modules/css-loader??ref--6-1!./node_modules/vue-loader/lib/loaders/stylePostLoader.js!./node_modules/postcss-loader/src??ref--6-2!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/chatrooms/chatrooms-index.vue?vue&type=style&index=0&lang=css& ***!
  \***********************************************************************************************************************************************************************************************************************************************************************************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {


var content = __webpack_require__(/*! !../../../../node_modules/css-loader??ref--6-1!../../../../node_modules/vue-loader/lib/loaders/stylePostLoader.js!../../../../node_modules/postcss-loader/src??ref--6-2!../../../../node_modules/vue-loader/lib??vue-loader-options!./chatrooms-index.vue?vue&type=style&index=0&lang=css& */ "./node_modules/css-loader/index.js?!./node_modules/vue-loader/lib/loaders/stylePostLoader.js!./node_modules/postcss-loader/src/index.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/chatrooms/chatrooms-index.vue?vue&type=style&index=0&lang=css&");

if(typeof content === 'string') content = [[module.i, content, '']];

var transform;
var insertInto;



var options = {"hmr":true}

options.transform = transform
options.insertInto = undefined;

var update = __webpack_require__(/*! ../../../../node_modules/style-loader/lib/addStyles.js */ "./node_modules/style-loader/lib/addStyles.js")(content, options);

if(content.locals) module.exports = content.locals;

if(false) {}

/***/ }),

/***/ "./node_modules/style-loader/lib/addStyles.js":
/*!****************************************************!*\
  !*** ./node_modules/style-loader/lib/addStyles.js ***!
  \****************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

var stylesInDom = {};

var	memoize = function (fn) {
	var memo;

	return function () {
		if (typeof memo === "undefined") memo = fn.apply(this, arguments);
		return memo;
	};
};

var isOldIE = memoize(function () {
	// Test for IE <= 9 as proposed by Browserhacks
	// @see http://browserhacks.com/#hack-e71d8692f65334173fee715c222cb805
	// Tests for existence of standard globals is to allow style-loader
	// to operate correctly into non-standard environments
	// @see https://github.com/webpack-contrib/style-loader/issues/177
	return window && document && document.all && !window.atob;
});

var getTarget = function (target, parent) {
  if (parent){
    return parent.querySelector(target);
  }
  return document.querySelector(target);
};

var getElement = (function (fn) {
	var memo = {};

	return function(target, parent) {
                // If passing function in options, then use it for resolve "head" element.
                // Useful for Shadow Root style i.e
                // {
                //   insertInto: function () { return document.querySelector("#foo").shadowRoot }
                // }
                if (typeof target === 'function') {
                        return target();
                }
                if (typeof memo[target] === "undefined") {
			var styleTarget = getTarget.call(this, target, parent);
			// Special case to return head of iframe instead of iframe itself
			if (window.HTMLIFrameElement && styleTarget instanceof window.HTMLIFrameElement) {
				try {
					// This will throw an exception if access to iframe is blocked
					// due to cross-origin restrictions
					styleTarget = styleTarget.contentDocument.head;
				} catch(e) {
					styleTarget = null;
				}
			}
			memo[target] = styleTarget;
		}
		return memo[target]
	};
})();

var singleton = null;
var	singletonCounter = 0;
var	stylesInsertedAtTop = [];

var	fixUrls = __webpack_require__(/*! ./urls */ "./node_modules/style-loader/lib/urls.js");

module.exports = function(list, options) {
	if (typeof DEBUG !== "undefined" && DEBUG) {
		if (typeof document !== "object") throw new Error("The style-loader cannot be used in a non-browser environment");
	}

	options = options || {};

	options.attrs = typeof options.attrs === "object" ? options.attrs : {};

	// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>
	// tags it will allow on a page
	if (!options.singleton && typeof options.singleton !== "boolean") options.singleton = isOldIE();

	// By default, add <style> tags to the <head> element
        if (!options.insertInto) options.insertInto = "head";

	// By default, add <style> tags to the bottom of the target
	if (!options.insertAt) options.insertAt = "bottom";

	var styles = listToStyles(list, options);

	addStylesToDom(styles, options);

	return function update (newList) {
		var mayRemove = [];

		for (var i = 0; i < styles.length; i++) {
			var item = styles[i];
			var domStyle = stylesInDom[item.id];

			domStyle.refs--;
			mayRemove.push(domStyle);
		}

		if(newList) {
			var newStyles = listToStyles(newList, options);
			addStylesToDom(newStyles, options);
		}

		for (var i = 0; i < mayRemove.length; i++) {
			var domStyle = mayRemove[i];

			if(domStyle.refs === 0) {
				for (var j = 0; j < domStyle.parts.length; j++) domStyle.parts[j]();

				delete stylesInDom[domStyle.id];
			}
		}
	};
};

function addStylesToDom (styles, options) {
	for (var i = 0; i < styles.length; i++) {
		var item = styles[i];
		var domStyle = stylesInDom[item.id];

		if(domStyle) {
			domStyle.refs++;

			for(var j = 0; j < domStyle.parts.length; j++) {
				domStyle.parts[j](item.parts[j]);
			}

			for(; j < item.parts.length; j++) {
				domStyle.parts.push(addStyle(item.parts[j], options));
			}
		} else {
			var parts = [];

			for(var j = 0; j < item.parts.length; j++) {
				parts.push(addStyle(item.parts[j], options));
			}

			stylesInDom[item.id] = {id: item.id, refs: 1, parts: parts};
		}
	}
}

function listToStyles (list, options) {
	var styles = [];
	var newStyles = {};

	for (var i = 0; i < list.length; i++) {
		var item = list[i];
		var id = options.base ? item[0] + options.base : item[0];
		var css = item[1];
		var media = item[2];
		var sourceMap = item[3];
		var part = {css: css, media: media, sourceMap: sourceMap};

		if(!newStyles[id]) styles.push(newStyles[id] = {id: id, parts: [part]});
		else newStyles[id].parts.push(part);
	}

	return styles;
}

function insertStyleElement (options, style) {
	var target = getElement(options.insertInto)

	if (!target) {
		throw new Error("Couldn't find a style target. This probably means that the value for the 'insertInto' parameter is invalid.");
	}

	var lastStyleElementInsertedAtTop = stylesInsertedAtTop[stylesInsertedAtTop.length - 1];

	if (options.insertAt === "top") {
		if (!lastStyleElementInsertedAtTop) {
			target.insertBefore(style, target.firstChild);
		} else if (lastStyleElementInsertedAtTop.nextSibling) {
			target.insertBefore(style, lastStyleElementInsertedAtTop.nextSibling);
		} else {
			target.appendChild(style);
		}
		stylesInsertedAtTop.push(style);
	} else if (options.insertAt === "bottom") {
		target.appendChild(style);
	} else if (typeof options.insertAt === "object" && options.insertAt.before) {
		var nextSibling = getElement(options.insertAt.before, target);
		target.insertBefore(style, nextSibling);
	} else {
		throw new Error("[Style Loader]\n\n Invalid value for parameter 'insertAt' ('options.insertAt') found.\n Must be 'top', 'bottom', or Object.\n (https://github.com/webpack-contrib/style-loader#insertat)\n");
	}
}

function removeStyleElement (style) {
	if (style.parentNode === null) return false;
	style.parentNode.removeChild(style);

	var idx = stylesInsertedAtTop.indexOf(style);
	if(idx >= 0) {
		stylesInsertedAtTop.splice(idx, 1);
	}
}

function createStyleElement (options) {
	var style = document.createElement("style");

	if(options.attrs.type === undefined) {
		options.attrs.type = "text/css";
	}

	if(options.attrs.nonce === undefined) {
		var nonce = getNonce();
		if (nonce) {
			options.attrs.nonce = nonce;
		}
	}

	addAttrs(style, options.attrs);
	insertStyleElement(options, style);

	return style;
}

function createLinkElement (options) {
	var link = document.createElement("link");

	if(options.attrs.type === undefined) {
		options.attrs.type = "text/css";
	}
	options.attrs.rel = "stylesheet";

	addAttrs(link, options.attrs);
	insertStyleElement(options, link);

	return link;
}

function addAttrs (el, attrs) {
	Object.keys(attrs).forEach(function (key) {
		el.setAttribute(key, attrs[key]);
	});
}

function getNonce() {
	if (false) {}

	return __webpack_require__.nc;
}

function addStyle (obj, options) {
	var style, update, remove, result;

	// If a transform function was defined, run it on the css
	if (options.transform && obj.css) {
	    result = typeof options.transform === 'function'
		 ? options.transform(obj.css) 
		 : options.transform.default(obj.css);

	    if (result) {
	    	// If transform returns a value, use that instead of the original css.
	    	// This allows running runtime transformations on the css.
	    	obj.css = result;
	    } else {
	    	// If the transform function returns a falsy value, don't add this css.
	    	// This allows conditional loading of css
	    	return function() {
	    		// noop
	    	};
	    }
	}

	if (options.singleton) {
		var styleIndex = singletonCounter++;

		style = singleton || (singleton = createStyleElement(options));

		update = applyToSingletonTag.bind(null, style, styleIndex, false);
		remove = applyToSingletonTag.bind(null, style, styleIndex, true);

	} else if (
		obj.sourceMap &&
		typeof URL === "function" &&
		typeof URL.createObjectURL === "function" &&
		typeof URL.revokeObjectURL === "function" &&
		typeof Blob === "function" &&
		typeof btoa === "function"
	) {
		style = createLinkElement(options);
		update = updateLink.bind(null, style, options);
		remove = function () {
			removeStyleElement(style);

			if(style.href) URL.revokeObjectURL(style.href);
		};
	} else {
		style = createStyleElement(options);
		update = applyToTag.bind(null, style);
		remove = function () {
			removeStyleElement(style);
		};
	}

	update(obj);

	return function updateStyle (newObj) {
		if (newObj) {
			if (
				newObj.css === obj.css &&
				newObj.media === obj.media &&
				newObj.sourceMap === obj.sourceMap
			) {
				return;
			}

			update(obj = newObj);
		} else {
			remove();
		}
	};
}

var replaceText = (function () {
	var textStore = [];

	return function (index, replacement) {
		textStore[index] = replacement;

		return textStore.filter(Boolean).join('\n');
	};
})();

function applyToSingletonTag (style, index, remove, obj) {
	var css = remove ? "" : obj.css;

	if (style.styleSheet) {
		style.styleSheet.cssText = replaceText(index, css);
	} else {
		var cssNode = document.createTextNode(css);
		var childNodes = style.childNodes;

		if (childNodes[index]) style.removeChild(childNodes[index]);

		if (childNodes.length) {
			style.insertBefore(cssNode, childNodes[index]);
		} else {
			style.appendChild(cssNode);
		}
	}
}

function applyToTag (style, obj) {
	var css = obj.css;
	var media = obj.media;

	if(media) {
		style.setAttribute("media", media)
	}

	if(style.styleSheet) {
		style.styleSheet.cssText = css;
	} else {
		while(style.firstChild) {
			style.removeChild(style.firstChild);
		}

		style.appendChild(document.createTextNode(css));
	}
}

function updateLink (link, options, obj) {
	var css = obj.css;
	var sourceMap = obj.sourceMap;

	/*
		If convertToAbsoluteUrls isn't defined, but sourcemaps are enabled
		and there is no publicPath defined then lets turn convertToAbsoluteUrls
		on by default.  Otherwise default to the convertToAbsoluteUrls option
		directly
	*/
	var autoFixUrls = options.convertToAbsoluteUrls === undefined && sourceMap;

	if (options.convertToAbsoluteUrls || autoFixUrls) {
		css = fixUrls(css);
	}

	if (sourceMap) {
		// http://stackoverflow.com/a/26603875
		css += "\n/*# sourceMappingURL=data:application/json;base64," + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + " */";
	}

	var blob = new Blob([css], { type: "text/css" });

	var oldSrc = link.href;

	link.href = URL.createObjectURL(blob);

	if(oldSrc) URL.revokeObjectURL(oldSrc);
}


/***/ }),

/***/ "./node_modules/style-loader/lib/urls.js":
/*!***********************************************!*\
  !*** ./node_modules/style-loader/lib/urls.js ***!
  \***********************************************/
/*! no static exports found */
/***/ (function(module, exports) {


/**
 * When source maps are enabled, `style-loader` uses a link element with a data-uri to
 * embed the css on the page. This breaks all relative urls because now they are relative to a
 * bundle instead of the current page.
 *
 * One solution is to only use full urls, but that may be impossible.
 *
 * Instead, this function "fixes" the relative urls to be absolute according to the current page location.
 *
 * A rudimentary test suite is located at `test/fixUrls.js` and can be run via the `npm test` command.
 *
 */

module.exports = function (css) {
  // get current location
  var location = typeof window !== "undefined" && window.location;

  if (!location) {
    throw new Error("fixUrls requires window.location");
  }

	// blank or null?
	if (!css || typeof css !== "string") {
	  return css;
  }

  var baseUrl = location.protocol + "//" + location.host;
  var currentDir = baseUrl + location.pathname.replace(/\/[^\/]*$/, "/");

	// convert each url(...)
	/*
	This regular expression is just a way to recursively match brackets within
	a string.

	 /url\s*\(  = Match on the word "url" with any whitespace after it and then a parens
	   (  = Start a capturing group
	     (?:  = Start a non-capturing group
	         [^)(]  = Match anything that isn't a parentheses
	         |  = OR
	         \(  = Match a start parentheses
	             (?:  = Start another non-capturing groups
	                 [^)(]+  = Match anything that isn't a parentheses
	                 |  = OR
	                 \(  = Match a start parentheses
	                     [^)(]*  = Match anything that isn't a parentheses
	                 \)  = Match a end parentheses
	             )  = End Group
              *\) = Match anything and then a close parens
          )  = Close non-capturing group
          *  = Match anything
       )  = Close capturing group
	 \)  = Match a close parens

	 /gi  = Get all matches, not the first.  Be case insensitive.
	 */
	var fixedCss = css.replace(/url\s*\(((?:[^)(]|\((?:[^)(]+|\([^)(]*\))*\))*)\)/gi, function(fullMatch, origUrl) {
		// strip quotes (if they exist)
		var unquotedOrigUrl = origUrl
			.trim()
			.replace(/^"(.*)"$/, function(o, $1){ return $1; })
			.replace(/^'(.*)'$/, function(o, $1){ return $1; });

		// already a full url? no change
		if (/^(#|data:|http:\/\/|https:\/\/|file:\/\/\/|\s*$)/i.test(unquotedOrigUrl)) {
		  return fullMatch;
		}

		// convert the url to a full url
		var newUrl;

		if (unquotedOrigUrl.indexOf("//") === 0) {
		  	//TODO: should we add protocol?
			newUrl = unquotedOrigUrl;
		} else if (unquotedOrigUrl.indexOf("/") === 0) {
			// path should be relative to the base url
			newUrl = baseUrl + unquotedOrigUrl; // already starts with '/'
		} else {
			// path should be relative to current directory
			newUrl = currentDir + unquotedOrigUrl.replace(/^\.\//, ""); // Strip leading './'
		}

		// send back the fixed url(...)
		return "url(" + JSON.stringify(newUrl) + ")";
	});

	// send back the fixed css
	return fixedCss;
};


/***/ }),

/***/ "./node_modules/timers-browserify/main.js":
/*!************************************************!*\
  !*** ./node_modules/timers-browserify/main.js ***!
  \************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

/* WEBPACK VAR INJECTION */(function(global) {var scope = (typeof global !== "undefined" && global) ||
            (typeof self !== "undefined" && self) ||
            window;
var apply = Function.prototype.apply;

// DOM APIs, for completeness

exports.setTimeout = function() {
  return new Timeout(apply.call(setTimeout, scope, arguments), clearTimeout);
};
exports.setInterval = function() {
  return new Timeout(apply.call(setInterval, scope, arguments), clearInterval);
};
exports.clearTimeout =
exports.clearInterval = function(timeout) {
  if (timeout) {
    timeout.close();
  }
};

function Timeout(id, clearFn) {
  this._id = id;
  this._clearFn = clearFn;
}
Timeout.prototype.unref = Timeout.prototype.ref = function() {};
Timeout.prototype.close = function() {
  this._clearFn.call(scope, this._id);
};

// Does not start the time, just sets up the members needed.
exports.enroll = function(item, msecs) {
  clearTimeout(item._idleTimeoutId);
  item._idleTimeout = msecs;
};

exports.unenroll = function(item) {
  clearTimeout(item._idleTimeoutId);
  item._idleTimeout = -1;
};

exports._unrefActive = exports.active = function(item) {
  clearTimeout(item._idleTimeoutId);

  var msecs = item._idleTimeout;
  if (msecs >= 0) {
    item._idleTimeoutId = setTimeout(function onTimeout() {
      if (item._onTimeout)
        item._onTimeout();
    }, msecs);
  }
};

// setimmediate attaches itself to the global object
__webpack_require__(/*! setimmediate */ "./node_modules/setimmediate/setImmediate.js");
// On some exotic environments, it's not clear which object `setimmediate` was
// able to install onto.  Search each possibility in the same order as the
// `setimmediate` library.
exports.setImmediate = (typeof self !== "undefined" && self.setImmediate) ||
                       (typeof global !== "undefined" && global.setImmediate) ||
                       (this && this.setImmediate);
exports.clearImmediate = (typeof self !== "undefined" && self.clearImmediate) ||
                         (typeof global !== "undefined" && global.clearImmediate) ||
                         (this && this.clearImmediate);

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js")))

/***/ }),

/***/ "./node_modules/vee-validate/dist/vee-validate.esm.js":
/*!************************************************************!*\
  !*** ./node_modules/vee-validate/dist/vee-validate.esm.js ***!
  \************************************************************/
/*! exports provided: default, ErrorBag, Rules, ValidationObserver, ValidationProvider, Validator, directive, install, mapFields, mixin, version, withValidation */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ErrorBag", function() { return ErrorBag; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Rules", function() { return Rules; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ValidationObserver", function() { return ValidationObserver; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ValidationProvider", function() { return ValidationProvider; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Validator", function() { return Validator; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "directive", function() { return directive; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "install", function() { return install; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "mapFields", function() { return mapFields; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "mixin", function() { return mixin; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "version", function() { return version; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "withValidation", function() { return withValidation; });
/**
  * vee-validate v2.2.15
  * (c) 2019 Abdelrahman Awad
  * @license MIT
  */
// 

var isTextInput = function (el) {
  return includes(['text', 'password', 'search', 'email', 'tel', 'url', 'textarea', 'number'], el.type);
};

var isCheckboxOrRadioInput = function (el) {
  return includes(['radio', 'checkbox'], el.type);
};

var isDateInput = function (el) {
  return includes(['date', 'week', 'month', 'datetime-local', 'time'], el.type);
};

/**
 * Gets the data attribute. the name must be kebab-case.
 */
var getDataAttribute = function (el, name) { return el.getAttribute(("data-vv-" + name)); };

var isNaN$1 = function (value) {
  if ('isNaN' in Number) {
    return Number.isNaN(value);
  }

  // eslint-disable-next-line
  return typeof(value) === 'number' && value !== value;
};

/**
 * Checks if the values are either null or undefined.
 */
var isNullOrUndefined = function () {
  var values = [], len = arguments.length;
  while ( len-- ) values[ len ] = arguments[ len ];

  return values.every(function (value) {
    return value === null || value === undefined;
  });
};

/**
 * Creates the default flags object.
 */
var createFlags = function () { return ({
  untouched: true,
  touched: false,
  dirty: false,
  pristine: true,
  valid: null,
  invalid: null,
  validated: false,
  pending: false,
  required: false,
  changed: false
}); };

/**
 * Shallow object comparison.
 */
var isEqual = function (lhs, rhs) {
  if (lhs instanceof RegExp && rhs instanceof RegExp) {
    return isEqual(lhs.source, rhs.source) && isEqual(lhs.flags, rhs.flags);
  }

  if (Array.isArray(lhs) && Array.isArray(rhs)) {
    if (lhs.length !== rhs.length) { return false; }

    for (var i = 0; i < lhs.length; i++) {
      if (!isEqual(lhs[i], rhs[i])) {
        return false;
      }
    }

    return true;
  }

  // if both are objects, compare each key recursively.
  if (isObject(lhs) && isObject(rhs)) {
    return Object.keys(lhs).every(function (key) {
      return isEqual(lhs[key], rhs[key]);
    }) && Object.keys(rhs).every(function (key) {
      return isEqual(lhs[key], rhs[key]);
    });
  }

  if (isNaN$1(lhs) && isNaN$1(rhs)) {
    return true;
  }

  return lhs === rhs;
};

/**
 * Determines the input field scope.
 */
var getScope = function (el) {
  var scope = getDataAttribute(el, 'scope');
  if (isNullOrUndefined(scope)) {
    var form = getForm(el);

    if (form) {
      scope = getDataAttribute(form, 'scope');
    }
  }

  return !isNullOrUndefined(scope) ? scope : null;
};

/**
 * Get the closest form element.
 */
var getForm = function (el) {
  if (isNullOrUndefined(el)) { return null; }

  if (el.tagName === 'FORM') { return el; }

  if (!isNullOrUndefined(el.form)) { return el.form; }

  return !isNullOrUndefined(el.parentNode) ? getForm(el.parentNode) : null;
};

/**
 * Gets the value in an object safely.
 */
var getPath = function (path, target, def) {
  if ( def === void 0 ) def = undefined;

  if (!path || !target) { return def; }

  var value = target;
  path.split('.').every(function (prop) {
    if (prop in value) {
      value = value[prop];

      return true;
    }

    value = def;

    return false;
  });

  return value;
};

/**
 * Checks if path exists within an object.
 */
var hasPath = function (path, target) {
  var obj = target;
  var previousPath = null;
  var isNullOrNonObject = false;
  var isValidPath = path.split('.').reduce(function (reducer, prop) {
    if (obj == null || typeof obj !== 'object') {
      isNullOrNonObject = true;
      return reducer && false;
    }

    if (prop in obj) {
      obj = obj[prop];
      previousPath = previousPath === null ? prop : previousPath + '.' + prop;

      return reducer && true;
    }

    return reducer && false;
  }, true);

  if (true) {
    if (isNullOrNonObject) {
      throw new Error(previousPath + ' is not an object');
    }
  }

  return isValidPath;
};

/**
 * Parses a rule string expression.
 */
var parseRule = function (rule) {
  var params = [];
  var name = rule.split(':')[0];

  if (includes(rule, ':')) {
    params = rule.split(':').slice(1).join(':').split(',');
  }

  return { name: name, params: params };
};

/**
 * Debounces a function.
 */
var debounce = function (fn, wait, token) {
  if ( wait === void 0 ) wait = 0;
  if ( token === void 0 ) token = { cancelled: false };

  if (wait === 0) {
    return fn;
  }

  var timeout;

  return function () {
    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];

    var later = function () {
      timeout = null;

      // check if the fn call was cancelled.
      if (!token.cancelled) { fn.apply(void 0, args); }
    };

    clearTimeout(timeout);
    timeout = setTimeout(later, wait);
    if (!timeout) { fn.apply(void 0, args); }
  };
};

/**
 * Appends a rule definition to a list of rules.
 */
var appendRule = function (rule, rules) {
  if (!rules) {
    return normalizeRules(rule);
  }

  if (!rule) {
    return normalizeRules(rules);
  }

  if (typeof rules === 'string') {
    rules = normalizeRules(rules);
  }

  return assign({}, rules, normalizeRules(rule));
};

/**
 * Normalizes the given rules expression.
 */
var normalizeRules = function (rules) {
  // if falsy value return an empty object.
  if (!rules) {
    return {};
  }

  if (isObject(rules)) {
    // $FlowFixMe
    return Object.keys(rules).reduce(function (prev, curr) {
      var params = [];
      // $FlowFixMe
      if (rules[curr] === true) {
        params = [];
      } else if (Array.isArray(rules[curr])) {
        params = rules[curr];
      } else if (isObject(rules[curr])) {
        params = rules[curr];
      } else {
        params = [rules[curr]];
      }

      // $FlowFixMe
      if (rules[curr] !== false) {
        prev[curr] = params;
      }

      return prev;
    }, {});
  }

  if (typeof rules !== 'string') {
    warn('rules must be either a string or an object.');
    return {};
  }

  return rules.split('|').reduce(function (prev, rule) {
    var parsedRule = parseRule(rule);
    if (!parsedRule.name) {
      return prev;
    }

    prev[parsedRule.name] = parsedRule.params;
    return prev;
  }, {});
};

/**
 * Emits a warning to the console.
 */
var warn = function (message) {
  console.warn(("[vee-validate] " + message)); // eslint-disable-line
};

/**
 * Creates a branded error object.
 */
var createError = function (message) { return new Error(("[vee-validate] " + message)); };

/**
 * Checks if the value is an object.
 */
var isObject = function (obj) { return obj !== null && obj && typeof obj === 'object' && ! Array.isArray(obj); };

/**
 * Checks if a function is callable.
 */
var isCallable = function (func) { return typeof func === 'function'; };

/**
 * Check if element has the css class on it.
 */
var hasClass = function (el, className) {
  if (el.classList) {
    return el.classList.contains(className);
  }

  return !!el.className.match(new RegExp(("(\\s|^)" + className + "(\\s|$)")));
};

/**
 * Adds the provided css className to the element.
 */
var addClass = function (el, className) {
  if (el.classList) {
    el.classList.add(className);
    return;
  }

  if (!hasClass(el, className)) {
    el.className += " " + className;
  }
};

/**
 * Remove the provided css className from the element.
 */
var removeClass = function (el, className) {
  if (el.classList) {
    el.classList.remove(className);
    return;
  }

  if (hasClass(el, className)) {
    var reg = new RegExp(("(\\s|^)" + className + "(\\s|$)"));
    el.className = el.className.replace(reg, ' ');
  }
};

/**
 * Adds or removes a class name on the input depending on the status flag.
 */
var toggleClass = function (el, className, status) {
  if (!el || !className) { return; }

  if (Array.isArray(className)) {
    className.forEach(function (item) { return toggleClass(el, item, status); });
    return;
  }

  if (status) {
    return addClass(el, className);
  }

  removeClass(el, className);
};

/**
 * Converts an array-like object to array, provides a simple polyfill for Array.from
 */
var toArray = function (arrayLike) {
  if (isCallable(Array.from)) {
    return Array.from(arrayLike);
  }

  var array = [];
  var length = arrayLike.length;
  /* istanbul ignore next */
  for (var i = 0; i < length; i++) {
    array.push(arrayLike[i]);
  }

  /* istanbul ignore next */
  return array;
};

/**
 * Converts an array-like object to array and place other elements in an array
 */
var ensureArray = function (arrayLike) {
  if (Array.isArray(arrayLike)) {
    return [].concat( arrayLike );
  }
  var array = toArray(arrayLike);
  return isEmptyArray(array) ? [arrayLike] : array;
};

/**
 * Assign polyfill from the mdn.
 */
var assign = function (target) {
  var others = [], len = arguments.length - 1;
  while ( len-- > 0 ) others[ len ] = arguments[ len + 1 ];

  /* istanbul ignore else */
  if (isCallable(Object.assign)) {
    return Object.assign.apply(Object, [ target ].concat( others ));
  }

  /* istanbul ignore next */
  if (target == null) {
    throw new TypeError('Cannot convert undefined or null to object');
  }

  /* istanbul ignore next */
  var to = Object(target);
  /* istanbul ignore next */
  others.forEach(function (arg) {
    // Skip over if undefined or null
    if (arg != null) {
      Object.keys(arg).forEach(function (key) {
        to[key] = arg[key];
      });
    }
  });
  /* istanbul ignore next */
  return to;
};

var id = 0;
var idTemplate = '{id}';

/**
 * Generates a unique id.
 */
var uniqId = function () {
  // handle too many uses of uniqId, although unlikely.
  if (id >= 9999) {
    id = 0;
    // shift the template.
    idTemplate = idTemplate.replace('{id}', '_{id}');
  }

  id++;
  var newId = idTemplate.replace('{id}', String(id));

  return newId;
};

var findIndex = function (arrayLike, predicate) {
  var array = Array.isArray(arrayLike) ? arrayLike : toArray(arrayLike);
  for (var i = 0; i < array.length; i++) {
    if (predicate(array[i])) {
      return i;
    }
  }

  return -1;
};

/**
 * finds the first element that satisfies the predicate callback, polyfills array.find
 */
var find = function (arrayLike, predicate) {
  var array = Array.isArray(arrayLike) ? arrayLike : toArray(arrayLike);
  var idx = findIndex(array, predicate);

  return idx === -1 ? undefined : array[idx];
};

var isBuiltInComponent = function (vnode) {
  if (!vnode) {
    return false;
  }

  var tag = vnode.componentOptions.tag;

  return /^(keep-alive|transition|transition-group)$/.test(tag);
};

var makeDelayObject = function (events, delay, delayConfig) {
  if (typeof delay === 'number') {
    return events.reduce(function (prev, e) {
      prev[e] = delay;
      return prev;
    }, {});
  }

  return events.reduce(function (prev, e) {
    if (typeof delay === 'object' && e in delay) {
      prev[e] = delay[e];
      return prev;
    }

    if (typeof delayConfig === 'number') {
      prev[e] = delayConfig;
      return prev;
    }

    prev[e] = (delayConfig && delayConfig[e]) || 0;

    return prev;
  }, {});
};

var deepParseInt = function (input) {
  if (typeof input === 'number') { return input; }

  if (typeof input === 'string') { return parseInt(input); }

  var map = {};
  for (var element in input) {
    map[element] = parseInt(input[element]);
  }

  return map;
};

var merge = function (target, source) {
  if (! (isObject(target) && isObject(source))) {
    return target;
  }

  Object.keys(source).forEach(function (key) {
    var obj, obj$1;

    if (isObject(source[key])) {
      if (! target[key]) {
        assign(target, ( obj = {}, obj[key] = {}, obj ));
      }

      merge(target[key], source[key]);
      return;
    }

    assign(target, ( obj$1 = {}, obj$1[key] = source[key], obj$1 ));
  });

  return target;
};

var fillRulesFromElement = function (el, rules) {
  if (el.required) {
    rules = appendRule('required', rules);
  }

  if (isTextInput(el)) {
    if (el.type === 'email') {
      rules = appendRule(("email" + (el.multiple ? ':multiple' : '')), rules);
    }

    if (el.pattern) {
      rules = appendRule({ regex: el.pattern }, rules);
    }

    // 524288 is the max on some browsers and test environments.
    if (el.maxLength >= 0 && el.maxLength < 524288) {
      rules = appendRule(("max:" + (el.maxLength)), rules);
    }

    if (el.minLength > 0) {
      rules = appendRule(("min:" + (el.minLength)), rules);
    }

    if (el.type === 'number') {
      rules = appendRule('decimal', rules);
      if (el.min !== '') {
        rules = appendRule(("min_value:" + (el.min)), rules);
      }

      if (el.max !== '') {
        rules = appendRule(("max_value:" + (el.max)), rules);
      }
    }

    return rules;
  }

  if (isDateInput(el)) {
    var timeFormat = el.step && Number(el.step) < 60 ? 'HH:mm:ss' : 'HH:mm';

    if (el.type === 'date') {
      return appendRule('date_format:yyyy-MM-dd', rules);
    }

    if (el.type === 'datetime-local') {
      return appendRule(("date_format:yyyy-MM-ddT" + timeFormat), rules);
    }

    if (el.type === 'month') {
      return appendRule('date_format:yyyy-MM', rules);
    }

    if (el.type === 'week') {
      return appendRule('date_format:yyyy-[W]WW', rules);
    }

    if (el.type === 'time') {
      return appendRule(("date_format:" + timeFormat), rules);
    }
  }

  return rules;
};

var values = function (obj) {
  if (isCallable(Object.values)) {
    return Object.values(obj);
  }

  // fallback to keys()
  /* istanbul ignore next */
  return Object.keys(obj).map(function (k) { return obj[k]; });
};

var parseSelector = function (selector) {
  var rule = null;
  if (includes(selector, ':')) {
    rule = selector.split(':').pop();
    selector = selector.replace((":" + rule), '');
  }

  if (selector[0] === '#') {
    return {
      id: selector.slice(1),
      rule: rule,
      name: null,
      scope: null
    };
  }

  var scope = null;
  var name = selector;
  if (includes(selector, '.')) {
    var parts = selector.split('.');
    scope = parts[0];
    name = parts.slice(1).join('.');
  }

  return {
    id: null,
    scope: scope,
    name: name,
    rule: rule
  };
};

var includes = function (collection, item) {
  return collection.indexOf(item) !== -1;
};

var isEmptyArray = function (arr) {
  return Array.isArray(arr) && arr.length === 0;
};

var defineNonReactive = function (obj, prop, value) {
  Object.defineProperty(obj, prop, {
    configurable: false,
    writable: true,
    value: value
  });
};

// 

var LOCALE = 'en';

var Dictionary = function Dictionary (dictionary) {
  if ( dictionary === void 0 ) dictionary = {};

  this.container = {};
  this.merge(dictionary);
};

var prototypeAccessors = { locale: { configurable: true } };

prototypeAccessors.locale.get = function () {
  return LOCALE;
};

prototypeAccessors.locale.set = function (value) {
  LOCALE = value || 'en';
};

Dictionary.prototype.hasLocale = function hasLocale (locale) {
  return !!this.container[locale];
};

Dictionary.prototype.setDateFormat = function setDateFormat (locale, format) {
  if (!this.container[locale]) {
    this.container[locale] = {};
  }

  this.container[locale].dateFormat = format;
};

Dictionary.prototype.getDateFormat = function getDateFormat (locale) {
  if (!this.container[locale] || !this.container[locale].dateFormat) {
    return null;
  }

  return this.container[locale].dateFormat;
};

Dictionary.prototype.getMessage = function getMessage (locale, key, data) {
  var message = null;
  if (!this.hasMessage(locale, key)) {
    message = this._getDefaultMessage(locale);
  } else {
    message = this.container[locale].messages[key];
  }

  return isCallable(message) ? message.apply(void 0, data) : message;
};

/**
 * Gets a specific message for field. falls back to the rule message.
 */
Dictionary.prototype.getFieldMessage = function getFieldMessage (locale, field, key, data) {
  if (!this.hasLocale(locale)) {
    return this.getMessage(locale, key, data);
  }

  var dict = this.container[locale].custom && this.container[locale].custom[field];
  if (!dict || !dict[key]) {
    return this.getMessage(locale, key, data);
  }

  var message = dict[key];
  return isCallable(message) ? message.apply(void 0, data) : message;
};

Dictionary.prototype._getDefaultMessage = function _getDefaultMessage (locale) {
  if (this.hasMessage(locale, '_default')) {
    return this.container[locale].messages._default;
  }

  return this.container.en.messages._default;
};

Dictionary.prototype.getAttribute = function getAttribute (locale, key, fallback) {
    if ( fallback === void 0 ) fallback = '';

  if (!this.hasAttribute(locale, key)) {
    return fallback;
  }

  return this.container[locale].attributes[key];
};

Dictionary.prototype.hasMessage = function hasMessage (locale, key) {
  return !! (
    this.hasLocale(locale) &&
          this.container[locale].messages &&
          this.container[locale].messages[key]
  );
};

Dictionary.prototype.hasAttribute = function hasAttribute (locale, key) {
  return !! (
    this.hasLocale(locale) &&
          this.container[locale].attributes &&
          this.container[locale].attributes[key]
  );
};

Dictionary.prototype.merge = function merge$1 (dictionary) {
  merge(this.container, dictionary);
};

Dictionary.prototype.setMessage = function setMessage (locale, key, message) {
  if (! this.hasLocale(locale)) {
    this.container[locale] = {
      messages: {},
      attributes: {}
    };
  }
    
  if (!this.container[locale].messages) {
    this.container[locale].messages = {};
  }

  this.container[locale].messages[key] = message;
};

Dictionary.prototype.setAttribute = function setAttribute (locale, key, attribute) {
  if (! this.hasLocale(locale)) {
    this.container[locale] = {
      messages: {},
      attributes: {}
    };
  }

  this.container[locale].attributes[key] = attribute;
};

Object.defineProperties( Dictionary.prototype, prototypeAccessors );

var drivers = {
  default: new Dictionary({
    en: {
      messages: {},
      attributes: {},
      custom: {}
    }
  })
};

var currentDriver = 'default';

var DictionaryResolver = function DictionaryResolver () {};

DictionaryResolver._checkDriverName = function _checkDriverName (driver) {
  if (!driver) {
    throw createError('you must provide a name to the dictionary driver');
  }
};

DictionaryResolver.setDriver = function setDriver (driver, implementation) {
    if ( implementation === void 0 ) implementation = null;

  this._checkDriverName(driver);
  if (implementation) {
    drivers[driver] = implementation;
  }

  currentDriver = driver;
};

DictionaryResolver.getDriver = function getDriver () {
  return drivers[currentDriver];
};

// 

var ErrorBag = function ErrorBag (errorBag, id) {
  if ( errorBag === void 0 ) errorBag = null;
  if ( id === void 0 ) id = null;

  this.vmId = id || null;
  // make this bag a mirror of the provided one, sharing the same items reference.
  if (errorBag && errorBag instanceof ErrorBag) {
    this.items = errorBag.items;
  } else {
    this.items = [];
  }
};

ErrorBag.prototype[typeof Symbol === 'function' ? Symbol.iterator : '@@iterator'] = function () {
    var this$1 = this;

  var index = 0;
  return {
    next: function () {
      return { value: this$1.items[index++], done: index > this$1.items.length };
    }
  };
};

/**
 * Adds an error to the internal array.
 */
ErrorBag.prototype.add = function add (error) {
    var ref;

  (ref = this.items).push.apply(
    ref, this._normalizeError(error)
  );
};

/**
 * Normalizes passed errors to an error array.
 */
ErrorBag.prototype._normalizeError = function _normalizeError (error) {
    var this$1 = this;

  if (Array.isArray(error)) {
    return error.map(function (e) {
      e.scope = !isNullOrUndefined(e.scope) ? e.scope : null;
      e.vmId = !isNullOrUndefined(e.vmId) ? e.vmId : (this$1.vmId || null);

      return e;
    });
  }

  error.scope = !isNullOrUndefined(error.scope) ? error.scope : null;
  error.vmId = !isNullOrUndefined(error.vmId) ? error.vmId : (this.vmId || null);

  return [error];
};

/**
 * Regenrates error messages if they have a generator function.
 */
ErrorBag.prototype.regenerate = function regenerate () {
  this.items.forEach(function (i) {
    i.msg = isCallable(i.regenerate) ? i.regenerate() : i.msg;
  });
};

/**
 * Updates a field error with the new field scope.
 */
ErrorBag.prototype.update = function update (id, error) {
  var item = find(this.items, function (i) { return i.id === id; });
  if (!item) {
    return;
  }

  var idx = this.items.indexOf(item);
  this.items.splice(idx, 1);
  item.scope = error.scope;
  this.items.push(item);
};

/**
 * Gets all error messages from the internal array.
 */
ErrorBag.prototype.all = function all (scope) {
    var this$1 = this;

  var filterFn = function (item) {
    var matchesScope = true;
    var matchesVM = true;
    if (!isNullOrUndefined(scope)) {
      matchesScope = item.scope === scope;
    }

    if (!isNullOrUndefined(this$1.vmId)) {
      matchesVM = item.vmId === this$1.vmId;
    }

    return matchesVM && matchesScope;
  };

  return this.items.filter(filterFn).map(function (e) { return e.msg; });
};

/**
 * Checks if there are any errors in the internal array.
 */
ErrorBag.prototype.any = function any (scope) {
    var this$1 = this;

  var filterFn = function (item) {
    var matchesScope = true;
    var matchesVM = true;
    if (!isNullOrUndefined(scope)) {
      matchesScope = item.scope === scope;
    }

    if (!isNullOrUndefined(this$1.vmId)) {
      matchesVM = item.vmId === this$1.vmId;
    }

    return matchesVM && matchesScope;
  };

  return !!this.items.filter(filterFn).length;
};

/**
 * Removes all items from the internal array.
 */
ErrorBag.prototype.clear = function clear (scope) {
    var this$1 = this;

  var matchesVM = isNullOrUndefined(this.vmId) ? function () { return true; } : function (i) { return i.vmId === this$1.vmId; };
  var matchesScope = function (i) { return i.scope === scope; };
  if (arguments.length === 0) {
    matchesScope = function () { return true; };
  } else if (isNullOrUndefined(scope)) {
    scope = null;
  }

  for (var i = 0; i < this.items.length; ++i) {
    if (matchesVM(this.items[i]) && matchesScope(this.items[i])) {
      this.items.splice(i, 1);
      --i;
    }
  }
};

/**
 * Collects errors into groups or for a specific field.
 */
ErrorBag.prototype.collect = function collect (field, scope, map) {
    var this$1 = this;
    if ( map === void 0 ) map = true;

  var isSingleField = !isNullOrUndefined(field) && !field.includes('*');
  var groupErrors = function (items) {
    var errors = items.reduce(function (collection, error) {
      if (!isNullOrUndefined(this$1.vmId) && error.vmId !== this$1.vmId) {
        return collection;
      }

      if (!collection[error.field]) {
        collection[error.field] = [];
      }

      collection[error.field].push(map ? error.msg : error);

      return collection;
    }, {});

    // reduce the collection to be a single array.
    if (isSingleField) {
      return values(errors)[0] || [];
    }

    return errors;
  };

  if (isNullOrUndefined(field)) {
    return groupErrors(this.items);
  }

  var selector = isNullOrUndefined(scope) ? String(field) : (scope + "." + field);
  var ref = this._makeCandidateFilters(selector);
    var isPrimary = ref.isPrimary;
    var isAlt = ref.isAlt;

  var collected = this.items.reduce(function (prev, curr) {
    if (isPrimary(curr)) {
      prev.primary.push(curr);
    }

    if (isAlt(curr)) {
      prev.alt.push(curr);
    }

    return prev;
  }, { primary: [], alt: [] });

  collected = collected.primary.length ? collected.primary : collected.alt;

  return groupErrors(collected);
};

/**
 * Gets the internal array length.
 */
ErrorBag.prototype.count = function count () {
    var this$1 = this;

  if (this.vmId) {
    return this.items.filter(function (e) { return e.vmId === this$1.vmId; }).length;
  }

  return this.items.length;
};

/**
 * Finds and fetches the first error message for the specified field id.
 */
ErrorBag.prototype.firstById = function firstById (id) {
  var error = find(this.items, function (i) { return i.id === id; });

  return error ? error.msg : undefined;
};

/**
 * Gets the first error message for a specific field.
 */
ErrorBag.prototype.first = function first (field, scope) {
    if ( scope === void 0 ) scope = null;

  var selector = isNullOrUndefined(scope) ? field : (scope + "." + field);
  var match = this._match(selector);

  return match && match.msg;
};

/**
 * Returns the first error rule for the specified field
 */
ErrorBag.prototype.firstRule = function firstRule (field, scope) {
  var errors = this.collect(field, scope, false);

  return (errors.length && errors[0].rule) || undefined;
};

/**
 * Checks if the internal array has at least one error for the specified field.
 */
ErrorBag.prototype.has = function has (field, scope) {
    if ( scope === void 0 ) scope = null;

  return !!this.first(field, scope);
};

/**
 * Gets the first error message for a specific field and a rule.
 */
ErrorBag.prototype.firstByRule = function firstByRule (name, rule, scope) {
    if ( scope === void 0 ) scope = null;

  var error = this.collect(name, scope, false).filter(function (e) { return e.rule === rule; })[0];

  return (error && error.msg) || undefined;
};

/**
 * Gets the first error message for a specific field that not match the rule.
 */
ErrorBag.prototype.firstNot = function firstNot (name, rule, scope) {
    if ( rule === void 0 ) rule = 'required';
    if ( scope === void 0 ) scope = null;

  var error = this.collect(name, scope, false).filter(function (e) { return e.rule !== rule; })[0];

  return (error && error.msg) || undefined;
};

/**
 * Removes errors by matching against the id or ids.
 */
ErrorBag.prototype.removeById = function removeById (id) {
  var condition = function (item) { return item.id === id; };
  if (Array.isArray(id)) {
    condition = function (item) { return id.indexOf(item.id) !== -1; };
  }

  for (var i = 0; i < this.items.length; ++i) {
    if (condition(this.items[i])) {
      this.items.splice(i, 1);
      --i;
    }
  }
};

/**
 * Removes all error messages associated with a specific field.
 */
ErrorBag.prototype.remove = function remove (field, scope, vmId) {
  if (isNullOrUndefined(field)) {
    return;
  }

  var selector = isNullOrUndefined(scope) ? String(field) : (scope + "." + field);
  var ref = this._makeCandidateFilters(selector);
    var isPrimary = ref.isPrimary;
    var isAlt = ref.isAlt;
  var matches = function (item) { return isPrimary(item) || isAlt(item); };
  var shouldRemove = function (item) {
    if (isNullOrUndefined(vmId)) { return matches(item); }

    return matches(item) && item.vmId === vmId;
  };

  for (var i = 0; i < this.items.length; ++i) {
    if (shouldRemove(this.items[i])) {
      this.items.splice(i, 1);
      --i;
    }
  }
};

ErrorBag.prototype._makeCandidateFilters = function _makeCandidateFilters (selector) {
    var this$1 = this;

  var matchesRule = function () { return true; };
  var matchesScope = function () { return true; };
  var matchesName = function () { return true; };
  var matchesVM = function () { return true; };

  var ref = parseSelector(selector);
    var id = ref.id;
    var rule = ref.rule;
    var scope = ref.scope;
    var name = ref.name;

  if (rule) {
    matchesRule = function (item) { return item.rule === rule; };
  }

  // match by id, can be combined with rule selection.
  if (id) {
    return {
      isPrimary: function (item) { return matchesRule(item) && (function (item) { return id === item.id; }); },
      isAlt: function () { return false; }
    };
  }

  if (isNullOrUndefined(scope)) {
    // if no scope specified, make sure the found error has no scope.
    matchesScope = function (item) { return isNullOrUndefined(item.scope); };
  } else {
    matchesScope = function (item) { return item.scope === scope; };
  }

  if (!isNullOrUndefined(name) && name !== '*') {
    matchesName = function (item) { return item.field === name; };
  }

  if (!isNullOrUndefined(this.vmId)) {
    matchesVM = function (item) { return item.vmId === this$1.vmId; };
  }

  // matches the first candidate.
  var isPrimary = function (item) {
    return matchesVM(item) && matchesName(item) && matchesRule(item) && matchesScope(item);
  };

  // matches a second candidate, which is a field with a name containing the '.' character.
  var isAlt = function (item) {
    return matchesVM(item) && matchesRule(item) && item.field === (scope + "." + name);
  };

  return {
    isPrimary: isPrimary,
    isAlt: isAlt
  };
};

ErrorBag.prototype._match = function _match (selector) {
  if (isNullOrUndefined(selector)) {
    return undefined;
  }

  var ref = this._makeCandidateFilters(selector);
    var isPrimary = ref.isPrimary;
    var isAlt = ref.isAlt;

  return this.items.reduce(function (prev, item, idx, arr) {
    var isLast = idx === arr.length - 1;
    if (prev.primary) {
      return isLast ? prev.primary : prev;
    }

    if (isPrimary(item)) {
      prev.primary = item;
    }

    if (isAlt(item)) {
      prev.alt = item;
    }

    // keep going.
    if (!isLast) {
      return prev;
    }

    return prev.primary || prev.alt;
  }, {});
};

var DEFAULT_CONFIG = {
  locale: 'en',
  delay: 0,
  errorBagName: 'errors',
  dictionary: null,
  fieldsBagName: 'fields',
  classes: false,
  classNames: null,
  events: 'input',
  inject: true,
  fastExit: true,
  aria: true,
  validity: false,
  mode: 'aggressive',
  useConstraintAttrs: true,
  i18n: null,
  i18nRootKey: 'validation'
};

var currentConfig = assign({}, DEFAULT_CONFIG);

var resolveConfig = function (ctx) {
  var selfConfig = getPath('$options.$_veeValidate', ctx, {});

  return assign({}, currentConfig, selfConfig);
};

var getConfig = function () { return currentConfig; };

var setConfig = function (newConf) {
  currentConfig = assign({}, currentConfig, newConf);
};

// VNode Utils

// Gets the model object on the vnode.
function findModel (vnode) {
  if (!vnode.data) {
    return null;
  }

  // Component Model
  if (vnode.data.model) {
    return vnode.data.model;
  }

  return !!(vnode.data.directives) && find(vnode.data.directives, function (d) { return d.name === 'model'; });
}

function extractChildren (vnode) {
  if (Array.isArray(vnode)) {
    return vnode;
  }

  if (Array.isArray(vnode.children)) {
    return vnode.children;
  }

  if (vnode.componentOptions && Array.isArray(vnode.componentOptions.children)) {
    return vnode.componentOptions.children;
  }

  return [];
}

function extractVNodes (vnode) {
  if (findModel(vnode)) {
    return [vnode];
  }

  var children = extractChildren(vnode);

  return children.reduce(function (nodes, node) {
    var candidates = extractVNodes(node);
    if (candidates.length) {
      nodes.push.apply(nodes, candidates);
    }

    return nodes;
  }, []);
}

// Resolves v-model config if exists.
function findModelConfig (vnode) {
  if (!vnode.componentOptions) { return null; }

  return vnode.componentOptions.Ctor.options.model;
}
// Adds a listener to vnode listener object.
function mergeVNodeListeners (obj, eventName, handler) {
  // Has a single listener, convert to array.
  if (isCallable(obj[eventName])) {
    var prevHandler = obj[eventName];
    obj[eventName] = [prevHandler];
  }

  // no listeners, create the array.
  if (isNullOrUndefined(obj[eventName])) {
    obj[eventName] = [];
  }

  obj[eventName].push(handler);
}

// Adds a listener to a native HTML vnode.
function addNativeNodeListener (node, eventName, handler) {
  if (isNullOrUndefined(node.data.on)) {
    node.data.on = {};
  }

  mergeVNodeListeners(node.data.on, eventName, handler);
}

// Adds a listener to a Vue component vnode.
function addComponentNodeListener (node, eventName, handler) {
  /* istanbul ignore next */
  if (!node.componentOptions.listeners) {
    node.componentOptions.listeners = {};
  }

  mergeVNodeListeners(node.componentOptions.listeners, eventName, handler);
}
function addVNodeListener (vnode, eventName, handler) {
  if (vnode.componentOptions) {
    addComponentNodeListener(vnode, eventName, handler);
    return;
  }

  addNativeNodeListener(vnode, eventName, handler);
}
// Determines if `change` should be used over `input` for listeners.
function getInputEventName (vnode, model) {
  // Is a component.
  if (vnode.componentOptions) {
    var ref = findModelConfig(vnode) || { event: 'input' };
    var event = ref.event;

    return event;
  }

  // Lazy Models and select tag typically use change event
  if ((model && model.modifiers && model.modifiers.lazy) || vnode.tag === 'select') {
    return 'change';
  }

  // is a textual-type input.
  if (vnode.data.attrs && isTextInput({ type: vnode.data.attrs.type || 'text' })) {
    return 'input';
  }

  return 'change';
}

function normalizeSlots (slots, ctx) {
  return Object.keys(slots).reduce(function (arr, key) {
    slots[key].forEach(function (vnode) {
      if (!vnode.context) {
        slots[key].context = ctx;
        if (!vnode.data) {
          vnode.data = {};
        }
        vnode.data.slot = key;
      }
    });

    return arr.concat(slots[key]);
  }, []);
}
function createRenderless (h, children) {
  // Only render the first item of the node.
  if (Array.isArray(children) && children[0]) {
    return children[0];
  }

  // a single node.
  if (children) {
    return children;
  }

  // No slots, render nothing.
  return h();
}

/**
 * Generates the options required to construct a field.
 */
var Resolver = function Resolver () {};

Resolver.generate = function generate (el, binding, vnode) {
  var model = Resolver.resolveModel(binding, vnode);
  var options = resolveConfig(vnode.context);

  return {
    name: Resolver.resolveName(el, vnode),
    el: el,
    listen: !binding.modifiers.disable,
    bails: binding.modifiers.bails ? true : (binding.modifiers.continues === true ? false : undefined),
    scope: Resolver.resolveScope(el, binding, vnode),
    vm: vnode.context,
    expression: binding.value,
    component: vnode.componentInstance,
    classes: options.classes,
    classNames: options.classNames,
    getter: Resolver.resolveGetter(el, vnode, model),
    events: Resolver.resolveEvents(el, vnode) || options.events,
    model: model,
    delay: Resolver.resolveDelay(el, vnode, options),
    rules: Resolver.resolveRules(el, binding, vnode),
    immediate: !!binding.modifiers.initial || !!binding.modifiers.immediate,
    persist: !!binding.modifiers.persist,
    validity: options.validity && !vnode.componentInstance,
    aria: options.aria && !vnode.componentInstance,
    initialValue: Resolver.resolveInitialValue(vnode)
  };
};

Resolver.getCtorConfig = function getCtorConfig (vnode) {
  if (!vnode.componentInstance) { return null; }

  var config = getPath('componentInstance.$options.$_veeValidate', vnode);

  return config;
};

/**
 * Resolves the rules defined on an element.
 */
Resolver.resolveRules = function resolveRules (el, binding, vnode) {
  var rules = '';
  if (!binding.value && (!binding || !binding.expression)) {
    rules = getDataAttribute(el, 'rules');
  }

  if (binding.value && includes(['string', 'object'], typeof binding.value.rules)) {
    rules = binding.value.rules;
  } else if (binding.value) {
    rules = binding.value;
  }

  if (vnode.componentInstance) {
    return rules;
  }

  // If validity is disabled, ignore field rules.
  var normalized = normalizeRules(rules);
  if (!getConfig().useConstraintAttrs) {
    return normalized;
  }

  return assign({}, fillRulesFromElement(el, {}), normalized);
};

/**
 * @param {*} vnode
 */
Resolver.resolveInitialValue = function resolveInitialValue (vnode) {
  var model = vnode.data.model || find(vnode.data.directives, function (d) { return d.name === 'model'; });

  return model && model.value;
};

/**
 * Resolves the delay value.
 * @param {*} el
 * @param {*} vnode
 * @param {Object} options
 */
Resolver.resolveDelay = function resolveDelay (el, vnode, options) {
  var delay = getDataAttribute(el, 'delay');
  var globalDelay = (options && 'delay' in options) ? options.delay : 0;

  if (!delay && vnode.componentInstance && vnode.componentInstance.$attrs) {
    delay = vnode.componentInstance.$attrs['data-vv-delay'];
  }

  if (!isObject(globalDelay)) {
    return deepParseInt(delay || globalDelay);
  }

  if (!isNullOrUndefined(delay)) {
    globalDelay.input = delay;
  }

  return deepParseInt(globalDelay);
};

/**
 * Resolves the events to validate in response to.
 * @param {*} el
 * @param {*} vnode
 */
Resolver.resolveEvents = function resolveEvents (el, vnode) {
  // resolve it from the root element.
  var events = getDataAttribute(el, 'validate-on');

  // resolve from data-vv-validate-on if its a vue component.
  if (!events && vnode.componentInstance && vnode.componentInstance.$attrs) {
    events = vnode.componentInstance.$attrs['data-vv-validate-on'];
  }

  // resolve it from $_veeValidate options.
  if (!events && vnode.componentInstance) {
    var config = Resolver.getCtorConfig(vnode);
    events = config && config.events;
  }

  if (!events && getConfig().events) {
    events = getConfig().events;
  }

  // resolve the model event if its configured for custom components.
  if (events && vnode.componentInstance && includes(events, 'input')) {
    var ref = vnode.componentInstance.$options.model || { event: 'input' };
      var event = ref.event;
    // if the prop was configured but not the model.
    if (!event) {
      return events;
    }

    events = events.replace('input', event);
  }

  return events;
};

/**
 * Resolves the scope for the field.
 * @param {*} el
 * @param {*} binding
 */
Resolver.resolveScope = function resolveScope (el, binding, vnode) {
    if ( vnode === void 0 ) vnode = {};

  var scope = null;
  if (vnode.componentInstance && isNullOrUndefined(scope)) {
    scope = vnode.componentInstance.$attrs && vnode.componentInstance.$attrs['data-vv-scope'];
  }

  return !isNullOrUndefined(scope) ? scope : getScope(el);
};

/**
 * Checks if the node directives contains a v-model or a specified arg.
 * Args take priority over models.
 *
 * @return {Object}
 */
Resolver.resolveModel = function resolveModel (binding, vnode) {
  if (binding.arg) {
    return { expression: binding.arg };
  }

  var model = findModel(vnode);
  if (!model) {
    return null;
  }

  // https://github.com/vuejs/vue/blob/dev/src/core/util/lang.js#L26
  var watchable = !/[^\w.$]/.test(model.expression) && hasPath(model.expression, vnode.context);
  var lazy = !!(model.modifiers && model.modifiers.lazy);

  if (!watchable) {
    return { expression: null, lazy: lazy };
  }

  return { expression: model.expression, lazy: lazy };
};

/**
 * Resolves the field name to trigger validations.
 * @return {String} The field name.
 */
Resolver.resolveName = function resolveName (el, vnode) {
  var name = getDataAttribute(el, 'name');

  if (!name && !vnode.componentInstance) {
    return el.name;
  }

  if (!name && vnode.componentInstance && vnode.componentInstance.$attrs) {
    name = vnode.componentInstance.$attrs['data-vv-name'] || vnode.componentInstance.$attrs['name'];
  }

  if (!name && vnode.componentInstance) {
    var config = Resolver.getCtorConfig(vnode);
    if (config && isCallable(config.name)) {
      var boundGetter = config.name.bind(vnode.componentInstance);

      return boundGetter();
    }

    return vnode.componentInstance.name;
  }

  return name;
};

/**
 * Returns a value getter input type.
 */
Resolver.resolveGetter = function resolveGetter (el, vnode, model) {
  if (model && model.expression) {
    return function () {
      return getPath(model.expression, vnode.context);
    };
  }

  if (vnode.componentInstance) {
    var path = getDataAttribute(el, 'value-path') || (vnode.componentInstance.$attrs && vnode.componentInstance.$attrs['data-vv-value-path']);
    if (path) {
      return function () {
        return getPath(path, vnode.componentInstance);
      };
    }

    var config = Resolver.getCtorConfig(vnode);
    if (config && isCallable(config.value)) {
      var boundGetter = config.value.bind(vnode.componentInstance);

      return function () {
        return boundGetter();
      };
    }

    var ref = vnode.componentInstance.$options.model || { prop: 'value' };
      var prop = ref.prop;

    return function () {
      return vnode.componentInstance[prop];
    };
  }

  switch (el.type) {
  case 'checkbox': return function () {
    var els = document.querySelectorAll(("input[name=\"" + (el.name) + "\"]"));

    els = toArray(els).filter(function (el) { return el.checked; });
    if (!els.length) { return undefined; }

    return els.map(function (checkbox) { return checkbox.value; });
  };
  case 'radio': return function () {
    var els = document.querySelectorAll(("input[name=\"" + (el.name) + "\"]"));
    var elm = find(els, function (el) { return el.checked; });

    return elm && elm.value;
  };
  case 'file': return function (context) {
    return toArray(el.files);
  };
  case 'select-multiple': return function () {
    return toArray(el.options).filter(function (opt) { return opt.selected; }).map(function (opt) { return opt.value; });
  };
  default: return function () {
    return el && el.value;
  };
  }
};

var RULES = {};

var RuleContainer = function RuleContainer () {};

var staticAccessors = { rules: { configurable: true } };

RuleContainer.add = function add (name, ref) {
    var validate = ref.validate;
    var options = ref.options;
    var paramNames = ref.paramNames;

  RULES[name] = {
    validate: validate,
    options: options,
    paramNames: paramNames
  };
};

staticAccessors.rules.get = function () {
  return RULES;
};

RuleContainer.has = function has (name) {
  return !!RULES[name];
};

RuleContainer.isImmediate = function isImmediate (name) {
  return !!(RULES[name] && RULES[name].options.immediate);
};

RuleContainer.isRequireRule = function isRequireRule (name) {
  return !!(RULES[name] && RULES[name].options.computesRequired);
};

RuleContainer.isTargetRule = function isTargetRule (name) {
  return !!(RULES[name] && RULES[name].options.hasTarget);
};

RuleContainer.remove = function remove (ruleName) {
  delete RULES[ruleName];
};

RuleContainer.getParamNames = function getParamNames (ruleName) {
  return RULES[ruleName] && RULES[ruleName].paramNames;
};

RuleContainer.getOptions = function getOptions (ruleName) {
  return RULES[ruleName] && RULES[ruleName].options;
};

RuleContainer.getValidatorMethod = function getValidatorMethod (ruleName) {
  return RULES[ruleName] ? RULES[ruleName].validate : null;
};

Object.defineProperties( RuleContainer, staticAccessors );

// 

var isEvent = function (evt) {
  return (typeof Event !== 'undefined' && isCallable(Event) && evt instanceof Event) || (evt && evt.srcElement);
};

var normalizeEvents = function (evts) {
  if (!evts) { return []; }

  return (typeof evts === 'string' ? evts.split('|') : evts);
};

var supportsPassive = true;

var detectPassiveSupport = function () {
  try {
    var opts = Object.defineProperty({}, 'passive', {
      get: function get () {
        supportsPassive = true;
      }
    });
    window.addEventListener('testPassive', null, opts);
    window.removeEventListener('testPassive', null, opts);
  } catch (e) {
    supportsPassive = false;
  }
  return supportsPassive;
};

var addEventListener = function (el, eventName, cb) {
  el.addEventListener(eventName, cb, supportsPassive ? { passive: true } : false);
};

// 

var DEFAULT_OPTIONS = {
  targetOf: null,
  immediate: false,
  persist: false,
  scope: null,
  listen: true,
  name: null,
  rules: {},
  vm: null,
  classes: false,
  validity: true,
  aria: true,
  events: 'input|blur',
  delay: 0,
  classNames: {
    touched: 'touched', // the control has been blurred
    untouched: 'untouched', // the control hasn't been blurred
    valid: 'valid', // model is valid
    invalid: 'invalid', // model is invalid
    pristine: 'pristine', // control has not been interacted with
    dirty: 'dirty' // control has been interacted with
  }
};

var Field = function Field (options) {
  if ( options === void 0 ) options = {};

  this.id = uniqId();
  this.el = options.el;
  this.updated = false;
  this.vmId = options.vmId;
  defineNonReactive(this, 'dependencies', []);
  defineNonReactive(this, 'watchers', []);
  defineNonReactive(this, 'events', []);
  this.delay = 0;
  this.rules = {};
  this.forceRequired = false;
  this._cacheId(options);
  this.classNames = assign({}, DEFAULT_OPTIONS.classNames);
  options = assign({}, DEFAULT_OPTIONS, options);
  this._delay = !isNullOrUndefined(options.delay) ? options.delay : 0; // cache initial delay
  this.validity = options.validity;
  this.aria = options.aria;
  this.flags = options.flags || createFlags();
  defineNonReactive(this, 'vm', options.vm);
  defineNonReactive(this, 'componentInstance', options.component);
  this.ctorConfig = this.componentInstance ? getPath('$options.$_veeValidate', this.componentInstance) : undefined;
  this.update(options);
  // set initial value.
  this.initialValue = this.value;
  this.updated = false;
};

var prototypeAccessors$1 = { validator: { configurable: true },isRequired: { configurable: true },isDisabled: { configurable: true },alias: { configurable: true },value: { configurable: true },bails: { configurable: true },rejectsFalse: { configurable: true } };

prototypeAccessors$1.validator.get = function () {
  if (!this.vm || !this.vm.$validator) {
    return { validate: function () { return Promise.resolve(true); } };
  }

  return this.vm.$validator;
};

prototypeAccessors$1.isRequired.get = function () {
  return !!this.rules.required || this.forceRequired;
};

prototypeAccessors$1.isDisabled.get = function () {
  return !!(this.el && this.el.disabled);
};

/**
 * Gets the display name (user-friendly name).
 */
prototypeAccessors$1.alias.get = function () {
  if (this._alias) {
    return this._alias;
  }

  var alias = null;
  if (this.ctorConfig && this.ctorConfig.alias) {
    alias = isCallable(this.ctorConfig.alias) ? this.ctorConfig.alias.call(this.componentInstance) : this.ctorConfig.alias;
  }

  if (!alias && this.el) {
    alias = getDataAttribute(this.el, 'as');
  }

  if (!alias && this.componentInstance) {
    return this.componentInstance.$attrs && this.componentInstance.$attrs['data-vv-as'];
  }

  return alias;
};

/**
 * Gets the input value.
 */

prototypeAccessors$1.value.get = function () {
  if (!isCallable(this.getter)) {
    return undefined;
  }

  return this.getter();
};

prototypeAccessors$1.bails.get = function () {
  return this._bails;
};

/**
 * If the field rejects false as a valid value for the required rule.
 */

prototypeAccessors$1.rejectsFalse.get = function () {
  if (this.componentInstance && this.ctorConfig) {
    return !!this.ctorConfig.rejectsFalse;
  }

  if (!this.el) {
    return false;
  }

  return this.el.type === 'checkbox';
};

/**
 * Determines if the instance matches the options provided.
 */
Field.prototype.matches = function matches (options) {
    var this$1 = this;

  if (!options) {
    return true;
  }

  if (options.id) {
    return this.id === options.id;
  }

  var matchesComponentId = isNullOrUndefined(options.vmId) ? function () { return true; } : function (id) { return id === this$1.vmId; };
  if (!matchesComponentId(options.vmId)) {
    return false;
  }

  if (options.name === undefined && options.scope === undefined) {
    return true;
  }

  if (options.scope === undefined) {
    return this.name === options.name;
  }

  if (options.name === undefined) {
    return this.scope === options.scope;
  }

  return options.name === this.name && options.scope === this.scope;
};

/**
 * Caches the field id.
 */
Field.prototype._cacheId = function _cacheId (options) {
  if (this.el && !options.targetOf) {
    this.el._veeValidateId = this.id;
  }
};

/**
 * Keeps a reference of the most current validation run.
 */
Field.prototype.waitFor = function waitFor (pendingPromise) {
  this._waitingFor = pendingPromise;
};

Field.prototype.isWaitingFor = function isWaitingFor (promise) {
  return this._waitingFor === promise;
};

/**
 * Updates the field with changed data.
 */
Field.prototype.update = function update (options) {
    var this$1 = this;

  this.targetOf = options.targetOf || null;
  this.immediate = options.immediate || this.immediate || false;
  this.persist = options.persist || this.persist || false;

  // update errors scope if the field scope was changed.
  if (!isNullOrUndefined(options.scope) && options.scope !== this.scope && isCallable(this.validator.update)) {
    this.validator.update(this.id, { scope: options.scope });
  }
  this.scope = !isNullOrUndefined(options.scope) ? options.scope
    : !isNullOrUndefined(this.scope) ? this.scope : null;
  this.name = (!isNullOrUndefined(options.name) ? String(options.name) : options.name) || this.name || null;
  this.rules = options.rules !== undefined ? normalizeRules(options.rules) : this.rules;
  this._bails = options.bails !== undefined ? options.bails : this._bails;
  this.model = options.model || this.model;
  this.listen = options.listen !== undefined ? options.listen : this.listen;
  this.classes = (options.classes || this.classes || false) && !this.componentInstance;
  this.classNames = isObject(options.classNames) ? merge(this.classNames, options.classNames) : this.classNames;
  this.getter = isCallable(options.getter) ? options.getter : this.getter;
  this._alias = options.alias || this._alias;
  this.events = (options.events) ? normalizeEvents(options.events) : this.events;
  this.delay = makeDelayObject(this.events, options.delay || this.delay, this._delay);
  this.updateDependencies();
  this.addActionListeners();

  if ( true && !this.name && !this.targetOf) {
    warn('A field is missing a "name" or "data-vv-name" attribute');
  }

  // update required flag flags
  if (options.rules !== undefined) {
    this.flags.required = this.isRequired;
  }

  if (Object.keys(options.rules || {}).length === 0 && this.updated) {
    var resetFlag = this.flags.validated;
    this.validator.validate(("#" + (this.id))).then(function () {
      this$1.flags.validated = resetFlag;
    });
  }

  // validate if it was validated before and field was updated and there was a rules mutation.
  if (this.flags.validated && options.rules !== undefined && this.updated) {
    this.validator.validate(("#" + (this.id)));
  }

  this.updated = true;
  this.addValueListeners();

  // no need to continue.
  if (!this.el) {
    return;
  }
  this.updateClasses();
  this.updateAriaAttrs();
};

/**
 * Resets field flags and errors.
 */
Field.prototype.reset = function reset () {
    var this$1 = this;

  if (this._cancellationToken) {
    this._cancellationToken.cancelled = true;
    delete this._cancellationToken;
  }

  var defaults = createFlags();
  Object.keys(this.flags).filter(function (flag) { return flag !== 'required'; }).forEach(function (flag) {
    this$1.flags[flag] = defaults[flag];
  });

  // update initial value
  this.initialValue = this.value;
  this.flags.changed = false;

  this.addValueListeners();
  this.addActionListeners();
  this.updateClasses(true);
  this.updateAriaAttrs();
  this.updateCustomValidity();
};

/**
 * Sets the flags and their negated counterparts, and updates the classes and re-adds action listeners.
 */
Field.prototype.setFlags = function setFlags (flags) {
    var this$1 = this;

  var negated = {
    pristine: 'dirty',
    dirty: 'pristine',
    valid: 'invalid',
    invalid: 'valid',
    touched: 'untouched',
    untouched: 'touched'
  };

  Object.keys(flags).forEach(function (flag) {
    this$1.flags[flag] = flags[flag];
    // if it has a negation and was not specified, set it as well.
    if (negated[flag] && flags[negated[flag]] === undefined) {
      this$1.flags[negated[flag]] = !flags[flag];
    }
  });

  if (
    flags.untouched !== undefined ||
    flags.touched !== undefined ||
    flags.dirty !== undefined ||
    flags.pristine !== undefined
  ) {
    this.addActionListeners();
  }
  this.updateClasses();
  this.updateAriaAttrs();
  this.updateCustomValidity();
};

/**
 * Determines if the field requires references to target fields.
*/
Field.prototype.updateDependencies = function updateDependencies () {
    var this$1 = this;

  // reset dependencies.
  this.dependencies.forEach(function (d) { return d.field.destroy(); });
  this.dependencies = [];

  // we get the selectors for each field.
  var fields = Object.keys(this.rules).reduce(function (prev, r) {
    if (RuleContainer.isTargetRule(r)) {
      prev.push({ selector: this$1.rules[r][0], name: r });
    }

    return prev;
  }, []);

  if (!fields.length || !this.vm || !this.vm.$el) { return; }

  // must be contained within the same component, so we use the vm root element constrain our dom search.
  fields.forEach(function (ref$1) {
      var selector = ref$1.selector;
      var name = ref$1.name;

    var ref = this$1.vm.$refs[selector];
    var el = Array.isArray(ref) ? ref[0] : ref;
    if (!el) {
      return;
    }

    var options = {
      vm: this$1.vm,
      classes: this$1.classes,
      classNames: this$1.classNames,
      delay: this$1.delay,
      scope: this$1.scope,
      events: this$1.events.join('|'),
      immediate: this$1.immediate,
      targetOf: this$1.id
    };

    // probably a component.
    if (isCallable(el.$watch)) {
      options.component = el;
      options.el = el.$el;
      options.getter = Resolver.resolveGetter(el.$el, el.$vnode);
    } else {
      options.el = el;
      options.getter = Resolver.resolveGetter(el, {});
    }

    this$1.dependencies.push({ name: name, field: new Field(options) });
  });
};

/**
 * Removes listeners.
 */
Field.prototype.unwatch = function unwatch (tag) {
    if ( tag === void 0 ) tag = null;

  if (!tag) {
    this.watchers.forEach(function (w) { return w.unwatch(); });
    this.watchers = [];
    return;
  }

  this.watchers.filter(function (w) { return tag.test(w.tag); }).forEach(function (w) { return w.unwatch(); });
  this.watchers = this.watchers.filter(function (w) { return !tag.test(w.tag); });
};

/**
 * Updates the element classes depending on each field flag status.
 */
Field.prototype.updateClasses = function updateClasses (isReset) {
    var this$1 = this;
    if ( isReset === void 0 ) isReset = false;

  if (!this.classes || this.isDisabled) { return; }
  var applyClasses = function (el) {
    toggleClass(el, this$1.classNames.dirty, this$1.flags.dirty);
    toggleClass(el, this$1.classNames.pristine, this$1.flags.pristine);
    toggleClass(el, this$1.classNames.touched, this$1.flags.touched);
    toggleClass(el, this$1.classNames.untouched, this$1.flags.untouched);

    // remove valid/invalid classes on reset.
    if (isReset) {
      toggleClass(el, this$1.classNames.valid, false);
      toggleClass(el, this$1.classNames.invalid, false);
    }

    // make sure we don't set any classes if the state is undetermined.
    if (!isNullOrUndefined(this$1.flags.valid) && this$1.flags.validated) {
      toggleClass(el, this$1.classNames.valid, this$1.flags.valid);
    }

    if (!isNullOrUndefined(this$1.flags.invalid) && this$1.flags.validated) {
      toggleClass(el, this$1.classNames.invalid, this$1.flags.invalid);
    }
  };

  if (!isCheckboxOrRadioInput(this.el)) {
    applyClasses(this.el);
    return;
  }

  var els = document.querySelectorAll(("input[name=\"" + (this.el.name) + "\"]"));
  toArray(els).forEach(applyClasses);
};

/**
 * Adds the listeners required for automatic classes and some flags.
 */
Field.prototype.addActionListeners = function addActionListeners () {
    var this$1 = this;

  // remove previous listeners.
  this.unwatch(/class/);

  if (!this.el) { return; }

  var onBlur = function () {
    this$1.flags.touched = true;
    this$1.flags.untouched = false;
    if (this$1.classes) {
      toggleClass(this$1.el, this$1.classNames.touched, true);
      toggleClass(this$1.el, this$1.classNames.untouched, false);
    }

    // only needed once.
    this$1.unwatch(/^class_blur$/);
  };

  var inputEvent = isTextInput(this.el) ? 'input' : 'change';
  var onInput = function () {
    this$1.flags.dirty = true;
    this$1.flags.pristine = false;
    if (this$1.classes) {
      toggleClass(this$1.el, this$1.classNames.pristine, false);
      toggleClass(this$1.el, this$1.classNames.dirty, true);
    }

    // only needed once.
    this$1.unwatch(/^class_input$/);
  };

  if (this.componentInstance && isCallable(this.componentInstance.$once)) {
    this.componentInstance.$once('input', onInput);
    this.componentInstance.$once('blur', onBlur);
    this.watchers.push({
      tag: 'class_input',
      unwatch: function () {
        this$1.componentInstance.$off('input', onInput);
      }
    });
    this.watchers.push({
      tag: 'class_blur',
      unwatch: function () {
        this$1.componentInstance.$off('blur', onBlur);
      }
    });
    return;
  }

  if (!this.el) { return; }

  addEventListener(this.el, inputEvent, onInput);
  // Checkboxes and radio buttons on Mac don't emit blur naturally, so we listen on click instead.
  var blurEvent = isCheckboxOrRadioInput(this.el) ? 'change' : 'blur';
  addEventListener(this.el, blurEvent, onBlur);
  this.watchers.push({
    tag: 'class_input',
    unwatch: function () {
      this$1.el.removeEventListener(inputEvent, onInput);
    }
  });

  this.watchers.push({
    tag: 'class_blur',
    unwatch: function () {
      this$1.el.removeEventListener(blurEvent, onBlur);
    }
  });
};

Field.prototype.checkValueChanged = function checkValueChanged () {
  // handle some people initialize the value to null, since text inputs have empty string value.
  if (this.initialValue === null && this.value === '' && isTextInput(this.el)) {
    return false;
  }

  return this.value !== this.initialValue;
};

/**
 * Determines the suitable primary event to listen for.
 */
Field.prototype._determineInputEvent = function _determineInputEvent () {
  // if its a custom component, use the customized model event or the input event.
  if (this.componentInstance) {
    return (this.componentInstance.$options.model && this.componentInstance.$options.model.event) || 'input';
  }

  if (this.model && this.model.lazy) {
    return 'change';
  }

  if (isTextInput(this.el)) {
    return 'input';
  }

  return 'change';
};

/**
 * Determines the list of events to listen to.
 */
Field.prototype._determineEventList = function _determineEventList (defaultInputEvent) {
    var this$1 = this;

  // if no event is configured, or it is a component or a text input then respect the user choice.
  if (!this.events.length || this.componentInstance || isTextInput(this.el)) {
    return [].concat( this.events ).map(function (evt) {
      if (evt === 'input' && this$1.model && this$1.model.lazy) {
        return 'change';
      }

      return evt;
    });
  }

  // force suitable event for non-text type fields.
  return this.events.map(function (e) {
    if (e === 'input') {
      return defaultInputEvent;
    }

    return e;
  });
};

/**
 * Adds the listeners required for validation.
 */
Field.prototype.addValueListeners = function addValueListeners () {
    var this$1 = this;

  this.unwatch(/^input_.+/);
  if (!this.listen || !this.el) { return; }

  var token = { cancelled: false };
  var fn = this.targetOf ? function () {
    var target = this$1.validator._resolveField(("#" + (this$1.targetOf)));
    if (target && target.flags.validated) {
      this$1.validator.validate(("#" + (this$1.targetOf)));
    }
  } : function () {
      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];

    // if its a DOM event, resolve the value, otherwise use the first parameter as the value.
    if (args.length === 0 || isEvent(args[0])) {
      args[0] = this$1.value;
    }

    this$1.flags.pending = true;
    this$1._cancellationToken = token;
    this$1.validator.validate(("#" + (this$1.id)), args[0]);
  };

  var inputEvent = this._determineInputEvent();
  var events = this._determineEventList(inputEvent);

  // if on input validation is requested.
  if (includes(events, inputEvent)) {
    var ctx = null;
    var expression = null;
    var watchCtxVm = false;
    // if its watchable from the context vm.
    if (this.model && this.model.expression) {
      ctx = this.vm;
      expression = this.model.expression;
      watchCtxVm = true;
    }

    // watch it from the custom component vm instead.
    if (!expression && this.componentInstance && this.componentInstance.$options.model) {
      ctx = this.componentInstance;
      expression = this.componentInstance.$options.model.prop || 'value';
    }

    if (ctx && expression) {
      var debouncedFn = debounce(fn, this.delay[inputEvent], token);
      var unwatch = ctx.$watch(expression, debouncedFn);
      this.watchers.push({
        tag: 'input_model',
        unwatch: function () {
          this$1.vm.$nextTick(function () {
            unwatch();
          });
        }
      });

      // filter out input event when we are watching from the context vm.
      if (watchCtxVm) {
        events = events.filter(function (e) { return e !== inputEvent; });
      }
    }
  }

  // Add events.
  events.forEach(function (e) {
    var debouncedFn = debounce(fn, this$1.delay[e], token);

    this$1._addComponentEventListener(e, debouncedFn);
    this$1._addHTMLEventListener(e, debouncedFn);
  });
};

Field.prototype._addComponentEventListener = function _addComponentEventListener (evt, validate) {
    var this$1 = this;

  if (!this.componentInstance) { return; }

  this.componentInstance.$on(evt, validate);
  this.watchers.push({
    tag: 'input_vue',
    unwatch: function () {
      this$1.componentInstance.$off(evt, validate);
    }
  });
};

Field.prototype._addHTMLEventListener = function _addHTMLEventListener (evt, validate) {
    var this$1 = this;

  if (!this.el || this.componentInstance) { return; }

  // listen for the current element.
  var addListener = function (el) {
    addEventListener(el, evt, validate);
    this$1.watchers.push({
      tag: 'input_native',
      unwatch: function () {
        el.removeEventListener(evt, validate);
      }
    });
  };

  addListener(this.el);
  if (!isCheckboxOrRadioInput(this.el)) {
    return;
  }

  var els = document.querySelectorAll(("input[name=\"" + (this.el.name) + "\"]"));
  toArray(els).forEach(function (el) {
    // skip if it is added by v-validate and is not the current element.
    if (el._veeValidateId && el !== this$1.el) {
      return;
    }

    addListener(el);
  });
};

/**
 * Updates aria attributes on the element.
 */
Field.prototype.updateAriaAttrs = function updateAriaAttrs () {
    var this$1 = this;

  if (!this.aria || !this.el || !isCallable(this.el.setAttribute)) { return; }

  var applyAriaAttrs = function (el) {
    el.setAttribute('aria-required', this$1.isRequired ? 'true' : 'false');
    el.setAttribute('aria-invalid', this$1.flags.invalid ? 'true' : 'false');
  };

  if (!isCheckboxOrRadioInput(this.el)) {
    applyAriaAttrs(this.el);
    return;
  }

  var els = document.querySelectorAll(("input[name=\"" + (this.el.name) + "\"]"));
  toArray(els).forEach(applyAriaAttrs);
};

/**
 * Updates the custom validity for the field.
 */
Field.prototype.updateCustomValidity = function updateCustomValidity () {
  if (!this.validity || !this.el || !isCallable(this.el.setCustomValidity) || !this.validator.errors) { return; }

  this.el.setCustomValidity(this.flags.valid ? '' : (this.validator.errors.firstById(this.id) || ''));
};

/**
 * Removes all listeners.
 */
Field.prototype.destroy = function destroy () {
  // ignore the result of any ongoing validation.
  if (this._cancellationToken) {
    this._cancellationToken.cancelled = true;
  }

  this.unwatch();
  this.dependencies.forEach(function (d) { return d.field.destroy(); });
  this.dependencies = [];
};

Object.defineProperties( Field.prototype, prototypeAccessors$1 );

// 

var FieldBag = function FieldBag (items) {
  if ( items === void 0 ) items = [];

  this.items = items || [];
  this.itemsById = this.items.reduce(function (itemsById, item) {
    itemsById[item.id] = item;
    return itemsById;
  }, {});
};

var prototypeAccessors$2 = { length: { configurable: true } };

FieldBag.prototype[typeof Symbol === 'function' ? Symbol.iterator : '@@iterator'] = function () {
    var this$1 = this;

  var index = 0;
  return {
    next: function () {
      return { value: this$1.items[index++], done: index > this$1.items.length };
    }
  };
};

/**
 * Gets the current items length.
 */

prototypeAccessors$2.length.get = function () {
  return this.items.length;
};

/**
 * Finds the first field that matches the provided matcher object.
 */
FieldBag.prototype.find = function find$1 (matcher) {
  return find(this.items, function (item) { return item.matches(matcher); });
};

/**
 * Finds the field with the given id, using a plain object as a map to link
 * ids to items faster than by looping over the array and matching.
 */
FieldBag.prototype.findById = function findById (id) {
  return this.itemsById[id] || null;
};

/**
 * Filters the items down to the matched fields.
 */
FieldBag.prototype.filter = function filter (matcher) {
  // multiple matchers to be tried.
  if (Array.isArray(matcher)) {
    return this.items.filter(function (item) { return matcher.some(function (m) { return item.matches(m); }); });
  }

  return this.items.filter(function (item) { return item.matches(matcher); });
};

/**
 * Maps the field items using the mapping function.
 */
FieldBag.prototype.map = function map (mapper) {
  return this.items.map(mapper);
};

/**
 * Finds and removes the first field that matches the provided matcher object, returns the removed item.
 */
FieldBag.prototype.remove = function remove (matcher) {
  var item = null;
  if (matcher instanceof Field) {
    item = matcher;
  } else {
    item = this.find(matcher);
  }

  if (!item) { return null; }

  var index = this.items.indexOf(item);
  this.items.splice(index, 1);
  delete this.itemsById[item.id];

  return item;
};

/**
 * Adds a field item to the list.
 */
FieldBag.prototype.push = function push (item) {
  if (! (item instanceof Field)) {
    throw createError('FieldBag only accepts instances of Field that has an id defined.');
  }

  if (!item.id) {
    throw createError('Field id must be defined.');
  }

  if (this.findById(item.id)) {
    throw createError(("Field with id " + (item.id) + " is already added."));
  }

  this.items.push(item);
  this.itemsById[item.id] = item;
};

Object.defineProperties( FieldBag.prototype, prototypeAccessors$2 );

var ScopedValidator = function ScopedValidator (base, vm) {
  this.id = vm._uid;
  this._base = base;
  this._paused = false;

  // create a mirror bag with limited component scope.
  this.errors = new ErrorBag(base.errors, this.id);
};

var prototypeAccessors$3 = { flags: { configurable: true },rules: { configurable: true },fields: { configurable: true },dictionary: { configurable: true },locale: { configurable: true } };

prototypeAccessors$3.flags.get = function () {
    var this$1 = this;

  return this._base.fields.items.filter(function (f) { return f.vmId === this$1.id; }).reduce(function (acc, field) {
    if (field.scope) {
      if (!acc[("$" + (field.scope))]) {
        acc[("$" + (field.scope))] = {};
      }

      acc[("$" + (field.scope))][field.name] = field.flags;
    }

    acc[field.name] = field.flags;

    return acc;
  }, {});
};

prototypeAccessors$3.rules.get = function () {
  return this._base.rules;
};

prototypeAccessors$3.fields.get = function () {
  return new FieldBag(this._base.fields.filter({ vmId: this.id }));
};

prototypeAccessors$3.dictionary.get = function () {
  return this._base.dictionary;
};

prototypeAccessors$3.locale.get = function () {
  return this._base.locale;
};

prototypeAccessors$3.locale.set = function (val) {
  this._base.locale = val;
};

ScopedValidator.prototype.localize = function localize () {
    var ref;

    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];
  return (ref = this._base).localize.apply(ref, args);
};

ScopedValidator.prototype.update = function update () {
    var ref;

    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];
  return (ref = this._base).update.apply(ref, args);
};

ScopedValidator.prototype.attach = function attach (opts) {
  var attachOpts = assign({}, opts, { vmId: this.id });

  return this._base.attach(attachOpts);
};

ScopedValidator.prototype.pause = function pause () {
  this._paused = true;
};

ScopedValidator.prototype.resume = function resume () {
  this._paused = false;
};

ScopedValidator.prototype.remove = function remove (ruleName) {
  return this._base.remove(ruleName);
};

ScopedValidator.prototype.detach = function detach (name, scope) {
  return this._base.detach(name, scope, this.id);
};

ScopedValidator.prototype.extend = function extend () {
    var ref;

    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];
  return (ref = this._base).extend.apply(ref, args);
};

ScopedValidator.prototype.validate = function validate (descriptor, value, opts) {
    if ( opts === void 0 ) opts = {};

  if (this._paused) { return Promise.resolve(true); }

  return this._base.validate(descriptor, value, assign({}, { vmId: this.id }, opts || {}));
};

ScopedValidator.prototype.verify = function verify () {
    var ref;

    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];
  return (ref = this._base).verify.apply(ref, args);
};

ScopedValidator.prototype.validateAll = function validateAll (values, opts) {
    if ( opts === void 0 ) opts = {};

  if (this._paused) { return Promise.resolve(true); }

  return this._base.validateAll(values, assign({}, { vmId: this.id }, opts || {}));
};

ScopedValidator.prototype.validateScopes = function validateScopes (opts) {
    if ( opts === void 0 ) opts = {};

  if (this._paused) { return Promise.resolve(true); }

  return this._base.validateScopes(assign({}, { vmId: this.id }, opts || {}));
};

ScopedValidator.prototype.destroy = function destroy () {
  delete this.id;
  delete this._base;
};

ScopedValidator.prototype.reset = function reset (matcher) {
  return this._base.reset(Object.assign({}, matcher || {}, { vmId: this.id }));
};

ScopedValidator.prototype.flag = function flag () {
    var ref;

    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];
  return (ref = this._base).flag.apply(ref, args.concat( [this.id] ));
};

ScopedValidator.prototype._resolveField = function _resolveField () {
    var ref;

    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];
  return (ref = this._base)._resolveField.apply(ref, args);
};

Object.defineProperties( ScopedValidator.prototype, prototypeAccessors$3 );

var VALIDATOR = null;

var getValidator = function () {
  return VALIDATOR;
};

var setValidator = function (value) {
  VALIDATOR = value;

  return value;
};

// 

/**
 * Checks if a parent validator instance was requested.
 */
var requestsValidator = function (injections) {
  if (isObject(injections) && injections.$validator) {
    return true;
  }

  return false;
};

var mixin = {
  provide: function provide () {
    if (this.$validator && !isBuiltInComponent(this.$vnode)) {
      return {
        $validator: this.$validator
      };
    }

    return {};
  },
  beforeCreate: function beforeCreate () {
    // if built in do nothing.
    if (isBuiltInComponent(this.$vnode) || this.$options.$__veeInject === false) {
      return;
    }

    // if its a root instance set the config if it exists.
    if (!this.$parent) {
      setConfig(this.$options.$_veeValidate || {});
    }

    var options = resolveConfig(this);

    // if its a root instance, inject anyways, or if it requested a new instance.
    if (!this.$parent || (this.$options.$_veeValidate && /new/.test(this.$options.$_veeValidate.validator))) {
      this.$validator = new ScopedValidator(getValidator(), this);
    }

    var requested = requestsValidator(this.$options.inject);

    // if automatic injection is enabled and no instance was requested.
    if (! this.$validator && options.inject && !requested) {
      this.$validator = new ScopedValidator(getValidator(), this);
    }

    // don't inject errors or fieldBag as no validator was resolved.
    if (!requested && !this.$validator) {
      return;
    }

    // There is a validator but it isn't injected, mark as reactive.
    if (!requested && this.$validator) {
      var Vue = this.$options._base; // the vue constructor.
      Vue.util.defineReactive(this.$validator, 'errors', this.$validator.errors);
    }

    if (!this.$options.computed) {
      this.$options.computed = {};
    }

    this.$options.computed[options.errorBagName || 'errors'] = function errorBagGetter () {
      return this.$validator.errors;
    };
    this.$options.computed[options.fieldsBagName || 'fields'] = function fieldBagGetter () {
      return this.$validator.fields.items.reduce(function (acc, field) {
        if (field.scope) {
          if (!acc[("$" + (field.scope))]) {
            acc[("$" + (field.scope))] = {};
          }

          acc[("$" + (field.scope))][field.name] = field.flags;

          return acc;
        }

        acc[field.name] = field.flags;

        return acc;
      }, {});
    };
  },
  beforeDestroy: function beforeDestroy () {
    if (this.$validator && this._uid === this.$validator.id) {
      this.$validator.errors.clear(); // remove errors generated by this component.
    }
  }
};

// 

/**
 * Finds the requested field by id from the context object.
 */
function findField (el, context) {
  if (!context || !context.$validator) {
    return null;
  }

  return context.$validator.fields.findById(el._veeValidateId);
}
var directive = {
  bind: function bind (el, binding, vnode) {
    var validator = vnode.context.$validator;
    if (!validator) {
      if (true) {
        warn("No validator instance is present on vm, did you forget to inject '$validator'?");
      }

      return;
    }

    var fieldOptions = Resolver.generate(el, binding, vnode);
    validator.attach(fieldOptions);
  },
  inserted: function inserted (el, binding, vnode) {
    var field = findField(el, vnode.context);
    var scope = Resolver.resolveScope(el, binding, vnode);

    // skip if scope hasn't changed.
    if (!field || scope === field.scope) { return; }

    // only update scope.
    field.update({ scope: scope });

    // allows the field to re-evaluated once more in the update hook.
    field.updated = false;
  },
  update: function update (el, binding, vnode) {
    var field = findField(el, vnode.context);

    // make sure we don't do unneccasary work if no important change was done.
    if (!field || (field.updated && isEqual(binding.value, binding.oldValue))) { return; }
    var scope = Resolver.resolveScope(el, binding, vnode);
    var rules = Resolver.resolveRules(el, binding, vnode);

    field.update({
      scope: scope,
      rules: rules
    });
  },
  unbind: function unbind (el, binding, ref) {
    var context = ref.context;

    var field = findField(el, context);
    if (!field) { return; }

    context.$validator.detach(field);
  }
};

// 

var Validator = function Validator (validations, options, pluginContainer) {
  if ( options === void 0 ) options = { fastExit: true };
  if ( pluginContainer === void 0 ) pluginContainer = null;

  this.errors = new ErrorBag();
  this.fields = new FieldBag();
  this._createFields(validations);
  this.paused = false;
  this.fastExit = !isNullOrUndefined(options && options.fastExit) ? options.fastExit : true;
  this.$vee = pluginContainer || {
    _vm: {
      $nextTick: function (cb) { return isCallable(cb) ? cb() : Promise.resolve(); },
      $emit: function () {},
      $off: function () {}
    }
  };
};

var prototypeAccessors$4 = { rules: { configurable: true },dictionary: { configurable: true },flags: { configurable: true },locale: { configurable: true } };
var staticAccessors$1 = { rules: { configurable: true },dictionary: { configurable: true },locale: { configurable: true } };

/**
 * @deprecated
 */
staticAccessors$1.rules.get = function () {
  if (true) {
    warn('this accessor will be deprecated, use `import { rules } from "vee-validate"` instead.');
  }

  return RuleContainer.rules;
};

/**
 * @deprecated
 */
prototypeAccessors$4.rules.get = function () {
  if (true) {
    warn('this accessor will be deprecated, use `import { rules } from "vee-validate"` instead.');
  }

  return RuleContainer.rules;
};

prototypeAccessors$4.dictionary.get = function () {
  return DictionaryResolver.getDriver();
};

staticAccessors$1.dictionary.get = function () {
  return DictionaryResolver.getDriver();
};

prototypeAccessors$4.flags.get = function () {
  return this.fields.items.reduce(function (acc, field) {
      var obj;

    if (field.scope) {
      acc[("$" + (field.scope))] = ( obj = {}, obj[field.name] = field.flags, obj );

      return acc;
    }

    acc[field.name] = field.flags;

    return acc;
  }, {});
};

/**
 * Getter for the current locale.
 */
prototypeAccessors$4.locale.get = function () {
  return Validator.locale;
};

/**
 * Setter for the validator locale.
 */
prototypeAccessors$4.locale.set = function (value) {
  Validator.locale = value;
};

staticAccessors$1.locale.get = function () {
  return DictionaryResolver.getDriver().locale;
};

/**
 * Setter for the validator locale.
 */
staticAccessors$1.locale.set = function (value) {
  var hasChanged = value !== DictionaryResolver.getDriver().locale;
  DictionaryResolver.getDriver().locale = value;
  if (hasChanged && Validator.$vee && Validator.$vee._vm) {
    Validator.$vee._vm.$emit('localeChanged');
  }
};

/**
 * Static constructor.
 * @deprecated
 */
Validator.create = function create (validations, options) {
  if (true) {
    warn('Please use `new` to create new validator instances.');
  }

  return new Validator(validations, options);
};

/**
 * Adds a custom validator to the list of validation rules.
 */
Validator.extend = function extend (name, validator, options) {
    if ( options === void 0 ) options = {};

  Validator._guardExtend(name, validator);
  // rules imported from the minimal bundle
  // will have the options embedded in them
  var mergedOpts = validator.options || {};
  Validator._merge(name, {
    validator: validator,
    paramNames: (options && options.paramNames) || validator.paramNames,
    options: assign({ hasTarget: false, immediate: true }, mergedOpts, options || {})
  });
};

/**
 * Removes a rule from the list of validators.
 * @deprecated
 */
Validator.remove = function remove (name) {
  if (true) {
    warn('this method will be deprecated, you can still override your rules with `extend`');
  }

  RuleContainer.remove(name);
};

/**
 * Adds and sets the current locale for the validator.
*/
Validator.prototype.localize = function localize (lang, dictionary) {
  Validator.localize(lang, dictionary);
};

/**
 * Adds and sets the current locale for the validator.
 */
Validator.localize = function localize (lang, dictionary) {
    var obj;

  if (isObject(lang)) {
    DictionaryResolver.getDriver().merge(lang);
    return;
  }

  // merge the dictionary.
  if (dictionary) {
    var locale = lang || dictionary.name;
    dictionary = assign({}, dictionary);
    DictionaryResolver.getDriver().merge(( obj = {}, obj[locale] = dictionary, obj ));
  }

  if (lang) {
    // set the locale.
    Validator.locale = lang;
  }
};

/**
 * Registers a field to be validated.
 */
Validator.prototype.attach = function attach (fieldOpts) {
    var this$1 = this;

  // We search for a field with the same name & scope, having persist enabled
  var oldFieldMatcher = { name: fieldOpts.name, scope: fieldOpts.scope, persist: true };
  var oldField = fieldOpts.persist ? this.fields.find(oldFieldMatcher) : null;

  if (oldField) {
    // We keep the flags of the old field, then we remove its instance
    fieldOpts.flags = oldField.flags;
    oldField.destroy();
    this.fields.remove(oldField);
  }

  // fixes initial value detection with v-model and select elements.
  var value = fieldOpts.initialValue;
  var field = new Field(fieldOpts);
  this.fields.push(field);

  // validate the field initially
  if (field.immediate) {
    this.$vee._vm.$nextTick(function () { return this$1.validate(("#" + (field.id)), value || field.value, { vmId: fieldOpts.vmId }); });
  } else {
    this._validate(field, value || field.value, { initial: true }).then(function (result) {
      field.flags.valid = result.valid;
      field.flags.invalid = !result.valid;
    });
  }

  return field;
};

/**
 * Sets the flags on a field.
 */
Validator.prototype.flag = function flag (name, flags, uid) {
    if ( uid === void 0 ) uid = null;

  var field = this._resolveField(name, undefined, uid);
  if (!field || !flags) {
    return;
  }

  field.setFlags(flags);
};

/**
 * Removes a field from the validator.
 */
Validator.prototype.detach = function detach (name, scope, uid) {
  var field = isCallable(name.destroy) ? name : this._resolveField(name, scope, uid);
  if (!field) { return; }

  // We destroy/remove the field & error instances if it's not a `persist` one
  if (!field.persist) {
    field.destroy();
    this.errors.remove(field.name, field.scope, field.vmId);
    this.fields.remove(field);
  }
};

/**
 * Adds a custom validator to the list of validation rules.
 */
Validator.prototype.extend = function extend (name, validator, options) {
    if ( options === void 0 ) options = {};

  Validator.extend(name, validator, options);
};

Validator.prototype.reset = function reset (matcher) {
    var this$1 = this;

  // two ticks
  return this.$vee._vm.$nextTick().then(function () {
    return this$1.$vee._vm.$nextTick();
  }).then(function () {
    this$1.fields.filter(matcher).forEach(function (field) {
      field.waitFor(null);
      field.reset(); // reset field flags.
      this$1.errors.remove(field.name, field.scope, matcher && matcher.vmId);
    });
  });
};

/**
 * Updates a field, updating both errors and flags.
 */
Validator.prototype.update = function update (id, ref) {
    var scope = ref.scope;

  var field = this._resolveField(("#" + id));
  if (!field) { return; }

  // remove old scope.
  this.errors.update(id, { scope: scope });
};

/**
 * Removes a rule from the list of validators.
 * @deprecated
 */
Validator.prototype.remove = function remove (name) {
  Validator.remove(name);
};

/**
 * Validates a value against a registered field validations.
 */
Validator.prototype.validate = function validate (fieldDescriptor, value, ref) {
    var this$1 = this;
    if ( ref === void 0 ) ref = {};
    var silent = ref.silent;
    var vmId = ref.vmId;

  if (this.paused) { return Promise.resolve(true); }

  // overload to validate all.
  if (isNullOrUndefined(fieldDescriptor)) {
    return this.validateScopes({ silent: silent, vmId: vmId });
  }

  // overload to validate scope-less fields.
  if (fieldDescriptor === '*') {
    return this.validateAll(undefined, { silent: silent, vmId: vmId });
  }

  // if scope validation was requested.
  if (/^(.+)\.\*$/.test(fieldDescriptor)) {
    var matched = fieldDescriptor.match(/^(.+)\.\*$/)[1];
    return this.validateAll(matched);
  }

  var field = this._resolveField(fieldDescriptor);
  if (!field) {
    return this._handleFieldNotFound(fieldDescriptor);
  }

  if (!silent) { field.flags.pending = true; }
  if (value === undefined) {
    value = field.value;
  }

  var validationPromise = this._validate(field, value);
  field.waitFor(validationPromise);

  return validationPromise.then(function (result) {
    if (!silent && field.isWaitingFor(validationPromise)) {
      // allow next validation to mutate the state.
      field.waitFor(null);
      this$1._handleValidationResults([result], vmId);
    }

    return result.valid;
  });
};

/**
 * Pauses the validator.
 */
Validator.prototype.pause = function pause () {
  this.paused = true;

  return this;
};

/**
 * Resumes the validator.
 */
Validator.prototype.resume = function resume () {
  this.paused = false;

  return this;
};

/**
 * Validates each value against the corresponding field validations.
 */
Validator.prototype.validateAll = function validateAll (values, ref) {
    var this$1 = this;
    if ( ref === void 0 ) ref = {};
    var silent = ref.silent;
    var vmId = ref.vmId;

  if (this.paused) { return Promise.resolve(true); }

  var matcher = null;
  var providedValues = false;

  if (typeof values === 'string') {
    matcher = { scope: values, vmId: vmId };
  } else if (isObject(values)) {
    matcher = Object.keys(values).map(function (key) {
      return { name: key, vmId: vmId, scope: null };
    });
    providedValues = true;
  } else if (Array.isArray(values)) {
    matcher = values.map(function (key) {
      return typeof key === 'object' ? Object.assign({ vmId: vmId }, key) : { name: key, vmId: vmId };
    });
  } else {
    matcher = { scope: null, vmId: vmId };
  }

  return Promise.all(
    this.fields.filter(matcher).map(function (field) { return this$1._validate(field, providedValues ? values[field.name] : field.value); })
  ).then(function (results) {
    if (!silent) {
      this$1._handleValidationResults(results, vmId);
    }

    return results.every(function (t) { return t.valid; });
  });
};

/**
 * Validates all scopes.
 */
Validator.prototype.validateScopes = function validateScopes (ref) {
    var this$1 = this;
    if ( ref === void 0 ) ref = {};
    var silent = ref.silent;
    var vmId = ref.vmId;

  if (this.paused) { return Promise.resolve(true); }

  return Promise.all(
    this.fields.filter({ vmId: vmId }).map(function (field) { return this$1._validate(field, field.value); })
  ).then(function (results) {
    if (!silent) {
      this$1._handleValidationResults(results, vmId);
    }

    return results.every(function (t) { return t.valid; });
  });
};

/**
 * Validates a value against the rules.
 */
Validator.prototype.verify = function verify (value, rules, options) {
    if ( options === void 0 ) options = {};

  var field = {
    name: (options && options.name) || '{field}',
    rules: normalizeRules(rules),
    bails: getPath('bails', options, true),
    forceRequired: false,
    get isRequired () {
      return !!this.rules.required || this.forceRequired;
    }
  };

  var targetRules = Object.keys(field.rules).filter(RuleContainer.isTargetRule);
  if (targetRules.length && options && isObject(options.values)) {
    field.dependencies = targetRules.map(function (rule) {
      var ref = field.rules[rule];
        var targetKey = ref[0];

      return {
        name: rule,
        field: { value: options.values[targetKey] }
      };
    });
  }

  return this._validate(field, value).then(function (result) {
    var errors = [];
    var ruleMap = {};
    result.errors.forEach(function (e) {
      errors.push(e.msg);
      ruleMap[e.rule] = e.msg;
    });

    return {
      valid: result.valid,
      errors: errors,
      failedRules: ruleMap
    };
  });
};

/**
 * Perform cleanup.
 */
Validator.prototype.destroy = function destroy () {
  this.$vee._vm.$off('localeChanged');
};

/**
 * Creates the fields to be validated.
 */
Validator.prototype._createFields = function _createFields (validations) {
    var this$1 = this;

  if (!validations) { return; }

  Object.keys(validations).forEach(function (field) {
    var options = assign({}, { name: field, rules: validations[field] });
    this$1.attach(options);
  });
};

/**
 * Date rules need the existence of a format, so date_format must be supplied.
 */
Validator.prototype._getDateFormat = function _getDateFormat (validations) {
  var format = null;
  if (validations.date_format && Array.isArray(validations.date_format)) {
    format = validations.date_format[0];
  }

  return format || DictionaryResolver.getDriver().getDateFormat(this.locale);
};

/**
 * Formats an error message for field and a rule.
 */
Validator.prototype._formatErrorMessage = function _formatErrorMessage (field, rule, data, targetName) {
    if ( data === void 0 ) data = {};
    if ( targetName === void 0 ) targetName = null;

  var name = this._getFieldDisplayName(field);
  var params = this._getLocalizedParams(rule, targetName);

  return DictionaryResolver.getDriver().getFieldMessage(this.locale, field.name, rule.name, [name, params, data]);
};

/**
 * We need to convert any object param to an array format since the locales do not handle params as objects yet.
 */
Validator.prototype._convertParamObjectToArray = function _convertParamObjectToArray (obj, ruleName) {
  if (Array.isArray(obj)) {
    return obj;
  }

  var paramNames = RuleContainer.getParamNames(ruleName);
  if (!paramNames || !isObject(obj)) {
    return obj;
  }

  return paramNames.reduce(function (prev, paramName) {
    if (paramName in obj) {
      prev.push(obj[paramName]);
    }

    return prev;
  }, []);
};

/**
 * Translates the parameters passed to the rule (mainly for target fields).
 */
Validator.prototype._getLocalizedParams = function _getLocalizedParams (rule, targetName) {
    if ( targetName === void 0 ) targetName = null;

  var params = this._convertParamObjectToArray(rule.params, rule.name);
  if (rule.options.hasTarget && params && params[0]) {
    var localizedName = targetName || DictionaryResolver.getDriver().getAttribute(this.locale, params[0], params[0]);
    return [localizedName].concat(params.slice(1));
  }

  return params;
};

/**
 * Resolves an appropriate display name, first checking 'data-as' or the registered 'prettyName'
 */
Validator.prototype._getFieldDisplayName = function _getFieldDisplayName (field) {
  return field.alias || DictionaryResolver.getDriver().getAttribute(this.locale, field.name, field.name);
};

/**
 * Converts an array of params to an object with named properties.
 * Only works if the rule is configured with a paramNames array.
 * Returns the same params if it cannot convert it.
 */
Validator.prototype._convertParamArrayToObj = function _convertParamArrayToObj (params, ruleName) {
  var paramNames = RuleContainer.getParamNames(ruleName);
  if (!paramNames) {
    return params;
  }

  if (isObject(params)) {
    // check if the object is either a config object or a single parameter that is an object.
    var hasKeys = paramNames.some(function (name) { return Object.keys(params).indexOf(name) !== -1; });
    // if it has some of the keys, return it as is.
    if (hasKeys) {
      return params;
    }
    // otherwise wrap the object in an array.
    params = [params];
  }

  // Reduce the paramsNames to a param object.
  return params.reduce(function (prev, value, idx) {
    prev[paramNames[idx]] = value;

    return prev;
  }, {});
};

/**
 * Tests a single input value against a rule.
 */
Validator.prototype._test = function _test (field, value, rule) {
    var this$1 = this;

  var validator = RuleContainer.getValidatorMethod(rule.name);
  var params = Array.isArray(rule.params) ? toArray(rule.params) : rule.params;
  if (!params) {
    params = [];
  }

  var targetName = null;
  if (!validator || typeof validator !== 'function') {
    return Promise.reject(createError(("No such validator '" + (rule.name) + "' exists.")));
  }

  // has field dependencies.
  if (rule.options.hasTarget && field.dependencies) {
    var target = find(field.dependencies, function (d) { return d.name === rule.name; });
    if (target) {
      targetName = target.field.alias;
      params = [target.field.value].concat(params.slice(1));
    }
  } else if (rule.name === 'required' && field.rejectsFalse) {
    // invalidate false if no args were specified and the field rejects false by default.
    params = params.length ? params : [true];
  }

  if (rule.options.isDate) {
    var dateFormat = this._getDateFormat(field.rules);
    if (rule.name !== 'date_format') {
      params.push(dateFormat);
    }
  }

  var result = validator(value, this._convertParamArrayToObj(params, rule.name));

  // If it is a promise.
  if (isCallable(result.then)) {
    return result.then(function (values) {
      var allValid = true;
      var data = {};
      if (Array.isArray(values)) {
        allValid = values.every(function (t) { return (isObject(t) ? t.valid : t); });
      } else { // Is a single object/boolean.
        allValid = isObject(values) ? values.valid : values;
        data = values.data;
      }

      return {
        valid: allValid,
        data: result.data,
        errors: allValid ? [] : [this$1._createFieldError(field, rule, data, targetName)]
      };
    });
  }

  if (!isObject(result)) {
    result = { valid: result, data: {} };
  }

  return {
    valid: result.valid,
    data: result.data,
    errors: result.valid ? [] : [this._createFieldError(field, rule, result.data, targetName)]
  };
};

/**
 * Merges a validator object into the RULES and Messages.
 */
Validator._merge = function _merge (name, ref) {
    var validator = ref.validator;
    var options = ref.options;
    var paramNames = ref.paramNames;

  var validate = isCallable(validator) ? validator : validator.validate;
  if (validator.getMessage) {
    DictionaryResolver.getDriver().setMessage(Validator.locale, name, validator.getMessage);
  }

  RuleContainer.add(name, {
    validate: validate,
    options: options,
    paramNames: paramNames
  });
};

/**
 * Guards from extension violations.
 */
Validator._guardExtend = function _guardExtend (name, validator) {
  if (isCallable(validator)) {
    return;
  }

  if (!isCallable(validator.validate)) {
    throw createError(
      ("Extension Error: The validator '" + name + "' must be a function or have a 'validate' method.")
    );
  }
};

/**
 * Creates a Field Error Object.
 */
Validator.prototype._createFieldError = function _createFieldError (field, rule, data, targetName) {
    var this$1 = this;

  return {
    id: field.id,
    vmId: field.vmId,
    field: field.name,
    msg: this._formatErrorMessage(field, rule, data, targetName),
    rule: rule.name,
    scope: field.scope,
    regenerate: function () {
      return this$1._formatErrorMessage(field, rule, data, targetName);
    }
  };
};

/**
 * Tries different strategies to find a field.
 */
Validator.prototype._resolveField = function _resolveField (name, scope, uid) {
  if (name[0] === '#') {
    return this.fields.findById(name.slice(1));
  }

  if (!isNullOrUndefined(scope)) {
    return this.fields.find({ name: name, scope: scope, vmId: uid });
  }

  if (includes(name, '.')) {
    var ref = name.split('.');
      var fieldScope = ref[0];
      var fieldName = ref.slice(1);
    var field = this.fields.find({ name: fieldName.join('.'), scope: fieldScope, vmId: uid });
    if (field) {
      return field;
    }
  }

  return this.fields.find({ name: name, scope: null, vmId: uid });
};

/**
 * Handles when a field is not found.
 */
Validator.prototype._handleFieldNotFound = function _handleFieldNotFound (name, scope) {
  var fullName = isNullOrUndefined(scope) ? name : ("" + (!isNullOrUndefined(scope) ? scope + '.' : '') + name);

  return Promise.reject(createError(
    ("Validating a non-existent field: \"" + fullName + "\". Use \"attach()\" first.")
  ));
};

/**
 * Handles validation results.
 */
Validator.prototype._handleValidationResults = function _handleValidationResults (results, vmId) {
    var this$1 = this;

  var matchers = results.map(function (result) { return ({ id: result.id }); });
  this.errors.removeById(matchers.map(function (m) { return m.id; }));
  // remove by name and scope to remove any custom errors added.
  results.forEach(function (result) {
    this$1.errors.remove(result.field, result.scope, vmId);
  });
  var allErrors = results.reduce(function (prev, curr) {
    prev.push.apply(prev, curr.errors);

    return prev;
  }, []);

  this.errors.add(allErrors);

  // handle flags.
  this.fields.filter(matchers).forEach(function (field) {
    var result = find(results, function (r) { return r.id === field.id; });
    field.setFlags({
      pending: false,
      valid: result.valid,
      validated: true
    });
  });
};

Validator.prototype._shouldSkip = function _shouldSkip (field, value) {
  // field is configured to run through the pipeline regardless
  if (field.bails === false) {
    return false;
  }

  // disabled fields are skipped if useConstraintAttrs is enabled in config
  if (field.isDisabled && getConfig().useConstraintAttrs) {
    return true;
  }

  // skip if the field is not required and has an empty value.
  return !field.isRequired && (isNullOrUndefined(value) || value === '' || isEmptyArray(value));
};

Validator.prototype._shouldBail = function _shouldBail (field) {
  // if the field was configured explicitly.
  if (field.bails !== undefined) {
    return field.bails;
  }

  return this.fastExit;
};

/**
 * Starts the validation process.
 */
Validator.prototype._validate = function _validate (field, value, ref) {
    var this$1 = this;
    if ( ref === void 0 ) ref = {};
    var initial = ref.initial;

  var requireRules = Object.keys(field.rules).filter(RuleContainer.isRequireRule);

  field.forceRequired = false;
  requireRules.forEach(function (rule) {
    var ruleOptions = RuleContainer.getOptions(rule);
    var result = this$1._test(field, value, { name: rule, params: field.rules[rule], options: ruleOptions });

    if (isCallable(result.then)) { throw createError('Require rules cannot be async'); }
    if (!isObject(result)) { throw createError('Require rules has to return an object (see docs)'); }

    if (result.data.required === true) {
      field.forceRequired = true;
    }
  });

  if (this._shouldSkip(field, value)) {
    return Promise.resolve({ valid: true, id: field.id, field: field.name, scope: field.scope, errors: [] });
  }

  var promises = [];
  var errors = [];
  var isExitEarly = false;
  if (isCallable(field.checkValueChanged)) {
    field.flags.changed = field.checkValueChanged();
  }

  // use of '.some()' is to break iteration in middle by returning true
  Object.keys(field.rules).filter(function (rule) {
    if (!initial || !RuleContainer.has(rule)) { return true; }

    return RuleContainer.isImmediate(rule);
  }).some(function (rule) {
    var ruleOptions = RuleContainer.getOptions(rule);
    var result = this$1._test(field, value, { name: rule, params: field.rules[rule], options: ruleOptions });
    if (isCallable(result.then)) {
      promises.push(result);
    } else if (!result.valid && this$1._shouldBail(field)) {
      errors.push.apply(errors, result.errors);
      isExitEarly = true;
    } else {
      // promisify the result.
      promises.push(new Promise(function (resolve) { return resolve(result); }));
    }

    return isExitEarly;
  });

  if (isExitEarly) {
    return Promise.resolve({ valid: false, errors: errors, id: field.id, field: field.name, scope: field.scope });
  }

  return Promise.all(promises).then(function (results) {
    return results.reduce(function (prev, v) {
        var ref;

      if (!v.valid) {
        (ref = prev.errors).push.apply(ref, v.errors);
      }

      prev.valid = prev.valid && v.valid;

      return prev;
    }, { valid: true, errors: errors, id: field.id, field: field.name, scope: field.scope });
  });
};

Object.defineProperties( Validator.prototype, prototypeAccessors$4 );
Object.defineProperties( Validator, staticAccessors$1 );

// 

var normalizeValue = function (value) {
  if (isObject(value)) {
    return Object.keys(value).reduce(function (prev, key) {
      prev[key] = normalizeValue(value[key]);

      return prev;
    }, {});
  }

  if (isCallable(value)) {
    return value('{0}', ['{1}', '{2}', '{3}']);
  }

  return value;
};

var normalizeFormat = function (locale) {
  // normalize messages
  var dictionary = {};
  if (locale.messages) {
    dictionary.messages = normalizeValue(locale.messages);
  }

  if (locale.custom) {
    dictionary.custom = normalizeValue(locale.custom);
  }

  if (locale.attributes) {
    dictionary.attributes = locale.attributes;
  }

  if (!isNullOrUndefined(locale.dateFormat)) {
    dictionary.dateFormat = locale.dateFormat;
  }

  return dictionary;
};

var I18nDictionary = function I18nDictionary (i18n, rootKey) {
  this.i18n = i18n;
  this.rootKey = rootKey;
};

var prototypeAccessors$5 = { locale: { configurable: true } };

prototypeAccessors$5.locale.get = function () {
  return this.i18n.locale;
};

prototypeAccessors$5.locale.set = function (value) {
  warn('Cannot set locale from the validator when using vue-i18n, use i18n.locale setter instead');
};

I18nDictionary.prototype.getDateFormat = function getDateFormat (locale) {
  return this.i18n.getDateTimeFormat(locale || this.locale);
};

I18nDictionary.prototype.setDateFormat = function setDateFormat (locale, value) {
  this.i18n.setDateTimeFormat(locale || this.locale, value);
};

I18nDictionary.prototype.getMessage = function getMessage (_, key, data) {
  var path = (this.rootKey) + ".messages." + key;
  var dataOptions = data;

  if (Array.isArray(data)) {
    dataOptions = [].concat.apply([], data);
  }

  if (this.i18n.te(path)) {
    return this.i18n.t(path, dataOptions);
  }

  // fallback to the fallback message
  if (this.i18n.te(path, this.i18n.fallbackLocale)) {
    return this.i18n.t(path, this.i18n.fallbackLocale, dataOptions);
  }

  // fallback to the root message
  return this.i18n.t(((this.rootKey) + ".messages._default"), dataOptions);
};

I18nDictionary.prototype.getAttribute = function getAttribute (_, key, fallback) {
    if ( fallback === void 0 ) fallback = '';

  var path = (this.rootKey) + ".attributes." + key;
  if (this.i18n.te(path)) {
    return this.i18n.t(path);
  }

  return fallback;
};

I18nDictionary.prototype.getFieldMessage = function getFieldMessage (_, field, key, data) {
  var path = (this.rootKey) + ".custom." + field + "." + key;
  if (this.i18n.te(path)) {
    return this.i18n.t(path, data);
  }

  return this.getMessage(_, key, data);
};

I18nDictionary.prototype.merge = function merge$1 (dictionary) {
    var this$1 = this;

  Object.keys(dictionary).forEach(function (localeKey) {
      var obj;

    // i18n doesn't deep merge
    // first clone the existing locale (avoid mutations to locale)
    var clone = merge({}, getPath((localeKey + "." + (this$1.rootKey)), this$1.i18n.messages, {}));
    // Merge cloned locale with new one
    var locale = merge(clone, normalizeFormat(dictionary[localeKey]));
    this$1.i18n.mergeLocaleMessage(localeKey, ( obj = {}, obj[this$1.rootKey] = locale, obj ));
    if (locale.dateFormat) {
      this$1.i18n.setDateTimeFormat(localeKey, locale.dateFormat);
    }
  });
};

I18nDictionary.prototype.setMessage = function setMessage (locale, key, value) {
    var obj, obj$1;

  this.merge(( obj$1 = {}, obj$1[locale] = {
      messages: ( obj = {}, obj[key] = value, obj )
    }, obj$1 ));
};

I18nDictionary.prototype.setAttribute = function setAttribute (locale, key, value) {
    var obj, obj$1;

  this.merge(( obj$1 = {}, obj$1[locale] = {
      attributes: ( obj = {}, obj[key] = value, obj )
    }, obj$1 ));
};

Object.defineProperties( I18nDictionary.prototype, prototypeAccessors$5 );

var aggressive = function () { return ({
  on: ['input']
}); };

var lazy = function () { return ({
  on: ['change']
}); };

var eager = function (ref) {
  var errors = ref.errors;

  if (errors.length) {
    return {
      on: ['input']
    };
  }

  return {
    on: ['change', 'blur']
  };
};

var passive = function () { return ({
  on: []
}); };

var modes = {
  aggressive: aggressive,
  eager: eager,
  passive: passive,
  lazy: lazy
};

// 

var Vue;
var pendingPlugins;
var pluginInstance;

var VeeValidate$1 = function VeeValidate (config, _Vue) {
  this.configure(config);
  pluginInstance = this;
  if (_Vue) {
    Vue = _Vue;
  }
  this._validator = setValidator(
    new Validator(null, { fastExit: config && config.fastExit }, this)
  );
  this._initVM(this.config);
  this._initI18n(this.config);
};

var prototypeAccessors$6 = { i18nDriver: { configurable: true },config: { configurable: true } };
var staticAccessors$2 = { i18nDriver: { configurable: true },config: { configurable: true } };

VeeValidate$1.setI18nDriver = function setI18nDriver (driver, instance) {
  DictionaryResolver.setDriver(driver, instance);
};

VeeValidate$1.configure = function configure (cfg) {
  setConfig(cfg);
};

VeeValidate$1.setMode = function setMode (mode, implementation) {
  setConfig({ mode: mode });
  if (!implementation) {
    return;
  }

  if (!isCallable(implementation)) {
    throw new Error('A mode implementation must be a function');
  }

  modes[mode] = implementation;
};

VeeValidate$1.use = function use (plugin, options) {
    if ( options === void 0 ) options = {};

  if (!isCallable(plugin)) {
    return warn('The plugin must be a callable function');
  }

  // Don't install plugins until vee-validate is installed.
  if (!pluginInstance) {
    if (!pendingPlugins) {
      pendingPlugins = [];
    }
    pendingPlugins.push({ plugin: plugin, options: options });
    return;
  }

  plugin({ Validator: Validator, ErrorBag: ErrorBag, Rules: Validator.rules }, options);
};
VeeValidate$1.install = function install (_Vue, opts) {
  if (Vue && _Vue === Vue) {
    if (true) {
      warn('already installed, Vue.use(VeeValidate) should only be called once.');
    }
    return;
  }

  Vue = _Vue;
  pluginInstance = new VeeValidate$1(opts);
  // inject the plugin container statically into the validator class
  Validator.$vee = pluginInstance;

  detectPassiveSupport();

  Vue.mixin(mixin);
  Vue.directive('validate', directive);
  if (pendingPlugins) {
    pendingPlugins.forEach(function (ref) {
        var plugin = ref.plugin;
        var options = ref.options;

      VeeValidate$1.use(plugin, options);
    });
    pendingPlugins = null;
  }
};

prototypeAccessors$6.i18nDriver.get = function () {
  return DictionaryResolver.getDriver();
};

staticAccessors$2.i18nDriver.get = function () {
  return DictionaryResolver.getDriver();
};

prototypeAccessors$6.config.get = function () {
  return getConfig();
};

staticAccessors$2.config.get = function () {
  return getConfig();
};

VeeValidate$1.prototype._initVM = function _initVM (config) {
    var this$1 = this;

  this._vm = new Vue({
    data: function () { return ({
      errors: this$1._validator.errors,
      fields: this$1._validator.fields
    }); }
  });
};

VeeValidate$1.prototype._initI18n = function _initI18n (config) {
    var this$1 = this;

  var dictionary = config.dictionary;
    var i18n = config.i18n;
    var i18nRootKey = config.i18nRootKey;
    var locale = config.locale;
  var onLocaleChanged = function () {
    if (dictionary) {
      this$1.i18nDriver.merge(dictionary);
    }

    this$1._validator.errors.regenerate();
  };

  // i18 is being used for localization.
  if (i18n) {
    VeeValidate$1.setI18nDriver('i18n', new I18nDictionary(i18n, i18nRootKey));
    i18n._vm.$watch('locale', onLocaleChanged);
  } else if (typeof window !== 'undefined') {
    this._vm.$on('localeChanged', onLocaleChanged);
  }

  if (dictionary) {
    this.i18nDriver.merge(dictionary);
  }

  if (locale && !i18n) {
    this._validator.localize(locale);
  }
};

VeeValidate$1.prototype.configure = function configure (cfg) {
  setConfig(cfg);
};

Object.defineProperties( VeeValidate$1.prototype, prototypeAccessors$6 );
Object.defineProperties( VeeValidate$1, staticAccessors$2 );

VeeValidate$1.mixin = mixin;
VeeValidate$1.directive = directive;
VeeValidate$1.Validator = Validator;
VeeValidate$1.ErrorBag = ErrorBag;

/**
 * Formates file size.
 *
 * @param {Number|String} size
 */
var formatFileSize = function (size) {
  var units = ['Byte', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
  var threshold = 1024;
  size = Number(size) * threshold;
  var i = size === 0 ? 0 : Math.floor(Math.log(size) / Math.log(threshold));
  return (((size / Math.pow(threshold, i)).toFixed(2) * 1) + " " + (units[i]));
};

/**
 * Checks if vee-validate is defined globally.
 */
var isDefinedGlobally = function () {
  return typeof VeeValidate !== 'undefined';
};

var obj;

var messages = {
  _default: function (field) { return ("The " + field + " value is not valid"); },
  after: function (field, ref) {
    var target = ref[0];
    var inclusion = ref[1];

    return ("The " + field + " must be after " + (inclusion ? 'or equal to ' : '') + target);
},
  alpha: function (field) { return ("The " + field + " field may only contain alphabetic characters"); },
  alpha_dash: function (field) { return ("The " + field + " field may contain alpha-numeric characters as well as dashes and underscores"); },
  alpha_num: function (field) { return ("The " + field + " field may only contain alpha-numeric characters"); },
  alpha_spaces: function (field) { return ("The " + field + " field may only contain alphabetic characters as well as spaces"); },
  before: function (field, ref) {
    var target = ref[0];
    var inclusion = ref[1];

    return ("The " + field + " must be before " + (inclusion ? 'or equal to ' : '') + target);
},
  between: function (field, ref) {
    var min = ref[0];
    var max = ref[1];

    return ("The " + field + " field must be between " + min + " and " + max);
},
  confirmed: function (field) { return ("The " + field + " confirmation does not match"); },
  credit_card: function (field) { return ("The " + field + " field is invalid"); },
  date_between: function (field, ref) {
    var min = ref[0];
    var max = ref[1];

    return ("The " + field + " must be between " + min + " and " + max);
},
  date_format: function (field, ref) {
    var format = ref[0];

    return ("The " + field + " must be in the format " + format);
},
  decimal: function (field, ref) {
    if ( ref === void 0 ) ref = [];
    var decimals = ref[0]; if ( decimals === void 0 ) decimals = '*';

    return ("The " + field + " field must be numeric and may contain" + (!decimals || decimals === '*' ? '' : ' ' + decimals) + " decimal points");
},
  digits: function (field, ref) {
    var length = ref[0];

    return ("The " + field + " field must be numeric and contains exactly " + length + " digits");
},
  dimensions: function (field, ref) {
    var width = ref[0];
    var height = ref[1];

    return ("The " + field + " field must be " + width + " pixels by " + height + " pixels");
},
  email: function (field) { return ("The " + field + " field must be a valid email"); },
  excluded: function (field) { return ("The " + field + " field must be a valid value"); },
  ext: function (field) { return ("The " + field + " field must be a valid file"); },
  image: function (field) { return ("The " + field + " field must be an image"); },
  included: function (field) { return ("The " + field + " field must be a valid value"); },
  integer: function (field) { return ("The " + field + " field must be an integer"); },
  ip: function (field) { return ("The " + field + " field must be a valid ip address"); },
  ip_or_fqdn: function (field) { return ("The " + field + " field must be a valid ip address or FQDN"); },
  length: function (field, ref) {
    var length = ref[0];
    var max = ref[1];

    if (max) {
      return ("The " + field + " length must be between " + length + " and " + max);
    }

    return ("The " + field + " length must be " + length);
  },
  max: function (field, ref) {
    var length = ref[0];

    return ("The " + field + " field may not be greater than " + length + " characters");
},
  max_value: function (field, ref) {
    var max = ref[0];

    return ("The " + field + " field must be " + max + " or less");
},
  mimes: function (field) { return ("The " + field + " field must have a valid file type"); },
  min: function (field, ref) {
    var length = ref[0];

    return ("The " + field + " field must be at least " + length + " characters");
},
  min_value: function (field, ref) {
    var min = ref[0];

    return ("The " + field + " field must be " + min + " or more");
},
  numeric: function (field) { return ("The " + field + " field may only contain numeric characters"); },
  regex: function (field) { return ("The " + field + " field format is invalid"); },
  required: function (field) { return ("The " + field + " field is required"); },
  required_if: function (field, ref) {
    var target = ref[0];

    return ("The " + field + " field is required when the " + target + " field has this value");
},
  size: function (field, ref) {
    var size = ref[0];

    return ("The " + field + " size must be less than " + (formatFileSize(size)));
},
  url: function (field) { return ("The " + field + " field is not a valid URL"); }
};

var locale = {
  name: 'en',
  messages: messages,
  attributes: {}
};

if (isDefinedGlobally()) {
  // eslint-disable-next-line
  VeeValidate.Validator.localize(( obj = {}, obj[locale.name] = locale, obj ));
}

function toInteger (dirtyNumber) {
  if (dirtyNumber === null || dirtyNumber === true || dirtyNumber === false) {
    return NaN
  }

  var number = Number(dirtyNumber);

  if (isNaN(number)) {
    return number
  }

  return number < 0 ? Math.ceil(number) : Math.floor(number)
}

var MILLISECONDS_IN_MINUTE = 60000;

/**
 * Google Chrome as of 67.0.3396.87 introduced timezones with offset that includes seconds.
 * They usually appear for dates that denote time before the timezones were introduced
 * (e.g. for 'Europe/Prague' timezone the offset is GMT+00:57:44 before 1 October 1891
 * and GMT+01:00:00 after that date)
 *
 * Date#getTimezoneOffset returns the offset in minutes and would return 57 for the example above,
 * which would lead to incorrect calculations.
 *
 * This function returns the timezone offset in milliseconds that takes seconds in account.
 */
function getTimezoneOffsetInMilliseconds (dirtyDate) {
  var date = new Date(dirtyDate.getTime());
  var baseTimezoneOffset = date.getTimezoneOffset();
  date.setSeconds(0, 0);
  var millisecondsPartOfTimezoneOffset = date.getTime() % MILLISECONDS_IN_MINUTE;

  return baseTimezoneOffset * MILLISECONDS_IN_MINUTE + millisecondsPartOfTimezoneOffset
}

var MILLISECONDS_IN_HOUR = 3600000;
var MILLISECONDS_IN_MINUTE$1 = 60000;
var DEFAULT_ADDITIONAL_DIGITS = 2;

var patterns = {
  dateTimeDelimeter: /[T ]/,
  plainTime: /:/,
  timeZoneDelimeter: /[Z ]/i,

  // year tokens
  YY: /^(\d{2})$/,
  YYY: [
    /^([+-]\d{2})$/, // 0 additional digits
    /^([+-]\d{3})$/, // 1 additional digit
    /^([+-]\d{4})$/ // 2 additional digits
  ],
  YYYY: /^(\d{4})/,
  YYYYY: [
    /^([+-]\d{4})/, // 0 additional digits
    /^([+-]\d{5})/, // 1 additional digit
    /^([+-]\d{6})/ // 2 additional digits
  ],

  // date tokens
  MM: /^-(\d{2})$/,
  DDD: /^-?(\d{3})$/,
  MMDD: /^-?(\d{2})-?(\d{2})$/,
  Www: /^-?W(\d{2})$/,
  WwwD: /^-?W(\d{2})-?(\d{1})$/,

  HH: /^(\d{2}([.,]\d*)?)$/,
  HHMM: /^(\d{2}):?(\d{2}([.,]\d*)?)$/,
  HHMMSS: /^(\d{2}):?(\d{2}):?(\d{2}([.,]\d*)?)$/,

  // timezone tokens
  timezone: /([Z+-].*)$/,
  timezoneZ: /^(Z)$/,
  timezoneHH: /^([+-])(\d{2})$/,
  timezoneHHMM: /^([+-])(\d{2}):?(\d{2})$/
};

/**
 * @name toDate
 * @category Common Helpers
 * @summary Convert the given argument to an instance of Date.
 *
 * @description
 * Convert the given argument to an instance of Date.
 *
 * If the argument is an instance of Date, the function returns its clone.
 *
 * If the argument is a number, it is treated as a timestamp.
 *
 * If an argument is a string, the function tries to parse it.
 * Function accepts complete ISO 8601 formats as well as partial implementations.
 * ISO 8601: http://en.wikipedia.org/wiki/ISO_8601
 * If the function cannot parse the string or the values are invalid, it returns Invalid Date.
 *
 * If the argument is none of the above, the function returns Invalid Date.
 *
 * **Note**: *all* Date arguments passed to any *date-fns* function is processed by `toDate`.
 * All *date-fns* functions will throw `RangeError` if `options.additionalDigits` is not 0, 1, 2 or undefined.
 *
 * @param {Date|String|Number} argument - the value to convert
 * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
 * @param {0|1|2} [options.additionalDigits=2] - the additional number of digits in the extended year format
 * @returns {Date} the parsed date in the local time zone
 * @throws {TypeError} 1 argument required
 * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
 *
 * @example
 * // Convert string '2014-02-11T11:30:30' to date:
 * var result = toDate('2014-02-11T11:30:30')
 * //=> Tue Feb 11 2014 11:30:30
 *
 * @example
 * // Convert string '+02014101' to date,
 * // if the additional number of digits in the extended year format is 1:
 * var result = toDate('+02014101', {additionalDigits: 1})
 * //=> Fri Apr 11 2014 00:00:00
 */
function toDate (argument, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  if (argument === null) {
    return new Date(NaN)
  }

  var options = dirtyOptions || {};

  var additionalDigits = options.additionalDigits == null ? DEFAULT_ADDITIONAL_DIGITS : toInteger(options.additionalDigits);
  if (additionalDigits !== 2 && additionalDigits !== 1 && additionalDigits !== 0) {
    throw new RangeError('additionalDigits must be 0, 1 or 2')
  }

  // Clone the date
  if (argument instanceof Date ||
    (typeof argument === 'object' && Object.prototype.toString.call(argument) === '[object Date]')
  ) {
    // Prevent the date to lose the milliseconds when passed to new Date() in IE10
    return new Date(argument.getTime())
  } else if (typeof argument === 'number' || Object.prototype.toString.call(argument) === '[object Number]') {
    return new Date(argument)
  } else if (!(typeof argument === 'string' || Object.prototype.toString.call(argument) === '[object String]')) {
    return new Date(NaN)
  }

  var dateStrings = splitDateString(argument);

  var parseYearResult = parseYear(dateStrings.date, additionalDigits);
  var year = parseYearResult.year;
  var restDateString = parseYearResult.restDateString;

  var date = parseDate(restDateString, year);

  if (isNaN(date)) {
    return new Date(NaN)
  }

  if (date) {
    var timestamp = date.getTime();
    var time = 0;
    var offset;

    if (dateStrings.time) {
      time = parseTime(dateStrings.time);

      if (isNaN(time)) {
        return new Date(NaN)
      }
    }

    if (dateStrings.timezone) {
      offset = parseTimezone(dateStrings.timezone);
      if (isNaN(offset)) {
        return new Date(NaN)
      }
    } else {
      // get offset accurate to hour in timezones that change offset
      offset = getTimezoneOffsetInMilliseconds(new Date(timestamp + time));
      offset = getTimezoneOffsetInMilliseconds(new Date(timestamp + time + offset));
    }

    return new Date(timestamp + time + offset)
  } else {
    return new Date(NaN)
  }
}

function splitDateString (dateString) {
  var dateStrings = {};
  var array = dateString.split(patterns.dateTimeDelimeter);
  var timeString;

  if (patterns.plainTime.test(array[0])) {
    dateStrings.date = null;
    timeString = array[0];
  } else {
    dateStrings.date = array[0];
    timeString = array[1];
    if (patterns.timeZoneDelimeter.test(dateStrings.date)) {
      dateStrings.date = dateString.split(patterns.timeZoneDelimeter)[0];
      timeString = dateString.substr(dateStrings.date.length, dateString.length);
    }
  }

  if (timeString) {
    var token = patterns.timezone.exec(timeString);
    if (token) {
      dateStrings.time = timeString.replace(token[1], '');
      dateStrings.timezone = token[1];
    } else {
      dateStrings.time = timeString;
    }
  }

  return dateStrings
}

function parseYear (dateString, additionalDigits) {
  var patternYYY = patterns.YYY[additionalDigits];
  var patternYYYYY = patterns.YYYYY[additionalDigits];

  var token;

  // YYYY or ±YYYYY
  token = patterns.YYYY.exec(dateString) || patternYYYYY.exec(dateString);
  if (token) {
    var yearString = token[1];
    return {
      year: parseInt(yearString, 10),
      restDateString: dateString.slice(yearString.length)
    }
  }

  // YY or ±YYY
  token = patterns.YY.exec(dateString) || patternYYY.exec(dateString);
  if (token) {
    var centuryString = token[1];
    return {
      year: parseInt(centuryString, 10) * 100,
      restDateString: dateString.slice(centuryString.length)
    }
  }

  // Invalid ISO-formatted year
  return {
    year: null
  }
}

function parseDate (dateString, year) {
  // Invalid ISO-formatted year
  if (year === null) {
    return null
  }

  var token;
  var date;
  var month;
  var week;

  // YYYY
  if (dateString.length === 0) {
    date = new Date(0);
    date.setUTCFullYear(year);
    return date
  }

  // YYYY-MM
  token = patterns.MM.exec(dateString);
  if (token) {
    date = new Date(0);
    month = parseInt(token[1], 10) - 1;

    if (!validateDate(year, month)) {
      return new Date(NaN)
    }

    date.setUTCFullYear(year, month);
    return date
  }

  // YYYY-DDD or YYYYDDD
  token = patterns.DDD.exec(dateString);
  if (token) {
    date = new Date(0);
    var dayOfYear = parseInt(token[1], 10);

    if (!validateDayOfYearDate(year, dayOfYear)) {
      return new Date(NaN)
    }

    date.setUTCFullYear(year, 0, dayOfYear);
    return date
  }

  // YYYY-MM-DD or YYYYMMDD
  token = patterns.MMDD.exec(dateString);
  if (token) {
    date = new Date(0);
    month = parseInt(token[1], 10) - 1;
    var day = parseInt(token[2], 10);

    if (!validateDate(year, month, day)) {
      return new Date(NaN)
    }

    date.setUTCFullYear(year, month, day);
    return date
  }

  // YYYY-Www or YYYYWww
  token = patterns.Www.exec(dateString);
  if (token) {
    week = parseInt(token[1], 10) - 1;

    if (!validateWeekDate(year, week)) {
      return new Date(NaN)
    }

    return dayOfISOWeekYear(year, week)
  }

  // YYYY-Www-D or YYYYWwwD
  token = patterns.WwwD.exec(dateString);
  if (token) {
    week = parseInt(token[1], 10) - 1;
    var dayOfWeek = parseInt(token[2], 10) - 1;

    if (!validateWeekDate(year, week, dayOfWeek)) {
      return new Date(NaN)
    }

    return dayOfISOWeekYear(year, week, dayOfWeek)
  }

  // Invalid ISO-formatted date
  return null
}

function parseTime (timeString) {
  var token;
  var hours;
  var minutes;

  // hh
  token = patterns.HH.exec(timeString);
  if (token) {
    hours = parseFloat(token[1].replace(',', '.'));

    if (!validateTime(hours)) {
      return NaN
    }

    return (hours % 24) * MILLISECONDS_IN_HOUR
  }

  // hh:mm or hhmm
  token = patterns.HHMM.exec(timeString);
  if (token) {
    hours = parseInt(token[1], 10);
    minutes = parseFloat(token[2].replace(',', '.'));

    if (!validateTime(hours, minutes)) {
      return NaN
    }

    return (hours % 24) * MILLISECONDS_IN_HOUR +
      minutes * MILLISECONDS_IN_MINUTE$1
  }

  // hh:mm:ss or hhmmss
  token = patterns.HHMMSS.exec(timeString);
  if (token) {
    hours = parseInt(token[1], 10);
    minutes = parseInt(token[2], 10);
    var seconds = parseFloat(token[3].replace(',', '.'));

    if (!validateTime(hours, minutes, seconds)) {
      return NaN
    }

    return (hours % 24) * MILLISECONDS_IN_HOUR +
      minutes * MILLISECONDS_IN_MINUTE$1 +
      seconds * 1000
  }

  // Invalid ISO-formatted time
  return null
}

function parseTimezone (timezoneString) {
  var token;
  var absoluteOffset;

  // Z
  token = patterns.timezoneZ.exec(timezoneString);
  if (token) {
    return 0
  }

  var hours;

  // ±hh
  token = patterns.timezoneHH.exec(timezoneString);
  if (token) {
    hours = parseInt(token[2], 10);

    if (!validateTimezone()) {
      return NaN
    }

    absoluteOffset = hours * MILLISECONDS_IN_HOUR;
    return (token[1] === '+') ? -absoluteOffset : absoluteOffset
  }

  // ±hh:mm or ±hhmm
  token = patterns.timezoneHHMM.exec(timezoneString);
  if (token) {
    hours = parseInt(token[2], 10);
    var minutes = parseInt(token[3], 10);

    if (!validateTimezone(hours, minutes)) {
      return NaN
    }

    absoluteOffset = hours * MILLISECONDS_IN_HOUR + minutes * MILLISECONDS_IN_MINUTE$1;
    return (token[1] === '+') ? -absoluteOffset : absoluteOffset
  }

  return 0
}

function dayOfISOWeekYear (isoWeekYear, week, day) {
  week = week || 0;
  day = day || 0;
  var date = new Date(0);
  date.setUTCFullYear(isoWeekYear, 0, 4);
  var fourthOfJanuaryDay = date.getUTCDay() || 7;
  var diff = week * 7 + day + 1 - fourthOfJanuaryDay;
  date.setUTCDate(date.getUTCDate() + diff);
  return date
}

// Validation functions

var DAYS_IN_MONTH = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
var DAYS_IN_MONTH_LEAP_YEAR = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

function isLeapYearIndex (year) {
  return year % 400 === 0 || (year % 4 === 0 && year % 100 !== 0)
}

function validateDate (year, month, date) {
  if (month < 0 || month > 11) {
    return false
  }

  if (date != null) {
    if (date < 1) {
      return false
    }

    var isLeapYear = isLeapYearIndex(year);
    if (isLeapYear && date > DAYS_IN_MONTH_LEAP_YEAR[month]) {
      return false
    }
    if (!isLeapYear && date > DAYS_IN_MONTH[month]) {
      return false
    }
  }

  return true
}

function validateDayOfYearDate (year, dayOfYear) {
  if (dayOfYear < 1) {
    return false
  }

  var isLeapYear = isLeapYearIndex(year);
  if (isLeapYear && dayOfYear > 366) {
    return false
  }
  if (!isLeapYear && dayOfYear > 365) {
    return false
  }

  return true
}

function validateWeekDate (year, week, day) {
  if (week < 0 || week > 52) {
    return false
  }

  if (day != null && (day < 0 || day > 6)) {
    return false
  }

  return true
}

function validateTime (hours, minutes, seconds) {
  if (hours != null && (hours < 0 || hours >= 25)) {
    return false
  }

  if (minutes != null && (minutes < 0 || minutes >= 60)) {
    return false
  }

  if (seconds != null && (seconds < 0 || seconds >= 60)) {
    return false
  }

  return true
}

function validateTimezone (hours, minutes) {
  if (minutes != null && (minutes < 0 || minutes > 59)) {
    return false
  }

  return true
}

/**
 * @name addMilliseconds
 * @category Millisecond Helpers
 * @summary Add the specified number of milliseconds to the given date.
 *
 * @description
 * Add the specified number of milliseconds to the given date.
 *
 * @param {Date|String|Number} date - the date to be changed
 * @param {Number} amount - the amount of milliseconds to be added
 * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
 * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * @returns {Date} the new date with the milliseconds added
 * @throws {TypeError} 2 arguments required
 * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
 *
 * @example
 * // Add 750 milliseconds to 10 July 2014 12:45:30.000:
 * var result = addMilliseconds(new Date(2014, 6, 10, 12, 45, 30, 0), 750)
 * //=> Thu Jul 10 2014 12:45:30.750
 */
function addMilliseconds (dirtyDate, dirtyAmount, dirtyOptions) {
  if (arguments.length < 2) {
    throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
  }

  var timestamp = toDate(dirtyDate, dirtyOptions).getTime();
  var amount = toInteger(dirtyAmount);
  return new Date(timestamp + amount)
}

/**
 * @name isValid
 * @category Common Helpers
 * @summary Is the given date valid?
 *
 * @description
 * Returns false if argument is Invalid Date and true otherwise.
 * Argument is converted to Date using `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * Invalid Date is a Date, whose time value is NaN.
 *
 * Time value of Date: http://es5.github.io/#x15.9.1.1
 *
 * @param {*} date - the date to check
 * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
 * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * @returns {Boolean} the date is valid
 * @throws {TypeError} 1 argument required
 * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
 *
 * @example
 * // For the valid date:
 * var result = isValid(new Date(2014, 1, 31))
 * //=> true
 *
 * @example
 * // For the value, convertable into a date:
 * var result = isValid('2014-02-31')
 * //=> true
 *
 * @example
 * // For the invalid date:
 * var result = isValid(new Date(''))
 * //=> false
 */
function isValid (dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  return !isNaN(date)
}

var formatDistanceLocale = {
  lessThanXSeconds: {
    one: 'less than a second',
    other: 'less than {{count}} seconds'
  },

  xSeconds: {
    one: '1 second',
    other: '{{count}} seconds'
  },

  halfAMinute: 'half a minute',

  lessThanXMinutes: {
    one: 'less than a minute',
    other: 'less than {{count}} minutes'
  },

  xMinutes: {
    one: '1 minute',
    other: '{{count}} minutes'
  },

  aboutXHours: {
    one: 'about 1 hour',
    other: 'about {{count}} hours'
  },

  xHours: {
    one: '1 hour',
    other: '{{count}} hours'
  },

  xDays: {
    one: '1 day',
    other: '{{count}} days'
  },

  aboutXMonths: {
    one: 'about 1 month',
    other: 'about {{count}} months'
  },

  xMonths: {
    one: '1 month',
    other: '{{count}} months'
  },

  aboutXYears: {
    one: 'about 1 year',
    other: 'about {{count}} years'
  },

  xYears: {
    one: '1 year',
    other: '{{count}} years'
  },

  overXYears: {
    one: 'over 1 year',
    other: 'over {{count}} years'
  },

  almostXYears: {
    one: 'almost 1 year',
    other: 'almost {{count}} years'
  }
};

function formatDistance (token, count, options) {
  options = options || {};

  var result;
  if (typeof formatDistanceLocale[token] === 'string') {
    result = formatDistanceLocale[token];
  } else if (count === 1) {
    result = formatDistanceLocale[token].one;
  } else {
    result = formatDistanceLocale[token].other.replace('{{count}}', count);
  }

  if (options.addSuffix) {
    if (options.comparison > 0) {
      return 'in ' + result
    } else {
      return result + ' ago'
    }
  }

  return result
}

function buildFormatLongFn (args) {
  return function (dirtyOptions) {
    var options = dirtyOptions || {};
    var width = options.width ? String(options.width) : args.defaultWidth;
    var format = args.formats[width] || args.formats[args.defaultWidth];
    return format
  }
}

var dateFormats = {
  full: 'EEEE, MMMM do, y',
  long: 'MMMM do, y',
  medium: 'MMM d, y',
  short: 'MM/dd/yyyy'
};

var timeFormats = {
  full: 'h:mm:ss a zzzz',
  long: 'h:mm:ss a z',
  medium: 'h:mm:ss a',
  short: 'h:mm a'
};

var dateTimeFormats = {
  full: "{{date}} 'at' {{time}}",
  long: "{{date}} 'at' {{time}}",
  medium: '{{date}}, {{time}}',
  short: '{{date}}, {{time}}'
};

var formatLong = {
  date: buildFormatLongFn({
    formats: dateFormats,
    defaultWidth: 'full'
  }),

  time: buildFormatLongFn({
    formats: timeFormats,
    defaultWidth: 'full'
  }),

  dateTime: buildFormatLongFn({
    formats: dateTimeFormats,
    defaultWidth: 'full'
  })
};

var formatRelativeLocale = {
  lastWeek: "'last' eeee 'at' p",
  yesterday: "'yesterday at' p",
  today: "'today at' p",
  tomorrow: "'tomorrow at' p",
  nextWeek: "eeee 'at' p",
  other: 'P'
};

function formatRelative (token, date, baseDate, options) {
  return formatRelativeLocale[token]
}

function buildLocalizeFn (args) {
  return function (dirtyIndex, dirtyOptions) {
    var options = dirtyOptions || {};
    var width = options.width ? String(options.width) : args.defaultWidth;
    var context = options.context ? String(options.context) : 'standalone';

    var valuesArray;
    if (context === 'formatting' && args.formattingValues) {
      valuesArray = args.formattingValues[width] || args.formattingValues[args.defaultFormattingWidth];
    } else {
      valuesArray = args.values[width] || args.values[args.defaultWidth];
    }
    var index = args.argumentCallback ? args.argumentCallback(dirtyIndex) : dirtyIndex;
    return valuesArray[index]
  }
}

var eraValues = {
  narrow: ['B', 'A'],
  abbreviated: ['BC', 'AD'],
  wide: ['Before Christ', 'Anno Domini']
};

var quarterValues = {
  narrow: ['1', '2', '3', '4'],
  abbreviated: ['Q1', 'Q2', 'Q3', 'Q4'],
  wide: ['1st quarter', '2nd quarter', '3rd quarter', '4th quarter']
};

// Note: in English, the names of days of the week and months are capitalized.
// If you are making a new locale based on this one, check if the same is true for the language you're working on.
// Generally, formatted dates should look like they are in the middle of a sentence,
// e.g. in Spanish language the weekdays and months should be in the lowercase.
var monthValues = {
  narrow: ['J', 'F', 'M', 'A', 'M', 'J', 'J', 'A', 'S', 'O', 'N', 'D'],
  abbreviated: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
  wide: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']
};

var dayValues = {
  narrow: ['S', 'M', 'T', 'W', 'T', 'F', 'S'],
  short: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],
  abbreviated: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
  wide: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']
};

var dayPeriodValues = {
  narrow: {
    am: 'a',
    pm: 'p',
    midnight: 'mi',
    noon: 'n',
    morning: 'morning',
    afternoon: 'afternoon',
    evening: 'evening',
    night: 'night'
  },
  abbreviated: {
    am: 'AM',
    pm: 'PM',
    midnight: 'midnight',
    noon: 'noon',
    morning: 'morning',
    afternoon: 'afternoon',
    evening: 'evening',
    night: 'night'
  },
  wide: {
    am: 'a.m.',
    pm: 'p.m.',
    midnight: 'midnight',
    noon: 'noon',
    morning: 'morning',
    afternoon: 'afternoon',
    evening: 'evening',
    night: 'night'
  }
};
var formattingDayPeriodValues = {
  narrow: {
    am: 'a',
    pm: 'p',
    midnight: 'mi',
    noon: 'n',
    morning: 'in the morning',
    afternoon: 'in the afternoon',
    evening: 'in the evening',
    night: 'at night'
  },
  abbreviated: {
    am: 'AM',
    pm: 'PM',
    midnight: 'midnight',
    noon: 'noon',
    morning: 'in the morning',
    afternoon: 'in the afternoon',
    evening: 'in the evening',
    night: 'at night'
  },
  wide: {
    am: 'a.m.',
    pm: 'p.m.',
    midnight: 'midnight',
    noon: 'noon',
    morning: 'in the morning',
    afternoon: 'in the afternoon',
    evening: 'in the evening',
    night: 'at night'
  }
};

function ordinalNumber (dirtyNumber, dirtyOptions) {
  var number = Number(dirtyNumber);

  // If ordinal numbers depend on context, for example,
  // if they are different for different grammatical genders,
  // use `options.unit`:
  //
  //   var options = dirtyOptions || {}
  //   var unit = String(options.unit)
  //
  // where `unit` can be 'year', 'quarter', 'month', 'week', 'date', 'dayOfYear',
  // 'day', 'hour', 'minute', 'second'

  var rem100 = number % 100;
  if (rem100 > 20 || rem100 < 10) {
    switch (rem100 % 10) {
      case 1:
        return number + 'st'
      case 2:
        return number + 'nd'
      case 3:
        return number + 'rd'
    }
  }
  return number + 'th'
}

var localize = {
  ordinalNumber: ordinalNumber,

  era: buildLocalizeFn({
    values: eraValues,
    defaultWidth: 'wide'
  }),

  quarter: buildLocalizeFn({
    values: quarterValues,
    defaultWidth: 'wide',
    argumentCallback: function (quarter) {
      return Number(quarter) - 1
    }
  }),

  month: buildLocalizeFn({
    values: monthValues,
    defaultWidth: 'wide'
  }),

  day: buildLocalizeFn({
    values: dayValues,
    defaultWidth: 'wide'
  }),

  dayPeriod: buildLocalizeFn({
    values: dayPeriodValues,
    defaultWidth: 'wide',
    formattingValues: formattingDayPeriodValues,
    defaulFormattingWidth: 'wide'
  })
};

function buildMatchPatternFn (args) {
  return function (dirtyString, dirtyOptions) {
    var string = String(dirtyString);
    var options = dirtyOptions || {};

    var matchResult = string.match(args.matchPattern);
    if (!matchResult) {
      return null
    }
    var matchedString = matchResult[0];

    var parseResult = string.match(args.parsePattern);
    if (!parseResult) {
      return null
    }
    var value = args.valueCallback ? args.valueCallback(parseResult[0]) : parseResult[0];
    value = options.valueCallback ? options.valueCallback(value) : value;

    return {
      value: value,
      rest: string.slice(matchedString.length)
    }
  }
}

function buildMatchFn (args) {
  return function (dirtyString, dirtyOptions) {
    var string = String(dirtyString);
    var options = dirtyOptions || {};
    var width = options.width;

    var matchPattern = (width && args.matchPatterns[width]) || args.matchPatterns[args.defaultMatchWidth];
    var matchResult = string.match(matchPattern);

    if (!matchResult) {
      return null
    }
    var matchedString = matchResult[0];

    var parsePatterns = (width && args.parsePatterns[width]) || args.parsePatterns[args.defaultParseWidth];

    var value;
    if (Object.prototype.toString.call(parsePatterns) === '[object Array]') {
      value = parsePatterns.findIndex(function (pattern) {
        return pattern.test(string)
      });
    } else {
      value = findKey(parsePatterns, function (pattern) {
        return pattern.test(string)
      });
    }

    value = args.valueCallback ? args.valueCallback(value) : value;
    value = options.valueCallback ? options.valueCallback(value) : value;

    return {
      value: value,
      rest: string.slice(matchedString.length)
    }
  }
}

function findKey (object, predicate) {
  for (var key in object) {
    if (object.hasOwnProperty(key) && predicate(object[key])) {
      return key
    }
  }
}

var matchOrdinalNumberPattern = /^(\d+)(th|st|nd|rd)?/i;
var parseOrdinalNumberPattern = /\d+/i;

var matchEraPatterns = {
  narrow: /^(b|a)/i,
  abbreviated: /^(b\.?\s?c\.?|b\.?\s?c\.?\s?e\.?|a\.?\s?d\.?|c\.?\s?e\.?)/i,
  wide: /^(before christ|before common era|anno domini|common era)/i
};
var parseEraPatterns = {
  any: [/^b/i, /^(a|c)/i]
};

var matchQuarterPatterns = {
  narrow: /^[1234]/i,
  abbreviated: /^q[1234]/i,
  wide: /^[1234](th|st|nd|rd)? quarter/i
};
var parseQuarterPatterns = {
  any: [/1/i, /2/i, /3/i, /4/i]
};

var matchMonthPatterns = {
  narrow: /^[jfmasond]/i,
  abbreviated: /^(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)/i,
  wide: /^(january|february|march|april|may|june|july|august|september|october|november|december)/i
};
var parseMonthPatterns = {
  narrow: [/^j/i, /^f/i, /^m/i, /^a/i, /^m/i, /^j/i, /^j/i, /^a/i, /^s/i, /^o/i, /^n/i, /^d/i],
  any: [/^ja/i, /^f/i, /^mar/i, /^ap/i, /^may/i, /^jun/i, /^jul/i, /^au/i, /^s/i, /^o/i, /^n/i, /^d/i]
};

var matchDayPatterns = {
  narrow: /^[smtwf]/i,
  short: /^(su|mo|tu|we|th|fr|sa)/i,
  abbreviated: /^(sun|mon|tue|wed|thu|fri|sat)/i,
  wide: /^(sunday|monday|tuesday|wednesday|thursday|friday|saturday)/i
};
var parseDayPatterns = {
  narrow: [/^s/i, /^m/i, /^t/i, /^w/i, /^t/i, /^f/i, /^s/i],
  any: [/^su/i, /^m/i, /^tu/i, /^w/i, /^th/i, /^f/i, /^sa/i]
};

var matchDayPeriodPatterns = {
  narrow: /^(a|p|mi|n|(in the|at) (morning|afternoon|evening|night))/i,
  any: /^([ap]\.?\s?m\.?|midnight|noon|(in the|at) (morning|afternoon|evening|night))/i
};
var parseDayPeriodPatterns = {
  any: {
    am: /^a/i,
    pm: /^p/i,
    midnight: /^mi/i,
    noon: /^no/i,
    morning: /morning/i,
    afternoon: /afternoon/i,
    evening: /evening/i,
    night: /night/i
  }
};

var match = {
  ordinalNumber: buildMatchPatternFn({
    matchPattern: matchOrdinalNumberPattern,
    parsePattern: parseOrdinalNumberPattern,
    valueCallback: function (value) {
      return parseInt(value, 10)
    }
  }),

  era: buildMatchFn({
    matchPatterns: matchEraPatterns,
    defaultMatchWidth: 'wide',
    parsePatterns: parseEraPatterns,
    defaultParseWidth: 'any'
  }),

  quarter: buildMatchFn({
    matchPatterns: matchQuarterPatterns,
    defaultMatchWidth: 'wide',
    parsePatterns: parseQuarterPatterns,
    defaultParseWidth: 'any',
    valueCallback: function (index) {
      return index + 1
    }
  }),

  month: buildMatchFn({
    matchPatterns: matchMonthPatterns,
    defaultMatchWidth: 'wide',
    parsePatterns: parseMonthPatterns,
    defaultParseWidth: 'any'
  }),

  day: buildMatchFn({
    matchPatterns: matchDayPatterns,
    defaultMatchWidth: 'wide',
    parsePatterns: parseDayPatterns,
    defaultParseWidth: 'any'
  }),

  dayPeriod: buildMatchFn({
    matchPatterns: matchDayPeriodPatterns,
    defaultMatchWidth: 'any',
    parsePatterns: parseDayPeriodPatterns,
    defaultParseWidth: 'any'
  })
};

/**
 * @type {Locale}
 * @category Locales
 * @summary English locale (United States).
 * @language English
 * @iso-639-2 eng
 * @author Sasha Koss [@kossnocorp]{@link https://github.com/kossnocorp}
 * @author Lesha Koss [@leshakoss]{@link https://github.com/leshakoss}
 */
var locale$1 = {
  formatDistance: formatDistance,
  formatLong: formatLong,
  formatRelative: formatRelative,
  localize: localize,
  match: match,
  options: {
    weekStartsOn: 0 /* Sunday */,
    firstWeekContainsDate: 1
  }
};

var MILLISECONDS_IN_DAY = 86400000;

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function getUTCDayOfYear (dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  var timestamp = date.getTime();
  date.setUTCMonth(0, 1);
  date.setUTCHours(0, 0, 0, 0);
  var startOfYearTimestamp = date.getTime();
  var difference = timestamp - startOfYearTimestamp;
  return Math.floor(difference / MILLISECONDS_IN_DAY) + 1
}

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function startOfUTCISOWeek (dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  var weekStartsOn = 1;

  var date = toDate(dirtyDate, dirtyOptions);
  var day = date.getUTCDay();
  var diff = (day < weekStartsOn ? 7 : 0) + day - weekStartsOn;

  date.setUTCDate(date.getUTCDate() - diff);
  date.setUTCHours(0, 0, 0, 0);
  return date
}

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function getUTCISOWeekYear (dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  var year = date.getUTCFullYear();

  var fourthOfJanuaryOfNextYear = new Date(0);
  fourthOfJanuaryOfNextYear.setUTCFullYear(year + 1, 0, 4);
  fourthOfJanuaryOfNextYear.setUTCHours(0, 0, 0, 0);
  var startOfNextYear = startOfUTCISOWeek(fourthOfJanuaryOfNextYear, dirtyOptions);

  var fourthOfJanuaryOfThisYear = new Date(0);
  fourthOfJanuaryOfThisYear.setUTCFullYear(year, 0, 4);
  fourthOfJanuaryOfThisYear.setUTCHours(0, 0, 0, 0);
  var startOfThisYear = startOfUTCISOWeek(fourthOfJanuaryOfThisYear, dirtyOptions);

  if (date.getTime() >= startOfNextYear.getTime()) {
    return year + 1
  } else if (date.getTime() >= startOfThisYear.getTime()) {
    return year
  } else {
    return year - 1
  }
}

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function startOfUTCISOWeekYear (dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  var year = getUTCISOWeekYear(dirtyDate, dirtyOptions);
  var fourthOfJanuary = new Date(0);
  fourthOfJanuary.setUTCFullYear(year, 0, 4);
  fourthOfJanuary.setUTCHours(0, 0, 0, 0);
  var date = startOfUTCISOWeek(fourthOfJanuary, dirtyOptions);
  return date
}

var MILLISECONDS_IN_WEEK = 604800000;

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function getUTCISOWeek (dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  var diff = startOfUTCISOWeek(date, dirtyOptions).getTime() - startOfUTCISOWeekYear(date, dirtyOptions).getTime();

  // Round the number of days to the nearest integer
  // because the number of milliseconds in a week is not constant
  // (e.g. it's different in the week of the daylight saving time clock shift)
  return Math.round(diff / MILLISECONDS_IN_WEEK) + 1
}

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function startOfUTCWeek (dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  var options = dirtyOptions || {};
  var locale = options.locale;
  var localeWeekStartsOn = locale && locale.options && locale.options.weekStartsOn;
  var defaultWeekStartsOn = localeWeekStartsOn == null ? 0 : toInteger(localeWeekStartsOn);
  var weekStartsOn = options.weekStartsOn == null ? defaultWeekStartsOn : toInteger(options.weekStartsOn);

  // Test if weekStartsOn is between 0 and 6 _and_ is not NaN
  if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {
    throw new RangeError('weekStartsOn must be between 0 and 6 inclusively')
  }

  var date = toDate(dirtyDate, options);
  var day = date.getUTCDay();
  var diff = (day < weekStartsOn ? 7 : 0) + day - weekStartsOn;

  date.setUTCDate(date.getUTCDate() - diff);
  date.setUTCHours(0, 0, 0, 0);
  return date
}

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function getUTCWeekYear (dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  var year = date.getUTCFullYear();

  var options = dirtyOptions || {};
  var locale = options.locale;
  var localeFirstWeekContainsDate = locale &&
    locale.options &&
    locale.options.firstWeekContainsDate;
  var defaultFirstWeekContainsDate =
    localeFirstWeekContainsDate == null
      ? 1
      : toInteger(localeFirstWeekContainsDate);
  var firstWeekContainsDate =
    options.firstWeekContainsDate == null
      ? defaultFirstWeekContainsDate
      : toInteger(options.firstWeekContainsDate);

  // Test if weekStartsOn is between 1 and 7 _and_ is not NaN
  if (!(firstWeekContainsDate >= 1 && firstWeekContainsDate <= 7)) {
    throw new RangeError('firstWeekContainsDate must be between 1 and 7 inclusively')
  }

  var firstWeekOfNextYear = new Date(0);
  firstWeekOfNextYear.setUTCFullYear(year + 1, 0, firstWeekContainsDate);
  firstWeekOfNextYear.setUTCHours(0, 0, 0, 0);
  var startOfNextYear = startOfUTCWeek(firstWeekOfNextYear, dirtyOptions);

  var firstWeekOfThisYear = new Date(0);
  firstWeekOfThisYear.setUTCFullYear(year, 0, firstWeekContainsDate);
  firstWeekOfThisYear.setUTCHours(0, 0, 0, 0);
  var startOfThisYear = startOfUTCWeek(firstWeekOfThisYear, dirtyOptions);

  if (date.getTime() >= startOfNextYear.getTime()) {
    return year + 1
  } else if (date.getTime() >= startOfThisYear.getTime()) {
    return year
  } else {
    return year - 1
  }
}

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function startOfUTCWeekYear (dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  var options = dirtyOptions || {};
  var locale = options.locale;
  var localeFirstWeekContainsDate = locale &&
    locale.options &&
    locale.options.firstWeekContainsDate;
  var defaultFirstWeekContainsDate =
    localeFirstWeekContainsDate == null
      ? 1
      : toInteger(localeFirstWeekContainsDate);
  var firstWeekContainsDate =
    options.firstWeekContainsDate == null
      ? defaultFirstWeekContainsDate
      : toInteger(options.firstWeekContainsDate);

  var year = getUTCWeekYear(dirtyDate, dirtyOptions);
  var firstWeek = new Date(0);
  firstWeek.setUTCFullYear(year, 0, firstWeekContainsDate);
  firstWeek.setUTCHours(0, 0, 0, 0);
  var date = startOfUTCWeek(firstWeek, dirtyOptions);
  return date
}

var MILLISECONDS_IN_WEEK$1 = 604800000;

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function getUTCWeek (dirtyDate, dirtyOptions) {
  if (arguments.length < 1) {
    throw new TypeError('1 argument required, but only ' + arguments.length + ' present')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  var diff = startOfUTCWeek(date, dirtyOptions).getTime() - startOfUTCWeekYear(date, dirtyOptions).getTime();

  // Round the number of days to the nearest integer
  // because the number of milliseconds in a week is not constant
  // (e.g. it's different in the week of the daylight saving time clock shift)
  return Math.round(diff / MILLISECONDS_IN_WEEK$1) + 1
}

var dayPeriodEnum = {
  am: 'am',
  pm: 'pm',
  midnight: 'midnight',
  noon: 'noon',
  morning: 'morning',
  afternoon: 'afternoon',
  evening: 'evening',
  night: 'night'
};

/*
 * |     | Unit                           |     | Unit                           |
 * |-----|--------------------------------|-----|--------------------------------|
 * |  a  | AM, PM                         |  A* | Milliseconds in day            |
 * |  b  | AM, PM, noon, midnight         |  B  | Flexible day period            |
 * |  c  | Stand-alone local day of week  |  C* | Localized hour w/ day period   |
 * |  d  | Day of month                   |  D  | Day of year                    |
 * |  e  | Local day of week              |  E  | Day of week                    |
 * |  f  |                                |  F* | Day of week in month           |
 * |  g* | Modified Julian day            |  G  | Era                            |
 * |  h  | Hour [1-12]                    |  H  | Hour [0-23]                    |
 * |  i! | ISO day of week                |  I! | ISO week of year               |
 * |  j* | Localized hour w/ day period   |  J* | Localized hour w/o day period  |
 * |  k  | Hour [1-24]                    |  K  | Hour [0-11]                    |
 * |  l* | (deprecated)                   |  L  | Stand-alone month              |
 * |  m  | Minute                         |  M  | Month                          |
 * |  n  |                                |  N  |                                |
 * |  o! | Ordinal number modifier        |  O  | Timezone (GMT)                 |
 * |  p! | Long localized time            |  P! | Long localized date            |
 * |  q  | Stand-alone quarter            |  Q  | Quarter                        |
 * |  r* | Related Gregorian year         |  R! | ISO week-numbering year        |
 * |  s  | Second                         |  S  | Fraction of second             |
 * |  t! | Seconds timestamp              |  T! | Milliseconds timestamp         |
 * |  u  | Extended year                  |  U* | Cyclic year                    |
 * |  v* | Timezone (generic non-locat.)  |  V* | Timezone (location)            |
 * |  w  | Local week of year             |  W* | Week of month                  |
 * |  x  | Timezone (ISO-8601 w/o Z)      |  X  | Timezone (ISO-8601)            |
 * |  y  | Year (abs)                     |  Y  | Local week-numbering year      |
 * |  z  | Timezone (specific non-locat.) |  Z* | Timezone (aliases)             |
 *
 * Letters marked by * are not implemented but reserved by Unicode standard.
 *
 * Letters marked by ! are non-standard, but implemented by date-fns:
 * - `o` modifies the previous token to turn it into an ordinal (see `format` docs)
 * - `i` is ISO day of week. For `i` and `ii` is returns numeric ISO week days,
 *   i.e. 7 for Sunday, 1 for Monday, etc.
 * - `I` is ISO week of year, as opposed to `w` which is local week of year.
 * - `R` is ISO week-numbering year, as opposed to `Y` which is local week-numbering year.
 *   `R` is supposed to be used in conjunction with `I` and `i`
 *   for universal ISO week-numbering date, whereas
 *   `Y` is supposed to be used in conjunction with `w` and `e`
 *   for week-numbering date specific to the locale.
 * - `P` is long localized date format
 * - `p` is long localized time format
 */

var formatters = {
  // Era
  G: function (date, token, localize) {
    var era = date.getUTCFullYear() > 0 ? 1 : 0;
    switch (token) {
      // AD, BC
      case 'G':
      case 'GG':
      case 'GGG':
        return localize.era(era, {width: 'abbreviated'})
      // A, B
      case 'GGGGG':
        return localize.era(era, {width: 'narrow'})
      // Anno Domini, Before Christ
      case 'GGGG':
      default:
        return localize.era(era, {width: 'wide'})
    }
  },

  // Year
  y: function (date, token, localize, options) {
    // From http://www.unicode.org/reports/tr35/tr35-31/tr35-dates.html#Date_Format_tokens
    // | Year     |     y | yy |   yyy |  yyyy | yyyyy |
    // |----------|-------|----|-------|-------|-------|
    // | AD 1     |     1 | 01 |   001 |  0001 | 00001 |
    // | AD 12    |    12 | 12 |   012 |  0012 | 00012 |
    // | AD 123   |   123 | 23 |   123 |  0123 | 00123 |
    // | AD 1234  |  1234 | 34 |  1234 |  1234 | 01234 |
    // | AD 12345 | 12345 | 45 | 12345 | 12345 | 12345 |

    var signedYear = date.getUTCFullYear();

    // Returns 1 for 1 BC (which is year 0 in JavaScript)
    var year = signedYear > 0 ? signedYear : 1 - signedYear;

    // Two digit year
    if (token === 'yy') {
      var twoDigitYear = year % 100;
      return addLeadingZeros(twoDigitYear, 2)
    }

    // Ordinal number
    if (token === 'yo') {
      return localize.ordinalNumber(year, {unit: 'year'})
    }

    // Padding
    return addLeadingZeros(year, token.length)
  },

  // Local week-numbering year
  Y: function (date, token, localize, options) {
    var signedWeekYear = getUTCWeekYear(date, options);
    var weekYear = signedWeekYear > 0 ? signedWeekYear : 1 - signedWeekYear;

    // Two digit year
    if (token === 'YY') {
      var twoDigitYear = weekYear % 100;
      return addLeadingZeros(twoDigitYear, 2)
    }

    // Ordinal number
    if (token === 'Yo') {
      return localize.ordinalNumber(weekYear, {unit: 'year'})
    }

    // Padding
    return addLeadingZeros(weekYear, token.length)
  },

  // ISO week-numbering year
  R: function (date, token, localize, options) {
    var isoWeekYear = getUTCISOWeekYear(date, options);

    // Padding
    return addLeadingZeros(isoWeekYear, token.length)
  },

  // Extended year. This is a single number designating the year of this calendar system.
  // The main difference between `y` and `u` localizers are B.C. years:
  // | Year | `y` | `u` |
  // |------|-----|-----|
  // | AC 1 |   1 |   1 |
  // | BC 1 |   1 |   0 |
  // | BC 2 |   2 |  -1 |
  // Also `yy` always returns the last two digits of a year,
  // while `uu` pads single digit years to 2 characters and returns other years unchanged.
  u: function (date, token, localize, options) {
    var year = date.getUTCFullYear();
    return addLeadingZeros(year, token.length)
  },

  // Quarter
  Q: function (date, token, localize, options) {
    var quarter = Math.ceil((date.getUTCMonth() + 1) / 3);
    switch (token) {
      // 1, 2, 3, 4
      case 'Q':
        return String(quarter)
      // 01, 02, 03, 04
      case 'QQ':
        return addLeadingZeros(quarter, 2)
      // 1st, 2nd, 3rd, 4th
      case 'Qo':
        return localize.ordinalNumber(quarter, {unit: 'quarter'})
      // Q1, Q2, Q3, Q4
      case 'QQQ':
        return localize.quarter(quarter, {width: 'abbreviated', context: 'formatting'})
      // 1, 2, 3, 4 (narrow quarter; could be not numerical)
      case 'QQQQQ':
        return localize.quarter(quarter, {width: 'narrow', context: 'formatting'})
      // 1st quarter, 2nd quarter, ...
      case 'QQQQ':
      default:
        return localize.quarter(quarter, {width: 'wide', context: 'formatting'})
    }
  },

  // Stand-alone quarter
  q: function (date, token, localize, options) {
    var quarter = Math.ceil((date.getUTCMonth() + 1) / 3);
    switch (token) {
      // 1, 2, 3, 4
      case 'q':
        return String(quarter)
      // 01, 02, 03, 04
      case 'qq':
        return addLeadingZeros(quarter, 2)
      // 1st, 2nd, 3rd, 4th
      case 'qo':
        return localize.ordinalNumber(quarter, {unit: 'quarter'})
      // Q1, Q2, Q3, Q4
      case 'qqq':
        return localize.quarter(quarter, {width: 'abbreviated', context: 'standalone'})
      // 1, 2, 3, 4 (narrow quarter; could be not numerical)
      case 'qqqqq':
        return localize.quarter(quarter, {width: 'narrow', context: 'standalone'})
      // 1st quarter, 2nd quarter, ...
      case 'qqqq':
      default:
        return localize.quarter(quarter, {width: 'wide', context: 'standalone'})
    }
  },

  // Month
  M: function (date, token, localize, options) {
    var month = date.getUTCMonth();
    switch (token) {
      // 1, 2, ..., 12
      case 'M':
        return String(month + 1)
      // 01, 02, ..., 12
      case 'MM':
        return addLeadingZeros(month + 1, 2)
      // 1st, 2nd, ..., 12th
      case 'Mo':
        return localize.ordinalNumber(month + 1, {unit: 'month'})
      // Jan, Feb, ..., Dec
      case 'MMM':
        return localize.month(month, {width: 'abbreviated', context: 'formatting'})
      // J, F, ..., D
      case 'MMMMM':
        return localize.month(month, {width: 'narrow', context: 'formatting'})
      // January, February, ..., December
      case 'MMMM':
      default:
        return localize.month(month, {width: 'wide', context: 'formatting'})
    }
  },

  // Stand-alone month
  L: function (date, token, localize, options) {
    var month = date.getUTCMonth();
    switch (token) {
      // 1, 2, ..., 12
      case 'L':
        return String(month + 1)
      // 01, 02, ..., 12
      case 'LL':
        return addLeadingZeros(month + 1, 2)
      // 1st, 2nd, ..., 12th
      case 'Lo':
        return localize.ordinalNumber(month + 1, {unit: 'month'})
      // Jan, Feb, ..., Dec
      case 'LLL':
        return localize.month(month, {width: 'abbreviated', context: 'standalone'})
      // J, F, ..., D
      case 'LLLLL':
        return localize.month(month, {width: 'narrow', context: 'standalone'})
      // January, February, ..., December
      case 'LLLL':
      default:
        return localize.month(month, {width: 'wide', context: 'standalone'})
    }
  },

  // Local week of year
  w: function (date, token, localize, options) {
    var week = getUTCWeek(date, options);

    if (token === 'wo') {
      return localize.ordinalNumber(week, {unit: 'week'})
    }

    return addLeadingZeros(week, token.length)
  },

  // ISO week of year
  I: function (date, token, localize, options) {
    var isoWeek = getUTCISOWeek(date, options);

    if (token === 'Io') {
      return localize.ordinalNumber(isoWeek, {unit: 'week'})
    }

    return addLeadingZeros(isoWeek, token.length)
  },

  // Day of the month
  d: function (date, token, localize, options) {
    var dayOfMonth = date.getUTCDate();

    if (token === 'do') {
      return localize.ordinalNumber(dayOfMonth, {unit: 'date'})
    }

    return addLeadingZeros(dayOfMonth, token.length)
  },

  // Day of year
  D: function (date, token, localize, options) {
    var dayOfYear = getUTCDayOfYear(date, options);

    if (token === 'Do') {
      return localize.ordinalNumber(dayOfYear, {unit: 'dayOfYear'})
    }

    return addLeadingZeros(dayOfYear, token.length)
  },

  // Day of week
  E: function (date, token, localize, options) {
    var dayOfWeek = date.getUTCDay();
    switch (token) {
      // Tue
      case 'E':
      case 'EE':
      case 'EEE':
        return localize.day(dayOfWeek, {width: 'abbreviated', context: 'formatting'})
      // T
      case 'EEEEE':
        return localize.day(dayOfWeek, {width: 'narrow', context: 'formatting'})
      // Tu
      case 'EEEEEE':
        return localize.day(dayOfWeek, {width: 'short', context: 'formatting'})
      // Tuesday
      case 'EEEE':
      default:
        return localize.day(dayOfWeek, {width: 'wide', context: 'formatting'})
    }
  },

  // Local day of week
  e: function (date, token, localize, options) {
    var dayOfWeek = date.getUTCDay();
    var localDayOfWeek = ((dayOfWeek - options.weekStartsOn + 8) % 7) || 7;
    switch (token) {
      // Numerical value (Nth day of week with current locale or weekStartsOn)
      case 'e':
        return String(localDayOfWeek)
      // Padded numerical value
      case 'ee':
        return addLeadingZeros(localDayOfWeek, 2)
      // 1st, 2nd, ..., 7th
      case 'eo':
        return localize.ordinalNumber(localDayOfWeek, {unit: 'day'})
      case 'eee':
        return localize.day(dayOfWeek, {width: 'abbreviated', context: 'formatting'})
      // T
      case 'eeeee':
        return localize.day(dayOfWeek, {width: 'narrow', context: 'formatting'})
      // Tu
      case 'eeeeee':
        return localize.day(dayOfWeek, {width: 'short', context: 'formatting'})
      // Tuesday
      case 'eeee':
      default:
        return localize.day(dayOfWeek, {width: 'wide', context: 'formatting'})
    }
  },

  // Stand-alone local day of week
  c: function (date, token, localize, options) {
    var dayOfWeek = date.getUTCDay();
    var localDayOfWeek = ((dayOfWeek - options.weekStartsOn + 8) % 7) || 7;
    switch (token) {
      // Numerical value (same as in `e`)
      case 'c':
        return String(localDayOfWeek)
      // Padded numberical value
      case 'cc':
        return addLeadingZeros(localDayOfWeek, token.length)
      // 1st, 2nd, ..., 7th
      case 'co':
        return localize.ordinalNumber(localDayOfWeek, {unit: 'day'})
      case 'ccc':
        return localize.day(dayOfWeek, {width: 'abbreviated', context: 'standalone'})
      // T
      case 'ccccc':
        return localize.day(dayOfWeek, {width: 'narrow', context: 'standalone'})
      // Tu
      case 'cccccc':
        return localize.day(dayOfWeek, {width: 'short', context: 'standalone'})
      // Tuesday
      case 'cccc':
      default:
        return localize.day(dayOfWeek, {width: 'wide', context: 'standalone'})
    }
  },

  // ISO day of week
  i: function (date, token, localize, options) {
    var dayOfWeek = date.getUTCDay();
    var isoDayOfWeek = dayOfWeek === 0 ? 7 : dayOfWeek;
    switch (token) {
      // 2
      case 'i':
        return String(isoDayOfWeek)
      // 02
      case 'ii':
        return addLeadingZeros(isoDayOfWeek, token.length)
      // 2nd
      case 'io':
        return localize.ordinalNumber(isoDayOfWeek, {unit: 'day'})
      // Tue
      case 'iii':
        return localize.day(dayOfWeek, {width: 'abbreviated', context: 'formatting'})
      // T
      case 'iiiii':
        return localize.day(dayOfWeek, {width: 'narrow', context: 'formatting'})
      // Tu
      case 'iiiiii':
        return localize.day(dayOfWeek, {width: 'short', context: 'formatting'})
      // Tuesday
      case 'iiii':
      default:
        return localize.day(dayOfWeek, {width: 'wide', context: 'formatting'})
    }
  },

  // AM or PM
  a: function (date, token, localize) {
    var hours = date.getUTCHours();
    var dayPeriodEnumValue = (hours / 12) >= 1 ? 'pm' : 'am';

    switch (token) {
      case 'a':
      case 'aa':
      case 'aaa':
        return localize.dayPeriod(dayPeriodEnumValue, {width: 'abbreviated', context: 'formatting'})
      case 'aaaaa':
        return localize.dayPeriod(dayPeriodEnumValue, {width: 'narrow', context: 'formatting'})
      case 'aaaa':
      default:
        return localize.dayPeriod(dayPeriodEnumValue, {width: 'wide', context: 'formatting'})
    }
  },

  // AM, PM, midnight, noon
  b: function (date, token, localize) {
    var hours = date.getUTCHours();
    var dayPeriodEnumValue;
    if (hours === 12) {
      dayPeriodEnumValue = dayPeriodEnum.noon;
    } else if (hours === 0) {
      dayPeriodEnumValue = dayPeriodEnum.midnight;
    } else {
      dayPeriodEnumValue = (hours / 12) >= 1 ? 'pm' : 'am';
    }

    switch (token) {
      case 'b':
      case 'bb':
      case 'bbb':
        return localize.dayPeriod(dayPeriodEnumValue, {width: 'abbreviated', context: 'formatting'})
      case 'bbbbb':
        return localize.dayPeriod(dayPeriodEnumValue, {width: 'narrow', context: 'formatting'})
      case 'bbbb':
      default:
        return localize.dayPeriod(dayPeriodEnumValue, {width: 'wide', context: 'formatting'})
    }
  },

  // in the morning, in the afternoon, in the evening, at night
  B: function (date, token, localize) {
    var hours = date.getUTCHours();
    var dayPeriodEnumValue;
    if (hours >= 17) {
      dayPeriodEnumValue = dayPeriodEnum.evening;
    } else if (hours >= 12) {
      dayPeriodEnumValue = dayPeriodEnum.afternoon;
    } else if (hours >= 4) {
      dayPeriodEnumValue = dayPeriodEnum.morning;
    } else {
      dayPeriodEnumValue = dayPeriodEnum.night;
    }

    switch (token) {
      case 'B':
      case 'BB':
      case 'BBB':
        return localize.dayPeriod(dayPeriodEnumValue, {width: 'abbreviated', context: 'formatting'})
      case 'BBBBB':
        return localize.dayPeriod(dayPeriodEnumValue, {width: 'narrow', context: 'formatting'})
      case 'BBBB':
      default:
        return localize.dayPeriod(dayPeriodEnumValue, {width: 'wide', context: 'formatting'})
    }
  },

  // Hour [1-12]
  h: function (date, token, localize, options) {
    var hours = date.getUTCHours() % 12;

    if (hours === 0) {
      hours = 12;
    }

    if (token === 'ho') {
      return localize.ordinalNumber(hours, {unit: 'hour'})
    }

    return addLeadingZeros(hours, token.length)
  },

  // Hour [0-23]
  H: function (date, token, localize, options) {
    var hours = date.getUTCHours();

    if (token === 'Ho') {
      return localize.ordinalNumber(hours, {unit: 'hour'})
    }

    return addLeadingZeros(hours, token.length)
  },

  // Hour [0-11]
  K: function (date, token, localize, options) {
    var hours = date.getUTCHours() % 12;

    if (token === 'Ko') {
      return localize.ordinalNumber(hours, {unit: 'hour'})
    }

    return addLeadingZeros(hours, token.length)
  },

  // Hour [1-24]
  k: function (date, token, localize, options) {
    var hours = date.getUTCHours();

    if (hours === 0) {
      hours = 24;
    }

    if (token === 'ko') {
      return localize.ordinalNumber(hours, {unit: 'hour'})
    }

    return addLeadingZeros(hours, token.length)
  },

  // Minute
  m: function (date, token, localize, options) {
    var minutes = date.getUTCMinutes();

    if (token === 'mo') {
      return localize.ordinalNumber(minutes, {unit: 'minute'})
    }

    return addLeadingZeros(minutes, token.length)
  },

  // Second
  s: function (date, token, localize, options) {
    var seconds = date.getUTCSeconds();

    if (token === 'so') {
      return localize.ordinalNumber(seconds, {unit: 'second'})
    }

    return addLeadingZeros(seconds, token.length)
  },

  // Fraction of second
  S: function (date, token, localize, options) {
    var numberOfDigits = token.length;
    var milliseconds = date.getUTCMilliseconds();
    var fractionalSeconds = Math.floor(milliseconds * Math.pow(10, numberOfDigits - 3));
    return addLeadingZeros(fractionalSeconds, numberOfDigits)
  },

  // Timezone (ISO-8601. If offset is 0, output is always `'Z'`)
  X: function (date, token, localize, options) {
    var originalDate = options._originalDate || date;
    var timezoneOffset = originalDate.getTimezoneOffset();

    if (timezoneOffset === 0) {
      return 'Z'
    }

    switch (token) {
      // Hours and optional minutes
      case 'X':
        return formatTimezoneWithOptionalMinutes(timezoneOffset)

      // Hours, minutes and optional seconds without `:` delimeter
      // Note: neither ISO-8601 nor JavaScript supports seconds in timezone offsets
      // so this token always has the same output as `XX`
      case 'XXXX':
      case 'XX': // Hours and minutes without `:` delimeter
        return formatTimezone(timezoneOffset)

      // Hours, minutes and optional seconds with `:` delimeter
      // Note: neither ISO-8601 nor JavaScript supports seconds in timezone offsets
      // so this token always has the same output as `XXX`
      case 'XXXXX':
      case 'XXX': // Hours and minutes with `:` delimeter
      default:
        return formatTimezone(timezoneOffset, ':')
    }
  },

  // Timezone (ISO-8601. If offset is 0, output is `'+00:00'` or equivalent)
  x: function (date, token, localize, options) {
    var originalDate = options._originalDate || date;
    var timezoneOffset = originalDate.getTimezoneOffset();

    switch (token) {
      // Hours and optional minutes
      case 'x':
        return formatTimezoneWithOptionalMinutes(timezoneOffset)

      // Hours, minutes and optional seconds without `:` delimeter
      // Note: neither ISO-8601 nor JavaScript supports seconds in timezone offsets
      // so this token always has the same output as `xx`
      case 'xxxx':
      case 'xx': // Hours and minutes without `:` delimeter
        return formatTimezone(timezoneOffset)

      // Hours, minutes and optional seconds with `:` delimeter
      // Note: neither ISO-8601 nor JavaScript supports seconds in timezone offsets
      // so this token always has the same output as `xxx`
      case 'xxxxx':
      case 'xxx': // Hours and minutes with `:` delimeter
      default:
        return formatTimezone(timezoneOffset, ':')
    }
  },

  // Timezone (GMT)
  O: function (date, token, localize, options) {
    var originalDate = options._originalDate || date;
    var timezoneOffset = originalDate.getTimezoneOffset();

    switch (token) {
      // Short
      case 'O':
      case 'OO':
      case 'OOO':
        return 'GMT' + formatTimezoneShort(timezoneOffset, ':')
      // Long
      case 'OOOO':
      default:
        return 'GMT' + formatTimezone(timezoneOffset, ':')
    }
  },

  // Timezone (specific non-location)
  z: function (date, token, localize, options) {
    var originalDate = options._originalDate || date;
    var timezoneOffset = originalDate.getTimezoneOffset();

    switch (token) {
      // Short
      case 'z':
      case 'zz':
      case 'zzz':
        return 'GMT' + formatTimezoneShort(timezoneOffset, ':')
      // Long
      case 'zzzz':
      default:
        return 'GMT' + formatTimezone(timezoneOffset, ':')
    }
  },

  // Seconds timestamp
  t: function (date, token, localize, options) {
    var originalDate = options._originalDate || date;
    var timestamp = Math.floor(originalDate.getTime() / 1000);
    return addLeadingZeros(timestamp, token.length)
  },

  // Milliseconds timestamp
  T: function (date, token, localize, options) {
    var originalDate = options._originalDate || date;
    var timestamp = originalDate.getTime();
    return addLeadingZeros(timestamp, token.length)
  }
};

function addLeadingZeros (number, targetLength) {
  var sign = number < 0 ? '-' : '';
  var output = Math.abs(number).toString();
  while (output.length < targetLength) {
    output = '0' + output;
  }
  return sign + output
}

function formatTimezone (offset, dirtyDelimeter) {
  var delimeter = dirtyDelimeter || '';
  var sign = offset > 0 ? '-' : '+';
  var absOffset = Math.abs(offset);
  var hours = addLeadingZeros(Math.floor(absOffset / 60), 2);
  var minutes = addLeadingZeros(absOffset % 60, 2);
  return sign + hours + delimeter + minutes
}

function formatTimezoneWithOptionalMinutes (offset, dirtyDelimeter) {
  if (offset % 60 === 0) {
    var sign = offset > 0 ? '-' : '+';
    return sign + addLeadingZeros(Math.abs(offset) / 60, 2)
  }
  return formatTimezone(offset, dirtyDelimeter)
}

function formatTimezoneShort (offset, dirtyDelimeter) {
  var sign = offset > 0 ? '-' : '+';
  var absOffset = Math.abs(offset);
  var hours = Math.floor(absOffset / 60);
  var minutes = absOffset % 60;
  if (minutes === 0) {
    return sign + String(hours)
  }
  var delimeter = dirtyDelimeter || '';
  return sign + String(hours) + delimeter + addLeadingZeros(minutes, 2)
}

function dateLongFormatter (pattern, formatLong, options) {
  switch (pattern) {
    case 'P':
      return formatLong.date({width: 'short'})
    case 'PP':
      return formatLong.date({width: 'medium'})
    case 'PPP':
      return formatLong.date({width: 'long'})
    case 'PPPP':
    default:
      return formatLong.date({width: 'full'})
  }
}

function timeLongFormatter (pattern, formatLong, options) {
  switch (pattern) {
    case 'p':
      return formatLong.time({width: 'short'})
    case 'pp':
      return formatLong.time({width: 'medium'})
    case 'ppp':
      return formatLong.time({width: 'long'})
    case 'pppp':
    default:
      return formatLong.time({width: 'full'})
  }
}

function dateTimeLongFormatter (pattern, formatLong, options) {
  var matchResult = pattern.match(/(P+)(p+)?/);
  var datePattern = matchResult[1];
  var timePattern = matchResult[2];

  if (!timePattern) {
    return dateLongFormatter(pattern, formatLong)
  }

  var dateTimeFormat;

  switch (datePattern) {
    case 'P':
      dateTimeFormat = formatLong.dateTime({width: 'short'});
      break
    case 'PP':
      dateTimeFormat = formatLong.dateTime({width: 'medium'});
      break
    case 'PPP':
      dateTimeFormat = formatLong.dateTime({width: 'long'});
      break
    case 'PPPP':
    default:
      dateTimeFormat = formatLong.dateTime({width: 'full'});
      break
  }

  return dateTimeFormat
    .replace('{{date}}', dateLongFormatter(datePattern, formatLong))
    .replace('{{time}}', timeLongFormatter(timePattern, formatLong))
}

var longFormatters = {
  p: timeLongFormatter,
  P: dateTimeLongFormatter
};

/**
 * @name subMilliseconds
 * @category Millisecond Helpers
 * @summary Subtract the specified number of milliseconds from the given date.
 *
 * @description
 * Subtract the specified number of milliseconds from the given date.
 *
 * @param {Date|String|Number} date - the date to be changed
 * @param {Number} amount - the amount of milliseconds to be subtracted
 * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
 * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * @returns {Date} the new date with the milliseconds subtracted
 * @throws {TypeError} 2 arguments required
 * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
 *
 * @example
 * // Subtract 750 milliseconds from 10 July 2014 12:45:30.000:
 * var result = subMilliseconds(new Date(2014, 6, 10, 12, 45, 30, 0), 750)
 * //=> Thu Jul 10 2014 12:45:29.250
 */
function subMilliseconds (dirtyDate, dirtyAmount, dirtyOptions) {
  if (arguments.length < 2) {
    throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
  }

  var amount = toInteger(dirtyAmount);
  return addMilliseconds(dirtyDate, -amount, dirtyOptions)
}

var protectedTokens = ['D', 'DD', 'YY', 'YYYY'];

function isProtectedToken(token) {
  return protectedTokens.indexOf(token) !== -1
}

function throwProtectedError(token) {
  throw new RangeError(
    '`options.awareOfUnicodeTokens` must be set to `true` to use `' +
      token +
      '` token; see: https://git.io/fxCyr'
  )
}

// This RegExp consists of three parts separated by `|`:
// - [yYQqMLwIdDecihHKkms]o matches any available ordinal number token
//   (one of the certain letters followed by `o`)
// - (\w)\1* matches any sequences of the same letter
// - '' matches two quote characters in a row
// - '(''|[^'])+('|$) matches anything surrounded by two quote characters ('),
//   except a single quote symbol, which ends the sequence.
//   Two quote characters do not end the sequence.
//   If there is no matching single quote
//   then the sequence will continue until the end of the string.
// - . matches any single character unmatched by previous parts of the RegExps
var formattingTokensRegExp = /[yYQqMLwIdDecihHKkms]o|(\w)\1*|''|'(''|[^'])+('|$)|./g;

// This RegExp catches symbols escaped by quotes, and also
// sequences of symbols P, p, and the combinations like `PPPPPPPppppp`
var longFormattingTokensRegExp = /P+p+|P+|p+|''|'(''|[^'])+('|$)|./g;

var escapedStringRegExp = /^'(.*?)'?$/;
var doubleQuoteRegExp = /''/g;

/**
 * @name format
 * @category Common Helpers
 * @summary Format the date.
 *
 * @description
 * Return the formatted date string in the given format. The result may vary by locale.
 *
 * > ⚠️ Please note that the `format` tokens differ from Moment.js and other libraries.
 * > See: https://git.io/fxCyr
 *
 * The characters wrapped between two single quotes characters (') are escaped.
 * Two single quotes in a row, whether inside or outside a quoted sequence, represent a 'real' single quote.
 * (see the last example)
 *
 * Format of the string is based on Unicode Technical Standard #35:
 * https://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
 * with a few additions (see note 7 below the table).
 *
 * Accepted patterns:
 * | Unit                            | Pattern | Result examples                   | Notes |
 * |---------------------------------|---------|-----------------------------------|-------|
 * | Era                             | G..GGG  | AD, BC                            |       |
 * |                                 | GGGG    | Anno Domini, Before Christ        | 2     |
 * |                                 | GGGGG   | A, B                              |       |
 * | Calendar year                   | y       | 44, 1, 1900, 2017                 | 5     |
 * |                                 | yo      | 44th, 1st, 0th, 17th              | 5,7   |
 * |                                 | yy      | 44, 01, 00, 17                    | 5     |
 * |                                 | yyy     | 044, 001, 1900, 2017              | 5     |
 * |                                 | yyyy    | 0044, 0001, 1900, 2017            | 5     |
 * |                                 | yyyyy   | ...                               | 3,5   |
 * | Local week-numbering year       | Y       | 44, 1, 1900, 2017                 | 5     |
 * |                                 | Yo      | 44th, 1st, 1900th, 2017th         | 5,7   |
 * |                                 | YY      | 44, 01, 00, 17                    | 5,8   |
 * |                                 | YYY     | 044, 001, 1900, 2017              | 5     |
 * |                                 | YYYY    | 0044, 0001, 1900, 2017            | 5,8   |
 * |                                 | YYYYY   | ...                               | 3,5   |
 * | ISO week-numbering year         | R       | -43, 0, 1, 1900, 2017             | 5,7   |
 * |                                 | RR      | -43, 00, 01, 1900, 2017           | 5,7   |
 * |                                 | RRR     | -043, 000, 001, 1900, 2017        | 5,7   |
 * |                                 | RRRR    | -0043, 0000, 0001, 1900, 2017     | 5,7   |
 * |                                 | RRRRR   | ...                               | 3,5,7 |
 * | Extended year                   | u       | -43, 0, 1, 1900, 2017             | 5     |
 * |                                 | uu      | -43, 01, 1900, 2017               | 5     |
 * |                                 | uuu     | -043, 001, 1900, 2017             | 5     |
 * |                                 | uuuu    | -0043, 0001, 1900, 2017           | 5     |
 * |                                 | uuuuu   | ...                               | 3,5   |
 * | Quarter (formatting)            | Q       | 1, 2, 3, 4                        |       |
 * |                                 | Qo      | 1st, 2nd, 3rd, 4th                | 7     |
 * |                                 | QQ      | 01, 02, 03, 04                    |       |
 * |                                 | QQQ     | Q1, Q2, Q3, Q4                    |       |
 * |                                 | QQQQ    | 1st quarter, 2nd quarter, ...     | 2     |
 * |                                 | QQQQQ   | 1, 2, 3, 4                        | 4     |
 * | Quarter (stand-alone)           | q       | 1, 2, 3, 4                        |       |
 * |                                 | qo      | 1st, 2nd, 3rd, 4th                | 7     |
 * |                                 | qq      | 01, 02, 03, 04                    |       |
 * |                                 | qqq     | Q1, Q2, Q3, Q4                    |       |
 * |                                 | qqqq    | 1st quarter, 2nd quarter, ...     | 2     |
 * |                                 | qqqqq   | 1, 2, 3, 4                        | 4     |
 * | Month (formatting)              | M       | 1, 2, ..., 12                     |       |
 * |                                 | Mo      | 1st, 2nd, ..., 12th               | 7     |
 * |                                 | MM      | 01, 02, ..., 12                   |       |
 * |                                 | MMM     | Jan, Feb, ..., Dec                |       |
 * |                                 | MMMM    | January, February, ..., December  | 2     |
 * |                                 | MMMMM   | J, F, ..., D                      |       |
 * | Month (stand-alone)             | L       | 1, 2, ..., 12                     |       |
 * |                                 | Lo      | 1st, 2nd, ..., 12th               | 7     |
 * |                                 | LL      | 01, 02, ..., 12                   |       |
 * |                                 | LLL     | Jan, Feb, ..., Dec                |       |
 * |                                 | LLLL    | January, February, ..., December  | 2     |
 * |                                 | LLLLL   | J, F, ..., D                      |       |
 * | Local week of year              | w       | 1, 2, ..., 53                     |       |
 * |                                 | wo      | 1st, 2nd, ..., 53th               | 7     |
 * |                                 | ww      | 01, 02, ..., 53                   |       |
 * | ISO week of year                | I       | 1, 2, ..., 53                     | 7     |
 * |                                 | Io      | 1st, 2nd, ..., 53th               | 7     |
 * |                                 | II      | 01, 02, ..., 53                   | 7     |
 * | Day of month                    | d       | 1, 2, ..., 31                     |       |
 * |                                 | do      | 1st, 2nd, ..., 31st               | 7     |
 * |                                 | dd      | 01, 02, ..., 31                   |       |
 * | Day of year                     | D       | 1, 2, ..., 365, 366               | 8     |
 * |                                 | Do      | 1st, 2nd, ..., 365th, 366th       | 7     |
 * |                                 | DD      | 01, 02, ..., 365, 366             | 8     |
 * |                                 | DDD     | 001, 002, ..., 365, 366           |       |
 * |                                 | DDDD    | ...                               | 3     |
 * | Day of week (formatting)        | E..EEE  | Mon, Tue, Wed, ..., Su            |       |
 * |                                 | EEEE    | Monday, Tuesday, ..., Sunday      | 2     |
 * |                                 | EEEEE   | M, T, W, T, F, S, S               |       |
 * |                                 | EEEEEE  | Mo, Tu, We, Th, Fr, Su, Sa        |       |
 * | ISO day of week (formatting)    | i       | 1, 2, 3, ..., 7                   | 7     |
 * |                                 | io      | 1st, 2nd, ..., 7th                | 7     |
 * |                                 | ii      | 01, 02, ..., 07                   | 7     |
 * |                                 | iii     | Mon, Tue, Wed, ..., Su            | 7     |
 * |                                 | iiii    | Monday, Tuesday, ..., Sunday      | 2,7   |
 * |                                 | iiiii   | M, T, W, T, F, S, S               | 7     |
 * |                                 | iiiiii  | Mo, Tu, We, Th, Fr, Su, Sa        | 7     |
 * | Local day of week (formatting)  | e       | 2, 3, 4, ..., 1                   |       |
 * |                                 | eo      | 2nd, 3rd, ..., 1st                | 7     |
 * |                                 | ee      | 02, 03, ..., 01                   |       |
 * |                                 | eee     | Mon, Tue, Wed, ..., Su            |       |
 * |                                 | eeee    | Monday, Tuesday, ..., Sunday      | 2     |
 * |                                 | eeeee   | M, T, W, T, F, S, S               |       |
 * |                                 | eeeeee  | Mo, Tu, We, Th, Fr, Su, Sa        |       |
 * | Local day of week (stand-alone) | c       | 2, 3, 4, ..., 1                   |       |
 * |                                 | co      | 2nd, 3rd, ..., 1st                | 7     |
 * |                                 | cc      | 02, 03, ..., 01                   |       |
 * |                                 | ccc     | Mon, Tue, Wed, ..., Su            |       |
 * |                                 | cccc    | Monday, Tuesday, ..., Sunday      | 2     |
 * |                                 | ccccc   | M, T, W, T, F, S, S               |       |
 * |                                 | cccccc  | Mo, Tu, We, Th, Fr, Su, Sa        |       |
 * | AM, PM                          | a..aaa  | AM, PM                            |       |
 * |                                 | aaaa    | a.m., p.m.                        | 2     |
 * |                                 | aaaaa   | a, p                              |       |
 * | AM, PM, noon, midnight          | b..bbb  | AM, PM, noon, midnight            |       |
 * |                                 | bbbb    | a.m., p.m., noon, midnight        | 2     |
 * |                                 | bbbbb   | a, p, n, mi                       |       |
 * | Flexible day period             | B..BBB  | at night, in the morning, ...     |       |
 * |                                 | BBBB    | at night, in the morning, ...     | 2     |
 * |                                 | BBBBB   | at night, in the morning, ...     |       |
 * | Hour [1-12]                     | h       | 1, 2, ..., 11, 12                 |       |
 * |                                 | ho      | 1st, 2nd, ..., 11th, 12th         | 7     |
 * |                                 | hh      | 01, 02, ..., 11, 12               |       |
 * | Hour [0-23]                     | H       | 0, 1, 2, ..., 23                  |       |
 * |                                 | Ho      | 0th, 1st, 2nd, ..., 23rd          | 7     |
 * |                                 | HH      | 00, 01, 02, ..., 23               |       |
 * | Hour [0-11]                     | K       | 1, 2, ..., 11, 0                  |       |
 * |                                 | Ko      | 1st, 2nd, ..., 11th, 0th          | 7     |
 * |                                 | KK      | 1, 2, ..., 11, 0                  |       |
 * | Hour [1-24]                     | k       | 24, 1, 2, ..., 23                 |       |
 * |                                 | ko      | 24th, 1st, 2nd, ..., 23rd         | 7     |
 * |                                 | kk      | 24, 01, 02, ..., 23               |       |
 * | Minute                          | m       | 0, 1, ..., 59                     |       |
 * |                                 | mo      | 0th, 1st, ..., 59th               | 7     |
 * |                                 | mm      | 00, 01, ..., 59                   |       |
 * | Second                          | s       | 0, 1, ..., 59                     |       |
 * |                                 | so      | 0th, 1st, ..., 59th               | 7     |
 * |                                 | ss      | 00, 01, ..., 59                   |       |
 * | Fraction of second              | S       | 0, 1, ..., 9                      |       |
 * |                                 | SS      | 00, 01, ..., 99                   |       |
 * |                                 | SSS     | 000, 0001, ..., 999               |       |
 * |                                 | SSSS    | ...                               | 3     |
 * | Timezone (ISO-8601 w/ Z)        | X       | -08, +0530, Z                     |       |
 * |                                 | XX      | -0800, +0530, Z                   |       |
 * |                                 | XXX     | -08:00, +05:30, Z                 |       |
 * |                                 | XXXX    | -0800, +0530, Z, +123456          | 2     |
 * |                                 | XXXXX   | -08:00, +05:30, Z, +12:34:56      |       |
 * | Timezone (ISO-8601 w/o Z)       | x       | -08, +0530, +00                   |       |
 * |                                 | xx      | -0800, +0530, +0000               |       |
 * |                                 | xxx     | -08:00, +05:30, +00:00            | 2     |
 * |                                 | xxxx    | -0800, +0530, +0000, +123456      |       |
 * |                                 | xxxxx   | -08:00, +05:30, +00:00, +12:34:56 |       |
 * | Timezone (GMT)                  | O...OOO | GMT-8, GMT+5:30, GMT+0            |       |
 * |                                 | OOOO    | GMT-08:00, GMT+05:30, GMT+00:00   | 2     |
 * | Timezone (specific non-locat.)  | z...zzz | GMT-8, GMT+5:30, GMT+0            | 6     |
 * |                                 | zzzz    | GMT-08:00, GMT+05:30, GMT+00:00   | 2,6   |
 * | Seconds timestamp               | t       | 512969520                         | 7     |
 * |                                 | tt      | ...                               | 3,7   |
 * | Milliseconds timestamp          | T       | 512969520900                      | 7     |
 * |                                 | TT      | ...                               | 3,7   |
 * | Long localized date             | P       | 05/29/1453                        | 7     |
 * |                                 | PP      | May 29, 1453                      | 7     |
 * |                                 | PPP     | May 29th, 1453                    | 7     |
 * |                                 | PPPP    | Sunday, May 29th, 1453            | 2,7   |
 * | Long localized time             | p       | 12:00 AM                          | 7     |
 * |                                 | pp      | 12:00:00 AM                       | 7     |
 * |                                 | ppp     | 12:00:00 AM GMT+2                 | 7     |
 * |                                 | pppp    | 12:00:00 AM GMT+02:00             | 2,7   |
 * | Combination of date and time    | Pp      | 05/29/1453, 12:00 AM              | 7     |
 * |                                 | PPpp    | May 29, 1453, 12:00:00 AM         | 7     |
 * |                                 | PPPppp  | May 29th, 1453 at ...             | 7     |
 * |                                 | PPPPpppp| Sunday, May 29th, 1453 at ...     | 2,7   |
 * Notes:
 * 1. "Formatting" units (e.g. formatting quarter) in the default en-US locale
 *    are the same as "stand-alone" units, but are different in some languages.
 *    "Formatting" units are declined according to the rules of the language
 *    in the context of a date. "Stand-alone" units are always nominative singular:
 *
 *    `format(new Date(2017, 10, 6), 'do LLLL', {locale: cs}) //=> '6. listopad'`
 *
 *    `format(new Date(2017, 10, 6), 'do MMMM', {locale: cs}) //=> '6. listopadu'`
 *
 * 2. Any sequence of the identical letters is a pattern, unless it is escaped by
 *    the single quote characters (see below).
 *    If the sequence is longer than listed in table (e.g. `EEEEEEEEEEE`)
 *    the output will be the same as default pattern for this unit, usually
 *    the longest one (in case of ISO weekdays, `EEEE`). Default patterns for units
 *    are marked with "2" in the last column of the table.
 *
 *    `format(new Date(2017, 10, 6), 'MMM') //=> 'Nov'`
 *
 *    `format(new Date(2017, 10, 6), 'MMMM') //=> 'November'`
 *
 *    `format(new Date(2017, 10, 6), 'MMMMM') //=> 'N'`
 *
 *    `format(new Date(2017, 10, 6), 'MMMMMM') //=> 'November'`
 *
 *    `format(new Date(2017, 10, 6), 'MMMMMMM') //=> 'November'`
 *
 * 3. Some patterns could be unlimited length (such as `yyyyyyyy`).
 *    The output will be padded with zeros to match the length of the pattern.
 *
 *    `format(new Date(2017, 10, 6), 'yyyyyyyy') //=> '00002017'`
 *
 * 4. `QQQQQ` and `qqqqq` could be not strictly numerical in some locales.
 *    These tokens represent the shortest form of the quarter.
 *
 * 5. The main difference between `y` and `u` patterns are B.C. years:
 *
 *    | Year | `y` | `u` |
 *    |------|-----|-----|
 *    | AC 1 |   1 |   1 |
 *    | BC 1 |   1 |   0 |
 *    | BC 2 |   2 |  -1 |
 *
 *    Also `yy` always returns the last two digits of a year,
 *    while `uu` pads single digit years to 2 characters and returns other years unchanged:
 *
 *    | Year | `yy` | `uu` |
 *    |------|------|------|
 *    | 1    |   01 |   01 |
 *    | 14   |   14 |   14 |
 *    | 376  |   76 |  376 |
 *    | 1453 |   53 | 1453 |
 *
 *    The same difference is true for local and ISO week-numbering years (`Y` and `R`),
 *    except local week-numbering years are dependent on `options.weekStartsOn`
 *    and `options.firstWeekContainsDate` (compare [getISOWeekYear]{@link https://date-fns.org/docs/getISOWeekYear}
 *    and [getWeekYear]{@link https://date-fns.org/docs/getWeekYear}).
 *
 * 6. Specific non-location timezones are currently unavailable in `date-fns`,
 *    so right now these tokens fall back to GMT timezones.
 *
 * 7. These patterns are not in the Unicode Technical Standard #35:
 *    - `i`: ISO day of week
 *    - `I`: ISO week of year
 *    - `R`: ISO week-numbering year
 *    - `t`: seconds timestamp
 *    - `T`: milliseconds timestamp
 *    - `o`: ordinal number modifier
 *    - `P`: long localized date
 *    - `p`: long localized time
 *
 * 8. These tokens are often confused with others. See: https://git.io/fxCyr
 *
 * @param {Date|String|Number} date - the original date
 * @param {String} format - the string of tokens
 * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
 * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)
 * @param {Number} [options.firstWeekContainsDate=1] - the day of January, which is
 * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
 * @param {Boolean} [options.awareOfUnicodeTokens=false] - if true, allows usage of Unicode tokens causes confusion:
 *   - Some of the day of year tokens (`D`, `DD`) that are confused with the day of month tokens (`d`, `dd`).
 *   - Some of the local week-numbering year tokens (`YY`, `YYYY`) that are confused with the calendar year tokens (`yy`, `yyyy`).
 *   See: https://git.io/fxCyr
 * @returns {String} the formatted date string
 * @throws {TypeError} 2 arguments required
 * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
 * @throws {RangeError} `options.locale` must contain `localize` property
 * @throws {RangeError} `options.locale` must contain `formatLong` property
 * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6
 * @throws {RangeError} `options.firstWeekContainsDate` must be between 1 and 7
 * @throws {RangeError} `options.awareOfUnicodeTokens` must be set to `true` to use `XX` token; see: https://git.io/fxCyr
 *
 * @example
 * // Represent 11 February 2014 in middle-endian format:
 * var result = format(
 *   new Date(2014, 1, 11),
 *   'MM/dd/yyyy'
 * )
 * //=> '02/11/2014'
 *
 * @example
 * // Represent 2 July 2014 in Esperanto:
 * import { eoLocale } from 'date-fns/locale/eo'
 * var result = format(
 *   new Date(2014, 6, 2),
 *   "do 'de' MMMM yyyy",
 *   {locale: eoLocale}
 * )
 * //=> '2-a de julio 2014'
 *
 * @example
 * // Escape string by single quote characters:
 * var result = format(
 *   new Date(2014, 6, 2, 15),
 *   "h 'o''clock'"
 * )
 * //=> "3 o'clock"
 */
function format(dirtyDate, dirtyFormatStr, dirtyOptions) {
  if (arguments.length < 2) {
    throw new TypeError(
      '2 arguments required, but only ' + arguments.length + ' present'
    )
  }

  var formatStr = String(dirtyFormatStr);
  var options = dirtyOptions || {};

  var locale = options.locale || locale$1;

  var localeFirstWeekContainsDate =
    locale.options && locale.options.firstWeekContainsDate;
  var defaultFirstWeekContainsDate =
    localeFirstWeekContainsDate == null
      ? 1
      : toInteger(localeFirstWeekContainsDate);
  var firstWeekContainsDate =
    options.firstWeekContainsDate == null
      ? defaultFirstWeekContainsDate
      : toInteger(options.firstWeekContainsDate);

  // Test if weekStartsOn is between 1 and 7 _and_ is not NaN
  if (!(firstWeekContainsDate >= 1 && firstWeekContainsDate <= 7)) {
    throw new RangeError(
      'firstWeekContainsDate must be between 1 and 7 inclusively'
    )
  }

  var localeWeekStartsOn = locale.options && locale.options.weekStartsOn;
  var defaultWeekStartsOn =
    localeWeekStartsOn == null ? 0 : toInteger(localeWeekStartsOn);
  var weekStartsOn =
    options.weekStartsOn == null
      ? defaultWeekStartsOn
      : toInteger(options.weekStartsOn);

  // Test if weekStartsOn is between 0 and 6 _and_ is not NaN
  if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {
    throw new RangeError('weekStartsOn must be between 0 and 6 inclusively')
  }

  if (!locale.localize) {
    throw new RangeError('locale must contain localize property')
  }

  if (!locale.formatLong) {
    throw new RangeError('locale must contain formatLong property')
  }

  var originalDate = toDate(dirtyDate, options);

  if (!isValid(originalDate, options)) {
    return 'Invalid Date'
  }

  // Convert the date in system timezone to the same date in UTC+00:00 timezone.
  // This ensures that when UTC functions will be implemented, locales will be compatible with them.
  // See an issue about UTC functions: https://github.com/date-fns/date-fns/issues/376
  var timezoneOffset = getTimezoneOffsetInMilliseconds(originalDate);
  var utcDate = subMilliseconds(originalDate, timezoneOffset, options);

  var formatterOptions = {
    firstWeekContainsDate: firstWeekContainsDate,
    weekStartsOn: weekStartsOn,
    locale: locale,
    _originalDate: originalDate
  };

  var result = formatStr
    .match(longFormattingTokensRegExp)
    .map(function(substring) {
      var firstCharacter = substring[0];
      if (firstCharacter === 'p' || firstCharacter === 'P') {
        var longFormatter = longFormatters[firstCharacter];
        return longFormatter(substring, locale.formatLong, formatterOptions)
      }
      return substring
    })
    .join('')
    .match(formattingTokensRegExp)
    .map(function(substring) {
      // Replace two single quote characters with one single quote character
      if (substring === "''") {
        return "'"
      }

      var firstCharacter = substring[0];
      if (firstCharacter === "'") {
        return cleanEscapedString(substring)
      }

      var formatter = formatters[firstCharacter];
      if (formatter) {
        if (!options.awareOfUnicodeTokens && isProtectedToken(substring)) {
          throwProtectedError(substring);
        }
        return formatter(utcDate, substring, locale.localize, formatterOptions)
      }

      return substring
    })
    .join('');

  return result
}

function cleanEscapedString(input) {
  return input.match(escapedStringRegExp)[1].replace(doubleQuoteRegExp, "'")
}

/**
 * @name isAfter
 * @category Common Helpers
 * @summary Is the first date after the second one?
 *
 * @description
 * Is the first date after the second one?
 *
 * @param {Date|String|Number} date - the date that should be after the other one to return true
 * @param {Date|String|Number} dateToCompare - the date to compare with
 * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
 * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * @returns {Boolean} the first date is after the second date
 * @throws {TypeError} 2 arguments required
 * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
 *
 * @example
 * // Is 10 July 1989 after 11 February 1987?
 * var result = isAfter(new Date(1989, 6, 10), new Date(1987, 1, 11))
 * //=> true
 */
function isAfter (dirtyDate, dirtyDateToCompare, dirtyOptions) {
  if (arguments.length < 2) {
    throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  var dateToCompare = toDate(dirtyDateToCompare, dirtyOptions);
  return date.getTime() > dateToCompare.getTime()
}

/**
 * @name isBefore
 * @category Common Helpers
 * @summary Is the first date before the second one?
 *
 * @description
 * Is the first date before the second one?
 *
 * @param {Date|String|Number} date - the date that should be before the other one to return true
 * @param {Date|String|Number} dateToCompare - the date to compare with
 * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
 * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * @returns {Boolean} the first date is before the second date
 * @throws {TypeError} 2 arguments required
 * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
 *
 * @example
 * // Is 10 July 1989 before 11 February 1987?
 * var result = isBefore(new Date(1989, 6, 10), new Date(1987, 1, 11))
 * //=> false
 */
function isBefore (dirtyDate, dirtyDateToCompare, dirtyOptions) {
  if (arguments.length < 2) {
    throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  var dateToCompare = toDate(dirtyDateToCompare, dirtyOptions);
  return date.getTime() < dateToCompare.getTime()
}

/**
 * @name isEqual
 * @category Common Helpers
 * @summary Are the given dates equal?
 *
 * @description
 * Are the given dates equal?
 *
 * @param {Date|String|Number} dateLeft - the first date to compare
 * @param {Date|String|Number} dateRight - the second date to compare
 * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
 * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * @returns {Boolean} the dates are equal
 * @throws {TypeError} 2 arguments required
 * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
 *
 * @example
 * // Are 2 July 2014 06:30:45.000 and 2 July 2014 06:30:45.500 equal?
 * var result = isEqual(
 *   new Date(2014, 6, 2, 6, 30, 45, 0)
 *   new Date(2014, 6, 2, 6, 30, 45, 500)
 * )
 * //=> false
 */
function isEqual$1 (dirtyLeftDate, dirtyRightDate, dirtyOptions) {
  if (arguments.length < 2) {
    throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
  }

  var dateLeft = toDate(dirtyLeftDate, dirtyOptions);
  var dateRight = toDate(dirtyRightDate, dirtyOptions);
  return dateLeft.getTime() === dateRight.getTime()
}

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function setUTCDay (dirtyDate, dirtyDay, dirtyOptions) {
  if (arguments.length < 2) {
    throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
  }

  var options = dirtyOptions || {};
  var locale = options.locale;
  var localeWeekStartsOn = locale && locale.options && locale.options.weekStartsOn;
  var defaultWeekStartsOn = localeWeekStartsOn == null ? 0 : toInteger(localeWeekStartsOn);
  var weekStartsOn = options.weekStartsOn == null ? defaultWeekStartsOn : toInteger(options.weekStartsOn);

  // Test if weekStartsOn is between 0 and 6 _and_ is not NaN
  if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {
    throw new RangeError('weekStartsOn must be between 0 and 6 inclusively')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  var day = toInteger(dirtyDay);

  var currentDay = date.getUTCDay();

  var remainder = day % 7;
  var dayIndex = (remainder + 7) % 7;

  var diff = (dayIndex < weekStartsOn ? 7 : 0) + day - currentDay;

  date.setUTCDate(date.getUTCDate() + diff);
  return date
}

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function setUTCWeek (dirtyDate, dirtyWeek, dirtyOptions) {
  if (arguments.length < 2) {
    throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  var week = toInteger(dirtyWeek);
  var diff = getUTCWeek(date, dirtyOptions) - week;
  date.setUTCDate(date.getUTCDate() - diff * 7);
  return date
}

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function setUTCISODay (dirtyDate, dirtyDay, dirtyOptions) {
  if (arguments.length < 2) {
    throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
  }

  var day = toInteger(dirtyDay);

  if (day % 7 === 0) {
    day = day - 7;
  }

  var weekStartsOn = 1;
  var date = toDate(dirtyDate, dirtyOptions);
  var currentDay = date.getUTCDay();

  var remainder = day % 7;
  var dayIndex = (remainder + 7) % 7;

  var diff = (dayIndex < weekStartsOn ? 7 : 0) + day - currentDay;

  date.setUTCDate(date.getUTCDate() + diff);
  return date
}

// This function will be a part of public API when UTC function will be implemented.
// See issue: https://github.com/date-fns/date-fns/issues/376
function setUTCISOWeek (dirtyDate, dirtyISOWeek, dirtyOptions) {
  if (arguments.length < 2) {
    throw new TypeError('2 arguments required, but only ' + arguments.length + ' present')
  }

  var date = toDate(dirtyDate, dirtyOptions);
  var isoWeek = toInteger(dirtyISOWeek);
  var diff = getUTCISOWeek(date, dirtyOptions) - isoWeek;
  date.setUTCDate(date.getUTCDate() - diff * 7);
  return date
}

var MILLISECONDS_IN_HOUR$1 = 3600000;
var MILLISECONDS_IN_MINUTE$2 = 60000;
var MILLISECONDS_IN_SECOND = 1000;

var numericPatterns = {
  month: /^(1[0-2]|0?\d)/, // 0 to 12
  date: /^(3[0-1]|[0-2]?\d)/, // 0 to 31
  dayOfYear: /^(36[0-6]|3[0-5]\d|[0-2]?\d?\d)/, // 0 to 366
  week: /^(5[0-3]|[0-4]?\d)/, // 0 to 53
  hour23h: /^(2[0-3]|[0-1]?\d)/, // 0 to 23
  hour24h: /^(2[0-4]|[0-1]?\d)/, // 0 to 24
  hour11h: /^(1[0-1]|0?\d)/, // 0 to 11
  hour12h: /^(1[0-2]|0?\d)/, // 0 to 12
  minute: /^[0-5]?\d/, // 0 to 59
  second: /^[0-5]?\d/, // 0 to 59

  singleDigit: /^\d/, // 0 to 9
  twoDigits: /^\d{1,2}/, // 0 to 99
  threeDigits: /^\d{1,3}/, // 0 to 999
  fourDigits: /^\d{1,4}/, // 0 to 9999

  anyDigitsSigned: /^-?\d+/,
  singleDigitSigned: /^-?\d/, // 0 to 9, -0 to -9
  twoDigitsSigned: /^-?\d{1,2}/, // 0 to 99, -0 to -99
  threeDigitsSigned: /^-?\d{1,3}/, // 0 to 999, -0 to -999
  fourDigitsSigned: /^-?\d{1,4}/ // 0 to 9999, -0 to -9999
};

var timezonePatterns = {
  basicOptionalMinutes: /^([+-])(\d{2})(\d{2})?|Z/,
  basic: /^([+-])(\d{2})(\d{2})|Z/,
  basicOptionalSeconds: /^([+-])(\d{2})(\d{2})((\d{2}))?|Z/,
  extended: /^([+-])(\d{2}):(\d{2})|Z/,
  extendedOptionalSeconds: /^([+-])(\d{2}):(\d{2})(:(\d{2}))?|Z/
};

function parseNumericPattern (pattern, string, valueCallback) {
  var matchResult = string.match(pattern);

  if (!matchResult) {
    return null
  }

  var value = parseInt(matchResult[0], 10);

  return {
    value: valueCallback ? valueCallback(value) : value,
    rest: string.slice(matchResult[0].length)
  }
}

function parseTimezonePattern (pattern, string) {
  var matchResult = string.match(pattern);

  if (!matchResult) {
    return null
  }

  // Input is 'Z'
  if (matchResult[0] === 'Z') {
    return {
      value: 0,
      rest: string.slice(1)
    }
  }

  var sign = matchResult[1] === '+' ? 1 : -1;
  var hours = matchResult[2] ? parseInt(matchResult[2], 10) : 0;
  var minutes = matchResult[3] ? parseInt(matchResult[3], 10) : 0;
  var seconds = matchResult[5] ? parseInt(matchResult[5], 10) : 0;

  return {
    value: sign * (
      hours * MILLISECONDS_IN_HOUR$1 +
        minutes * MILLISECONDS_IN_MINUTE$2 +
        seconds * MILLISECONDS_IN_SECOND
    ),
    rest: string.slice(matchResult[0].length)
  }
}

function parseAnyDigitsSigned (string, valueCallback) {
  return parseNumericPattern(numericPatterns.anyDigitsSigned, string, valueCallback)
}

function parseNDigits (n, string, valueCallback) {
  switch (n) {
    case 1:
      return parseNumericPattern(numericPatterns.singleDigit, string, valueCallback)
    case 2:
      return parseNumericPattern(numericPatterns.twoDigits, string, valueCallback)
    case 3:
      return parseNumericPattern(numericPatterns.threeDigits, string, valueCallback)
    case 4:
      return parseNumericPattern(numericPatterns.fourDigits, string, valueCallback)
    default:
      return parseNumericPattern(new RegExp('^\\d{1,' + n + '}'), string, valueCallback)
  }
}

function parseNDigitsSigned (n, string, valueCallback) {
  switch (n) {
    case 1:
      return parseNumericPattern(numericPatterns.singleDigitSigned, string, valueCallback)
    case 2:
      return parseNumericPattern(numericPatterns.twoDigitsSigned, string, valueCallback)
    case 3:
      return parseNumericPattern(numericPatterns.threeDigitsSigned, string, valueCallback)
    case 4:
      return parseNumericPattern(numericPatterns.fourDigitsSigned, string, valueCallback)
    default:
      return parseNumericPattern(new RegExp('^-?\\d{1,' + n + '}'), string, valueCallback)
  }
}

function dayPeriodEnumToHours (enumValue) {
  switch (enumValue) {
    case 'morning':
      return 4
    case 'evening':
      return 17
    case 'pm':
    case 'noon':
    case 'afternoon':
      return 12
    case 'am':
    case 'midnight':
    case 'night':
    default:
      return 0
  }
}

function normalizeTwoDigitYear (twoDigitYear, currentYear) {
  var isCommonEra = currentYear > 0;
  // Absolute number of the current year:
  // 1 -> 1 AC
  // 0 -> 1 BC
  // -1 -> 2 BC
  var absCurrentYear = isCommonEra ? currentYear : 1 - currentYear;

  var result;
  if (absCurrentYear <= 50) {
    result = twoDigitYear || 100;
  } else {
    var rangeEnd = absCurrentYear + 50;
    var rangeEndCentury = Math.floor(rangeEnd / 100) * 100;
    var isPreviousCentury = twoDigitYear >= rangeEnd % 100;
    result = twoDigitYear + rangeEndCentury - (isPreviousCentury ? 100 : 0);
  }

  return isCommonEra ? result : 1 - result
}

var DAYS_IN_MONTH$1 = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
var DAYS_IN_MONTH_LEAP_YEAR$1 = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

// User for validation
function isLeapYearIndex$1 (year) {
  return year % 400 === 0 || (year % 4 === 0 && year % 100 !== 0)
}

/*
 * |     | Unit                           |     | Unit                           |
 * |-----|--------------------------------|-----|--------------------------------|
 * |  a  | AM, PM                         |  A* | Milliseconds in day            |
 * |  b  | AM, PM, noon, midnight         |  B  | Flexible day period            |
 * |  c  | Stand-alone local day of week  |  C* | Localized hour w/ day period   |
 * |  d  | Day of month                   |  D  | Day of year                    |
 * |  e  | Local day of week              |  E  | Day of week                    |
 * |  f  |                                |  F* | Day of week in month           |
 * |  g* | Modified Julian day            |  G  | Era                            |
 * |  h  | Hour [1-12]                    |  H  | Hour [0-23]                    |
 * |  i! | ISO day of week                |  I! | ISO week of year               |
 * |  j* | Localized hour w/ day period   |  J* | Localized hour w/o day period  |
 * |  k  | Hour [1-24]                    |  K  | Hour [0-11]                    |
 * |  l* | (deprecated)                   |  L  | Stand-alone month              |
 * |  m  | Minute                         |  M  | Month                          |
 * |  n  |                                |  N  |                                |
 * |  o! | Ordinal number modifier        |  O* | Timezone (GMT)                 |
 * |  p  |                                |  P  |                                |
 * |  q  | Stand-alone quarter            |  Q  | Quarter                        |
 * |  r* | Related Gregorian year         |  R! | ISO week-numbering year        |
 * |  s  | Second                         |  S  | Fraction of second             |
 * |  t! | Seconds timestamp              |  T! | Milliseconds timestamp         |
 * |  u  | Extended year                  |  U* | Cyclic year                    |
 * |  v* | Timezone (generic non-locat.)  |  V* | Timezone (location)            |
 * |  w  | Local week of year             |  W* | Week of month                  |
 * |  x  | Timezone (ISO-8601 w/o Z)      |  X  | Timezone (ISO-8601)            |
 * |  y  | Year (abs)                     |  Y  | Local week-numbering year      |
 * |  z* | Timezone (specific non-locat.) |  Z* | Timezone (aliases)             |
 *
 * Letters marked by * are not implemented but reserved by Unicode standard.
 *
 * Letters marked by ! are non-standard, but implemented by date-fns:
 * - `o` modifies the previous token to turn it into an ordinal (see `parse` docs)
 * - `i` is ISO day of week. For `i` and `ii` is returns numeric ISO week days,
 *   i.e. 7 for Sunday, 1 for Monday, etc.
 * - `I` is ISO week of year, as opposed to `w` which is local week of year.
 * - `R` is ISO week-numbering year, as opposed to `Y` which is local week-numbering year.
 *   `R` is supposed to be used in conjunction with `I` and `i`
 *   for universal ISO week-numbering date, whereas
 *   `Y` is supposed to be used in conjunction with `w` and `e`
 *   for week-numbering date specific to the locale.
 */
var parsers = {
  // Era
  G: {
    priority: 140,
    parse: function (string, token, match, options) {
      switch (token) {
        // AD, BC
        case 'G':
        case 'GG':
        case 'GGG':
          return match.era(string, {width: 'abbreviated'}) ||
            match.era(string, {width: 'narrow'})
        // A, B
        case 'GGGGG':
          return match.era(string, {width: 'narrow'})
        // Anno Domini, Before Christ
        case 'GGGG':
        default:
          return match.era(string, {width: 'wide'}) ||
            match.era(string, {width: 'abbreviated'}) ||
            match.era(string, {width: 'narrow'})
      }
    },
    set: function (date, value, options) {
      // Sets year 10 BC if BC, or 10 AC if AC
      date.setUTCFullYear(value === 1 ? 10 : -9, 0, 1);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Year
  y: {
    // From http://www.unicode.org/reports/tr35/tr35-31/tr35-dates.html#Date_Format_Patterns
    // | Year     |     y | yy |   yyy |  yyyy | yyyyy |
    // |----------|-------|----|-------|-------|-------|
    // | AD 1     |     1 | 01 |   001 |  0001 | 00001 |
    // | AD 12    |    12 | 12 |   012 |  0012 | 00012 |
    // | AD 123   |   123 | 23 |   123 |  0123 | 00123 |
    // | AD 1234  |  1234 | 34 |  1234 |  1234 | 01234 |
    // | AD 12345 | 12345 | 45 | 12345 | 12345 | 12345 |

    priority: 130,
    parse: function (string, token, match, options) {
      var valueCallback = function (year) {
        return {
          year: year,
          isTwoDigitYear: token === 'yy'
        }
      };

      switch (token) {
        case 'y':
          return parseNDigits(4, string, valueCallback)
        case 'yo':
          return match.ordinalNumber(string, {unit: 'year', valueCallback: valueCallback})
        default:
          return parseNDigits(token.length, string, valueCallback)
      }
    },
    validate: function (date, value, options) {
      return value.isTwoDigitYear || value.year > 0
    },
    set: function (date, value, options) {
      var currentYear = getUTCWeekYear(date, options);

      if (value.isTwoDigitYear) {
        var normalizedTwoDigitYear = normalizeTwoDigitYear(value.year, currentYear);
        date.setUTCFullYear(normalizedTwoDigitYear, 0, 1);
        date.setUTCHours(0, 0, 0, 0);
        return date
      }

      var year = currentYear > 0 ? value.year : 1 - value.year;
      date.setUTCFullYear(year, 0, 1);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Local week-numbering year
  Y: {
    priority: 130,
    parse: function (string, token, match, options) {
      var valueCallback = function (year) {
        return {
          year: year,
          isTwoDigitYear: token === 'YY'
        }
      };

      switch (token) {
        case 'Y':
          return parseNDigits(4, string, valueCallback)
        case 'Yo':
          return match.ordinalNumber(string, {unit: 'year', valueCallback: valueCallback})
        default:
          return parseNDigits(token.length, string, valueCallback)
      }
    },
    validate: function (date, value, options) {
      return value.isTwoDigitYear || value.year > 0
    },
    set: function (date, value, options) {
      var currentYear = date.getUTCFullYear();

      if (value.isTwoDigitYear) {
        var normalizedTwoDigitYear = normalizeTwoDigitYear(value.year, currentYear);
        date.setUTCFullYear(normalizedTwoDigitYear, 0, options.firstWeekContainsDate);
        date.setUTCHours(0, 0, 0, 0);
        return startOfUTCWeek(date, options)
      }

      var year = currentYear > 0 ? value.year : 1 - value.year;
      date.setUTCFullYear(year, 0, options.firstWeekContainsDate);
      date.setUTCHours(0, 0, 0, 0);
      return startOfUTCWeek(date, options)
    }
  },

  // ISO week-numbering year
  R: {
    priority: 130,
    parse: function (string, token, match, options) {
      if (token === 'R') {
        return parseNDigitsSigned(4, string)
      }

      return parseNDigitsSigned(token.length, string)
    },
    set: function (date, value, options) {
      var firstWeekOfYear = new Date(0);
      firstWeekOfYear.setUTCFullYear(value, 0, 4);
      firstWeekOfYear.setUTCHours(0, 0, 0, 0);
      return startOfUTCISOWeek(firstWeekOfYear)
    }
  },

  // Extended year
  u: {
    priority: 130,
    parse: function (string, token, match, options) {
      if (token === 'u') {
        return parseNDigitsSigned(4, string)
      }

      return parseNDigitsSigned(token.length, string)
    },
    set: function (date, value, options) {
      date.setUTCFullYear(value, 0, 1);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Quarter
  Q: {
    priority: 120,
    parse: function (string, token, match, options) {
      switch (token) {
        // 1, 2, 3, 4
        case 'Q':
        case 'QQ': // 01, 02, 03, 04
          return parseNDigits(token.length, string)
        // 1st, 2nd, 3rd, 4th
        case 'Qo':
          return match.ordinalNumber(string, {unit: 'quarter'})
        // Q1, Q2, Q3, Q4
        case 'QQQ':
          return match.quarter(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.quarter(string, {width: 'narrow', context: 'formatting'})
        // 1, 2, 3, 4 (narrow quarter; could be not numerical)
        case 'QQQQQ':
          return match.quarter(string, {width: 'narrow', context: 'formatting'})
        // 1st quarter, 2nd quarter, ...
        case 'QQQQ':
        default:
          return match.quarter(string, {width: 'wide', context: 'formatting'}) ||
            match.quarter(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.quarter(string, {width: 'narrow', context: 'formatting'})
      }
    },
    validate: function (date, value, options) {
      return value >= 1 && value <= 4
    },
    set: function (date, value, options) {
      date.setUTCMonth((value - 1) * 3, 1);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Stand-alone quarter
  q: {
    priority: 120,
    parse: function (string, token, match, options) {
      switch (token) {
        // 1, 2, 3, 4
        case 'q':
        case 'qq': // 01, 02, 03, 04
          return parseNDigits(token.length, string)
        // 1st, 2nd, 3rd, 4th
        case 'qo':
          return match.ordinalNumber(string, {unit: 'quarter'})
        // Q1, Q2, Q3, Q4
        case 'qqq':
          return match.quarter(string, {width: 'abbreviated', context: 'standalone'}) ||
            match.quarter(string, {width: 'narrow', context: 'standalone'})
        // 1, 2, 3, 4 (narrow quarter; could be not numerical)
        case 'qqqqq':
          return match.quarter(string, {width: 'narrow', context: 'standalone'})
        // 1st quarter, 2nd quarter, ...
        case 'qqqq':
        default:
          return match.quarter(string, {width: 'wide', context: 'standalone'}) ||
            match.quarter(string, {width: 'abbreviated', context: 'standalone'}) ||
            match.quarter(string, {width: 'narrow', context: 'standalone'})
      }
    },
    validate: function (date, value, options) {
      return value >= 1 && value <= 4
    },
    set: function (date, value, options) {
      date.setUTCMonth((value - 1) * 3, 1);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Month
  M: {
    priority: 110,
    parse: function (string, token, match, options) {
      var valueCallback = function (value) {
        return value - 1
      };

      switch (token) {
        // 1, 2, ..., 12
        case 'M':
          return parseNumericPattern(numericPatterns.month, string, valueCallback)
        // 01, 02, ..., 12
        case 'MM':
          return parseNDigits(2, string, valueCallback)
        // 1st, 2nd, ..., 12th
        case 'Mo':
          return match.ordinalNumber(string, {unit: 'month', valueCallback: valueCallback})
        // Jan, Feb, ..., Dec
        case 'MMM':
          return match.month(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.month(string, {width: 'narrow', context: 'formatting'})
        // J, F, ..., D
        case 'MMMMM':
          return match.month(string, {width: 'narrow', context: 'formatting'})
        // January, February, ..., December
        case 'MMMM':
        default:
          return match.month(string, {width: 'wide', context: 'formatting'}) ||
            match.month(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.month(string, {width: 'narrow', context: 'formatting'})
      }
    },
    validate: function (date, value, options) {
      return value >= 0 && value <= 11
    },
    set: function (date, value, options) {
      date.setUTCMonth(value, 1);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Stand-alone month
  L: {
    priority: 110,
    parse: function (string, token, match, options) {
      var valueCallback = function (value) {
        return value - 1
      };

      switch (token) {
        // 1, 2, ..., 12
        case 'L':
          return parseNumericPattern(numericPatterns.month, string, valueCallback)
        // 01, 02, ..., 12
        case 'LL':
          return parseNDigits(2, string, valueCallback)
        // 1st, 2nd, ..., 12th
        case 'Lo':
          return match.ordinalNumber(string, {unit: 'month', valueCallback: valueCallback})
        // Jan, Feb, ..., Dec
        case 'LLL':
          return match.month(string, {width: 'abbreviated', context: 'standalone'}) ||
            match.month(string, {width: 'narrow', context: 'standalone'})
        // J, F, ..., D
        case 'LLLLL':
          return match.month(string, {width: 'narrow', context: 'standalone'})
        // January, February, ..., December
        case 'LLLL':
        default:
          return match.month(string, {width: 'wide', context: 'standalone'}) ||
            match.month(string, {width: 'abbreviated', context: 'standalone'}) ||
            match.month(string, {width: 'narrow', context: 'standalone'})
      }
    },
    validate: function (date, value, options) {
      return value >= 0 && value <= 11
    },
    set: function (date, value, options) {
      date.setUTCMonth(value, 1);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Local week of year
  w: {
    priority: 100,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'w':
          return parseNumericPattern(numericPatterns.week, string)
        case 'wo':
          return match.ordinalNumber(string, {unit: 'week'})
        default:
          return parseNDigits(token.length, string)
      }
    },
    validate: function (date, value, options) {
      return value >= 1 && value <= 53
    },
    set: function (date, value, options) {
      return startOfUTCWeek(setUTCWeek(date, value, options), options)
    }
  },

  // ISO week of year
  I: {
    priority: 100,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'I':
          return parseNumericPattern(numericPatterns.week, string)
        case 'Io':
          return match.ordinalNumber(string, {unit: 'week'})
        default:
          return parseNDigits(token.length, string)
      }
    },
    validate: function (date, value, options) {
      return value >= 1 && value <= 53
    },
    set: function (date, value, options) {
      return startOfUTCISOWeek(setUTCISOWeek(date, value, options), options)
    }
  },

  // Day of the month
  d: {
    priority: 90,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'd':
          return parseNumericPattern(numericPatterns.date, string)
        case 'do':
          return match.ordinalNumber(string, {unit: 'date'})
        default:
          return parseNDigits(token.length, string)
      }
    },
    validate: function (date, value, options) {
      var year = date.getUTCFullYear();
      var isLeapYear = isLeapYearIndex$1(year);
      var month = date.getUTCMonth();
      if (isLeapYear) {
        return value >= 1 && value <= DAYS_IN_MONTH_LEAP_YEAR$1[month]
      } else {
        return value >= 1 && value <= DAYS_IN_MONTH$1[month]
      }
    },
    set: function (date, value, options) {
      date.setUTCDate(value);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Day of year
  D: {
    priority: 90,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'D':
        case 'DD':
          return parseNumericPattern(numericPatterns.dayOfYear, string)
        case 'Do':
          return match.ordinalNumber(string, {unit: 'date'})
        default:
          return parseNDigits(token.length, string)
      }
    },
    validate: function (date, value, options) {
      var year = date.getUTCFullYear();
      var isLeapYear = isLeapYearIndex$1(year);
      if (isLeapYear) {
        return value >= 1 && value <= 366
      } else {
        return value >= 1 && value <= 365
      }
    },
    set: function (date, value, options) {
      date.setUTCMonth(0, value);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Day of week
  E: {
    priority: 90,
    parse: function (string, token, match, options) {
      switch (token) {
        // Tue
        case 'E':
        case 'EE':
        case 'EEE':
          return match.day(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.day(string, {width: 'short', context: 'formatting'}) ||
            match.day(string, {width: 'narrow', context: 'formatting'})
        // T
        case 'EEEEE':
          return match.day(string, {width: 'narrow', context: 'formatting'})
        // Tu
        case 'EEEEEE':
          return match.day(string, {width: 'short', context: 'formatting'}) ||
          match.day(string, {width: 'narrow', context: 'formatting'})
        // Tuesday
        case 'EEEE':
        default:
          return match.day(string, {width: 'wide', context: 'formatting'}) ||
            match.day(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.day(string, {width: 'short', context: 'formatting'}) ||
            match.day(string, {width: 'narrow', context: 'formatting'})
      }
    },
    validate: function (date, value, options) {
      return value >= 0 && value <= 6
    },
    set: function (date, value, options) {
      date = setUTCDay(date, value, options);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Local day of week
  e: {
    priority: 90,
    parse: function (string, token, match, options) {
      var valueCallback = function (value) {
        var wholeWeekDays = Math.floor((value - 1) / 7) * 7;
        return (value + options.weekStartsOn + 6) % 7 + wholeWeekDays
      };

      switch (token) {
        // 3
        case 'e':
        case 'ee': // 03
          return parseNDigits(token.length, string, valueCallback)
        // 3rd
        case 'eo':
          return match.ordinalNumber(string, {unit: 'day', valueCallback: valueCallback})
        // Tue
        case 'eee':
          return match.day(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.day(string, {width: 'short', context: 'formatting'}) ||
            match.day(string, {width: 'narrow', context: 'formatting'})
        // T
        case 'eeeee':
          return match.day(string, {width: 'narrow', context: 'formatting'})
        // Tu
        case 'eeeeee':
          return match.day(string, {width: 'short', context: 'formatting'}) ||
          match.day(string, {width: 'narrow', context: 'formatting'})
        // Tuesday
        case 'eeee':
        default:
          return match.day(string, {width: 'wide', context: 'formatting'}) ||
            match.day(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.day(string, {width: 'short', context: 'formatting'}) ||
            match.day(string, {width: 'narrow', context: 'formatting'})
      }
    },
    validate: function (date, value, options) {
      return value >= 0 && value <= 6
    },
    set: function (date, value, options) {
      date = setUTCDay(date, value, options);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // Stand-alone local day of week
  c: {
    priority: 90,
    parse: function (string, token, match, options) {
      var valueCallback = function (value) {
        var wholeWeekDays = Math.floor((value - 1) / 7) * 7;
        return (value + options.weekStartsOn + 6) % 7 + wholeWeekDays
      };

      switch (token) {
        // 3
        case 'c':
        case 'cc': // 03
          return parseNDigits(token.length, string, valueCallback)
        // 3rd
        case 'co':
          return match.ordinalNumber(string, {unit: 'day', valueCallback: valueCallback})
        // Tue
        case 'ccc':
          return match.day(string, {width: 'abbreviated', context: 'standalone'}) ||
            match.day(string, {width: 'short', context: 'standalone'}) ||
            match.day(string, {width: 'narrow', context: 'standalone'})
        // T
        case 'ccccc':
          return match.day(string, {width: 'narrow', context: 'standalone'})
        // Tu
        case 'cccccc':
          return match.day(string, {width: 'short', context: 'standalone'}) ||
          match.day(string, {width: 'narrow', context: 'standalone'})
        // Tuesday
        case 'cccc':
        default:
          return match.day(string, {width: 'wide', context: 'standalone'}) ||
            match.day(string, {width: 'abbreviated', context: 'standalone'}) ||
            match.day(string, {width: 'short', context: 'standalone'}) ||
            match.day(string, {width: 'narrow', context: 'standalone'})
      }
    },
    validate: function (date, value, options) {
      return value >= 0 && value <= 6
    },
    set: function (date, value, options) {
      date = setUTCDay(date, value, options);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // ISO day of week
  i: {
    priority: 90,
    parse: function (string, token, match, options) {
      var valueCallback = function (value) {
        if (value === 0) {
          return 7
        }
        return value
      };

      switch (token) {
        // 2
        case 'i':
        case 'ii': // 02
          return parseNDigits(token.length, string)
        // 2nd
        case 'io':
          return match.ordinalNumber(string, {unit: 'day'})
        // Tue
        case 'iii':
          return match.day(string, {width: 'abbreviated', context: 'formatting', valueCallback: valueCallback}) ||
            match.day(string, {width: 'short', context: 'formatting', valueCallback: valueCallback}) ||
            match.day(string, {width: 'narrow', context: 'formatting', valueCallback: valueCallback})
        // T
        case 'iiiii':
          return match.day(string, {width: 'narrow', context: 'formatting', valueCallback: valueCallback})
        // Tu
        case 'iiiiii':
          return match.day(string, {width: 'short', context: 'formatting', valueCallback: valueCallback}) ||
          match.day(string, {width: 'narrow', context: 'formatting', valueCallback: valueCallback})
        // Tuesday
        case 'iiii':
        default:
          return match.day(string, {width: 'wide', context: 'formatting', valueCallback: valueCallback}) ||
            match.day(string, {width: 'abbreviated', context: 'formatting', valueCallback: valueCallback}) ||
            match.day(string, {width: 'short', context: 'formatting', valueCallback: valueCallback}) ||
            match.day(string, {width: 'narrow', context: 'formatting', valueCallback: valueCallback})
      }
    },
    validate: function (date, value, options) {
      return value >= 1 && value <= 7
    },
    set: function (date, value, options) {
      date = setUTCISODay(date, value, options);
      date.setUTCHours(0, 0, 0, 0);
      return date
    }
  },

  // AM or PM
  a: {
    priority: 80,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'a':
        case 'aa':
        case 'aaa':
          return match.dayPeriod(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.dayPeriod(string, {width: 'narrow', context: 'formatting'})
        case 'aaaaa':
          return match.dayPeriod(string, {width: 'narrow', context: 'formatting'})
        case 'aaaa':
        default:
          return match.dayPeriod(string, {width: 'wide', context: 'formatting'}) ||
            match.dayPeriod(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.dayPeriod(string, {width: 'narrow', context: 'formatting'})
      }
    },
    set: function (date, value, options) {
      date.setUTCHours(dayPeriodEnumToHours(value), 0, 0, 0);
      return date
    }
  },

  // AM, PM, midnight
  b: {
    priority: 80,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'b':
        case 'bb':
        case 'bbb':
          return match.dayPeriod(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.dayPeriod(string, {width: 'narrow', context: 'formatting'})
        case 'bbbbb':
          return match.dayPeriod(string, {width: 'narrow', context: 'formatting'})
        case 'bbbb':
        default:
          return match.dayPeriod(string, {width: 'wide', context: 'formatting'}) ||
            match.dayPeriod(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.dayPeriod(string, {width: 'narrow', context: 'formatting'})
      }
    },
    set: function (date, value, options) {
      date.setUTCHours(dayPeriodEnumToHours(value), 0, 0, 0);
      return date
    }
  },

  // in the morning, in the afternoon, in the evening, at night
  B: {
    priority: 80,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'B':
        case 'BB':
        case 'BBB':
          return match.dayPeriod(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.dayPeriod(string, {width: 'narrow', context: 'formatting'})
        case 'BBBBB':
          return match.dayPeriod(string, {width: 'narrow', context: 'formatting'})
        case 'BBBB':
        default:
          return match.dayPeriod(string, {width: 'wide', context: 'formatting'}) ||
            match.dayPeriod(string, {width: 'abbreviated', context: 'formatting'}) ||
            match.dayPeriod(string, {width: 'narrow', context: 'formatting'})
      }
    },
    set: function (date, value, options) {
      date.setUTCHours(dayPeriodEnumToHours(value), 0, 0, 0);
      return date
    }
  },

  // Hour [1-12]
  h: {
    priority: 70,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'h':
          return parseNumericPattern(numericPatterns.hour12h, string)
        case 'ho':
          return match.ordinalNumber(string, {unit: 'hour'})
        default:
          return parseNDigits(token.length, string)
      }
    },
    validate: function (date, value, options) {
      return value >= 1 && value <= 12
    },
    set: function (date, value, options) {
      var isPM = date.getUTCHours() >= 12;
      if (isPM && value < 12) {
        date.setUTCHours(value + 12, 0, 0, 0);
      } else if (!isPM && value === 12) {
        date.setUTCHours(0, 0, 0, 0);
      } else {
        date.setUTCHours(value, 0, 0, 0);
      }
      return date
    }
  },

  // Hour [0-23]
  H: {
    priority: 70,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'H':
          return parseNumericPattern(numericPatterns.hour23h, string)
        case 'Ho':
          return match.ordinalNumber(string, {unit: 'hour'})
        default:
          return parseNDigits(token.length, string)
      }
    },
    validate: function (date, value, options) {
      return value >= 0 && value <= 23
    },
    set: function (date, value, options) {
      date.setUTCHours(value, 0, 0, 0);
      return date
    }
  },

  // Hour [0-11]
  K: {
    priority: 70,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'K':
          return parseNumericPattern(numericPatterns.hour11h, string)
        case 'Ko':
          return match.ordinalNumber(string, {unit: 'hour'})
        default:
          return parseNDigits(token.length, string)
      }
    },
    validate: function (date, value, options) {
      return value >= 0 && value <= 11
    },
    set: function (date, value, options) {
      var isPM = date.getUTCHours() >= 12;
      if (isPM && value < 12) {
        date.setUTCHours(value + 12, 0, 0, 0);
      } else {
        date.setUTCHours(value, 0, 0, 0);
      }
      return date
    }
  },

  // Hour [1-24]
  k: {
    priority: 70,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'k':
          return parseNumericPattern(numericPatterns.hour24h, string)
        case 'ko':
          return match.ordinalNumber(string, {unit: 'hour'})
        default:
          return parseNDigits(token.length, string)
      }
    },
    validate: function (date, value, options) {
      return value >= 1 && value <= 24
    },
    set: function (date, value, options) {
      var hours = value <= 24 ? value % 24 : value;
      date.setUTCHours(hours, 0, 0, 0);
      return date
    }
  },

  // Minute
  m: {
    priority: 60,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'm':
          return parseNumericPattern(numericPatterns.minute, string)
        case 'mo':
          return match.ordinalNumber(string, {unit: 'minute'})
        default:
          return parseNDigits(token.length, string)
      }
    },
    validate: function (date, value, options) {
      return value >= 0 && value <= 59
    },
    set: function (date, value, options) {
      date.setUTCMinutes(value, 0, 0);
      return date
    }
  },

  // Second
  s: {
    priority: 50,
    parse: function (string, token, match, options) {
      switch (token) {
        case 's':
          return parseNumericPattern(numericPatterns.second, string)
        case 'so':
          return match.ordinalNumber(string, {unit: 'second'})
        default:
          return parseNDigits(token.length, string)
      }
    },
    validate: function (date, value, options) {
      return value >= 0 && value <= 59
    },
    set: function (date, value, options) {
      date.setUTCSeconds(value, 0);
      return date
    }
  },

  // Fraction of second
  S: {
    priority: 40,
    parse: function (string, token, match, options) {
      var valueCallback = function (value) {
        return Math.floor(value * Math.pow(10, -token.length + 3))
      };
      return parseNDigits(token.length, string, valueCallback)
    },
    set: function (date, value, options) {
      date.setUTCMilliseconds(value);
      return date
    }
  },

  // Timezone (ISO-8601. +00:00 is `'Z'`)
  X: {
    priority: 20,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'X':
          return parseTimezonePattern(timezonePatterns.basicOptionalMinutes, string)
        case 'XX':
          return parseTimezonePattern(timezonePatterns.basic, string)
        case 'XXXX':
          return parseTimezonePattern(timezonePatterns.basicOptionalSeconds, string)
        case 'XXXXX':
          return parseTimezonePattern(timezonePatterns.extendedOptionalSeconds, string)
        case 'XXX':
        default:
          return parseTimezonePattern(timezonePatterns.extended, string)
      }
    },
    set: function (date, value, options) {
      return new Date(date.getTime() - value)
    }
  },

  // Timezone (ISO-8601)
  x: {
    priority: 20,
    parse: function (string, token, match, options) {
      switch (token) {
        case 'x':
          return parseTimezonePattern(timezonePatterns.basicOptionalMinutes, string)
        case 'xx':
          return parseTimezonePattern(timezonePatterns.basic, string)
        case 'xxxx':
          return parseTimezonePattern(timezonePatterns.basicOptionalSeconds, string)
        case 'xxxxx':
          return parseTimezonePattern(timezonePatterns.extendedOptionalSeconds, string)
        case 'xxx':
        default:
          return parseTimezonePattern(timezonePatterns.extended, string)
      }
    },
    set: function (date, value, options) {
      return new Date(date.getTime() - value)
    }
  },

  // Seconds timestamp
  t: {
    priority: 10,
    parse: function (string, token, match, options) {
      return parseAnyDigitsSigned(string)
    },
    set: function (date, value, options) {
      return new Date(value * 1000)
    }
  },

  // Milliseconds timestamp
  T: {
    priority: 10,
    parse: function (string, token, match, options) {
      return parseAnyDigitsSigned(string)
    },
    set: function (date, value, options) {
      return new Date(value)
    }
  }
};

var TIMEZONE_UNIT_PRIORITY = 20;

// This RegExp consists of three parts separated by `|`:
// - [yYQqMLwIdDecihHKkms]o matches any available ordinal number token
//   (one of the certain letters followed by `o`)
// - (\w)\1* matches any sequences of the same letter
// - '' matches two quote characters in a row
// - '(''|[^'])+('|$) matches anything surrounded by two quote characters ('),
//   except a single quote symbol, which ends the sequence.
//   Two quote characters do not end the sequence.
//   If there is no matching single quote
//   then the sequence will continue until the end of the string.
// - . matches any single character unmatched by previous parts of the RegExps
var formattingTokensRegExp$1 = /[yYQqMLwIdDecihHKkms]o|(\w)\1*|''|'(''|[^'])+('|$)|./g;

var escapedStringRegExp$1 = /^'(.*?)'?$/;
var doubleQuoteRegExp$1 = /''/g;

var notWhitespaceRegExp = /\S/;

/**
 * @name parse
 * @category Common Helpers
 * @summary Parse the date.
 *
 * @description
 * Return the date parsed from string using the given format string.
 *
 * > ⚠️ Please note that the `format` tokens differ from Moment.js and other libraries.
 * > See: https://git.io/fxCyr
 *
 * The characters in the format string wrapped between two single quotes characters (') are escaped.
 * Two single quotes in a row, whether inside or outside a quoted sequence, represent a 'real' single quote.
 *
 * Format of the format string is based on Unicode Technical Standard #35:
 * https://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
 * with a few additions (see note 5 below the table).
 *
 * Accepted format string patterns:
 * | Unit                            |Prior| Pattern | Result examples                   | Notes |
 * |---------------------------------|-----|---------|-----------------------------------|-------|
 * | Era                             | 140 | G..GGG  | AD, BC                            |       |
 * |                                 |     | GGGG    | Anno Domini, Before Christ        | 2     |
 * |                                 |     | GGGGG   | A, B                              |       |
 * | Calendar year                   | 130 | y       | 44, 1, 1900, 2017, 9999           | 4     |
 * |                                 |     | yo      | 44th, 1st, 1900th, 9999999th      | 4,5   |
 * |                                 |     | yy      | 44, 01, 00, 17                    | 4     |
 * |                                 |     | yyy     | 044, 001, 123, 999                | 4     |
 * |                                 |     | yyyy    | 0044, 0001, 1900, 2017            | 4     |
 * |                                 |     | yyyyy   | ...                               | 2,4   |
 * | Local week-numbering year       | 130 | Y       | 44, 1, 1900, 2017, 9000           | 4     |
 * |                                 |     | Yo      | 44th, 1st, 1900th, 9999999th      | 4,5   |
 * |                                 |     | YY      | 44, 01, 00, 17                    | 4,6   |
 * |                                 |     | YYY     | 044, 001, 123, 999                | 4     |
 * |                                 |     | YYYY    | 0044, 0001, 1900, 2017            | 4,6   |
 * |                                 |     | YYYYY   | ...                               | 2,4   |
 * | ISO week-numbering year         | 130 | R       | -43, 1, 1900, 2017, 9999, -9999   | 4,5   |
 * |                                 |     | RR      | -43, 01, 00, 17                   | 4,5   |
 * |                                 |     | RRR     | -043, 001, 123, 999, -999         | 4,5   |
 * |                                 |     | RRRR    | -0043, 0001, 2017, 9999, -9999    | 4,5   |
 * |                                 |     | RRRRR   | ...                               | 2,4,5 |
 * | Extended year                   | 130 | u       | -43, 1, 1900, 2017, 9999, -999    | 4     |
 * |                                 |     | uu      | -43, 01, 99, -99                  | 4     |
 * |                                 |     | uuu     | -043, 001, 123, 999, -999         | 4     |
 * |                                 |     | uuuu    | -0043, 0001, 2017, 9999, -9999    | 4     |
 * |                                 |     | uuuuu   | ...                               | 2,4   |
 * | Quarter (formatting)            | 120 | Q       | 1, 2, 3, 4                        |       |
 * |                                 |     | Qo      | 1st, 2nd, 3rd, 4th                | 5     |
 * |                                 |     | QQ      | 01, 02, 03, 04                    |       |
 * |                                 |     | QQQ     | Q1, Q2, Q3, Q4                    |       |
 * |                                 |     | QQQQ    | 1st quarter, 2nd quarter, ...     | 2     |
 * |                                 |     | QQQQQ   | 1, 2, 3, 4                        | 4     |
 * | Quarter (stand-alone)           | 120 | q       | 1, 2, 3, 4                        |       |
 * |                                 |     | qo      | 1st, 2nd, 3rd, 4th                | 5     |
 * |                                 |     | qq      | 01, 02, 03, 04                    |       |
 * |                                 |     | qqq     | Q1, Q2, Q3, Q4                    |       |
 * |                                 |     | qqqq    | 1st quarter, 2nd quarter, ...     | 2     |
 * |                                 |     | qqqqq   | 1, 2, 3, 4                        | 3     |
 * | Month (formatting)              | 110 | M       | 1, 2, ..., 12                     |       |
 * |                                 |     | Mo      | 1st, 2nd, ..., 12th               | 5     |
 * |                                 |     | MM      | 01, 02, ..., 12                   |       |
 * |                                 |     | MMM     | Jan, Feb, ..., Dec                |       |
 * |                                 |     | MMMM    | January, February, ..., December  | 2     |
 * |                                 |     | MMMMM   | J, F, ..., D                      |       |
 * | Month (stand-alone)             | 110 | L       | 1, 2, ..., 12                     |       |
 * |                                 |     | Lo      | 1st, 2nd, ..., 12th               | 5     |
 * |                                 |     | LL      | 01, 02, ..., 12                   |       |
 * |                                 |     | LLL     | Jan, Feb, ..., Dec                |       |
 * |                                 |     | LLLL    | January, February, ..., December  | 2     |
 * |                                 |     | LLLLL   | J, F, ..., D                      |       |
 * | Local week of year              | 100 | w       | 1, 2, ..., 53                     |       |
 * |                                 |     | wo      | 1st, 2nd, ..., 53th               | 5     |
 * |                                 |     | ww      | 01, 02, ..., 53                   |       |
 * | ISO week of year                | 100 | I       | 1, 2, ..., 53                     | 5     |
 * |                                 |     | Io      | 1st, 2nd, ..., 53th               | 5     |
 * |                                 |     | II      | 01, 02, ..., 53                   | 5     |
 * | Day of month                    |  90 | d       | 1, 2, ..., 31                     |       |
 * |                                 |     | do      | 1st, 2nd, ..., 31st               | 5     |
 * |                                 |     | dd      | 01, 02, ..., 31                   |       |
 * | Day of year                     |  90 | D       | 1, 2, ..., 365, 366               | 6     |
 * |                                 |     | Do      | 1st, 2nd, ..., 365th, 366th       | 5     |
 * |                                 |     | DD      | 01, 02, ..., 365, 366             | 6     |
 * |                                 |     | DDD     | 001, 002, ..., 365, 366           |       |
 * |                                 |     | DDDD    | ...                               | 2     |
 * | Day of week (formatting)        |  90 | E..EEE  | Mon, Tue, Wed, ..., Su            |       |
 * |                                 |     | EEEE    | Monday, Tuesday, ..., Sunday      | 2     |
 * |                                 |     | EEEEE   | M, T, W, T, F, S, S               |       |
 * |                                 |     | EEEEEE  | Mo, Tu, We, Th, Fr, Su, Sa        |       |
 * | ISO day of week (formatting)    |  90 | i       | 1, 2, 3, ..., 7                   | 5     |
 * |                                 |     | io      | 1st, 2nd, ..., 7th                | 5     |
 * |                                 |     | ii      | 01, 02, ..., 07                   | 5     |
 * |                                 |     | iii     | Mon, Tue, Wed, ..., Su            | 5     |
 * |                                 |     | iiii    | Monday, Tuesday, ..., Sunday      | 2,5   |
 * |                                 |     | iiiii   | M, T, W, T, F, S, S               | 5     |
 * |                                 |     | iiiiii  | Mo, Tu, We, Th, Fr, Su, Sa        | 5     |
 * | Local day of week (formatting)  |  90 | e       | 2, 3, 4, ..., 1                   |       |
 * |                                 |     | eo      | 2nd, 3rd, ..., 1st                | 5     |
 * |                                 |     | ee      | 02, 03, ..., 01                   |       |
 * |                                 |     | eee     | Mon, Tue, Wed, ..., Su            |       |
 * |                                 |     | eeee    | Monday, Tuesday, ..., Sunday      | 2     |
 * |                                 |     | eeeee   | M, T, W, T, F, S, S               |       |
 * |                                 |     | eeeeee  | Mo, Tu, We, Th, Fr, Su, Sa        |       |
 * | Local day of week (stand-alone) |  90 | c       | 2, 3, 4, ..., 1                   |       |
 * |                                 |     | co      | 2nd, 3rd, ..., 1st                | 5     |
 * |                                 |     | cc      | 02, 03, ..., 01                   |       |
 * |                                 |     | ccc     | Mon, Tue, Wed, ..., Su            |       |
 * |                                 |     | cccc    | Monday, Tuesday, ..., Sunday      | 2     |
 * |                                 |     | ccccc   | M, T, W, T, F, S, S               |       |
 * |                                 |     | cccccc  | Mo, Tu, We, Th, Fr, Su, Sa        |       |
 * | AM, PM                          |  80 | a..aaa  | AM, PM                            |       |
 * |                                 |     | aaaa    | a.m., p.m.                        | 2     |
 * |                                 |     | aaaaa   | a, p                              |       |
 * | AM, PM, noon, midnight          |  80 | b..bbb  | AM, PM, noon, midnight            |       |
 * |                                 |     | bbbb    | a.m., p.m., noon, midnight        | 2     |
 * |                                 |     | bbbbb   | a, p, n, mi                       |       |
 * | Flexible day period             |  80 | B..BBB  | at night, in the morning, ...     |       |
 * |                                 |     | BBBB    | at night, in the morning, ...     | 2     |
 * |                                 |     | BBBBB   | at night, in the morning, ...     |       |
 * | Hour [1-12]                     |  70 | h       | 1, 2, ..., 11, 12                 |       |
 * |                                 |     | ho      | 1st, 2nd, ..., 11th, 12th         | 5     |
 * |                                 |     | hh      | 01, 02, ..., 11, 12               |       |
 * | Hour [0-23]                     |  70 | H       | 0, 1, 2, ..., 23                  |       |
 * |                                 |     | Ho      | 0th, 1st, 2nd, ..., 23rd          | 5     |
 * |                                 |     | HH      | 00, 01, 02, ..., 23               |       |
 * | Hour [0-11]                     |  70 | K       | 1, 2, ..., 11, 0                  |       |
 * |                                 |     | Ko      | 1st, 2nd, ..., 11th, 0th          | 5     |
 * |                                 |     | KK      | 1, 2, ..., 11, 0                  |       |
 * | Hour [1-24]                     |  70 | k       | 24, 1, 2, ..., 23                 |       |
 * |                                 |     | ko      | 24th, 1st, 2nd, ..., 23rd         | 5     |
 * |                                 |     | kk      | 24, 01, 02, ..., 23               |       |
 * | Minute                          |  60 | m       | 0, 1, ..., 59                     |       |
 * |                                 |     | mo      | 0th, 1st, ..., 59th               | 5     |
 * |                                 |     | mm      | 00, 01, ..., 59                   |       |
 * | Second                          |  50 | s       | 0, 1, ..., 59                     |       |
 * |                                 |     | so      | 0th, 1st, ..., 59th               | 5     |
 * |                                 |     | ss      | 00, 01, ..., 59                   |       |
 * | Fraction of second              |  40 | S       | 0, 1, ..., 9                      |       |
 * |                                 |     | SS      | 00, 01, ..., 99                   |       |
 * |                                 |     | SSS     | 000, 0001, ..., 999               |       |
 * |                                 |     | SSSS    | ...                               | 2     |
 * | Timezone (ISO-8601 w/ Z)        |  20 | X       | -08, +0530, Z                     |       |
 * |                                 |     | XX      | -0800, +0530, Z                   |       |
 * |                                 |     | XXX     | -08:00, +05:30, Z                 |       |
 * |                                 |     | XXXX    | -0800, +0530, Z, +123456          | 2     |
 * |                                 |     | XXXXX   | -08:00, +05:30, Z, +12:34:56      |       |
 * | Timezone (ISO-8601 w/o Z)       |  20 | x       | -08, +0530, +00                   |       |
 * |                                 |     | xx      | -0800, +0530, +0000               |       |
 * |                                 |     | xxx     | -08:00, +05:30, +00:00            | 2     |
 * |                                 |     | xxxx    | -0800, +0530, +0000, +123456      |       |
 * |                                 |     | xxxxx   | -08:00, +05:30, +00:00, +12:34:56 |       |
 * | Seconds timestamp               |  10 | t       | 512969520                         |       |
 * |                                 |     | tt      | ...                               | 2     |
 * | Milliseconds timestamp          |  10 | T       | 512969520900                      |       |
 * |                                 |     | TT      | ...                               | 2     |
 * Notes:
 * 1. "Formatting" units (e.g. formatting quarter) in the default en-US locale
 *    are the same as "stand-alone" units, but are different in some languages.
 *    "Formatting" units are declined according to the rules of the language
 *    in the context of a date. "Stand-alone" units are always nominative singular.
 *    In `format` function, they will produce different result:
 *
 *    `format(new Date(2017, 10, 6), 'do LLLL', {locale: cs}) //=> '6. listopad'`
 *
 *    `format(new Date(2017, 10, 6), 'do MMMM', {locale: cs}) //=> '6. listopadu'`
 *
 *    `parse` will try to match both formatting and stand-alone units interchangably.
 *
 * 2. Any sequence of the identical letters is a pattern, unless it is escaped by
 *    the single quote characters (see below).
 *    If the sequence is longer than listed in table:
 *    - for numerical units (`yyyyyyyy`) `parse` will try to match a number
 *      as wide as the sequence
 *    - for text units (`MMMMMMMM`) `parse` will try to match the widest variation of the unit.
 *      These variations are marked with "2" in the last column of the table.
 *
 * 3. `QQQQQ` and `qqqqq` could be not strictly numerical in some locales.
 *    These tokens represent the shortest form of the quarter.
 *
 * 4. The main difference between `y` and `u` patterns are B.C. years:
 *
 *    | Year | `y` | `u` |
 *    |------|-----|-----|
 *    | AC 1 |   1 |   1 |
 *    | BC 1 |   1 |   0 |
 *    | BC 2 |   2 |  -1 |
 *
 *    Also `yy` will try to guess the century of two digit year by proximity with `baseDate`:
 *
 *    `parse('50', 'yy', new Date(2018, 0, 1)) //=> Sat Jan 01 2050 00:00:00`
 *
 *    `parse('75', 'yy', new Date(2018, 0, 1)) //=> Wed Jan 01 1975 00:00:00`
 *
 *    while `uu` will just assign the year as is:
 *
 *    `parse('50', 'uu', new Date(2018, 0, 1)) //=> Sat Jan 01 0050 00:00:00`
 *
 *    `parse('75', 'uu', new Date(2018, 0, 1)) //=> Tue Jan 01 0075 00:00:00`
 *
 *    The same difference is true for local and ISO week-numbering years (`Y` and `R`),
 *    except local week-numbering years are dependent on `options.weekStartsOn`
 *    and `options.firstWeekContainsDate` (compare [setISOWeekYear]{@link https://date-fns.org/docs/setISOWeekYear}
 *    and [setWeekYear]{@link https://date-fns.org/docs/setWeekYear}).
 *
 * 5. These patterns are not in the Unicode Technical Standard #35:
 *    - `i`: ISO day of week
 *    - `I`: ISO week of year
 *    - `R`: ISO week-numbering year
 *    - `o`: ordinal number modifier
 *
 * 6. These tokens are often confused with others. See: https://git.io/fxCyr
 *
 * Values will be assigned to the date in the descending order of its unit's priority.
 * Units of an equal priority overwrite each other in the order of appearance.
 *
 * If no values of higher priority are parsed (e.g. when parsing string 'January 1st' without a year),
 * the values will be taken from 3rd argument `baseDate` which works as a context of parsing.
 *
 * `baseDate` must be passed for correct work of the function.
 * If you're not sure which `baseDate` to supply, create a new instance of Date:
 * `parse('02/11/2014', 'MM/dd/yyyy', new Date())`
 * In this case parsing will be done in the context of the current date.
 * If `baseDate` is `Invalid Date` or a value not convertible to valid `Date`,
 * then `Invalid Date` will be returned.
 *
 * The result may vary by locale.
 *
 * If `formatString` matches with `dateString` but does not provides tokens, `baseDate` will be returned.
 *
 * If parsing failed, `Invalid Date` will be returned.
 * Invalid Date is a Date, whose time value is NaN.
 * Time value of Date: http://es5.github.io/#x15.9.1.1
 *
 * @param {String} dateString - the string to parse
 * @param {String} formatString - the string of tokens
 * @param {Date|String|Number} baseDate - defines values missing from the parsed dateString
 * @param {Options} [options] - the object with options. See [Options]{@link https://date-fns.org/docs/Options}
 * @param {0|1|2} [options.additionalDigits=2] - passed to `toDate`. See [toDate]{@link https://date-fns.org/docs/toDate}
 * @param {Locale} [options.locale=defaultLocale] - the locale object. See [Locale]{@link https://date-fns.org/docs/Locale}
 * @param {0|1|2|3|4|5|6} [options.weekStartsOn=0] - the index of the first day of the week (0 - Sunday)
 * @param {1|2|3|4|5|6|7} [options.firstWeekContainsDate=1] - the day of January, which is always in the first week of the year
 * @param {Boolean} [options.awareOfUnicodeTokens=false] - if true, allows usage of Unicode tokens causes confusion:
 *   - Some of the day of year tokens (`D`, `DD`) that are confused with the day of month tokens (`d`, `dd`).
 *   - Some of the local week-numbering year tokens (`YY`, `YYYY`) that are confused with the calendar year tokens (`yy`, `yyyy`).
 *   See: https://git.io/fxCyr
 * @returns {Date} the parsed date
 * @throws {TypeError} 3 arguments required
 * @throws {RangeError} `options.additionalDigits` must be 0, 1 or 2
 * @throws {RangeError} `options.weekStartsOn` must be between 0 and 6
 * @throws {RangeError} `options.firstWeekContainsDate` must be between 1 and 7
 * @throws {RangeError} `options.locale` must contain `match` property
 * @throws {RangeError} `options.awareOfUnicodeTokens` must be set to `true` to use `XX` token; see: https://git.io/fxCyr
 *
 * @example
 * // Parse 11 February 2014 from middle-endian format:
 * var result = parse(
 *   '02/11/2014',
 *   'MM/dd/yyyy',
 *   new Date()
 * )
 * //=> Tue Feb 11 2014 00:00:00
 *
 * @example
 * // Parse 28th of February in Esperanto locale in the context of 2010 year:
 * import eo from 'date-fns/locale/eo'
 * var result = parse(
 *   '28-a de februaro',
 *   "do 'de' MMMM",
 *   new Date(2010, 0, 1),
 *   {locale: eo}
 * )
 * //=> Sun Feb 28 2010 00:00:00
 */
function parse(
  dirtyDateString,
  dirtyFormatString,
  dirtyBaseDate,
  dirtyOptions
) {
  if (arguments.length < 3) {
    throw new TypeError(
      '3 arguments required, but only ' + arguments.length + ' present'
    )
  }

  var dateString = String(dirtyDateString);
  var formatString = String(dirtyFormatString);
  var options = dirtyOptions || {};

  var locale = options.locale || locale$1;

  if (!locale.match) {
    throw new RangeError('locale must contain match property')
  }

  var localeFirstWeekContainsDate =
    locale.options && locale.options.firstWeekContainsDate;
  var defaultFirstWeekContainsDate =
    localeFirstWeekContainsDate == null
      ? 1
      : toInteger(localeFirstWeekContainsDate);
  var firstWeekContainsDate =
    options.firstWeekContainsDate == null
      ? defaultFirstWeekContainsDate
      : toInteger(options.firstWeekContainsDate);

  // Test if weekStartsOn is between 1 and 7 _and_ is not NaN
  if (!(firstWeekContainsDate >= 1 && firstWeekContainsDate <= 7)) {
    throw new RangeError(
      'firstWeekContainsDate must be between 1 and 7 inclusively'
    )
  }

  var localeWeekStartsOn = locale.options && locale.options.weekStartsOn;
  var defaultWeekStartsOn =
    localeWeekStartsOn == null ? 0 : toInteger(localeWeekStartsOn);
  var weekStartsOn =
    options.weekStartsOn == null
      ? defaultWeekStartsOn
      : toInteger(options.weekStartsOn);

  // Test if weekStartsOn is between 0 and 6 _and_ is not NaN
  if (!(weekStartsOn >= 0 && weekStartsOn <= 6)) {
    throw new RangeError('weekStartsOn must be between 0 and 6 inclusively')
  }

  if (formatString === '') {
    if (dateString === '') {
      return toDate(dirtyBaseDate, options)
    } else {
      return new Date(NaN)
    }
  }

  var subFnOptions = {
    firstWeekContainsDate: firstWeekContainsDate,
    weekStartsOn: weekStartsOn,
    locale: locale
  };

  // If timezone isn't specified, it will be set to the system timezone
  var setters = [
    {
      priority: TIMEZONE_UNIT_PRIORITY,
      set: dateToSystemTimezone,
      index: 0
    }
  ];

  var i;

  var tokens = formatString.match(formattingTokensRegExp$1);

  for (i = 0; i < tokens.length; i++) {
    var token = tokens[i];

    if (!options.awareOfUnicodeTokens && isProtectedToken(token)) {
      throwProtectedError(token);
    }

    var firstCharacter = token[0];
    var parser = parsers[firstCharacter];
    if (parser) {
      var parseResult = parser.parse(
        dateString,
        token,
        locale.match,
        subFnOptions
      );

      if (!parseResult) {
        return new Date(NaN)
      }

      setters.push({
        priority: parser.priority,
        set: parser.set,
        validate: parser.validate,
        value: parseResult.value,
        index: setters.length
      });

      dateString = parseResult.rest;
    } else {
      // Replace two single quote characters with one single quote character
      if (token === "''") {
        token = "'";
      } else if (firstCharacter === "'") {
        token = cleanEscapedString$1(token);
      }

      // Cut token from string, or, if string doesn't match the token, return Invalid Date
      if (dateString.indexOf(token) === 0) {
        dateString = dateString.slice(token.length);
      } else {
        return new Date(NaN)
      }
    }
  }

  // Check if the remaining input contains something other than whitespace
  if (dateString.length > 0 && notWhitespaceRegExp.test(dateString)) {
    return new Date(NaN)
  }

  var uniquePrioritySetters = setters
    .map(function(setter) {
      return setter.priority
    })
    .sort(function(a, b) {
      return b - a
    })
    .filter(function(priority, index, array) {
      return array.indexOf(priority) === index
    })
    .map(function(priority) {
      return setters
        .filter(function(setter) {
          return setter.priority === priority
        })
        .reverse()
    })
    .map(function(setterArray) {
      return setterArray[0]
    });

  var date = toDate(dirtyBaseDate, options);

  if (isNaN(date)) {
    return new Date(NaN)
  }

  // Convert the date in system timezone to the same date in UTC+00:00 timezone.
  // This ensures that when UTC functions will be implemented, locales will be compatible with them.
  // See an issue about UTC functions: https://github.com/date-fns/date-fns/issues/37
  var utcDate = subMilliseconds(date, getTimezoneOffsetInMilliseconds(date));

  for (i = 0; i < uniquePrioritySetters.length; i++) {
    var setter = uniquePrioritySetters[i];

    if (
      setter.validate &&
      !setter.validate(utcDate, setter.value, subFnOptions)
    ) {
      return new Date(NaN)
    }

    utcDate = setter.set(utcDate, setter.value, subFnOptions);
  }

  return utcDate
}

function dateToSystemTimezone(date) {
  var convertedDate = new Date(0);
  convertedDate.setFullYear(
    date.getUTCFullYear(),
    date.getUTCMonth(),
    date.getUTCDate()
  );
  convertedDate.setHours(
    date.getUTCHours(),
    date.getUTCMinutes(),
    date.getUTCSeconds(),
    date.getUTCMilliseconds()
  );
  return convertedDate
}

function cleanEscapedString$1(input) {
  return input.match(escapedStringRegExp$1)[1].replace(doubleQuoteRegExp$1, "'")
}

// 

/**
 * Custom parse behavior on top of date-fns parse function.
 */
function parseDate$1 (date, format$1) {
  if (typeof date !== 'string') {
    return isValid(date) ? date : null;
  }

  var parsed = parse(date, format$1, new Date());

  // if date is not valid or the formatted output after parsing does not match
  // the string value passed in (avoids overflows)
  if (!isValid(parsed) || format(parsed, format$1) !== date) {
    return null;
  }

  return parsed;
}

var afterValidator = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var targetValue = ref.targetValue;
  var inclusion = ref.inclusion; if ( inclusion === void 0 ) inclusion = false;
  var format = ref.format;

  if (typeof format === 'undefined') {
    format = inclusion;
    inclusion = false;
  }

  value = parseDate$1(value, format);
  targetValue = parseDate$1(targetValue, format);

  // if either is not valid.
  if (!value || !targetValue) {
    return false;
  }

  return isAfter(value, targetValue) || (inclusion && isEqual$1(value, targetValue));
};

var options = {
  hasTarget: true,
  isDate: true
};

// required to convert from a list of array values to an object.
var paramNames = ['targetValue', 'inclusion', 'format'];

var after = {
  validate: afterValidator,
  options: options,
  paramNames: paramNames
};

/**
 * Some Alpha Regex helpers.
 * https://github.com/chriso/validator.js/blob/master/src/lib/alpha.js
 */

var alpha = {
  en: /^[A-Z]*$/i,
  cs: /^[A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ]*$/i,
  da: /^[A-ZÆØÅ]*$/i,
  de: /^[A-ZÄÖÜß]*$/i,
  es: /^[A-ZÁÉÍÑÓÚÜ]*$/i,
  fa: /^[ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰپژگچکی]*$/,
  fr: /^[A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ]*$/i,
  it: /^[A-Z\xC0-\xFF]*$/i,
  lt: /^[A-ZĄČĘĖĮŠŲŪŽ]*$/i,
  nl: /^[A-ZÉËÏÓÖÜ]*$/i,
  hu: /^[A-ZÁÉÍÓÖŐÚÜŰ]*$/i,
  pl: /^[A-ZĄĆĘŚŁŃÓŻŹ]*$/i,
  pt: /^[A-ZÃÁÀÂÇÉÊÍÕÓÔÚÜ]*$/i,
  ru: /^[А-ЯЁ]*$/i,
  sk: /^[A-ZÁÄČĎÉÍĹĽŇÓŔŠŤÚÝŽ]*$/i,
  sr: /^[A-ZČĆŽŠĐ]*$/i,
  sv: /^[A-ZÅÄÖ]*$/i,
  tr: /^[A-ZÇĞİıÖŞÜ]*$/i,
  uk: /^[А-ЩЬЮЯЄІЇҐ]*$/i,
  ar: /^[ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰ]*$/,
  az: /^[A-ZÇƏĞİıÖŞÜ]*$/i
};

var alphaSpaces = {
  en: /^[A-Z\s]*$/i,
  cs: /^[A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ\s]*$/i,
  da: /^[A-ZÆØÅ\s]*$/i,
  de: /^[A-ZÄÖÜß\s]*$/i,
  es: /^[A-ZÁÉÍÑÓÚÜ\s]*$/i,
  fa: /^[ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰپژگچکی\s]*$/,
  fr: /^[A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ\s]*$/i,
  it: /^[A-Z\xC0-\xFF\s]*$/i,
  lt: /^[A-ZĄČĘĖĮŠŲŪŽ\s]*$/i,
  nl: /^[A-ZÉËÏÓÖÜ\s]*$/i,
  hu: /^[A-ZÁÉÍÓÖŐÚÜŰ\s]*$/i,
  pl: /^[A-ZĄĆĘŚŁŃÓŻŹ\s]*$/i,
  pt: /^[A-ZÃÁÀÂÇÉÊÍÕÓÔÚÜ\s]*$/i,
  ru: /^[А-ЯЁ\s]*$/i,
  sk: /^[A-ZÁÄČĎÉÍĹĽŇÓŔŠŤÚÝŽ\s]*$/i,
  sr: /^[A-ZČĆŽŠĐ\s]*$/i,
  sv: /^[A-ZÅÄÖ\s]*$/i,
  tr: /^[A-ZÇĞİıÖŞÜ\s]*$/i,
  uk: /^[А-ЩЬЮЯЄІЇҐ\s]*$/i,
  ar: /^[ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰ\s]*$/,
  az: /^[A-ZÇƏĞİıÖŞÜ\s]*$/i
};

var alphanumeric = {
  en: /^[0-9A-Z]*$/i,
  cs: /^[0-9A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ]*$/i,
  da: /^[0-9A-ZÆØÅ]$/i,
  de: /^[0-9A-ZÄÖÜß]*$/i,
  es: /^[0-9A-ZÁÉÍÑÓÚÜ]*$/i,
  fa: /^[٠١٢٣٤٥٦٧٨٩0-9ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰپژگچکی]*$/,
  fr: /^[0-9A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ]*$/i,
  it: /^[0-9A-Z\xC0-\xFF]*$/i,
  lt: /^[0-9A-ZĄČĘĖĮŠŲŪŽ]*$/i,
  hu: /^[0-9A-ZÁÉÍÓÖŐÚÜŰ]*$/i,
  nl: /^[0-9A-ZÉËÏÓÖÜ]*$/i,
  pl: /^[0-9A-ZĄĆĘŚŁŃÓŻŹ]*$/i,
  pt: /^[0-9A-ZÃÁÀÂÇÉÊÍÕÓÔÚÜ]*$/i,
  ru: /^[0-9А-ЯЁ]*$/i,
  sk: /^[0-9A-ZÁÄČĎÉÍĹĽŇÓŔŠŤÚÝŽ]*$/i,
  sr: /^[0-9A-ZČĆŽŠĐ]*$/i,
  sv: /^[0-9A-ZÅÄÖ]*$/i,
  tr: /^[0-9A-ZÇĞİıÖŞÜ]*$/i,
  uk: /^[0-9А-ЩЬЮЯЄІЇҐ]*$/i,
  ar: /^[٠١٢٣٤٥٦٧٨٩0-9ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰ]*$/,
  az: /^[0-9A-ZÇƏĞİıÖŞÜ]*$/i
};

var alphaDash = {
  en: /^[0-9A-Z_-]*$/i,
  cs: /^[0-9A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ_-]*$/i,
  da: /^[0-9A-ZÆØÅ_-]*$/i,
  de: /^[0-9A-ZÄÖÜß_-]*$/i,
  es: /^[0-9A-ZÁÉÍÑÓÚÜ_-]*$/i,
  fa: /^[٠١٢٣٤٥٦٧٨٩0-9ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰپژگچکی_-]*$/,
  fr: /^[0-9A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ_-]*$/i,
  it: /^[0-9A-Z\xC0-\xFF_-]*$/i,
  lt: /^[0-9A-ZĄČĘĖĮŠŲŪŽ_-]*$/i,
  nl: /^[0-9A-ZÉËÏÓÖÜ_-]*$/i,
  hu: /^[0-9A-ZÁÉÍÓÖŐÚÜŰ_-]*$/i,
  pl: /^[0-9A-ZĄĆĘŚŁŃÓŻŹ_-]*$/i,
  pt: /^[0-9A-ZÃÁÀÂÇÉÊÍÕÓÔÚÜ_-]*$/i,
  ru: /^[0-9А-ЯЁ_-]*$/i,
  sk: /^[0-9A-ZÁÄČĎÉÍĹĽŇÓŔŠŤÚÝŽ_-]*$/i,
  sr: /^[0-9A-ZČĆŽŠĐ_-]*$/i,
  sv: /^[0-9A-ZÅÄÖ_-]*$/i,
  tr: /^[0-9A-ZÇĞİıÖŞÜ_-]*$/i,
  uk: /^[0-9А-ЩЬЮЯЄІЇҐ_-]*$/i,
  ar: /^[٠١٢٣٤٥٦٧٨٩0-9ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰ_-]*$/,
  az: /^[0-9A-ZÇƏĞİıÖŞÜ_-]*$/i
};

var validate = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var locale = ref.locale;

  if (Array.isArray(value)) {
    return value.every(function (val) { return validate(val, [locale]); });
  }

  // Match at least one locale.
  if (! locale) {
    return Object.keys(alpha).some(function (loc) { return alpha[loc].test(value); });
  }

  return (alpha[locale] || alpha.en).test(value);
};

var paramNames$1 = ['locale'];

var alpha$1 = {
  validate: validate,
  paramNames: paramNames$1
};

var validate$1 = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var locale = ref.locale;

  if (Array.isArray(value)) {
    return value.every(function (val) { return validate$1(val, [locale]); });
  }

  // Match at least one locale.
  if (! locale) {
    return Object.keys(alphaDash).some(function (loc) { return alphaDash[loc].test(value); });
  }

  return (alphaDash[locale] || alphaDash.en).test(value);
};

var paramNames$2 = ['locale'];

var alpha_dash = {
  validate: validate$1,
  paramNames: paramNames$2
};

var validate$2 = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var locale = ref.locale;

  if (Array.isArray(value)) {
    return value.every(function (val) { return validate$2(val, [locale]); });
  }

  // Match at least one locale.
  if (! locale) {
    return Object.keys(alphanumeric).some(function (loc) { return alphanumeric[loc].test(value); });
  }

  return (alphanumeric[locale] || alphanumeric.en).test(value);
};

var paramNames$3 = ['locale'];

var alpha_num = {
  validate: validate$2,
  paramNames: paramNames$3
};

var validate$3 = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var locale = ref.locale;

  if (Array.isArray(value)) {
    return value.every(function (val) { return validate$3(val, [locale]); });
  }

  // Match at least one locale.
  if (! locale) {
    return Object.keys(alphaSpaces).some(function (loc) { return alphaSpaces[loc].test(value); });
  }

  return (alphaSpaces[locale] || alphaSpaces.en).test(value);
};

var paramNames$4 = ['locale'];

var alpha_spaces = {
  validate: validate$3,
  paramNames: paramNames$4
};

var validate$4 = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var targetValue = ref.targetValue;
  var inclusion = ref.inclusion; if ( inclusion === void 0 ) inclusion = false;
  var format = ref.format;

  if (typeof format === 'undefined') {
    format = inclusion;
    inclusion = false;
  }

  value = parseDate$1(value, format);
  targetValue = parseDate$1(targetValue, format);

  // if either is not valid.
  if (!value || !targetValue) {
    return false;
  }

  return isBefore(value, targetValue) || (inclusion && isEqual$1(value, targetValue));
};

var options$1 = {
  hasTarget: true,
  isDate: true
};

var paramNames$5 = ['targetValue', 'inclusion', 'format'];

var before = {
  validate: validate$4,
  options: options$1,
  paramNames: paramNames$5
};

var validate$5 = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var min = ref.min;
  var max = ref.max;

  if (Array.isArray(value)) {
    return value.every(function (val) { return validate$5(val, { min: min, max: max }); });
  }

  return Number(min) <= value && Number(max) >= value;
};

var paramNames$6 = ['min', 'max'];

var between = {
  validate: validate$5,
  paramNames: paramNames$6
};

var validate$6 = function (value, ref) {
  var targetValue = ref.targetValue;

  return String(value) === String(targetValue);
};
var options$2 = {
  hasTarget: true
};

var paramNames$7 = ['targetValue'];

var confirmed = {
  validate: validate$6,
  options: options$2,
  paramNames: paramNames$7
};

function unwrapExports (x) {
	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}

function createCommonjsModule(fn, module) {
	return module = { exports: {} }, fn(module, module.exports), module.exports;
}

var assertString_1 = createCommonjsModule(function (module, exports) {

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = assertString;

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function assertString(input) {
  var isString = typeof input === 'string' || input instanceof String;

  if (!isString) {
    var invalidType;

    if (input === null) {
      invalidType = 'null';
    } else {
      invalidType = _typeof(input);

      if (invalidType === 'object' && input.constructor && input.constructor.hasOwnProperty('name')) {
        invalidType = input.constructor.name;
      } else {
        invalidType = "a ".concat(invalidType);
      }
    }

    throw new TypeError("Expected string but received ".concat(invalidType, "."));
  }
}

module.exports = exports.default;
module.exports.default = exports.default;
});

unwrapExports(assertString_1);

var isCreditCard_1 = createCommonjsModule(function (module, exports) {

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = isCreditCard;

var _assertString = _interopRequireDefault(assertString_1);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/* eslint-disable max-len */
var creditCard = /^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|(222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11}|6[27][0-9]{14})$/;
/* eslint-enable max-len */

function isCreditCard(str) {
  (0, _assertString.default)(str);
  var sanitized = str.replace(/[- ]+/g, '');

  if (!creditCard.test(sanitized)) {
    return false;
  }

  var sum = 0;
  var digit;
  var tmpNum;
  var shouldDouble;

  for (var i = sanitized.length - 1; i >= 0; i--) {
    digit = sanitized.substring(i, i + 1);
    tmpNum = parseInt(digit, 10);

    if (shouldDouble) {
      tmpNum *= 2;

      if (tmpNum >= 10) {
        sum += tmpNum % 10 + 1;
      } else {
        sum += tmpNum;
      }
    } else {
      sum += tmpNum;
    }

    shouldDouble = !shouldDouble;
  }

  return !!(sum % 10 === 0 ? sanitized : false);
}

module.exports = exports.default;
module.exports.default = exports.default;
});

var isCreditCard = unwrapExports(isCreditCard_1);

var validate$7 = function (value) { return isCreditCard(String(value)); };

var credit_card = {
  validate: validate$7
};

var validate$8 = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var min = ref.min;
  var max = ref.max;
  var inclusivity = ref.inclusivity; if ( inclusivity === void 0 ) inclusivity = '()';
  var format = ref.format;

  if (typeof format === 'undefined') {
    format = inclusivity;
    inclusivity = '()';
  }

  var minDate = parseDate$1(String(min), format);
  var maxDate = parseDate$1(String(max), format);
  var dateVal = parseDate$1(String(value), format);

  if (!minDate || !maxDate || !dateVal) {
    return false;
  }

  if (inclusivity === '()') {
    return isAfter(dateVal, minDate) && isBefore(dateVal, maxDate);
  }

  if (inclusivity === '(]') {
    return isAfter(dateVal, minDate) && (isEqual$1(dateVal, maxDate) || isBefore(dateVal, maxDate));
  }

  if (inclusivity === '[)') {
    return isBefore(dateVal, maxDate) && (isEqual$1(dateVal, minDate) || isAfter(dateVal, minDate));
  }

  return isEqual$1(dateVal, maxDate) || isEqual$1(dateVal, minDate) ||
    (isBefore(dateVal, maxDate) && isAfter(dateVal, minDate));
};

var options$3 = {
  isDate: true
};

var paramNames$8 = ['min', 'max', 'inclusivity', 'format'];

var date_between = {
  validate: validate$8,
  options: options$3,
  paramNames: paramNames$8
};

var validate$9 = function (value, ref) {
  var format = ref.format;

  return !!parseDate$1(value, format);
};

var options$4 = {
  isDate: true
};

var paramNames$9 = ['format'];

var date_format = {
  validate: validate$9,
  options: options$4,
  paramNames: paramNames$9
};

var validate$a = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var decimals = ref.decimals; if ( decimals === void 0 ) decimals = '*';
  var separator = ref.separator; if ( separator === void 0 ) separator = '.';

  if (isNullOrUndefined(value) || value === '') {
    return false;
  }

  if (Array.isArray(value)) {
    return value.every(function (val) { return validate$a(val, { decimals: decimals, separator: separator }); });
  }

  // if is 0.
  if (Number(decimals) === 0) {
    return /^-?\d*$/.test(value);
  }

  var regexPart = decimals === '*' ? '+' : ("{1," + decimals + "}");
  var regex = new RegExp(("^[-+]?\\d*(\\" + separator + "\\d" + regexPart + ")?([eE]{1}[-]?\\d+)?$"));

  if (! regex.test(value)) {
    return false;
  }

  var parsedValue = parseFloat(value);

  // eslint-disable-next-line
  return parsedValue === parsedValue;
};

var paramNames$a = ['decimals', 'separator'];

var decimal = {
  validate: validate$a,
  paramNames: paramNames$a
};

var validate$b = function (value, ref) {
  var length = ref[0];

  if (Array.isArray(value)) {
    return value.every(function (val) { return validate$b(val, [length]); });
  }
  var strVal = String(value);

  return /^[0-9]*$/.test(strVal) && strVal.length === Number(length);
};

var digits = {
  validate: validate$b
};

var imageRegex = /\.(jpg|svg|jpeg|png|bmp|gif)$/i;

var validateImage = function (file, width, height) {
  var URL = window.URL || window.webkitURL;
  return new Promise(function (resolve) {
    var image = new Image();
    image.onerror = function () { return resolve({ valid: false }); };
    image.onload = function () { return resolve({
      valid: image.width === Number(width) && image.height === Number(height)
    }); };

    image.src = URL.createObjectURL(file);
  });
};

var validate$c = function (files, ref) {
  var width = ref[0];
  var height = ref[1];

  var images = ensureArray(files).filter(function (file) { return imageRegex.test(file.name); });
  if (images.length === 0) {
    return false;
  }
  return Promise.all(images.map(function (image) { return validateImage(image, width, height); }));
};

var dimensions = {
  validate: validate$c
};

var merge_1 = createCommonjsModule(function (module, exports) {

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = merge;

function merge() {
  var obj = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var defaults = arguments.length > 1 ? arguments[1] : undefined;

  for (var key in defaults) {
    if (typeof obj[key] === 'undefined') {
      obj[key] = defaults[key];
    }
  }

  return obj;
}

module.exports = exports.default;
module.exports.default = exports.default;
});

unwrapExports(merge_1);

var isByteLength_1 = createCommonjsModule(function (module, exports) {

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = isByteLength;

var _assertString = _interopRequireDefault(assertString_1);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

/* eslint-disable prefer-rest-params */
function isByteLength(str, options) {
  (0, _assertString.default)(str);
  var min;
  var max;

  if (_typeof(options) === 'object') {
    min = options.min || 0;
    max = options.max;
  } else {
    // backwards compatibility: isByteLength(str, min [, max])
    min = arguments[1];
    max = arguments[2];
  }

  var len = encodeURI(str).split(/%..|./).length - 1;
  return len >= min && (typeof max === 'undefined' || len <= max);
}

module.exports = exports.default;
module.exports.default = exports.default;
});

unwrapExports(isByteLength_1);

var isFQDN_1 = createCommonjsModule(function (module, exports) {

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = isFQDN;

var _assertString = _interopRequireDefault(assertString_1);

var _merge = _interopRequireDefault(merge_1);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var default_fqdn_options = {
  require_tld: true,
  allow_underscores: false,
  allow_trailing_dot: false
};

function isFQDN(str, options) {
  (0, _assertString.default)(str);
  options = (0, _merge.default)(options, default_fqdn_options);
  /* Remove the optional trailing dot before checking validity */

  if (options.allow_trailing_dot && str[str.length - 1] === '.') {
    str = str.substring(0, str.length - 1);
  }

  var parts = str.split('.');

  for (var i = 0; i < parts.length; i++) {
    if (parts[i].length > 63) {
      return false;
    }
  }

  if (options.require_tld) {
    var tld = parts.pop();

    if (!parts.length || !/^([a-z\u00a1-\uffff]{2,}|xn[a-z0-9-]{2,})$/i.test(tld)) {
      return false;
    } // disallow spaces


    if (/[\s\u2002-\u200B\u202F\u205F\u3000\uFEFF\uDB40\uDC20]/.test(tld)) {
      return false;
    }
  }

  for (var part, _i = 0; _i < parts.length; _i++) {
    part = parts[_i];

    if (options.allow_underscores) {
      part = part.replace(/_/g, '');
    }

    if (!/^[a-z\u00a1-\uffff0-9-]+$/i.test(part)) {
      return false;
    } // disallow full-width chars


    if (/[\uff01-\uff5e]/.test(part)) {
      return false;
    }

    if (part[0] === '-' || part[part.length - 1] === '-') {
      return false;
    }
  }

  return true;
}

module.exports = exports.default;
module.exports.default = exports.default;
});

var isFQDN = unwrapExports(isFQDN_1);

var isIP_1 = createCommonjsModule(function (module, exports) {

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = isIP;

var _assertString = _interopRequireDefault(assertString_1);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var ipv4Maybe = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
var ipv6Block = /^[0-9A-F]{1,4}$/i;

function isIP(str) {
  var version = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
  (0, _assertString.default)(str);
  version = String(version);

  if (!version) {
    return isIP(str, 4) || isIP(str, 6);
  } else if (version === '4') {
    if (!ipv4Maybe.test(str)) {
      return false;
    }

    var parts = str.split('.').sort(function (a, b) {
      return a - b;
    });
    return parts[3] <= 255;
  } else if (version === '6') {
    var blocks = str.split(':');
    var foundOmissionBlock = false; // marker to indicate ::
    // At least some OS accept the last 32 bits of an IPv6 address
    // (i.e. 2 of the blocks) in IPv4 notation, and RFC 3493 says
    // that '::ffff:a.b.c.d' is valid for IPv4-mapped IPv6 addresses,
    // and '::a.b.c.d' is deprecated, but also valid.

    var foundIPv4TransitionBlock = isIP(blocks[blocks.length - 1], 4);
    var expectedNumberOfBlocks = foundIPv4TransitionBlock ? 7 : 8;

    if (blocks.length > expectedNumberOfBlocks) {
      return false;
    } // initial or final ::


    if (str === '::') {
      return true;
    } else if (str.substr(0, 2) === '::') {
      blocks.shift();
      blocks.shift();
      foundOmissionBlock = true;
    } else if (str.substr(str.length - 2) === '::') {
      blocks.pop();
      blocks.pop();
      foundOmissionBlock = true;
    }

    for (var i = 0; i < blocks.length; ++i) {
      // test for a :: which can not be at the string start/end
      // since those cases have been handled above
      if (blocks[i] === '' && i > 0 && i < blocks.length - 1) {
        if (foundOmissionBlock) {
          return false; // multiple :: in address
        }

        foundOmissionBlock = true;
      } else if (foundIPv4TransitionBlock && i === blocks.length - 1) ; else if (!ipv6Block.test(blocks[i])) {
        return false;
      }
    }

    if (foundOmissionBlock) {
      return blocks.length >= 1;
    }

    return blocks.length === expectedNumberOfBlocks;
  }

  return false;
}

module.exports = exports.default;
module.exports.default = exports.default;
});

var isIP = unwrapExports(isIP_1);

var isEmail_1 = createCommonjsModule(function (module, exports) {

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = isEmail;

var _assertString = _interopRequireDefault(assertString_1);

var _merge = _interopRequireDefault(merge_1);

var _isByteLength = _interopRequireDefault(isByteLength_1);

var _isFQDN = _interopRequireDefault(isFQDN_1);

var _isIP = _interopRequireDefault(isIP_1);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var default_email_options = {
  allow_display_name: false,
  require_display_name: false,
  allow_utf8_local_part: true,
  require_tld: true
};
/* eslint-disable max-len */

/* eslint-disable no-control-regex */

var displayName = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\.\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\,\.\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF\s]*<(.+)>$/i;
var emailUserPart = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~]+$/i;
var gmailUserPart = /^[a-z\d]+$/;
var quotedEmailUser = /^([\s\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e]|(\\[\x01-\x09\x0b\x0c\x0d-\x7f]))*$/i;
var emailUserUtf8Part = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+$/i;
var quotedEmailUserUtf8 = /^([\s\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|(\\[\x01-\x09\x0b\x0c\x0d-\x7f\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))*$/i;
/* eslint-enable max-len */

/* eslint-enable no-control-regex */

function isEmail(str, options) {
  (0, _assertString.default)(str);
  options = (0, _merge.default)(options, default_email_options);

  if (options.require_display_name || options.allow_display_name) {
    var display_email = str.match(displayName);

    if (display_email) {
      str = display_email[1];
    } else if (options.require_display_name) {
      return false;
    }
  }

  var parts = str.split('@');
  var domain = parts.pop();
  var user = parts.join('@');
  var lower_domain = domain.toLowerCase();

  if (options.domain_specific_validation && (lower_domain === 'gmail.com' || lower_domain === 'googlemail.com')) {
    /*
      Previously we removed dots for gmail addresses before validating.
      This was removed because it allows `multiple..dots@gmail.com`
      to be reported as valid, but it is not.
      Gmail only normalizes single dots, removing them from here is pointless,
      should be done in normalizeEmail
    */
    user = user.toLowerCase(); // Removing sub-address from username before gmail validation

    var username = user.split('+')[0]; // Dots are not included in gmail length restriction

    if (!(0, _isByteLength.default)(username.replace('.', ''), {
      min: 6,
      max: 30
    })) {
      return false;
    }

    var _user_parts = username.split('.');

    for (var i = 0; i < _user_parts.length; i++) {
      if (!gmailUserPart.test(_user_parts[i])) {
        return false;
      }
    }
  }

  if (!(0, _isByteLength.default)(user, {
    max: 64
  }) || !(0, _isByteLength.default)(domain, {
    max: 254
  })) {
    return false;
  }

  if (!(0, _isFQDN.default)(domain, {
    require_tld: options.require_tld
  })) {
    if (!options.allow_ip_domain) {
      return false;
    }

    if (!(0, _isIP.default)(domain)) {
      if (!domain.startsWith('[') || !domain.endsWith(']')) {
        return false;
      }

      var noBracketdomain = domain.substr(1, domain.length - 2);

      if (noBracketdomain.length === 0 || !(0, _isIP.default)(noBracketdomain)) {
        return false;
      }
    }
  }

  if (user[0] === '"') {
    user = user.slice(1, user.length - 1);
    return options.allow_utf8_local_part ? quotedEmailUserUtf8.test(user) : quotedEmailUser.test(user);
  }

  var pattern = options.allow_utf8_local_part ? emailUserUtf8Part : emailUserPart;
  var user_parts = user.split('.');

  for (var _i = 0; _i < user_parts.length; _i++) {
    if (!pattern.test(user_parts[_i])) {
      return false;
    }
  }

  return true;
}

module.exports = exports.default;
module.exports.default = exports.default;
});

var isEmail = unwrapExports(isEmail_1);

function objectWithoutProperties (obj, exclude) { var target = {}; for (var k in obj) if (Object.prototype.hasOwnProperty.call(obj, k) && exclude.indexOf(k) === -1) target[k] = obj[k]; return target; }

var validate$d = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var multiple = ref.multiple; if ( multiple === void 0 ) multiple = false;
  var rest = objectWithoutProperties( ref, ["multiple"] );
  var options = rest;

  if (multiple && !Array.isArray(value)) {
    value = String(value).split(',').map(function (emailStr) { return emailStr.trim(); });
  }

  var validatorOptions = assign({}, options);

  if (Array.isArray(value)) {
    return value.every(function (val) { return isEmail(String(val), validatorOptions); });
  }

  return isEmail(String(value), validatorOptions);
};

var email = {
  validate: validate$d
};

var validate$e = function (value, options) {
  if (Array.isArray(value)) {
    return value.every(function (val) { return validate$e(val, options); });
  }

  return toArray(options).some(function (item) {
    // eslint-disable-next-line
    return item == value;
  });
};

var included = {
  validate: validate$e
};

var validate$f = function () {
  var args = [], len = arguments.length;
  while ( len-- ) args[ len ] = arguments[ len ];

  return !validate$e.apply(void 0, args);
};

var excluded = {
  validate: validate$f
};

var validate$g = function (files, extensions) {
  var regex = new RegExp((".(" + (extensions.join('|')) + ")$"), 'i');
  return ensureArray(files).every(function (file) { return regex.test(file.name); });
};

var ext = {
  validate: validate$g
};

var validate$h = function (files) { return (Array.isArray(files) ? files : [files]).every(function (file) { return /\.(jpg|svg|jpeg|png|bmp|gif)$/i.test(file.name); }); };

var image = {
  validate: validate$h
};

var validate$i = function (value) {
  if (Array.isArray(value)) {
    return value.every(function (val) { return /^-?[0-9]+$/.test(String(val)); });
  }

  return /^-?[0-9]+$/.test(String(value));
};

var integer = {
  validate: validate$i
};

var validate$j = function (value, ref) {
  if ( ref === void 0 ) ref = {};
  var version = ref.version; if ( version === void 0 ) version = 4;

  if (isNullOrUndefined(value)) {
    value = '';
  }

  if (Array.isArray(value)) {
    return value.every(function (val) { return isIP(val, version); });
  }

  return isIP(value, version);
};

var paramNames$b = ['version'];

var ip = {
  validate: validate$j,
  paramNames: paramNames$b
};

var validate$k = function (value) {
  if (isNullOrUndefined(value)) {
    value = '';
  }

  if (Array.isArray(value)) {
    return value.every(function (val) { return (isIP(val, '') || isFQDN(val)); });
  }

  return isIP(value, '') || isFQDN(value);
};

var ip_or_fqdn = {
  validate: validate$k
};

var validate$l = function (value, ref) {
  if ( ref === void 0 ) ref = [];
  var other = ref[0];

  return value === other;
};

var is = {
  validate: validate$l
};

var validate$m = function (value, ref) {
  if ( ref === void 0 ) ref = [];
  var other = ref[0];

  return value !== other;
};

var is_not = {
  validate: validate$m
};

/**
 * @param {Array|String} value
 * @param {Number} length
 * @param {Number} max
 */
var compare = function (value, length, max) {
  if (max === undefined) {
    return value.length === length;
  }

  // cast to number.
  max = Number(max);

  return value.length >= length && value.length <= max;
};

var validate$n = function (value, ref) {
  var length = ref[0];
  var max = ref[1]; if ( max === void 0 ) max = undefined;

  if (isNullOrUndefined(value)) {
    return false;
  }

  length = Number(length);
  if (typeof value === 'number') {
    value = String(value);
  }

  if (!value.length) {
    value = toArray(value);
  }

  return compare(value, length, max);
};

var length = {
  validate: validate$n
};

var validate$o = function (value, ref) {
  var length = ref[0];

  if (isNullOrUndefined(value)) {
    return length >= 0;
  }

  if (Array.isArray(value)) {
    return value.every(function (val) { return validate$o(val, [length]); });
  }

  return String(value).length <= length;
};

var max = {
  validate: validate$o
};

var validate$p = function (value, ref) {
  var max = ref[0];

  if (isNullOrUndefined(value) || value === '') {
    return false;
  }

  if (Array.isArray(value)) {
    return value.length > 0 && value.every(function (val) { return validate$p(val, [max]); });
  }

  return Number(value) <= max;
};

var max_value = {
  validate: validate$p
};

var validate$q = function (files, mimes) {
  var regex = new RegExp(((mimes.join('|').replace('*', '.+')) + "$"), 'i');
  return ensureArray(files).every(function (file) { return regex.test(file.type); });
};

var mimes = {
  validate: validate$q
};

var validate$r = function (value, ref) {
  var length = ref[0];

  if (isNullOrUndefined(value)) {
    return false;
  }

  if (Array.isArray(value)) {
    return value.every(function (val) { return validate$r(val, [length]); });
  }

  return String(value).length >= length;
};

var min = {
  validate: validate$r
};

var validate$s = function (value, ref) {
  var min = ref[0];

  if (isNullOrUndefined(value) || value === '') {
    return false;
  }

  if (Array.isArray(value)) {
    return value.length > 0 && value.every(function (val) { return validate$s(val, [min]); });
  }

  return Number(value) >= min;
};

var min_value = {
  validate: validate$s
};

var ar = /^[٠١٢٣٤٥٦٧٨٩]+$/;
var en = /^[0-9]+$/;

var validate$t = function (value) {
  var testValue = function (val) {
    var strValue = String(val);

    return en.test(strValue) || ar.test(strValue);
  };

  if (Array.isArray(value)) {
    return value.every(testValue);
  }

  return testValue(value);
};

var numeric = {
  validate: validate$t
};

var validate$u = function (value, ref) {
  var expression = ref.expression;

  if (typeof expression === 'string') {
    expression = new RegExp(expression);
  }

  if (Array.isArray(value)) {
    return value.every(function (val) { return validate$u(val, { expression: expression }); });
  }

  return expression.test(String(value));
};

var paramNames$c = ['expression'];

var regex = {
  validate: validate$u,
  paramNames: paramNames$c
};

var validate$v = function (value, ref) {
  if ( ref === void 0 ) ref = [];
  var invalidateFalse = ref[0]; if ( invalidateFalse === void 0 ) invalidateFalse = false;

  if (isNullOrUndefined(value) || isEmptyArray(value)) {
    return false;
  }

  // incase a field considers `false` as an empty value like checkboxes.
  if (value === false && invalidateFalse) {
    return false;
  }

  return !!String(value).trim().length;
};

var required = {
  validate: validate$v
};

var validate$w = function (value, ref) {
  if ( ref === void 0 ) ref = [];
  var otherFieldVal = ref[0];
  var possibleVals = ref.slice(1);

  var required = possibleVals.includes(String(otherFieldVal).trim());

  if (!required) {
    return {
      valid: true,
      data: {
        required: required
      }
    };
  }

  var invalid = (isEmptyArray(value) || [false, null, undefined].includes(value));

  invalid = invalid || !String(value).trim().length;

  return {
    valid: !invalid,
    data: {
      required: required
    }
  };
};

var options$5 = {
  hasTarget: true,
  computesRequired: true
};

var required_if = {
  validate: validate$w,
  options: options$5
};

var validate$x = function (files, ref) {
  var size = ref[0];

  if (isNaN(size)) {
    return false;
  }
  var nSize = Number(size) * 1024;
  return ensureArray(files).every(function (file) { return file.size <= nSize; });
};

var size = {
  validate: validate$x
};

var isURL_1 = createCommonjsModule(function (module, exports) {

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = isURL;

var _assertString = _interopRequireDefault(assertString_1);

var _isFQDN = _interopRequireDefault(isFQDN_1);

var _isIP = _interopRequireDefault(isIP_1);

var _merge = _interopRequireDefault(merge_1);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var default_url_options = {
  protocols: ['http', 'https', 'ftp'],
  require_tld: true,
  require_protocol: false,
  require_host: true,
  require_valid_protocol: true,
  allow_underscores: false,
  allow_trailing_dot: false,
  allow_protocol_relative_urls: false
};
var wrapped_ipv6 = /^\[([^\]]+)\](?::([0-9]+))?$/;

function isRegExp(obj) {
  return Object.prototype.toString.call(obj) === '[object RegExp]';
}

function checkHost(host, matches) {
  for (var i = 0; i < matches.length; i++) {
    var match = matches[i];

    if (host === match || isRegExp(match) && match.test(host)) {
      return true;
    }
  }

  return false;
}

function isURL(url, options) {
  (0, _assertString.default)(url);

  if (!url || url.length >= 2083 || /[\s<>]/.test(url)) {
    return false;
  }

  if (url.indexOf('mailto:') === 0) {
    return false;
  }

  options = (0, _merge.default)(options, default_url_options);
  var protocol, auth, host, hostname, port, port_str, split, ipv6;
  split = url.split('#');
  url = split.shift();
  split = url.split('?');
  url = split.shift();
  split = url.split('://');

  if (split.length > 1) {
    protocol = split.shift().toLowerCase();

    if (options.require_valid_protocol && options.protocols.indexOf(protocol) === -1) {
      return false;
    }
  } else if (options.require_protocol) {
    return false;
  } else if (url.substr(0, 2) === '//') {
    if (!options.allow_protocol_relative_urls) {
      return false;
    }

    split[0] = url.substr(2);
  }

  url = split.join('://');

  if (url === '') {
    return false;
  }

  split = url.split('/');
  url = split.shift();

  if (url === '' && !options.require_host) {
    return true;
  }

  split = url.split('@');

  if (split.length > 1) {
    if (options.disallow_auth) {
      return false;
    }

    auth = split.shift();

    if (auth.indexOf(':') >= 0 && auth.split(':').length > 2) {
      return false;
    }
  }

  hostname = split.join('@');
  port_str = null;
  ipv6 = null;
  var ipv6_match = hostname.match(wrapped_ipv6);

  if (ipv6_match) {
    host = '';
    ipv6 = ipv6_match[1];
    port_str = ipv6_match[2] || null;
  } else {
    split = hostname.split(':');
    host = split.shift();

    if (split.length) {
      port_str = split.join(':');
    }
  }

  if (port_str !== null) {
    port = parseInt(port_str, 10);

    if (!/^[0-9]+$/.test(port_str) || port <= 0 || port > 65535) {
      return false;
    }
  }

  if (!(0, _isIP.default)(host) && !(0, _isFQDN.default)(host, options) && (!ipv6 || !(0, _isIP.default)(ipv6, 6))) {
    return false;
  }

  host = host || ipv6;

  if (options.host_whitelist && !checkHost(host, options.host_whitelist)) {
    return false;
  }

  if (options.host_blacklist && checkHost(host, options.host_blacklist)) {
    return false;
  }

  return true;
}

module.exports = exports.default;
module.exports.default = exports.default;
});

var isURL = unwrapExports(isURL_1);

var validate$y = function (value, options) {
  if ( options === void 0 ) options = {};

  if (isNullOrUndefined(value)) {
    value = '';
  }

  var validatorOptions = assign({}, options);

  if (Array.isArray(value)) {
    return value.every(function (val) { return isURL(val, validatorOptions); });
  }

  return isURL(value, validatorOptions);
};

var url = {
  validate: validate$y
};

/* eslint-disable camelcase */

var Rules = /*#__PURE__*/Object.freeze({
  after: after,
  alpha_dash: alpha_dash,
  alpha_num: alpha_num,
  alpha_spaces: alpha_spaces,
  alpha: alpha$1,
  before: before,
  between: between,
  confirmed: confirmed,
  credit_card: credit_card,
  date_between: date_between,
  date_format: date_format,
  decimal: decimal,
  digits: digits,
  dimensions: dimensions,
  email: email,
  ext: ext,
  image: image,
  included: included,
  integer: integer,
  length: length,
  ip: ip,
  ip_or_fqdn: ip_or_fqdn,
  is_not: is_not,
  is: is,
  max: max,
  max_value: max_value,
  mimes: mimes,
  min: min,
  min_value: min_value,
  excluded: excluded,
  numeric: numeric,
  regex: regex,
  required: required,
  required_if: required_if,
  size: size,
  url: url
});

// 

var normalize = function (fields) {
  if (Array.isArray(fields)) {
    return fields.reduce(function (prev, curr) {
      if (includes(curr, '.')) {
        prev[curr.split('.')[1]] = curr;
      } else {
        prev[curr] = curr;
      }

      return prev;
    }, {});
  }

  return fields;
};

// Combines two flags using either AND or OR depending on the flag type.
var combine = function (lhs, rhs) {
  var mapper = {
    pristine: function (lhs, rhs) { return lhs && rhs; },
    dirty: function (lhs, rhs) { return lhs || rhs; },
    touched: function (lhs, rhs) { return lhs || rhs; },
    untouched: function (lhs, rhs) { return lhs && rhs; },
    valid: function (lhs, rhs) { return lhs && rhs; },
    invalid: function (lhs, rhs) { return lhs || rhs; },
    pending: function (lhs, rhs) { return lhs || rhs; },
    required: function (lhs, rhs) { return lhs || rhs; },
    validated: function (lhs, rhs) { return lhs && rhs; }
  };

  return Object.keys(mapper).reduce(function (flags, flag) {
    flags[flag] = mapper[flag](lhs[flag], rhs[flag]);

    return flags;
  }, {});
};

var mapScope = function (scope, deep) {
  if ( deep === void 0 ) deep = true;

  return Object.keys(scope).reduce(function (flags, field) {
    if (!flags) {
      flags = assign({}, scope[field]);
      return flags;
    }

    // scope.
    var isScope = field.indexOf('$') === 0;
    if (deep && isScope) {
      return combine(mapScope(scope[field]), flags);
    } else if (!deep && isScope) {
      return flags;
    }

    flags = combine(flags, scope[field]);

    return flags;
  }, null);
};

/**
 * Maps fields to computed functions.
 */
var mapFields = function (fields) {
  if (!fields) {
    return function () {
      return mapScope(this.$validator.flags);
    };
  }

  var normalized = normalize(fields);
  return Object.keys(normalized).reduce(function (prev, curr) {
    var field = normalized[curr];
    prev[curr] = function mappedField () {
      // if field exists
      if (this.$validator.flags[field]) {
        return this.$validator.flags[field];
      }

      // scopeless fields were selected.
      if (normalized[curr] === '*') {
        return mapScope(this.$validator.flags, false);
      }

      // if it has a scope defined
      var index = field.indexOf('.');
      if (index <= 0) {
        return {};
      }

      var ref = field.split('.');
      var scope = ref[0];
      var name = ref.slice(1);

      scope = this.$validator.flags[("$" + scope)];
      name = name.join('.');

      // an entire scope was selected: scope.*
      if (name === '*' && scope) {
        return mapScope(scope);
      }

      if (scope && scope[name]) {
        return scope[name];
      }

      return {};
    };

    return prev;
  }, {});
};

var $validator = null;

var PROVIDER_COUNTER = 0;

var ValidationProvider = {
  $__veeInject: false,
  inject: {
    $_veeObserver: {
      from: '$_veeObserver',
      default: function default$1 () {
        if (!this.$vnode.context.$_veeObserver) {
          this.$vnode.context.$_veeObserver = createObserver();
        }

        return this.$vnode.context.$_veeObserver;
      }
    }
  },
  props: {
    vid: {
      type: [String, Number],
      default: function () {
        PROVIDER_COUNTER++;

        return ("_vee_" + PROVIDER_COUNTER);
      }
    },
    name: {
      type: String,
      default: null
    },
    mode: {
      type: [String, Function],
      default: function () {
        return getConfig().mode;
      }
    },
    events: {
      type: Array,
      validate: function () {
        /* istanbul ignore next */
        if (true) {
          warn('events prop and config will be deprecated in future version please use the interaction modes instead');
        }

        return true;
      },
      default: function () {
        var events = getConfig().events;
        if (typeof events === 'string') {
          return events.split('|');
        }

        return events;
      }
    },
    rules: {
      type: [Object, String],
      default: null
    },
    immediate: {
      type: Boolean,
      default: false
    },
    persist: {
      type: Boolean,
      default: false
    },
    bails: {
      type: Boolean,
      default: function () { return getConfig().fastExit; }
    },
    debounce: {
      type: Number,
      default: function () { return getConfig().delay || 0; }
    },
    tag: {
      type: String,
      default: 'span'
    },
    slim: {
      type: Boolean,
      default: false
    }
  },
  watch: {
    rules: {
      deep: true,
      handler: function handler (val, oldVal) {
        this._needsValidation = !isEqual(val, oldVal);
      }
    }
  },
  data: function () { return ({
    messages: [],
    value: undefined,
    initialized: false,
    initialValue: undefined,
    flags: createFlags(),
    failedRules: {},
    forceRequired: false,
    isDeactivated: false,
    id: null
  }); },
  computed: {
    isValid: function isValid () {
      return this.flags.valid;
    },
    fieldDeps: function fieldDeps () {
      var this$1 = this;

      var rules = normalizeRules(this.rules);

      return Object.keys(rules).filter(RuleContainer.isTargetRule).map(function (rule) {
        var depName = rules[rule][0];
        watchCrossFieldDep(this$1, depName);

        return depName;
      });
    },
    normalizedEvents: function normalizedEvents () {
      var this$1 = this;

      var ref = computeModeSetting(this);
      var on = ref.on;

      return normalizeEvents(on || this.events || []).map(function (e) {
        if (e === 'input') {
          return this$1._inputEventName;
        }

        return e;
      });
    },
    isRequired: function isRequired () {
      var rules = normalizeRules(this.rules);
      var forceRequired = this.forceRequired;

      var isRequired = rules.required || forceRequired;
      this.flags.required = isRequired;

      return isRequired;
    },
    classes: function classes () {
      var this$1 = this;

      var names = getConfig().classNames;
      return Object.keys(this.flags).reduce(function (classes, flag) {
        var className = (names && names[flag]) || flag;
        if (isNullOrUndefined(this$1.flags[flag])) {
          return classes;
        }

        if (className) {
          classes[className] = this$1.flags[flag];
        }

        return classes;
      }, {});
    }
  },
  render: function render (h) {
    var this$1 = this;

    this.registerField();
    var ctx = createValidationCtx(this);

    // Gracefully handle non-existent scoped slots.
    var slot = this.$scopedSlots.default;
    /* istanbul ignore next */
    if (!isCallable(slot)) {
      if (true) {
        warn('ValidationProvider expects a scoped slot. Did you forget to add "v-slot" to your slot?');
      }

      return h(this.tag, this.$slots.default);
    }

    var nodes = slot(ctx);
    // Handle single-root slot.
    extractVNodes(nodes).forEach(function (input) {
      addListeners.call(this$1, input);
    });

    return this.slim ? createRenderless(h, nodes) : h(this.tag, nodes);
  },
  beforeDestroy: function beforeDestroy () {
    // cleanup reference.
    this.$_veeObserver.unsubscribe(this);
  },
  activated: function activated () {
    this.$_veeObserver.subscribe(this);
    this.isDeactivated = false;
  },
  deactivated: function deactivated () {
    this.$_veeObserver.unsubscribe(this);
    this.isDeactivated = true;
  },
  methods: {
    setFlags: function setFlags (flags) {
      var this$1 = this;

      Object.keys(flags).forEach(function (flag) {
        this$1.flags[flag] = flags[flag];
      });
    },
    syncValue: function syncValue (e) {
      var value = normalizeValue$1(e);
      this.value = value;
      this.flags.changed = this.initialValue !== value;
    },
    reset: function reset () {
      this.messages = [];
      this._pendingValidation = null;
      this.initialValue = this.value;
      var flags = createFlags();
      this.setFlags(flags);
    },
    validate: function validate () {
      var this$1 = this;
      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];

      if (args.length > 0) {
        this.syncValue(args[0]);
      }

      return this.validateSilent().then(function (result) {
        this$1.applyResult(result);

        return result;
      });
    },
    validateSilent: function validateSilent () {
      var this$1 = this;

      this.setFlags({ pending: true });

      return $validator.verify(this.value, this.rules, {
        name: this.name,
        values: createValuesLookup(this),
        bails: this.bails
      }).then(function (result) {
        this$1.setFlags({ pending: false });
        if (!this$1.isRequired) {
          this$1.setFlags({ valid: result.valid, invalid: !result.valid });
        }

        return result;
      });
    },
    applyResult: function applyResult (ref) {
      var errors = ref.errors;
      var failedRules = ref.failedRules;

      this.messages = errors;
      this.failedRules = assign({}, failedRules);
      this.setFlags({
        valid: !errors.length,
        changed: this.value !== this.initialValue,
        invalid: !!errors.length,
        validated: true
      });
    },
    registerField: function registerField () {
      if (!$validator) {
        $validator = getValidator() || new Validator(null, { fastExit: getConfig().fastExit });
      }

      updateRenderingContextRefs(this);
    }
  }
};

function createValidationCtx (ctx) {
  return {
    errors: ctx.messages,
    flags: ctx.flags,
    classes: ctx.classes,
    valid: ctx.isValid,
    failedRules: ctx.failedRules,
    reset: function () { return ctx.reset(); },
    validate: function () {
      var args = [], len = arguments.length;
      while ( len-- ) args[ len ] = arguments[ len ];

      return ctx.validate.apply(ctx, args);
  },
    aria: {
      'aria-invalid': ctx.flags.invalid ? 'true' : 'false',
      'aria-required': ctx.isRequired ? 'true' : 'false'
    }
  };
}

function normalizeValue$1 (value) {
  if (isEvent(value)) {
    return value.target.type === 'file' ? toArray(value.target.files) : value.target.value;
  }

  return value;
}

/**
 * Determines if a provider needs to run validation.
 */
function shouldValidate (ctx, model) {
  // when an immediate/initial validation is needed and wasn't done before.
  if (!ctx._ignoreImmediate && ctx.immediate) {
    return true;
  }

  // when the value changes for whatever reason.
  if (ctx.value !== model.value) {
    return true;
  }

  // when it needs validation due to props/cross-fields changes.
  if (ctx._needsValidation) {
    return true;
  }

  // when the initial value is undefined and the field wasn't rendered yet.
  if (!ctx.initialized && model.value === undefined) {
    return true;
  }

  return false;
}

function computeModeSetting (ctx) {
  var compute = isCallable(ctx.mode) ? ctx.mode : modes[ctx.mode];

  return compute({
    errors: ctx.messages,
    value: ctx.value,
    flags: ctx.flags
  });
}

function onRenderUpdate (model) {
  if (!this.initialized) {
    this.initialValue = model.value;
  }

  var validateNow = shouldValidate(this, model);
  this._needsValidation = false;
  this.value = model.value;
  this._ignoreImmediate = true;

  if (!validateNow) {
    return;
  }

  this.validateSilent().then(this.immediate || this.flags.validated ? this.applyResult : function (x) { return x; });
}

// Creates the common handlers for a validatable context.
function createCommonHandlers (ctx) {
  var onInput = function (e) {
    ctx.syncValue(e); // track and keep the value updated.
    ctx.setFlags({ dirty: true, pristine: false });
  };

  // Blur event listener.
  var onBlur = function () {
    ctx.setFlags({ touched: true, untouched: false });
  };

  var onValidate = ctx.$veeHandler;
  var mode = computeModeSetting(ctx);

  // Handle debounce changes.
  if (!onValidate || ctx.$veeDebounce !== ctx.debounce) {
    onValidate = debounce(
      function () {
        ctx.$nextTick(function () {
          var pendingPromise = ctx.validateSilent();
          // avoids race conditions between successive validations.
          ctx._pendingValidation = pendingPromise;
          pendingPromise.then(function (result) {
            if (pendingPromise === ctx._pendingValidation) {
              ctx.applyResult(result);
              ctx._pendingValidation = null;
            }
          });
        });
      },
      mode.debounce || ctx.debounce
    );

    // Cache the handler so we don't create it each time.
    ctx.$veeHandler = onValidate;
    // cache the debounce value so we detect if it was changed.
    ctx.$veeDebounce = ctx.debounce;
  }

  return { onInput: onInput, onBlur: onBlur, onValidate: onValidate };
}

// Adds all plugin listeners to the vnode.
function addListeners (node) {
  var model = findModel(node);
  // cache the input eventName.
  this._inputEventName = this._inputEventName || getInputEventName(node, model);

  onRenderUpdate.call(this, model);

  var ref = createCommonHandlers(this);
  var onInput = ref.onInput;
  var onBlur = ref.onBlur;
  var onValidate = ref.onValidate;
  addVNodeListener(node, this._inputEventName, onInput);
  addVNodeListener(node, 'blur', onBlur);

  // add the validation listeners.
  this.normalizedEvents.forEach(function (evt) {
    addVNodeListener(node, evt, onValidate);
  });

  this.initialized = true;
}

function createValuesLookup (ctx) {
  var providers = ctx.$_veeObserver.refs;

  return ctx.fieldDeps.reduce(function (acc, depName) {
    if (!providers[depName]) {
      return acc;
    }

    acc[depName] = providers[depName].value;

    return acc;
  }, {});
}

function updateRenderingContextRefs (ctx) {
  // IDs should not be nullable.
  if (isNullOrUndefined(ctx.id) && ctx.id === ctx.vid) {
    ctx.id = PROVIDER_COUNTER;
    PROVIDER_COUNTER++;
  }

  var id = ctx.id;
  var vid = ctx.vid;
  // Nothing has changed.
  if (ctx.isDeactivated || (id === vid && ctx.$_veeObserver.refs[id])) {
    return;
  }

  // vid was changed.
  if (id !== vid && ctx.$_veeObserver.refs[id] === ctx) {
    ctx.$_veeObserver.unsubscribe({ vid: id });
  }

  ctx.$_veeObserver.subscribe(ctx);
  ctx.id = vid;
}

function createObserver () {
  return {
    refs: {},
    subscribe: function subscribe (ctx) {
      this.refs[ctx.vid] = ctx;
    },
    unsubscribe: function unsubscribe (ctx) {
      delete this.refs[ctx.vid];
    }
  };
}

function watchCrossFieldDep (ctx, depName, withHooks) {
  if ( withHooks === void 0 ) withHooks = true;

  var providers = ctx.$_veeObserver.refs;
  if (!ctx._veeWatchers) {
    ctx._veeWatchers = {};
  }

  if (!providers[depName] && withHooks) {
    return ctx.$once('hook:mounted', function () {
      watchCrossFieldDep(ctx, depName, false);
    });
  }

  if (!isCallable(ctx._veeWatchers[depName]) && providers[depName]) {
    ctx._veeWatchers[depName] = providers[depName].$watch('value', function () {
      if (ctx.flags.validated) {
        ctx._needsValidation = true;
        ctx.validate();
      }
    });
  }
}

var flagMergingStrategy = {
  pristine: 'every',
  dirty: 'some',
  touched: 'some',
  untouched: 'every',
  valid: 'every',
  invalid: 'some',
  pending: 'some',
  validated: 'every'
};

function mergeFlags (lhs, rhs, strategy) {
  var stratName = flagMergingStrategy[strategy];

  return [lhs, rhs][stratName](function (f) { return f; });
}

var OBSERVER_COUNTER = 0;

var ValidationObserver = {
  name: 'ValidationObserver',
  provide: function provide () {
    return {
      $_veeObserver: this
    };
  },
  inject: {
    $_veeObserver: {
      from: '$_veeObserver',
      default: function default$1 () {
        if (!this.$vnode.context.$_veeObserver) {
          return null;
        }

        return this.$vnode.context.$_veeObserver;
      }
    }
  },
  props: {
    tag: {
      type: String,
      default: 'span'
    },
    slim: {
      type: Boolean,
      default: false
    }
  },
  data: function () { return ({
    vid: ("obs_" + (OBSERVER_COUNTER++)),
    refs: {},
    observers: [],
    persistedStore: {}
  }); },
  computed: {
    ctx: function ctx () {
      var this$1 = this;

      var ctx = {
        errors: {},
        validate: function (arg) {
          var promise = this$1.validate(arg);

          return {
            then: function then (thenable) {
              return promise.then(function (success) {
                if (success && isCallable(thenable)) {
                  return Promise.resolve(thenable());
                }

                return Promise.resolve(success);
              });
            }
          };
        },
        reset: function () { return this$1.reset(); }
      };

      return values(this.refs).concat( Object.keys(this.persistedStore).map(function (key) {
          return {
            vid: key,
            flags: this$1.persistedStore[key].flags,
            messages: this$1.persistedStore[key].errors
          };
        }),
        this.observers ).reduce(function (acc, provider) {
        Object.keys(flagMergingStrategy).forEach(function (flag) {
          var flags = provider.flags || provider.ctx;
          if (!(flag in acc)) {
            acc[flag] = flags[flag];
            return;
          }

          acc[flag] = mergeFlags(acc[flag], flags[flag], flag);
        });

        acc.errors[provider.vid] = provider.messages || values(provider.ctx.errors).reduce(function (errs, obsErrors) {
          return errs.concat(obsErrors);
        }, []);

        return acc;
      }, ctx);
    }
  },
  created: function created () {
    if (this.$_veeObserver) {
      this.$_veeObserver.subscribe(this, 'observer');
    }
  },
  activated: function activated () {
    if (this.$_veeObserver) {
      this.$_veeObserver.subscribe(this, 'observer');
    }
  },
  deactivated: function deactivated () {
    if (this.$_veeObserver) {
      this.$_veeObserver.unsubscribe(this, 'observer');
    }
  },
  beforeDestroy: function beforeDestroy () {
    if (this.$_veeObserver) {
      this.$_veeObserver.unsubscribe(this, 'observer');
    }
  },
  render: function render (h) {
    var slots = this.$slots.default || this.$scopedSlots.default || [];
    if (isCallable(slots)) {
      slots = slots(this.ctx);
    }

    return this.slim ? createRenderless(h, slots) : h(this.tag, { on: this.$listeners, attrs: this.$attrs }, slots);
  },
  methods: {
    subscribe: function subscribe (subscriber, kind) {
      var obj;

      if ( kind === void 0 ) kind = 'provider';
      if (kind === 'observer') {
        this.observers.push(subscriber);
        return;
      }

      this.refs = Object.assign({}, this.refs, ( obj = {}, obj[subscriber.vid] = subscriber, obj ));
      if (subscriber.persist && this.persistedStore[subscriber.vid]) {
        this.restoreProviderState(subscriber);
      }
    },
    unsubscribe: function unsubscribe (ref, kind) {
      var vid = ref.vid;
      if ( kind === void 0 ) kind = 'provider';

      if (kind === 'provider') {
        this.removeProvider(vid);
      }

      var idx = findIndex(this.observers, function (o) { return o.vid === vid; });
      if (idx !== -1) {
        this.observers.splice(idx, 1);
      }
    },
    validate: function validate (ref) {
      if ( ref === void 0 ) ref = { silent: false };
      var silent = ref.silent;

      return Promise.all(values(this.refs).map(function (ref) { return ref[silent ? 'validateSilent' : 'validate']().then(function (r) { return r.valid; }); }).concat( this.observers.map(function (obs) { return obs.validate({ silent: silent }); })
      )).then(function (results) { return results.every(function (r) { return r; }); });
    },
    reset: function reset () {
      var this$1 = this;

      Object.keys(this.persistedStore).forEach(function (key) {
        this$1.$delete(this$1.persistedStore, key);
      });
      return values(this.refs).concat( this.observers).forEach(function (ref) { return ref.reset(); });
    },
    restoreProviderState: function restoreProviderState (provider) {
      var state = this.persistedStore[provider.vid];
      provider.setFlags(state.flags);
      provider.applyResult(state);
      this.$delete(this.persistedStore, provider.vid);
    },
    removeProvider: function removeProvider (vid) {
      var obj;

      var provider = this.refs[vid];
      // save it for the next time.
      if (provider && provider.persist) {
        /* istanbul ignore else */
        if (true) {
          if (vid.indexOf('_vee_') === 0) {
            warn('Please provide a `vid` prop when using `persist`, there might be unexpected issues otherwise.');
          }
        }

        this.persistedStore = assign({}, this.persistedStore, ( obj = {}, obj[vid] = {
            flags: provider.flags,
            errors: provider.messages,
            failedRules: provider.failedRules
          }, obj ));
      }

      this.$delete(this.refs, vid);
    },
  }
};

function withValidation (component, ctxToProps) {
  if ( ctxToProps === void 0 ) ctxToProps = null;

  var options = isCallable(component) ? component.options : component;
  options.$__veeInject = false;
  var hoc = {
    name: ((options.name || 'AnonymousHoc') + "WithValidation"),
    props: assign({}, ValidationProvider.props),
    data: ValidationProvider.data,
    computed: assign({}, ValidationProvider.computed),
    methods: assign({}, ValidationProvider.methods),
    $__veeInject: false,
    beforeDestroy: ValidationProvider.beforeDestroy,
    inject: ValidationProvider.inject
  };

  // Default ctx converts ctx props to component props.
  if (!ctxToProps) {
    ctxToProps = function (ctx) { return ctx; };
  }

  var eventName = (options.model && options.model.event) || 'input';

  hoc.render = function (h) {
    var obj;

    this.registerField();
    var vctx = createValidationCtx(this);
    var listeners = assign({}, this.$listeners);

    var model = findModel(this.$vnode);
    this._inputEventName = this._inputEventName || getInputEventName(this.$vnode, model);
    onRenderUpdate.call(this, model);

    var ref = createCommonHandlers(this);
    var onInput = ref.onInput;
    var onBlur = ref.onBlur;
    var onValidate = ref.onValidate;

    mergeVNodeListeners(listeners, eventName, onInput);
    mergeVNodeListeners(listeners, 'blur', onBlur);
    this.normalizedEvents.forEach(function (evt, idx) {
      mergeVNodeListeners(listeners, evt, onValidate);
    });

    // Props are any attrs not associated with ValidationProvider Plus the model prop.
    // WARNING: Accidental prop overwrite will probably happen.
    var ref$1 = findModelConfig(this.$vnode) || { prop: 'value' };
    var prop = ref$1.prop;
    var props = assign({}, this.$attrs, ( obj = {}, obj[prop] = model.value, obj ), ctxToProps(vctx));

    return h(options, {
      attrs: this.$attrs,
      props: props,
      on: listeners
    }, normalizeSlots(this.$slots, this.$vnode.context));
  };

  return hoc;
}

var version = '2.2.15';

Object.keys(Rules).forEach(function (rule) {
  Validator.extend(rule, Rules[rule].validate, assign({}, Rules[rule].options, { paramNames: Rules[rule].paramNames }));
});

// Merge the english messages.
Validator.localize({ en: locale });

var install = VeeValidate$1.install;

VeeValidate$1.version = version;
VeeValidate$1.mapFields = mapFields;
VeeValidate$1.ValidationProvider = ValidationProvider;
VeeValidate$1.ValidationObserver = ValidationObserver;
VeeValidate$1.withValidation = withValidation;

/* harmony default export */ __webpack_exports__["default"] = (VeeValidate$1);



/***/ }),

/***/ "./node_modules/vue-filter-date-format/dist/vue-filter-date-format.esm.js":
/*!********************************************************************************!*\
  !*** ./node_modules/vue-filter-date-format/dist/vue-filter-date-format.esm.js ***!
  \********************************************************************************/
/*! exports provided: default, dateFormat */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "dateFormat", function() { return dateFormat; });
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0

THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.

See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */

var __assign = function() {
    __assign = Object.assign || function __assign(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};

var version = "1.3.1";

var padZeros = function (input, maxLength) {
    if (maxLength === void 0) { maxLength = 0; }
    return ("0000" + input).slice(-maxLength);
};
var defaultConfig = {
    dayOfWeekNames: [
        'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday',
        'Friday', 'Saturday'
    ],
    dayOfWeekNamesShort: [
        'Su', 'Mo', 'Tu', 'We', 'Tr', 'Fr', 'Sa'
    ],
    monthNames: [
        'January', 'February', 'March', 'April', 'May', 'June',
        'July', 'August', 'September', 'October', 'November', 'December'
    ],
    monthNamesShort: [
        'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
        'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'
    ]
};
var dateFormat = function (input, format, config) {
    if (format === void 0) { format = 'YYYY.MM.DD HH:mm:ss'; }
    if (config === void 0) { config = {}; }
    config = __assign(__assign({}, defaultConfig), config);
    var year = input.getFullYear();
    var month = input.getMonth() + 1;
    var date = input.getDate();
    var hours24 = input.getHours();
    var hours12 = hours24 % 12 === 0 ? 12 : hours24 % 12;
    var minutes = input.getMinutes();
    var seconds = input.getSeconds();
    var weekday = input.getDay();
    return format
        // Normalize tokens
        .replace('YYYY', '%01%')
        .replace('YY', '%02%')
        .replace('MMMM', '%03%')
        .replace('MMM', '%04%')
        .replace('MM', '%05%')
        .replace('M', '%06%')
        .replace('DD', '%07%')
        .replace('D', '%08%')
        .replace('HH', '%09%')
        .replace('H', '%10%')
        .replace('hh', '%11%')
        .replace('h', '%12%')
        .replace('mm', '%13%')
        .replace('m', '%14%')
        .replace('ss', '%15%')
        .replace('s', '%16%')
        .replace('A', '%17%')
        .replace('a', '%18%')
        .replace('dddd', '%19%')
        .replace('dd', '%20%')
        .replace('d', '%21%')
        // Insert values
        .replace('%01%', padZeros(year, 4))
        .replace('%02%', padZeros(year % 100, 2))
        .replace('%03%', config.monthNames[month - 1])
        .replace('%04%', config.monthNamesShort[month - 1])
        .replace('%05%', padZeros(month, 2))
        .replace('%06%', "" + month)
        .replace('%07%', padZeros(date, 2))
        .replace('%08%', "" + date)
        .replace('%09%', padZeros(hours24, 2))
        .replace('%10%', "" + hours24)
        .replace('%11%', padZeros(hours12, 2))
        .replace('%12%', "" + hours12)
        .replace('%13%', padZeros(minutes, 2))
        .replace('%14%', "" + minutes)
        .replace('%15%', padZeros(seconds, 2))
        .replace('%16%', "" + seconds)
        .replace('%17%', hours24 < 12 ? 'AM' : 'PM')
        .replace('%18%', hours24 < 12 ? 'am' : 'pm')
        .replace('%19%', config.dayOfWeekNames[weekday])
        .replace('%20%', config.dayOfWeekNamesShort[weekday])
        .replace('%21%', "" + weekday);
};

var main = {
    install: function (Vue, baseConfig) {
        Vue.filter('dateFormat', function (date, format, config) {
            if (config === void 0) { config = {}; }
            return dateFormat(date, format, __assign(__assign({}, baseConfig), config));
        });
    },
    version: version
};

/* harmony default export */ __webpack_exports__["default"] = (main);



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/assignments/assignment-edit.vue?vue&type=template&id=803a7674&":
/*!******************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/assignments/assignment-edit.vue?vue&type=template&id=803a7674& ***!
  \******************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _c(
      "form",
      {
        on: {
          submit: function($event) {
            $event.preventDefault()
            return _vm.submit($event)
          }
        }
      },
      [
        _c("div", { staticClass: "md:w-3/4 m-auto py-6 px-8 mb-8" }, [
          _c("input", {
            attrs: { type: "hidden", name: "_token" },
            domProps: { value: _vm.csrf }
          }),
          _vm._v(" "),
          _c("div", { staticClass: "mx-auto w-full mb-10" }, [
            _c("p", { staticClass: "mb-4" }, [
              _c(
                "label",
                {
                  staticClass: "mb-2  uppercase font-bold text-sm",
                  attrs: { for: "name" }
                },
                [_vm._v("Name")]
              ),
              _vm._v(" "),
              _c("br"),
              _vm._v(" "),
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.shownAssignment.name,
                    expression: "shownAssignment.name"
                  }
                ],
                staticClass: "border-b w-full p-2",
                attrs: { id: "name", type: "text", name: "name", required: "" },
                domProps: { value: _vm.shownAssignment.name },
                on: {
                  input: function($event) {
                    if ($event.target.composing) {
                      return
                    }
                    _vm.$set(_vm.shownAssignment, "name", $event.target.value)
                  }
                }
              })
            ]),
            _vm._v(" "),
            _c("p", { staticClass: "mb-4" }, [
              _c(
                "label",
                {
                  staticClass: "mb-2  uppercase font-bold text-sm",
                  attrs: { for: "description" }
                },
                [_vm._v("Description")]
              ),
              _vm._v(" "),
              _c("br"),
              _vm._v(" "),
              _c("textarea", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.shownAssignment.description,
                    expression: "shownAssignment.description"
                  }
                ],
                staticClass:
                  "w-full border-b p-2 h-24 resize-none focus:outline-none",
                attrs: {
                  name: "description",
                  placeholder: "specify this task...",
                  required: ""
                },
                domProps: { value: _vm.shownAssignment.description },
                on: {
                  input: function($event) {
                    if ($event.target.composing) {
                      return
                    }
                    _vm.$set(
                      _vm.shownAssignment,
                      "description",
                      $event.target.value
                    )
                  }
                }
              })
            ]),
            _vm._v(" "),
            _c("p", { staticClass: "mb-6" }, [
              _c(
                "label",
                {
                  staticClass: "mb-2  uppercase font-bold text-sm",
                  attrs: { for: "due" }
                },
                [_vm._v("When")]
              ),
              _vm._v(" "),
              _c("br"),
              _vm._v(" "),
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.due,
                    expression: "due"
                  }
                ],
                staticClass: "border-b p-2",
                attrs: {
                  id: "due",
                  type: "datetime-local",
                  name: "due",
                  required: ""
                },
                domProps: { value: _vm.due },
                on: {
                  input: function($event) {
                    if ($event.target.composing) {
                      return
                    }
                    _vm.due = $event.target.value
                  }
                }
              })
            ]),
            _vm._v(" "),
            _c("p", { staticClass: "mb-1  uppercase font-bold text-sm" }, [
              _vm._v("Type :")
            ]),
            _vm._v(" "),
            _c("div", { staticClass: "mb-6" }, [
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.onTime,
                    expression: "onTime"
                  }
                ],
                attrs: {
                  type: "radio",
                  id: "false",
                  name: "on_time",
                  required: ""
                },
                domProps: { value: false, checked: _vm._q(_vm.onTime, false) },
                on: {
                  change: function($event) {
                    _vm.onTime = false
                  }
                }
              }),
              _vm._v(" "),
              _c("label", { attrs: { for: "false" } }, [_vm._v("Deadline")]),
              _c("br"),
              _vm._v(" "),
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.onTime,
                    expression: "onTime"
                  }
                ],
                attrs: {
                  type: "radio",
                  id: "true",
                  name: "on_time",
                  required: ""
                },
                domProps: { value: true, checked: _vm._q(_vm.onTime, true) },
                on: {
                  change: function($event) {
                    _vm.onTime = true
                  }
                }
              }),
              _vm._v(" "),
              _c("label", { attrs: { for: "true" } }, [_vm._v("Appointment")]),
              _c("br")
            ]),
            _vm._v(" "),
            _c("div", { staticClass: "mb-6" }, [
              _c("p", { staticClass: " uppercase font-bold text-sm" }, [
                _vm._v("Time estimate:")
              ]),
              _vm._v(" "),
              _c("p", { staticClass: "text-sm text-gray-500" }, [
                _vm._v("(optional)")
              ]),
              _vm._v(" "),
              _c(
                "label",
                {
                  staticClass: "mb-2 text-md",
                  attrs: { for: "duration_hours" }
                },
                [_vm._v("Hours")]
              ),
              _vm._v(" "),
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.hours,
                    expression: "hours"
                  }
                ],
                staticClass: "border w-16 p-2",
                attrs: {
                  type: "number",
                  id: "duration_hours",
                  name: "duration_hours",
                  min: "0"
                },
                domProps: { value: _vm.hours },
                on: {
                  input: function($event) {
                    if ($event.target.composing) {
                      return
                    }
                    _vm.hours = $event.target.value
                  }
                }
              }),
              _vm._v(" "),
              _c(
                "label",
                {
                  staticClass: "mb-2 text-md",
                  attrs: { for: "duration_minutes" }
                },
                [_vm._v("Minutes")]
              ),
              _vm._v(" "),
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.minutes,
                    expression: "minutes"
                  }
                ],
                staticClass: "border w-16 p-2",
                attrs: {
                  type: "number",
                  id: "duration_minutes",
                  name: "duration_minutes",
                  min: "0",
                  max: "59"
                },
                domProps: { value: _vm.minutes },
                on: {
                  input: function($event) {
                    if ($event.target.composing) {
                      return
                    }
                    _vm.minutes = $event.target.value
                  }
                }
              }),
              _vm._v(" "),
              _c("p", { staticClass: "text-sm" }, [_vm._v("0h 0min = not set")])
            ]),
            _vm._v(" "),
            _c(
              "div",
              { staticClass: "mb-4" },
              [
                _c(
                  "label",
                  {
                    staticClass: "mb-2 uppercase font-bold text-sm",
                    attrs: { for: "event_place" }
                  },
                  [_vm._v("Assign this task to:")]
                ),
                _vm._v(" "),
                _c("p", { staticClass: "text-sm text-gray-500" }, [
                  _vm._v("(optional)")
                ]),
                _vm._v(" "),
                _vm._l(_vm.assignees, function(assignee) {
                  return _c(
                    "div",
                    { key: assignee.id, attrs: { value: assignee.id } },
                    [
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.users,
                            expression: "users"
                          }
                        ],
                        attrs: {
                          type: "checkbox",
                          id: assignee.id,
                          name: assignee.id
                        },
                        domProps: {
                          value: assignee.id,
                          checked: Array.isArray(_vm.users)
                            ? _vm._i(_vm.users, assignee.id) > -1
                            : _vm.users
                        },
                        on: {
                          change: function($event) {
                            var $$a = _vm.users,
                              $$el = $event.target,
                              $$c = $$el.checked ? true : false
                            if (Array.isArray($$a)) {
                              var $$v = assignee.id,
                                $$i = _vm._i($$a, $$v)
                              if ($$el.checked) {
                                $$i < 0 && (_vm.users = $$a.concat([$$v]))
                              } else {
                                $$i > -1 &&
                                  (_vm.users = $$a
                                    .slice(0, $$i)
                                    .concat($$a.slice($$i + 1)))
                              }
                            } else {
                              _vm.users = $$c
                            }
                          }
                        }
                      }),
                      _vm._v(" "),
                      _c("label", { attrs: { for: assignee.id } }, [
                        _vm._v(
                          "\n                            " +
                            _vm._s(assignee.name)
                        )
                      ]),
                      _c("br")
                    ]
                  )
                }),
                _vm._v(" "),
                _vm._l(_vm.free_members, function(free_member) {
                  return _c(
                    "div",
                    { key: free_member.id, attrs: { value: free_member.id } },
                    [
                      _c("div"),
                      _vm._v(" "),
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.users,
                            expression: "users"
                          }
                        ],
                        attrs: {
                          type: "checkbox",
                          id: free_member.id,
                          name: free_member.id
                        },
                        domProps: {
                          value: free_member.id,
                          checked: Array.isArray(_vm.users)
                            ? _vm._i(_vm.users, free_member.id) > -1
                            : _vm.users
                        },
                        on: {
                          change: function($event) {
                            var $$a = _vm.users,
                              $$el = $event.target,
                              $$c = $$el.checked ? true : false
                            if (Array.isArray($$a)) {
                              var $$v = free_member.id,
                                $$i = _vm._i($$a, $$v)
                              if ($$el.checked) {
                                $$i < 0 && (_vm.users = $$a.concat([$$v]))
                              } else {
                                $$i > -1 &&
                                  (_vm.users = $$a
                                    .slice(0, $$i)
                                    .concat($$a.slice($$i + 1)))
                              }
                            } else {
                              _vm.users = $$c
                            }
                          }
                        }
                      }),
                      _vm._v(" "),
                      _c("label", { attrs: { for: free_member.id } }, [
                        _vm._v(
                          "\n                            " +
                            _vm._s(free_member.name)
                        )
                      ]),
                      _c("br")
                    ]
                  )
                })
              ],
              2
            ),
            _vm._v(" "),
            _c(
              "label",
              {
                staticClass: "mt-6 uppercase font-bold text-sm",
                attrs: { for: "quantity" }
              },
              [_vm._v("Maximum number of assignees:")]
            ),
            _vm._v(" "),
            _c("p", { staticClass: "text-sm text-gray-500" }, [
              _vm._v("(optional)")
            ]),
            _vm._v(" "),
            _c("input", {
              directives: [
                {
                  name: "model",
                  rawName: "v-model",
                  value: _vm.shownAssignment.max_assignees,
                  expression: "shownAssignment.max_assignees"
                }
              ],
              staticClass: "border p-2",
              attrs: {
                type: "number",
                id: "max_assignees",
                min: "0",
                name: "max_assignees"
              },
              domProps: { value: _vm.shownAssignment.max_assignees },
              on: {
                input: function($event) {
                  if ($event.target.composing) {
                    return
                  }
                  _vm.$set(
                    _vm.shownAssignment,
                    "max_assignees",
                    $event.target.value
                  )
                }
              }
            }),
            _vm._v(" "),
            _c("p", { staticClass: "text-sm" }, [_vm._v("0 = not set")])
          ]),
          _vm._v(" "),
          _c(
            "button",
            {
              staticClass:
                "shadow float-right -mt-6 rounded border border-gray-300 py-2 px-4 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
              attrs: { type: "submit" }
            },
            [_vm._v("\n                Save changes\n            ")]
          )
        ])
      ]
    )
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/assignments/assignment-show-file-upload.vue?vue&type=template&id=667aa544&":
/*!******************************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/assignments/assignment-show-file-upload.vue?vue&type=template&id=667aa544& ***!
  \******************************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _vm.assignment.group.admin_id == _vm.user.id ||
    _vm.assignment.author_id == _vm.user.id ||
    _vm.user in _vm.assignment.users ||
    _vm.assignment_users_ids.includes(_vm.user.id)
    ? _c("div", [
        _c("div", { staticClass: "px-8 mr-2 mb-16" }, [
          _vm.assignmentsFiles.length > 0
            ? _c(
                "div",
                { staticClass: "mb-10" },
                [
                  _vm._l(_vm.pageOfItems, function(file) {
                    return _c("div", { key: file.id }, [
                      _c(
                        "a",
                        {
                          staticClass: "float-left mb-1",
                          attrs: { href: "/storage/" + file.file_path }
                        },
                        [_vm._v(_vm._s(file.file_name))]
                      ),
                      _vm._v(" "),
                      file.user_id == _vm.user.id
                        ? _c("div", [
                            _c(
                              "button",
                              {
                                staticClass:
                                  "ml-6 float-left text-red-500 font-bold focus:outline-none",
                                on: {
                                  click: function($event) {
                                    return _vm.deleteFile(file)
                                  }
                                }
                              },
                              [
                                _vm._v(
                                  "\n                        x\n                    "
                                )
                              ]
                            )
                          ])
                        : _vm._e(),
                      _vm._v(" "),
                      _c("div", { staticClass: "clear-both" })
                    ])
                  }),
                  _vm._v(" "),
                  _c(
                    "div",
                    {
                      staticClass: "mb-10 clear-both w-full text-center text-sm"
                    },
                    [
                      _c("jw-pagination", {
                        attrs: { items: _vm.assignmentsFiles, pageSize: 5 },
                        on: { changePage: _vm.onChangePage }
                      })
                    ],
                    1
                  )
                ],
                2
              )
            : _vm._e(),
          _vm._v(" "),
          _c(
            "form",
            {
              staticClass: "clear-both",
              on: {
                submit: function($event) {
                  $event.preventDefault()
                  return _vm.submit()
                }
              }
            },
            [
              _c("input", {
                attrs: { type: "hidden", name: "_token" },
                domProps: { value: _vm.csrf }
              }),
              _vm._v(" "),
              _c("div", { staticClass: "xl:float-left" }, [
                _c(
                  "label",
                  {
                    staticClass: "font-bold mb-4 text-underlined",
                    attrs: { for: "file_path" }
                  },
                  [
                    _vm._v(
                      "\n                    File upload\n                "
                    )
                  ]
                ),
                _vm._v(" "),
                _c(
                  "div",
                  {
                    staticClass: "text-sm mt-4 file-upload-wrapper",
                    attrs: { "data-text": "Select your file!" }
                  },
                  [
                    _c("input", {
                      ref: "file_path",
                      attrs: {
                        name: "file_path",
                        id: "file_path",
                        type: "file",
                        value: "file_path",
                        required: ""
                      },
                      on: {
                        change: function($event) {
                          return _vm.handleFileUpload()
                        }
                      }
                    })
                  ]
                )
              ]),
              _vm._v(" "),
              _vm._m(0),
              _vm._v(" "),
              _vm.fileTooBig
                ? _c(
                    "p",
                    {
                      staticClass:
                        "clear-both flex items-center justify-between w-full my-5 p-2 bg-red-500 shadow text-white"
                    },
                    [
                      _vm._v(
                        "\n                Please choose a file under 25MB.\n            "
                      )
                    ]
                  )
                : _vm._e(),
              _vm._v(" "),
              _c("div", { staticClass: "clear-both" }),
              _vm._v(" "),
              _c("div", { staticClass: "mb-6 mt-6" }, [
                _c(
                  "button",
                  {
                    staticClass:
                      "float-right text-sm bg-blue-400 text-white rounded-lg px-2 w-16 py-2 hover:bg-blue-500 mr-4 focus:outline-none",
                    attrs: { type: "submit" },
                    on: {
                      submit: function($event) {
                        $event.preventDefault()
                        return _vm.submit()
                      }
                    }
                  },
                  [_vm._v("\n                    Submit\n                ")]
                )
              ])
            ]
          )
        ])
      ])
    : _vm._e()
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("div", { staticClass: "xl:float-right xl:mt-0 mt-4" }, [
      _c(
        "label",
        {
          staticClass: "font-bold mb-4 text-underline",
          attrs: { for: "file_name" }
        },
        [_vm._v("\n                    Name your file\n                ")]
      ),
      _vm._v(" "),
      _c("input", {
        staticClass:
          "border-b border-gray-400 p-2 mb-4 w-full focus:outline-none",
        attrs: {
          type: "text",
          name: "file_name",
          id: "file_name",
          value: "",
          pattern: "[a-zA-Z0-9_-]+",
          required: ""
        }
      }),
      _vm._v(" "),
      _c("br"),
      _vm._v(" "),
      _c("p", { staticClass: "text-xs mb-2" }, [
        _vm._v(
          '\n                    (please use only letters, numbers, "_" and "-")\n                '
        )
      ])
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/assignments/assignment-show.vue?vue&type=template&id=4c338039&":
/*!******************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/assignments/assignment-show.vue?vue&type=template&id=4c338039& ***!
  \******************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "div",
    [
      _c("div", { staticClass: "p-8 mr-2 mb-2" }, [
        _c("div", { staticClass: "float-right" }, [
          _vm.user.id == _vm.assignment.group.admin_id ||
          _vm.shownAssignment.author_id == _vm.user.id
            ? _c("div", { staticClass: "mb-5" }, [
                !_vm.shownAssignment.done
                  ? _c(
                      "button",
                      {
                        staticClass:
                          "rounded-lg py-2 px-4 mr-2 text-white text-sm bg-green-400 hover:bg-green-300 focus:outline-none",
                        on: {
                          click: function($event) {
                            return _vm.checkWithUser(
                              _vm.shownAssignment,
                              "done"
                            )
                          }
                        }
                      },
                      [_vm._v("\n                    Done\n                ")]
                    )
                  : _vm._e(),
                _vm._v(" "),
                _c(
                  "div",
                  {
                    staticClass:
                      "float-right rounded-lg w-16 px-2 text-center py-2 mr-2 text-white text-sm bg-gray-400 hover:bg-gray-500 focus:outline-none"
                  },
                  [
                    _c(
                      "a",
                      {
                        staticClass: "p-3",
                        attrs: { href: _vm.shownAssignment.id + "/edit" }
                      },
                      [
                        _vm._v(
                          "\n                        Edit\n                    "
                        )
                      ]
                    )
                  ]
                ),
                _vm._v(" "),
                _c(
                  "button",
                  {
                    staticClass:
                      "rounded-lg w-16 px-2 py-2 mr-2 text-white text-sm bg-red-400 hover:bg-red-300 focus:outline-none",
                    on: {
                      click: function($event) {
                        return _vm.checkWithUser(_vm.shownAssignment, "delete")
                      }
                    }
                  },
                  [_vm._v("\n                    Delete\n                ")]
                )
              ])
            : _vm._e()
        ]),
        _vm._v(" "),
        _c("div", { staticClass: "float-right" }, [
          !_vm.takenAssignment
            ? _c("div", [
                _vm.shownAssignment.max_assignees == null ||
                _vm.shownAssignment.users.length <
                  _vm.shownAssignment.max_assignees
                  ? _c("div", [
                      _c(
                        "button",
                        {
                          staticClass:
                            "text-sm bg-blue-400 text-white rounded-lg w-16 py-2 hover:bg-blue-500 mr-3 focus:outline-none",
                          on: {
                            click: function($event) {
                              return _vm.checkWithUser(
                                _vm.shownAssignment,
                                "take"
                              )
                            }
                          }
                        },
                        [
                          _vm._v(
                            "\n                        Take on\n                    "
                          )
                        ]
                      )
                    ])
                  : _vm._e()
              ])
            : _vm._e()
        ]),
        _vm._v(" "),
        _c(
          "div",
          {
            staticClass:
              "mt-5 clear-both overflow-ellipsis overflow-hidden ... max-w-sm"
          },
          [
            _vm.shownAssignment.done
              ? _c(
                  "h2",
                  {
                    staticClass: "font-bold text-2xl mb-4",
                    staticStyle: { color: "#6cc2bd" }
                  },
                  [
                    _vm._v(
                      "\n                " +
                        _vm._s(_vm.shownAssignment.name) +
                        "\n            "
                    )
                  ]
                )
              : _c(
                  "h2",
                  {
                    staticClass: "font-bold text-2xl mb-4",
                    staticStyle: { color: "#f67e7d" }
                  },
                  [
                    _vm._v(
                      "\n                " +
                        _vm._s(_vm.shownAssignment.name) +
                        "\n            "
                    )
                  ]
                )
          ]
        ),
        _vm._v(" "),
        _c("div", { staticClass: "mt-7 md:grid md:grid-cols-2 md:gap-2" }, [
          _c(
            "div",
            {
              staticClass:
                "py-2 px-6 mb-2 mr-2 border-b border-gray-200 rounded"
            },
            [
              _vm.shownAssignment.on_time
                ? _c(
                    "p",
                    { staticClass: "mb-2", staticStyle: { color: "#f67e7d" } },
                    [_c("strong", [_vm._v("On time")])]
                  )
                : _c(
                    "p",
                    { staticClass: "mb-2", staticStyle: { color: "#5a819e" } },
                    [_c("strong", [_vm._v("Deadline")])]
                  ),
              _vm._v(" "),
              _c(
                "div",
                { staticClass: "bg-white rounded mb-2 pl-2 pt-2 pb-2" },
                [
                  _vm._v(
                    "\n                    " +
                      _vm._s(
                        _vm._f("dateFormat")(
                          new Date(_vm.shownAssignment.due),
                          "DD.MM.YYYY , HH:mm"
                        )
                      ) +
                      "\n                "
                  )
                ]
              )
            ]
          ),
          _vm._v(" "),
          _c(
            "div",
            {
              staticClass:
                "mb-2 rounded border-b border-gray-200 px-6 pl-6 pt-2 pb-2"
            },
            [
              _vm._m(0),
              _vm._v(" "),
              _c("p", { staticClass: "bg-white p-2 rounded" }, [
                _vm._v(
                  "\n                    " +
                    _vm._s(_vm.author) +
                    "\n                "
                )
              ])
            ]
          )
        ]),
        _vm._v(" "),
        _c("div", { staticClass: "md:grid md:grid-cols-2 md:gap-2" }, [
          _c(
            "div",
            {
              staticClass:
                "py-2 px-6 mb-2 mr-2 border-b border-gray-200 rounded"
            },
            [
              _vm._m(1),
              _vm._v(" "),
              _c(
                "div",
                { staticClass: "bg-white rounded mb-2 pl-2 pt-2 pb-2" },
                [
                  _vm.shownAssignment.duration
                    ? _c("p", [
                        _vm._v(
                          "\n                        " +
                            _vm._s(_vm.shownAssignment.duration) +
                            "\n                    "
                        )
                      ])
                    : _c("p", [_vm._v("not set")])
                ]
              )
            ]
          ),
          _vm._v(" "),
          _c(
            "div",
            {
              staticClass:
                "mb-2 rounded border-b border-gray-200 px-6 pl-6 pt-2 pb-2"
            },
            [
              _vm._m(2),
              _vm._v(" "),
              _c("div", { staticClass: "bg-white p-2 rounded" }, [
                _vm.shownAssignment.max_assignees &&
                _vm.shownAssignment.max_assignees >
                  _vm.shownAssignment.users.length
                  ? _c("p", [
                      _vm._v(
                        "\n                        " +
                          _vm._s(_vm.shownAssignment.max_assignees) +
                          " (free to take)\n                    "
                      )
                    ])
                  : _vm._e(),
                _vm._v(" "),
                _vm.shownAssignment.max_assignees &&
                _vm.shownAssignment.max_assignees <=
                  _vm.shownAssignment.users.length
                  ? _c("p", [
                      _vm._v(
                        "\n                        " +
                          _vm._s(_vm.shownAssignment.max_assignees) +
                          " (already taken)\n                    "
                      )
                    ])
                  : _vm._e(),
                _vm._v(" "),
                _vm.shownAssignment.max_assignees == null
                  ? _c("p", [
                      _vm._v(
                        "\n                        not set\n                    "
                      )
                    ])
                  : _vm._e()
              ])
            ]
          )
        ]),
        _vm._v(" "),
        _vm.shownAssignment.users
          ? _c(
              "div",
              {
                staticClass:
                  "mb-2 rounded border-b border-gray-200 px-6 pl-6 pt-2 pb-4"
              },
              [
                _vm._m(3),
                _vm._v(" "),
                _c(
                  "div",
                  { staticClass: "bg-white p-2 rounded" },
                  _vm._l(_vm.shownAssignment.users, function(assignee) {
                    return _c("p", { key: assignee.id }, [
                      _vm._v(
                        "\n                    " +
                          _vm._s(assignee.name) +
                          "\n                "
                      )
                    ])
                  }),
                  0
                )
              ]
            )
          : _vm._e(),
        _vm._v(" "),
        _c(
          "div",
          { staticClass: "py-4 px-6 mb-2 border-b border-gray-200 rounded" },
          [
            _vm._m(4),
            _vm._v(" "),
            _c("div", { staticClass: "bg-white rounded mb-2 pl-2 pt-2 pb-2" }, [
              _vm._v(
                "\n                " +
                  _vm._s(_vm.shownAssignment.description) +
                  "\n            "
              )
            ])
          ]
        ),
        _vm._v(" "),
        _vm.user.id == _vm.assignment.author_id ||
        _vm.assignment_users_ids.includes(_vm.user.id) ||
        _vm.user.id == _vm.assignment.group.admin_id
          ? _c(
              "div",
              {
                staticClass: "py-4 px-6 mb-2 border-b border-gray-200 rounded"
              },
              [
                _vm._m(5),
                _vm._v(" "),
                _c("p", { staticClass: "text-xs text-gray-700" }, [
                  _vm._v("(visible only to assignees)")
                ]),
                _vm._v(" "),
                _c(
                  "div",
                  { staticClass: "bg-white rounded mb-2 pl-2 pt-2 pb-2" },
                  [
                    !_vm.editingComment
                      ? _c(
                          "div",
                          {
                            staticClass:
                              "relative bg-purple-100 border-gray-300 rounded-lg p-5 mb-5"
                          },
                          [
                            _vm.authorComment
                              ? _c("p", [_vm._v(_vm._s(_vm.authorComment))])
                              : _vm._e(),
                            _vm._v(" "),
                            _vm.user.id == _vm.assignment.author_id ||
                            _vm.assignment.group.admin_id == _vm.user.id
                              ? _c(
                                  "div",
                                  { staticClass: "absolute top-1 right-1" },
                                  [
                                    _c(
                                      "button",
                                      {
                                        staticClass: "focus:outline-none",
                                        on: {
                                          click: function($event) {
                                            _vm.editingComment = !_vm.editingComment
                                          }
                                        }
                                      },
                                      [
                                        _c("img", {
                                          staticClass:
                                            "w-9 border border-gray-300 rounded-full",
                                          attrs: {
                                            src: "/img/edit.png",
                                            alt: "edit"
                                          }
                                        })
                                      ]
                                    )
                                  ]
                                )
                              : _vm._e()
                          ]
                        )
                      : _vm._e(),
                    _vm._v(" "),
                    _vm.editingComment
                      ? _c("div", { staticClass: "relative" }, [
                          _c("textarea", {
                            staticClass:
                              "relative w-full resize-none bg-purple-100 border-gray-300 rounded-lg p-5 mb-5 focus:outline-none",
                            attrs: {
                              id: "author_comment",
                              name: "text",
                              placeholder: _vm.authorComment,
                              maxlength: "500"
                            }
                          }),
                          _vm._v(" "),
                          _vm.user.id == _vm.assignment.author_id ||
                          _vm.assignment.group.admin_id == _vm.user.id
                            ? _c(
                                "div",
                                { staticClass: "absolute z-40 top-1 right-1" },
                                [
                                  _c(
                                    "button",
                                    {
                                      staticClass: "focus:outline-none",
                                      on: {
                                        click: function($event) {
                                          return _vm.editComment()
                                        }
                                      }
                                    },
                                    [
                                      _c("img", {
                                        staticClass:
                                          "w-9 border border-gray-300 rounded-full",
                                        attrs: {
                                          src: "/img/edit.png",
                                          alt: "edit"
                                        }
                                      })
                                    ]
                                  ),
                                  _vm._v(" "),
                                  _c(
                                    "button",
                                    {
                                      staticClass: "focus:outline-none",
                                      on: {
                                        click: function($event) {
                                          _vm.editingComment = !_vm.editingComment
                                        }
                                      }
                                    },
                                    [
                                      _c("img", {
                                        staticClass:
                                          "w-9 border border-gray-300 rounded-full",
                                        attrs: {
                                          src: "/img/cancel.png",
                                          alt: "cancel"
                                        }
                                      })
                                    ]
                                  )
                                ]
                              )
                            : _vm._e()
                        ])
                      : _vm._e()
                  ]
                )
              ]
            )
          : _vm._e()
      ]),
      _vm._v(" "),
      _c("assignment-show-file-upload", {
        attrs: {
          user: _vm.user,
          assignment: _vm.assignment,
          assignment_users_ids: _vm.assignment_users_ids
        }
      })
    ],
    1
  )
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("p", { staticClass: "mb-2" }, [_c("strong", [_vm._v("By Whom")])])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("p", { staticClass: "mb-2" }, [
      _c("strong", [_vm._v("Time estimate:")])
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("p", { staticClass: "mb-2" }, [
      _c("strong", [_vm._v("Max participants:")])
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("p", { staticClass: "mb-2" }, [
      _c("strong", [_vm._v("Assignees")])
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("p", { staticClass: "mb-2" }, [
      _c("strong", [_vm._v("Description")])
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("p", { staticClass: "mb-2" }, [
      _c("strong", [_vm._v("Author's comment")])
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/assignments/assignments-table.vue?vue&type=template&id=4e871ac3&":
/*!********************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/assignments/assignments-table.vue?vue&type=template&id=4e871ac3& ***!
  \********************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _c("div", { staticClass: "space-x-2 w-full mb-4" }, [
      _c(
        "select",
        {
          staticClass:
            "inline-block rounded-lg bg-white border border-gray-300 text-gray-700 px-4 pr-8 h-8 mr-2 leading-tight focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
          attrs: { id: "filter" }
        },
        [
          _c("option", { attrs: { value: "all" } }, [_vm._v("All")]),
          _vm._v(" "),
          _c("option", { attrs: { value: "mine" } }, [
            _vm._v("Assigned to me")
          ]),
          _vm._v(" "),
          _c("option", { attrs: { value: "toDo" } }, [_vm._v("In progress")]),
          _vm._v(" "),
          _c("option", { attrs: { value: "free" } }, [_vm._v("Free")]),
          _vm._v(" "),
          _c("option", { attrs: { value: "created" } }, [
            _vm._v("Created by me")
          ]),
          _vm._v(" "),
          _vm.user.id == _vm.group.admin_id
            ? _c("option", { attrs: { value: "noAuthor" } }, [
                _vm._v("\n                Without an author\n            ")
              ])
            : _vm._e()
        ]
      ),
      _vm._v(" "),
      _vm._m(0)
    ]),
    _vm._v(" "),
    _c("p", { staticClass: "text-xs font-bold text-blue-500 float-left" }, [
      _vm._v("Deadline")
    ]),
    _vm._v(" "),
    _c("p", { staticClass: "text-sm font-bold float-left ml-2 mr-2" }, [
      _vm._v("/")
    ]),
    _vm._v(" "),
    _c(
      "p",
      { staticClass: "float-left text-xs font-bold text-red-600 mb-4 mr-8" },
      [_vm._v("\n        Appointment\n    ")]
    ),
    _vm._v(" "),
    _c("p", { staticClass: "text-xs px-1 font-medium bg-red-100 float-left" }, [
      _vm._v("In progress")
    ]),
    _vm._v(" "),
    _c("p", { staticClass: "text-sm font-bold float-left ml-2 mr-2" }, [
      _vm._v("/")
    ]),
    _vm._v(" "),
    _c(
      "p",
      { staticClass: "text-xs px-2 font-medium bg-green-100 float-left" },
      [_vm._v("Done")]
    ),
    _vm._v(" "),
    _c("div", { staticClass: "flex flex-col clear-both" }, [
      _c("div", { staticClass: "-my-2 overflow-x-auto sm:-mx-6 lg:-mx-8" }, [
        _c(
          "div",
          {
            staticClass:
              "py-2 align-middle inline-block min-w-full sm:px-6 lg:px-8"
          },
          [
            _c(
              "div",
              {
                staticClass:
                  "shadow overflow-hidden border-b border-gray-200 sm:rounded-lg"
              },
              [
                _c(
                  "table",
                  {
                    staticClass:
                      "min-w-full divide-y divide-gray-200 table-fixed"
                  },
                  [
                    _vm._m(1),
                    _vm._v(" "),
                    _c(
                      "tbody",
                      { staticClass: "divide-y divide-gray-200" },
                      _vm._l(_vm.pageOfItems, function(assignment) {
                        return _c(
                          "tr",
                          {
                            key: assignment.id,
                            class: {
                              "bg-green-100": assignment.done,
                              "bg-red-100": !assignment.done
                            }
                          },
                          [
                            _c(
                              "td",
                              {
                                staticClass:
                                  "bg-white pl-6 py-4 text-sm font-medium text-gray-900 whitespace-nowrap"
                              },
                              [
                                _c(
                                  "div",
                                  {
                                    staticClass: "w-32 text-sm font-bold",
                                    class: {
                                      "text-red-600": assignment.on_time,
                                      "text-blue-500": !assignment.on_time
                                    }
                                  },
                                  [
                                    _vm._v(
                                      "\n                                        " +
                                        _vm._s(
                                          _vm._f("dateFormat")(
                                            new Date(assignment.due),
                                            "DD.MM.YYYY , HH:mm"
                                          )
                                        ) +
                                        "\n                                    "
                                    )
                                  ]
                                )
                              ]
                            ),
                            _vm._v(" "),
                            _c(
                              "td",
                              { staticClass: "px-6 py-4 whitespace-nowrap" },
                              [
                                _c(
                                  "div",
                                  {
                                    staticClass:
                                      "w-48 text-sm text-grey-900 truncate ... max-w-xs"
                                  },
                                  [
                                    _vm._v(
                                      "\n                                        " +
                                        _vm._s(assignment.name) +
                                        "\n                                    "
                                    )
                                  ]
                                )
                              ]
                            ),
                            _vm._v(" "),
                            _c(
                              "td",
                              { staticClass: "px-6 py-4 whitespace-nowrap" },
                              [
                                _c(
                                  "div",
                                  { staticClass: "text-sm text-gray-900" },
                                  [
                                    assignment.author
                                      ? _c("p", [
                                          _vm._v(
                                            "\n                                            " +
                                              _vm._s(assignment.author.name) +
                                              "\n                                        "
                                          )
                                        ])
                                      : _c("p", [_vm._v("*deleted account*")])
                                  ]
                                )
                              ]
                            ),
                            _vm._v(" "),
                            _c("td", [
                              _c(
                                "a",
                                {
                                  staticClass:
                                    "bg-white shadow border border-gray-300 rounded-lg py-2 px-2 mr-2 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                                  attrs: {
                                    href: "assignments/" + assignment.id
                                  }
                                },
                                [
                                  _vm._v(
                                    "\n                                        Details\n                                    "
                                  )
                                ]
                              )
                            ])
                          ]
                        )
                      }),
                      0
                    )
                  ]
                )
              ]
            ),
            _vm._v(" "),
            _c(
              "div",
              { staticClass: "mt-10 clear-both w-full text-center text-sm" },
              [
                _c("jw-pagination", {
                  attrs: { items: _vm.savedAssignments, pageSize: 15 },
                  on: { changePage: _vm.onChangePage }
                })
              ],
              1
            ),
            _vm._v(" "),
            _c(
              "button",
              {
                staticClass:
                  "shadow w-min rounded-lg border border-gray-300 px-4 py-2 mb-2 bg-white text-sm leading-5 font-medium text-gray-700 hover:text-gray-500 hover:bg-gray-100 focus:outline-none",
                on: {
                  click: function($event) {
                    return _vm.loadOlderAssignments()
                  }
                }
              },
              [_vm._v("\n                    Load older\n                ")]
            )
          ]
        )
      ])
    ])
  ])
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c(
      "div",
      {
        staticClass:
          "md:inline-block md:mt-0 mt-2 relative text-gray-600 md:ml-0 md:w-1/3 w-48"
      },
      [
        _c("input", {
          staticClass:
            "rounded-lg bg-white border border-gray-300 text-gray-500 w-full h-8 px-5 pr-10 rounded-lg text-sm focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
          attrs: {
            id: "searchBar",
            type: "search",
            name: "searchBar",
            placeholder: "Search by name"
          }
        }),
        _vm._v(" "),
        _c(
          "button",
          {
            staticClass:
              "absolute right-0 top-2 mr-4 bg-transparent focus:outline-none",
            attrs: { id: "searchButton", type: "submit" }
          },
          [
            _c("img", {
              attrs: {
                src: "/img/search.png",
                width: "20",
                height: "20",
                alt: "search"
              }
            })
          ]
        )
      ]
    )
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("thead", [
      _c("tr", [
        _c(
          "th",
          {
            staticClass:
              "pl-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\n                                    Date & Time\n                                "
            )
          ]
        ),
        _vm._v(" "),
        _c(
          "th",
          {
            staticClass:
              "pl-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\n                                    What\n                                "
            )
          ]
        ),
        _vm._v(" "),
        _c(
          "th",
          {
            staticClass:
              "pl-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\n                                    By whom\n                                "
            )
          ]
        ),
        _vm._v(" "),
        _c("th", {
          staticClass: "px-6 py-3 bg-gray-50",
          attrs: { scope: "col" }
        })
      ])
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/assignments/group-assignments.vue?vue&type=template&id=3db30e98&":
/*!********************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/assignments/group-assignments.vue?vue&type=template&id=3db30e98& ***!
  \********************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "div",
    { staticClass: "mb-6" },
    [
      _c(
        "p",
        {
          staticClass:
            "-ml-8 block mb-5 font-bold text-lg text-center text-gray-700"
        },
        [_vm._v("\n        Assignments\n    ")]
      ),
      _vm._v(" "),
      _c("div", { staticClass: "h-12" }, [
        _c(
          "button",
          {
            staticClass:
              "shadow absolute w-min rounded border border-gray-300 px-4 py-2 mb-8 bg-white text-sm leading-5 font-medium text-gray-700 hover:text-gray-500 hover:bg-gray-100 focus:outline-none",
            on: {
              click: function($event) {
                _vm.createNewAssignment = !_vm.createNewAssignment
              }
            }
          },
          [_vm._v("\n            New Assignment\n        ")]
        )
      ]),
      _vm._v(" "),
      _vm.createNewAssignment
        ? _c(
            "form",
            {
              on: {
                submit: function($event) {
                  $event.preventDefault()
                  return _vm.submit($event)
                }
              }
            },
            [
              _c(
                "div",
                {
                  staticClass:
                    "md:w-3/4 m-auto bg-white shadow border rounded py-6 px-8 mb-8"
                },
                [
                  _c("input", {
                    attrs: { type: "hidden", name: "_token" },
                    domProps: { value: _vm.csrf }
                  }),
                  _vm._v(" "),
                  _vm.groupAssignmentsErrors.text
                    ? _c(
                        "div",
                        {
                          staticClass:
                            "flex items-center justify-between w-full mb-4 p-2 bg-red-500 shadow text-white"
                        },
                        [
                          _vm._v(
                            "\n                " +
                              _vm._s(_vm.groupAssignmentsErrors.text[0]) +
                              "\n            "
                          )
                        ]
                      )
                    : _vm._e(),
                  _vm._v(" "),
                  _c("div", { staticClass: "mx-auto w-full mb-10" }, [
                    _c("p", { staticClass: "mb-4" }, [
                      _c(
                        "label",
                        {
                          staticClass: "mb-2 uppercase font-bold text-sm",
                          attrs: { for: "name" }
                        },
                        [_vm._v("Name")]
                      ),
                      _vm._v(" "),
                      _c("br"),
                      _vm._v(" "),
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupAssignmentsFields.name,
                            expression: "groupAssignmentsFields.name"
                          }
                        ],
                        staticClass: "border w-full p-2",
                        attrs: {
                          id: "name",
                          type: "text",
                          name: "name",
                          required: ""
                        },
                        domProps: { value: _vm.groupAssignmentsFields.name },
                        on: {
                          input: function($event) {
                            if ($event.target.composing) {
                              return
                            }
                            _vm.$set(
                              _vm.groupAssignmentsFields,
                              "name",
                              $event.target.value
                            )
                          }
                        }
                      })
                    ]),
                    _vm._v(" "),
                    _c("p", { staticClass: "mb-4" }, [
                      _c(
                        "label",
                        {
                          staticClass: "mb-2 uppercase font-bold text-sm",
                          attrs: { for: "description" }
                        },
                        [_vm._v("Description")]
                      ),
                      _vm._v(" "),
                      _c("br"),
                      _vm._v(" "),
                      _c("textarea", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupAssignmentsFields.description,
                            expression: "groupAssignmentsFields.description"
                          }
                        ],
                        staticClass:
                          "w-full border p-2 h-24 resize-none focus:outline-none",
                        attrs: {
                          name: "description",
                          placeholder: "specify this task...",
                          required: ""
                        },
                        domProps: {
                          value: _vm.groupAssignmentsFields.description
                        },
                        on: {
                          input: function($event) {
                            if ($event.target.composing) {
                              return
                            }
                            _vm.$set(
                              _vm.groupAssignmentsFields,
                              "description",
                              $event.target.value
                            )
                          }
                        }
                      })
                    ]),
                    _vm._v(" "),
                    _c("p", { staticClass: "mb-6" }, [
                      _c(
                        "label",
                        {
                          staticClass: "mb-2 uppercase font-bold text-sm",
                          attrs: { for: "due" }
                        },
                        [_vm._v("When")]
                      ),
                      _vm._v(" "),
                      _c("br"),
                      _vm._v(" "),
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupAssignmentsFields.due,
                            expression: "groupAssignmentsFields.due"
                          }
                        ],
                        staticClass: "border p-2",
                        attrs: {
                          id: "due",
                          type: "datetime-local",
                          name: "due",
                          required: ""
                        },
                        domProps: { value: _vm.groupAssignmentsFields.due },
                        on: {
                          input: function($event) {
                            if ($event.target.composing) {
                              return
                            }
                            _vm.$set(
                              _vm.groupAssignmentsFields,
                              "due",
                              $event.target.value
                            )
                          }
                        }
                      })
                    ]),
                    _vm._v(" "),
                    _c(
                      "p",
                      { staticClass: "mb-1 uppercase font-bold text-sm" },
                      [_vm._v("Type :")]
                    ),
                    _vm._v(" "),
                    _c("div", { staticClass: "mb-4" }, [
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupAssignmentsFields.on_time,
                            expression: "groupAssignmentsFields.on_time"
                          }
                        ],
                        attrs: {
                          type: "radio",
                          id: "false",
                          name: "on_time",
                          required: ""
                        },
                        domProps: {
                          value: false,
                          checked: _vm._q(
                            _vm.groupAssignmentsFields.on_time,
                            false
                          )
                        },
                        on: {
                          change: function($event) {
                            return _vm.$set(
                              _vm.groupAssignmentsFields,
                              "on_time",
                              false
                            )
                          }
                        }
                      }),
                      _vm._v(" "),
                      _c("label", { attrs: { for: "false" } }, [
                        _vm._v("Deadline")
                      ]),
                      _c("br"),
                      _vm._v(" "),
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupAssignmentsFields.on_time,
                            expression: "groupAssignmentsFields.on_time"
                          }
                        ],
                        attrs: {
                          type: "radio",
                          id: "true",
                          name: "on_time",
                          required: ""
                        },
                        domProps: {
                          value: true,
                          checked: _vm._q(
                            _vm.groupAssignmentsFields.on_time,
                            true
                          )
                        },
                        on: {
                          change: function($event) {
                            return _vm.$set(
                              _vm.groupAssignmentsFields,
                              "on_time",
                              true
                            )
                          }
                        }
                      }),
                      _vm._v(" "),
                      _c("label", { attrs: { for: "true" } }, [
                        _vm._v("Appointment")
                      ]),
                      _c("br")
                    ]),
                    _vm._v(" "),
                    _c("div", { staticClass: "mb-6" }, [
                      _c("p", { staticClass: "uppercase font-bold text-sm" }, [
                        _vm._v(
                          "\n                        Time estimate:\n                    "
                        )
                      ]),
                      _vm._v(" "),
                      _c("p", { staticClass: "text-sm text-gray-500" }, [
                        _vm._v("(optional)")
                      ]),
                      _vm._v(" "),
                      _c(
                        "label",
                        {
                          staticClass: "mb-2 text-md",
                          attrs: { for: "duration_hours" }
                        },
                        [_vm._v("Hours")]
                      ),
                      _vm._v(" "),
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupAssignmentsFields.duration_hours,
                            expression: "groupAssignmentsFields.duration_hours"
                          }
                        ],
                        staticClass: "border w-16 p-2",
                        attrs: {
                          type: "number",
                          id: "duration_hours",
                          name: "duration_hours",
                          min: "0"
                        },
                        domProps: {
                          value: _vm.groupAssignmentsFields.duration_hours
                        },
                        on: {
                          input: function($event) {
                            if ($event.target.composing) {
                              return
                            }
                            _vm.$set(
                              _vm.groupAssignmentsFields,
                              "duration_hours",
                              $event.target.value
                            )
                          }
                        }
                      }),
                      _vm._v(" "),
                      _c(
                        "label",
                        {
                          staticClass: "mb-2 text-md",
                          attrs: { for: "duration_minutes" }
                        },
                        [_vm._v("Minutes")]
                      ),
                      _vm._v(" "),
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupAssignmentsFields.duration_minutes,
                            expression:
                              "groupAssignmentsFields.duration_minutes"
                          }
                        ],
                        staticClass: "border w-16 p-2",
                        attrs: {
                          type: "number",
                          id: "duration_minutes",
                          name: "duration_minutes",
                          min: "0",
                          max: "59"
                        },
                        domProps: {
                          value: _vm.groupAssignmentsFields.duration_minutes
                        },
                        on: {
                          input: function($event) {
                            if ($event.target.composing) {
                              return
                            }
                            _vm.$set(
                              _vm.groupAssignmentsFields,
                              "duration_minutes",
                              $event.target.value
                            )
                          }
                        }
                      }),
                      _vm._v(" "),
                      _c("p", { staticClass: "text-sm" }, [
                        _vm._v("0h 0min = not set")
                      ])
                    ]),
                    _vm._v(" "),
                    _c(
                      "div",
                      { staticClass: "mb-4" },
                      [
                        _c(
                          "label",
                          {
                            staticClass: "mb-2 uppercase font-bold text-sm",
                            attrs: { for: "event_place" }
                          },
                          [_vm._v("Assign this task to:")]
                        ),
                        _vm._v(" "),
                        _c("p", { staticClass: "text-sm text-gray-500" }, [
                          _vm._v("(optional)")
                        ]),
                        _vm._v(" "),
                        _vm._l(_vm.members, function(member) {
                          return _c(
                            "div",
                            { key: member.id, attrs: { value: member.id } },
                            [
                              _c("input", {
                                directives: [
                                  {
                                    name: "model",
                                    rawName: "v-model",
                                    value: _vm.groupAssignmentsFields.users,
                                    expression: "groupAssignmentsFields.users"
                                  }
                                ],
                                attrs: {
                                  type: "checkbox",
                                  id: member.id,
                                  name: member.id
                                },
                                domProps: {
                                  value: member.id,
                                  checked: Array.isArray(
                                    _vm.groupAssignmentsFields.users
                                  )
                                    ? _vm._i(
                                        _vm.groupAssignmentsFields.users,
                                        member.id
                                      ) > -1
                                    : _vm.groupAssignmentsFields.users
                                },
                                on: {
                                  change: function($event) {
                                    var $$a = _vm.groupAssignmentsFields.users,
                                      $$el = $event.target,
                                      $$c = $$el.checked ? true : false
                                    if (Array.isArray($$a)) {
                                      var $$v = member.id,
                                        $$i = _vm._i($$a, $$v)
                                      if ($$el.checked) {
                                        $$i < 0 &&
                                          _vm.$set(
                                            _vm.groupAssignmentsFields,
                                            "users",
                                            $$a.concat([$$v])
                                          )
                                      } else {
                                        $$i > -1 &&
                                          _vm.$set(
                                            _vm.groupAssignmentsFields,
                                            "users",
                                            $$a
                                              .slice(0, $$i)
                                              .concat($$a.slice($$i + 1))
                                          )
                                      }
                                    } else {
                                      _vm.$set(
                                        _vm.groupAssignmentsFields,
                                        "users",
                                        $$c
                                      )
                                    }
                                  }
                                }
                              }),
                              _vm._v(" "),
                              _c("label", { attrs: { for: member.id } }, [
                                _vm._v(" " + _vm._s(member.name))
                              ]),
                              _c("br")
                            ]
                          )
                        })
                      ],
                      2
                    ),
                    _vm._v(" "),
                    _c(
                      "label",
                      {
                        staticClass: "uppercase font-bold text-sm",
                        attrs: { for: "quantity" }
                      },
                      [_vm._v("Maximum number of assignees:")]
                    ),
                    _vm._v(" "),
                    _c("p", { staticClass: "text-sm text-gray-500" }, [
                      _vm._v("(optional)")
                    ]),
                    _vm._v(" "),
                    _c("p", { staticClass: "text-sm" }, [
                      _vm._v("0 = not set")
                    ]),
                    _vm._v(" "),
                    _c("input", {
                      directives: [
                        {
                          name: "model",
                          rawName: "v-model",
                          value: _vm.groupAssignmentsFields.max_assignees,
                          expression: "groupAssignmentsFields.max_assignees"
                        }
                      ],
                      staticClass: "border p-2",
                      attrs: {
                        type: "number",
                        id: "max_assignees",
                        min: "0",
                        name: "max_assignees"
                      },
                      domProps: {
                        value: _vm.groupAssignmentsFields.max_assignees
                      },
                      on: {
                        input: function($event) {
                          if ($event.target.composing) {
                            return
                          }
                          _vm.$set(
                            _vm.groupAssignmentsFields,
                            "max_assignees",
                            $event.target.value
                          )
                        }
                      }
                    })
                  ]),
                  _vm._v(" "),
                  _c(
                    "button",
                    {
                      staticClass:
                        "shadow float-right -mt-6 rounded border border-gray-300 py-2 px-4 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                      attrs: { type: "submit" }
                    },
                    [
                      _vm._v(
                        "\n                Create an assignment\n            "
                      )
                    ]
                  )
                ]
              )
            ]
          )
        : _vm._e(),
      _vm._v(" "),
      _vm.newAssignmentCreated
        ? _c(
            "div",
            {
              staticClass:
                "flex items-center justify-between w-full mb-10 p-2 bg-green-500 shadow text-white"
            },
            [
              _vm._v(
                "\n        Your assignment was created! Check it out down below.\n    "
              )
            ]
          )
        : _vm._e(),
      _vm._v(" "),
      _c("assignments-table", {
        attrs: {
          user: _vm.user,
          group: _vm.group,
          assignments: _vm.assignments
        }
      })
    ],
    1
  )
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/chatrooms/chatrooms-index.vue?vue&type=template&id=47fb933b&":
/*!****************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/chatrooms/chatrooms-index.vue?vue&type=template&id=47fb933b& ***!
  \****************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "div",
    { staticClass: "border-bottom relative border-gray-300 rounded-lg mb-2" },
    [
      _c(
        "h3",
        { staticClass: "text-center font-bold text-lg mb-5 text-gray-700" },
        [_vm._v("Chats")]
      ),
      _vm._v(" "),
      _vm._m(0),
      _vm._v(" "),
      _vm._l(_vm.pageOfItems, function(chat) {
        return _c("div", { key: chat.id }, [
          chat.latest_message
            ? _c("a", { attrs: { href: "/chats/" + chat.id } }, [
                _c(
                  "div",
                  {
                    staticClass:
                      "flex p-4 border-b border-b-gray-400 hover:bg-gray-200"
                  },
                  [
                    _c("div", { staticClass: "mr-2" }, [
                      chat.users[0]
                        ? _c("img", {
                            staticClass:
                              "rounded-full object-cover h-15 w-15 mr-2",
                            attrs: { src: chat.users[0].avatar, alt: "avatar" }
                          })
                        : _c("img", {
                            staticClass:
                              "rounded-full object-cover h-15 w-15 mr-2",
                            attrs: {
                              src: "img/default_avatar.png",
                              alt: "avatar"
                            }
                          })
                    ]),
                    _vm._v(" "),
                    _c("div", { staticClass: "w-full" }, [
                      chat.users[0]
                        ? _c("h5", { staticClass: "font-bold mb-2 ml-4" }, [
                            _vm._v(
                              "\n                        " +
                                _vm._s(chat.users[0].name) +
                                "\n                    "
                            )
                          ])
                        : _c("h5", { staticClass: "font-bold mb-2 ml-4" }, [
                            _vm._v(
                              "\n                        *deleted account*\n                    "
                            )
                          ]),
                      _vm._v(" "),
                      chat.latest_message.sender_id != _vm.user.id
                        ? _c(
                            "div",
                            { staticClass: "text-sm mb-3 mx-4 float-left" },
                            [
                              chat.users[0]
                                ? _c("p", [
                                    _vm._v(
                                      "\n                            " +
                                        _vm._s(chat.users[0].name) +
                                        ":\n                        "
                                    )
                                  ])
                                : _c("p", [_vm._v("*deleted account*")])
                            ]
                          )
                        : _c(
                            "div",
                            { staticClass: "text-sm mb-3 mx-4 float-left" },
                            [
                              _vm._v(
                                "\n                        You:\n                    "
                              )
                            ]
                          ),
                      _vm._v(" "),
                      _c(
                        "div",
                        {
                          staticClass: "text-sm mb-3 ml-4 break-words",
                          class: {
                            "font-bold":
                              !chat.latest_message.read &&
                              chat.latest_message.sender_id != _vm.user.id
                          }
                        },
                        [
                          chat.latest_message.file_path
                            ? _c("p", [
                                _vm._v(
                                  "\n                            *sent a file*\n                        "
                                )
                              ])
                            : chat.latest_message.image_path
                            ? _c("p", [
                                _vm._v(
                                  "\n                            *sent a photo*\n                        "
                                )
                              ])
                            : chat.latest_message.text &&
                              chat.latest_message.text.length > 30
                            ? _c("p", [
                                _vm._v(
                                  "\n                            " +
                                    _vm._s(
                                      chat.latest_message.text.substring(
                                        0,
                                        30
                                      ) + "..."
                                    ) +
                                    "\n                        "
                                )
                              ])
                            : _c("p", [
                                _vm._v(
                                  "\n                            " +
                                    _vm._s(chat.latest_message.text) +
                                    "\n                        "
                                )
                              ])
                        ]
                      ),
                      _vm._v(" "),
                      _c("p", { staticClass: "text-xs float-right" }, [
                        _vm._v(
                          "\n                        " +
                            _vm._s(
                              _vm._f("dateFormat")(
                                new Date(chat.latest_message.created_at),
                                "HH:mm , DD.MM.YYYY"
                              )
                            ) +
                            "\n                    "
                        )
                      ])
                    ])
                  ]
                )
              ])
            : _vm._e()
        ])
      }),
      _vm._v(" "),
      _c(
        "div",
        { staticClass: "mt-28 clear-both w-full text-center text-sm" },
        [
          _c("jw-pagination", {
            attrs: { items: _vm.shownChatroom, pageSize: 50 },
            on: { changePage: _vm.onChangePage }
          })
        ],
        1
      )
    ],
    2
  )
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("div", { staticClass: "relative inline-block w-44 h-10 mb-10" }, [
      _c("input", {
        staticClass:
          "rounded-lg bg-white border border-gray-300 text-gray-500 w-full h-full px-5 pr-10 rounded-lg text-sm focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
        attrs: {
          id: "memberInput",
          type: "text",
          name: "memberInput",
          placeholder: "New message to..."
        }
      })
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/chatrooms/chatrooms-show.vue?vue&type=template&id=e6f70fb8&":
/*!***************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/chatrooms/chatrooms-show.vue?vue&type=template&id=e6f70fb8& ***!
  \***************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "div",
    [
      _vm._l(_vm.users, function(chatUser) {
        return _c(
          "h5",
          {
            key: chatUser.id,
            staticClass: "text-lg font-bold text-center h-14 w-full"
          },
          [_vm._v("\n        " + _vm._s(chatUser.name) + "\n    ")]
        )
      }),
      _vm._v(" "),
      _vm.users.length == 0
        ? _c(
            "h5",
            { staticClass: "text-lg font-bold text-center h-14 w-full" },
            [_vm._v("\n        *deleted account*\n    ")]
          )
        : _vm._e(),
      _vm._v(" "),
      _c(
        "div",
        {
          ref: "chat",
          staticClass: "container mb-2 pr-4 h-80 overflow-y-scroll",
          attrs: { id: "chatWindow" }
        },
        [
          _c(
            "button",
            {
              staticClass:
                "bg-white md:text-sm text-xs text-center relative clear-both w-full h-8 px-4 pt-1 mb-4 border border-gray-300 hover:bg-purple-100 focus:outline-none focus:bg-purple-100",
              on: {
                click: function($event) {
                  return _vm.loadOlderMessages()
                }
              }
            },
            [_vm._v("\n            Load older messages\n        ")]
          ),
          _vm._v(" "),
          _vm._l(_vm.messages, function(message) {
            return _c(
              "div",
              {
                key: message.id,
                staticClass:
                  "bg-white relative clear-both w-full md:w-3/4 lg:w-1/2 px-4 pt-4 mb-2 border border-gray-300 rounded-lg",
                class: {
                  "float-right bg-purple-100":
                    message.sender && message.sender.id == _vm.user.id,
                  "pb-6": !message.sender || message.sender.id != _vm.user.id
                }
              },
              [
                _c("div", [
                  message.sender
                    ? _c(
                        "h5",
                        {
                          staticClass: "text-xs text-gray-500 absolute bottom-0"
                        },
                        [
                          _vm._v(
                            "\n                    " +
                              _vm._s(message.sender.name) +
                              "\n                "
                          )
                        ]
                      )
                    : _c(
                        "h5",
                        {
                          staticClass: "text-xs text-gray-500 absolute bottom-0"
                        },
                        [
                          _vm._v(
                            "\n                    *deleted account*\n                "
                          )
                        ]
                      ),
                  _vm._v(" "),
                  _c("div", { staticClass: "float-left mr-2" }, [
                    message.sender
                      ? _c("img", {
                          staticClass:
                            "rounded-full object-cover md:h-15 md:w-15 w-9 h-9 mr-2 mb-3",
                          attrs: { src: message.sender.avatar, alt: "avatar" }
                        })
                      : _c("img", {
                          staticClass:
                            "rounded-full object-cover h-15 w-15 mr-2 mb-3",
                          attrs: {
                            src: "/img/default_avatar.png",
                            alt: "avatar"
                          }
                        })
                  ]),
                  _vm._v(" "),
                  _c("div", [
                    _c("div", { staticClass: "text-sm mb-3 break-words p-4" }, [
                      _vm._v(
                        "\n                        " +
                          _vm._s(message.text) +
                          "\n                        "
                      ),
                      message.image_path
                        ? _c("div", [
                            _c("img", {
                              attrs: {
                                src: "/storage/" + message.image_path,
                                alt: "image"
                              }
                            })
                          ])
                        : _vm._e(),
                      _vm._v(" "),
                      message.file_path
                        ? _c("div", [
                            message.file_name
                              ? _c(
                                  "a",
                                  {
                                    staticClass: "font-semibold underline",
                                    attrs: {
                                      href: "/storage/" + message.file_path
                                    }
                                  },
                                  [
                                    _vm._v(
                                      "\n                                " +
                                        _vm._s(message.file_name) +
                                        "\n                            "
                                    )
                                  ]
                                )
                              : _c(
                                  "a",
                                  {
                                    staticClass: "font-semibold underline",
                                    attrs: {
                                      href: "/storage/" + message.file_path
                                    }
                                  },
                                  [
                                    _vm._v(
                                      "\n                                attached file\n                            "
                                    )
                                  ]
                                )
                          ])
                        : _vm._e()
                    ]),
                    _vm._v(" "),
                    _c(
                      "p",
                      {
                        staticClass:
                          "text-xs md:float-right md:relative md:mb-2 absolute top-1 right-1"
                      },
                      [
                        _vm._v(
                          "\n                        " +
                            _vm._s(
                              _vm._f("dateFormat")(
                                new Date(message.created_at),
                                "HH:mm , DD.MM.YYYY"
                              )
                            ) +
                            "\n                    "
                        )
                      ]
                    )
                  ])
                ])
              ]
            )
          })
        ],
        2
      ),
      _vm._v(" "),
      _c(
        "div",
        {
          staticClass: "mb-4 clear-both",
          on: {
            submit: function($event) {
              $event.preventDefault()
              return _vm.submit()
            }
          }
        },
        [
          _c(
            "div",
            {
              staticClass:
                "bg-white relative h-24 w-full px-4 pt-4 mt-4 mb-2 border border-gray-300 rounded-lg"
            },
            [
              _c("textarea", {
                staticClass: "w-full resize-none focus:outline-none",
                attrs: {
                  id: "messageArea",
                  name: "text",
                  placeholder: "New message...",
                  maxlength: "1000"
                }
              }),
              _vm._v(" "),
              _c("div", { staticClass: "absolute bottom-2 right-0" }, [
                _c(
                  "button",
                  {
                    staticClass:
                      "text-sm bg-blue-400 text-white rounded-full w-10 px-2 py-2 mr-2 hover:bg-blue-500 focus:outline-none",
                    attrs: { id: "sendImage", type: "submit" },
                    on: {
                      submit: function($event) {
                        $event.preventDefault()
                        return _vm.submit()
                      },
                      click: function($event) {
                        return _vm.submit()
                      }
                    }
                  },
                  [
                    _c("img", {
                      staticClass: "w-8",
                      attrs: { src: "/img/send_icon.png", alt: "send" }
                    })
                  ]
                )
              ])
            ]
          ),
          _vm._v(" "),
          _c(
            "button",
            {
              staticClass: "relative",
              on: {
                click: function($event) {
                  _vm.uploadImage = !_vm.uploadImage
                }
              }
            },
            [
              _c("img", {
                staticClass: "h-16",
                attrs: { src: "/img/image.png", alt: "", srcset: "" }
              })
            ]
          ),
          _vm._v(" "),
          _c(
            "button",
            {
              staticClass: "relative mb-5",
              on: {
                click: function($event) {
                  _vm.uploadFile = !_vm.uploadFile
                }
              }
            },
            [
              _c("img", {
                staticClass: "h-16",
                attrs: { src: "/img/file.png", alt: "", srcset: "" }
              })
            ]
          ),
          _vm._v(" "),
          _vm.uploadImage
            ? _c("div", { staticClass: "mb-6" }, [
                _c("div", { staticClass: "relative" }, [
                  _c(
                    "label",
                    {
                      staticClass: "font-bold mb-4 text-underlined",
                      attrs: { for: "image" }
                    },
                    [
                      _vm._v(
                        "\n                    Select a photo\n                "
                      )
                    ]
                  ),
                  _vm._v(" "),
                  _c(
                    "div",
                    {
                      staticClass: "text-sm mt-4 file-upload-wrapper",
                      attrs: { "data-text": "Select a photo!" }
                    },
                    [
                      _c("input", {
                        ref: "image",
                        attrs: {
                          type: "file",
                          id: "image",
                          accept: ".jpg, .jpeg, .png, .gif"
                        },
                        on: {
                          change: function($event) {
                            return _vm.handleImageUpload()
                          }
                        }
                      })
                    ]
                  )
                ])
              ])
            : _vm._e(),
          _vm._v(" "),
          _vm.imageTooBig
            ? _c(
                "p",
                {
                  staticClass:
                    "flex items-center justify-between w-full my-5 p-2 bg-red-500 shadow text-white"
                },
                [_vm._v("Please choose a picture under 5MB.")]
              )
            : _vm._e(),
          _vm._v(" "),
          _c("div", { staticClass: "clear-both mb-6" }),
          _vm._v(" "),
          _vm.uploadFile
            ? _c("div", [
                _c("div", { staticClass: "relative mb-2 lg:float-left" }, [
                  _c(
                    "label",
                    {
                      staticClass: "font-bold mb-4 text-underlined",
                      attrs: { for: "file_path" }
                    },
                    [
                      _vm._v(
                        "\n                    Select a file\n                "
                      )
                    ]
                  ),
                  _vm._v(" "),
                  _c(
                    "div",
                    {
                      staticClass: "text-sm mt-4 file-upload-wrapper",
                      attrs: { "data-text": "Select your file!" }
                    },
                    [
                      _c("input", {
                        ref: "file",
                        attrs: { type: "file", id: "file" },
                        on: {
                          change: function($event) {
                            return _vm.handleFileUpload()
                          }
                        }
                      })
                    ]
                  )
                ]),
                _vm._v(" "),
                _vm._m(0),
                _vm._v(" "),
                _vm.fileTooBig
                  ? _c(
                      "p",
                      {
                        staticClass:
                          "flex items-center justify-between w-full my-5 p-2 bg-red-500 shadow text-white"
                      },
                      [_vm._v("Please choose a file under 25MB.")]
                    )
                  : _vm._e()
              ])
            : _vm._e()
        ]
      )
    ],
    2
  )
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c(
      "div",
      { staticClass: "relative mt-5 mb-2 xl:float-right xl:mt-0 mt-4" },
      [
        _c(
          "label",
          {
            staticClass: "font-bold mb-4 text-underline",
            attrs: { for: "file_name" }
          },
          [_vm._v("\n                    Name your file\n                ")]
        ),
        _vm._v(" "),
        _c("br"),
        _vm._v(" "),
        _c("input", {
          staticClass:
            "border-b border-gray-400 p-2 mb-4 w-64 focus:outline-none",
          attrs: {
            id: "file_name",
            type: "text",
            name: "file_name",
            value: "",
            pattern: "[a-zA-Z0-9_-]+"
          }
        }),
        _vm._v(" "),
        _c("br"),
        _vm._v(" "),
        _c("p", { staticClass: "text-xs mb-2" }, [_vm._v("(max 1000 chars)")])
      ]
    )
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/comments/assignment-comments.vue?vue&type=template&id=00807da4&":
/*!*******************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/comments/assignment-comments.vue?vue&type=template&id=00807da4& ***!
  \*******************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", { staticClass: "mx-8" }, [
    _c("h3", { staticClass: "font-bold mb-4 text-underlined" }, [
      _vm._v("Comments section")
    ]),
    _vm._v(" "),
    _c(
      "form",
      {
        staticClass: "mb-4",
        on: {
          submit: function($event) {
            $event.preventDefault()
            return _vm.submit($event)
          }
        }
      },
      [
        _c(
          "div",
          { staticClass: "bg-white shadow border rounded-lg h-20 py-3 px-8" },
          [
            _c("input", {
              attrs: { type: "hidden", name: "_token" },
              domProps: { value: _vm.csrf }
            }),
            _vm._v(" "),
            _c("textarea", {
              staticClass: "w-full resize-none focus:outline-none",
              attrs: {
                id: "commentArea",
                name: "text",
                placeholder: "Press enter to send..."
              }
            })
          ]
        )
      ]
    ),
    _vm._v(" "),
    _c(
      "div",
      { staticClass: "border border-gray-300 rounded-lg mb-2" },
      _vm._l(_vm.pageOfItems, function(comment) {
        return _c(
          "div",
          {
            key: comment.id,
            staticClass: "flex relative p-4 border-b border-b-gray-400"
          },
          [
            comment.user_id == _vm.user.id ||
            _vm.user.id == _vm.assignment.group.admin_id
              ? _c(
                  "button",
                  {
                    staticClass: "absolute top-3 right-3 focus:outline-none",
                    on: {
                      click: function($event) {
                        return _vm.deleteComment(comment)
                      }
                    }
                  },
                  [
                    _c("img", {
                      staticClass: "w-4",
                      attrs: { src: "/img/bin.png", alt: "delete" }
                    })
                  ]
                )
              : _vm._e(),
            _vm._v(" "),
            _c("div", { staticClass: "mr-2" }, [
              _c("img", {
                staticClass: "rounded-full object-cover h-15 w-15 mr-2",
                attrs: { src: comment.user.avatar, alt: "avatar" }
              })
            ]),
            _vm._v(" "),
            _c("div", { staticClass: "w-full" }, [
              _c("h5", { staticClass: "font-bold mb-2" }, [
                _vm._v(_vm._s(comment.user.name))
              ]),
              _vm._v(" "),
              _c("p", { staticClass: "text-sm mb-3 break-words" }, [
                _vm._v(
                  "\n                    " +
                    _vm._s(comment.text) +
                    "\n                "
                )
              ]),
              _vm._v(" "),
              _c("p", { staticClass: "text-xs float-right" }, [
                _vm._v(
                  "\n                    " +
                    _vm._s(
                      _vm._f("dateFormat")(
                        new Date(comment.created_at),
                        "HH:mm , DD.MM.YYYY"
                      )
                    ) +
                    "\n                "
                )
              ])
            ])
          ]
        )
      }),
      0
    ),
    _vm._v(" "),
    _c(
      "div",
      { staticClass: "text-center text-sm" },
      [
        _c("jw-pagination", {
          attrs: { items: _vm.comments, pageSize: 10 },
          on: { changePage: _vm.onChangePage }
        })
      ],
      1
    )
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/comments/event-comments.vue?vue&type=template&id=086d6072&":
/*!**************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/comments/event-comments.vue?vue&type=template&id=086d6072& ***!
  \**************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", { staticClass: "mx-8" }, [
    _c("h3", { staticClass: "font-bold mb-4 text-underlined" }, [
      _vm._v("Comments section")
    ]),
    _vm._v(" "),
    _c(
      "form",
      {
        staticClass: "mb-4",
        on: {
          submit: function($event) {
            $event.preventDefault()
            return _vm.submit($event)
          }
        }
      },
      [
        _c(
          "div",
          { staticClass: "bg-white shadow border rounded-lg h-20 py-3 px-8" },
          [
            _c("input", {
              attrs: { type: "hidden", name: "_token" },
              domProps: { value: _vm.csrf }
            }),
            _vm._v(" "),
            _c("textarea", {
              staticClass: "w-full resize-none focus:outline-none",
              attrs: {
                id: "commentArea",
                name: "text",
                placeholder: "Press enter to send..."
              }
            })
          ]
        )
      ]
    ),
    _vm._v(" "),
    _c(
      "div",
      { staticClass: "border border-gray-300 rounded-lg mb-2" },
      _vm._l(_vm.pageOfItems, function(comment) {
        return _c(
          "div",
          {
            key: comment.id,
            staticClass: "flex relative p-4 border-b border-b-gray-400"
          },
          [
            comment.user_id == _vm.user.id ||
            _vm.user.id == _vm.event.group.admin_id
              ? _c(
                  "button",
                  {
                    staticClass: "absolute top-3 right-3 focus:outline-none",
                    on: {
                      click: function($event) {
                        return _vm.deleteComment(comment)
                      }
                    }
                  },
                  [
                    _c("img", {
                      staticClass: "w-4",
                      attrs: { src: "/img/bin.png", alt: "delete" }
                    })
                  ]
                )
              : _vm._e(),
            _vm._v(" "),
            _c("div", { staticClass: "mr-2" }, [
              _c("img", {
                staticClass: "rounded-full object-cover h-15 w-15 mr-2",
                attrs: { src: comment.user.avatar, alt: "avatar" }
              })
            ]),
            _vm._v(" "),
            _c("div", { staticClass: "w-full" }, [
              _c("h5", { staticClass: "font-bold mb-2" }, [
                _vm._v(_vm._s(comment.user.name))
              ]),
              _vm._v(" "),
              _c("p", { staticClass: "text-sm mb-3 break-words" }, [
                _vm._v(
                  "\n                    " +
                    _vm._s(comment.text) +
                    "\n                "
                )
              ]),
              _vm._v(" "),
              _c("p", { staticClass: "text-xs float-right" }, [
                _vm._v(
                  "\n                    " +
                    _vm._s(
                      _vm._f("dateFormat")(
                        new Date(comment.created_at),
                        "HH:mm , DD.MM.YYYY"
                      )
                    ) +
                    "\n                "
                )
              ])
            ])
          ]
        )
      }),
      0
    ),
    _vm._v(" "),
    _c(
      "div",
      { staticClass: "text-center text-sm" },
      [
        _c("jw-pagination", {
          attrs: { items: _vm.comments, pageSize: 10 },
          on: { changePage: _vm.onChangePage }
        })
      ],
      1
    )
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/empty-group-panel.vue?vue&type=template&id=4a1e36fb&":
/*!********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/empty-group-panel.vue?vue&type=template&id=4a1e36fb& ***!
  \********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _vm._m(0)
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("div", { staticClass: "text-center pt-6 z-40 relative" }, [
      _c(
        "a",
        {
          staticClass:
            "bg-white mb-6 rounded-lg border border-gray-300 py-2 px-3 font-bold text-black text-xs hover:text-gray-500 hover:bg-gray-100",
          attrs: { href: "/create-group" }
        },
        [_vm._v("+\n    ")]
      ),
      _vm._v(" "),
      _c("div", { staticClass: "container text-center pt-4 pb-8" }, [
        _c("h2", { staticClass: "font-bold text-2xl mb-2" }, [
          _vm._v("Create a group")
        ])
      ]),
      _vm._v(" "),
      _c("p", { staticClass: "-mt-4" }, [
        _vm._v(
          "\n        Welcome to Radar, your personal group assistant.\n    "
        )
      ]),
      _vm._v(" "),
      _c("p", { staticClass: "mt-2" }, [
        _vm._v(
          '\n        Click on the "+" button above and create your\n        own group!\n    '
        )
      ]),
      _vm._v(" "),
      _c("p", { staticClass: "mt-2" }, [
        _vm._v(
          "\n        You can always come back to this page by clicking on the logo icon in the upper left corner.\n    "
        )
      ])
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/events/event-edit.vue?vue&type=template&id=60515fd8&":
/*!********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/events/event-edit.vue?vue&type=template&id=60515fd8& ***!
  \********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _c(
      "form",
      {
        on: {
          submit: function($event) {
            $event.preventDefault()
            return _vm.submit($event)
          }
        }
      },
      [
        _c("div", { staticClass: "md:w-3/4 m-auto py-6 px-8 mb-8" }, [
          _c("input", {
            attrs: { type: "hidden", name: "_token" },
            domProps: { value: _vm.csrf }
          }),
          _vm._v(" "),
          _vm.evEditErrors.text
            ? _c(
                "div",
                {
                  staticClass:
                    "flex items-center justify-between w-full mb-4 p-2 bg-red-500 shadow text-white"
                },
                [
                  _vm._v(
                    "\n                " +
                      _vm._s(_vm.evEditErrors.text[0]) +
                      "\n            "
                  )
                ]
              )
            : _vm._e(),
          _vm._v(" "),
          _c("div", { staticClass: "mx-auto w-full mb-10" }, [
            _c("p", { staticClass: "mb-4" }, [
              _c(
                "label",
                {
                  staticClass: "mb-2 uppercase font-bold text-sm",
                  attrs: { for: "name" }
                },
                [_vm._v("Name:")]
              ),
              _vm._v(" "),
              _c("br"),
              _vm._v(" "),
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.editedEvent.name,
                    expression: "editedEvent.name"
                  }
                ],
                staticClass: "border-b w-full p-2",
                attrs: { id: "name", type: "text", name: "name", required: "" },
                domProps: { value: _vm.editedEvent.name },
                on: {
                  input: function($event) {
                    if ($event.target.composing) {
                      return
                    }
                    _vm.$set(_vm.editedEvent, "name", $event.target.value)
                  }
                }
              })
            ]),
            _vm._v(" "),
            _c("div", { staticClass: "mb-4" }, [
              _c(
                "label",
                {
                  staticClass: "mb-2 uppercase font-bold text-sm",
                  attrs: { for: "description" }
                },
                [_vm._v("Description:")]
              ),
              _vm._v(" "),
              _c("br"),
              _vm._v(" "),
              _c("p", { staticClass: "text-sm text-gray-500" }, [
                _vm._v("(optional)")
              ]),
              _vm._v(" "),
              _c("textarea", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.editedEvent.description,
                    expression: "editedEvent.description"
                  }
                ],
                staticClass:
                  "w-full border-b p-2 h-24 resize-none focus:outline-none",
                attrs: {
                  name: "description",
                  placeholder: "tell your group about this event..."
                },
                domProps: { value: _vm.editedEvent.description },
                on: {
                  input: function($event) {
                    if ($event.target.composing) {
                      return
                    }
                    _vm.$set(
                      _vm.editedEvent,
                      "description",
                      $event.target.value
                    )
                  }
                }
              })
            ]),
            _vm._v(" "),
            _c("p", { staticClass: "mb-4" }, [
              _c(
                "label",
                {
                  staticClass: "mb-2 uppercase font-bold text-sm",
                  attrs: { for: "event_time" }
                },
                [_vm._v("When:")]
              ),
              _vm._v(" "),
              _c("br"),
              _vm._v(" "),
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.eventTime,
                    expression: "eventTime"
                  }
                ],
                staticClass: "border-b p-2",
                attrs: {
                  id: "event_time",
                  type: "datetime-local",
                  name: "event_time",
                  required: ""
                },
                domProps: { value: _vm.eventTime },
                on: {
                  input: function($event) {
                    if ($event.target.composing) {
                      return
                    }
                    _vm.eventTime = $event.target.value
                  }
                }
              })
            ]),
            _vm._v(" "),
            _c("div", { staticClass: "mb-6 mt-5" }, [
              _c(
                "label",
                {
                  staticClass: "mb-2 uppercase font-bold text-sm",
                  attrs: { for: "event_ending" }
                },
                [_vm._v("End time:")]
              ),
              _vm._v(" "),
              _c("br"),
              _vm._v(" "),
              _c("p", { staticClass: "text-sm text-gray-500" }, [
                _vm._v("(optional)")
              ]),
              _vm._v(" "),
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.eventEnding,
                    expression: "eventEnding"
                  }
                ],
                staticClass: "border-b p-2",
                attrs: {
                  id: "event_ending",
                  type: "datetime-local",
                  name: "event_ending"
                },
                domProps: { value: _vm.eventEnding },
                on: {
                  input: function($event) {
                    if ($event.target.composing) {
                      return
                    }
                    _vm.eventEnding = $event.target.value
                  }
                }
              })
            ]),
            _vm._v(" "),
            _vm.wrongDatesError
              ? _c(
                  "div",
                  {
                    staticClass:
                      "flex items-center justify-between w-full mb-10 p-2 bg-red-500 shadow text-white"
                  },
                  [
                    _vm._v(
                      "\n                    Oops. An event can not end before it starts.\n                "
                    )
                  ]
                )
              : _vm._e(),
            _vm._v(" "),
            _c("p", { staticClass: "mb-4" }, [
              _c(
                "label",
                {
                  staticClass: "mb-2 uppercase font-bold text-sm",
                  attrs: { for: "event_place" }
                },
                [_vm._v("Location:")]
              ),
              _vm._v(" "),
              _c("br"),
              _vm._v(" "),
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.editedEvent.event_place,
                    expression: "editedEvent.event_place"
                  }
                ],
                staticClass: "border-b w-full p-2",
                attrs: {
                  id: "event_place",
                  type: "text",
                  name: "event_place",
                  required: ""
                },
                domProps: { value: _vm.editedEvent.event_place },
                on: {
                  input: function($event) {
                    if ($event.target.composing) {
                      return
                    }
                    _vm.$set(
                      _vm.editedEvent,
                      "event_place",
                      $event.target.value
                    )
                  }
                }
              })
            ])
          ]),
          _vm._v(" "),
          _c(
            "button",
            {
              staticClass:
                "shadow float-right -mt-6 rounded border border-gray-300 py-2 px-4 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
              attrs: { type: "submit" }
            },
            [_vm._v("\n                Save changes\n            ")]
          )
        ])
      ]
    )
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/events/event-show.vue?vue&type=template&id=26bbc96a&":
/*!********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/events/event-show.vue?vue&type=template&id=26bbc96a& ***!
  \********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "div",
    [
      _c("div", { staticClass: "p-8 mr-2 mb-8" }, [
        _c("div", { staticClass: "float-right" }, [
          _vm.savedGoing && !_vm.savedGoing.includes(_vm.user.id)
            ? _c(
                "button",
                {
                  staticClass:
                    "rounded-lg py-2 px-4 mr-2 w-16 text-white text-sm bg-green-400 hover:bg-green-300 focus:outline-none",
                  on: {
                    click: function($event) {
                      return _vm.joinEvent()
                    }
                  }
                },
                [_vm._v("\n                Join\n            ")]
              )
            : _c(
                "button",
                {
                  staticClass:
                    "text-sm bg-blue-400 text-white rounded-lg w-16 py-2 hover:bg-blue-500 mr-2 focus:outline-none",
                  on: {
                    click: function($event) {
                      return _vm.leaveEvent()
                    }
                  }
                },
                [_vm._v("\n                Leave\n            ")]
              ),
          _vm._v(" "),
          _vm.event.group.admin_id == _vm.user.id ||
          _vm.event.host_id == _vm.user.id
            ? _c(
                "div",
                {
                  staticClass:
                    "float-right rounded-lg w-16 px-2 text-center py-2 mr-2 text-white text-sm bg-gray-400 hover:bg-gray-500 focus:outline-none"
                },
                [
                  _c(
                    "a",
                    {
                      staticClass: "p-3",
                      attrs: { href: _vm.event.id + "/edit" }
                    },
                    [_vm._v("\n                    Edit\n                ")]
                  )
                ]
              )
            : _vm._e(),
          _vm._v(" "),
          _vm.event.group.admin_id == _vm.user.id ||
          _vm.event.host_id == _vm.user.id
            ? _c(
                "button",
                {
                  staticClass:
                    "rounded-lg w-16 px-2 py-2 mr-2 text-white text-sm bg-red-400 hover:bg-red-300 focus:outline-none",
                  on: {
                    click: function($event) {
                      return _vm.checkWithUser()
                    }
                  }
                },
                [_vm._v("\n                Delete\n            ")]
              )
            : _vm._e()
        ]),
        _vm._v(" "),
        _c(
          "div",
          { staticClass: "overflow-ellipsis overflow-hidden ... max-w-sm" },
          [
            _c("h2", { staticClass: "font-bold text-2xl mb-4" }, [
              _vm._v(_vm._s(_vm.event.name))
            ])
          ]
        ),
        _vm._v(" "),
        _vm.cannotJoinOldEventError
          ? _c(
              "div",
              {
                staticClass:
                  "flex items-center justify-between w-full mt-5 mb-10 py-2 pl-5 bg-red-500 shadow text-white"
              },
              [
                _vm._v(
                  "\n                You can't join an event that already happened.\n        "
                )
              ]
            )
          : _vm._e(),
        _vm._v(" "),
        _vm.cannotLeaveOldEventError
          ? _c(
              "div",
              {
                staticClass:
                  "flex items-center justify-between w-full mt-5 mb-10 py-2 pl-5 bg-red-500 shadow text-white"
              },
              [
                _vm._v(
                  "\n                You can't leave an event that already happened.\n        "
                )
              ]
            )
          : _vm._e(),
        _vm._v(" "),
        _c(
          "div",
          {
            staticClass: "py-2 px-6 mb-2 mr-2 border-b border-gray-200 rounded"
          },
          [
            _vm._m(0),
            _vm._v(" "),
            _c("div", { staticClass: "bg-white rounded mb-2 pl-2 pt-2 pb-2" }, [
              _vm._v("\n                " + _vm._s(_vm.host) + "\n            ")
            ])
          ]
        ),
        _vm._v(" "),
        _c("div", { staticClass: "md:grid md:grid-cols-2 md:gap-2" }, [
          _c(
            "div",
            { staticClass: "mb-2 rounded border-b border-gray-200 px-6 p-4" },
            [
              _c("strong", [_vm._v("Start time:")]),
              _vm._v(" "),
              _c("p", { staticClass: "bg-white p-2 rounded" }, [
                _vm._v(
                  "\n                    " +
                    _vm._s(
                      _vm._f("dateFormat")(
                        new Date(_vm.event.event_time),
                        "DD.MM.YYYY , HH:mm"
                      )
                    ) +
                    "\n                "
                )
              ])
            ]
          ),
          _vm._v(" "),
          _c(
            "div",
            {
              staticClass: "mb-2 mr-2 rounded border-b border-gray-200 px-6 p-4"
            },
            [
              _c("strong", [_vm._v("End time:")]),
              _vm._v(" "),
              _vm.event.event_ending
                ? _c("p", { staticClass: "bg-white p-2 rounded" }, [
                    _vm._v(
                      "\n                    " +
                        _vm._s(
                          _vm._f("dateFormat")(
                            new Date(_vm.event.event_ending),
                            "DD.MM.YYYY , HH:mm"
                          )
                        ) +
                        "\n                "
                    )
                  ])
                : _c("p", { staticClass: "bg-white p-2 rounded" }, [
                    _vm._v("not set")
                  ])
            ]
          )
        ]),
        _vm._v(" "),
        _c(
          "div",
          {
            staticClass: "py-2 px-6 mb-2 mr-2 border-b border-gray-200 rounded"
          },
          [
            _vm._m(1),
            _vm._v(" "),
            _c("div", { staticClass: "bg-white rounded mb-2 pl-2 pt-2 pb-2" }, [
              _vm._v(
                "\n                " +
                  _vm._s(_vm.event.event_place) +
                  "\n            "
              )
            ])
          ]
        ),
        _vm._v(" "),
        _vm.event.description
          ? _c(
              "div",
              {
                staticClass:
                  "py-2 px-6 mb-2 mr-2 border-b border-gray-200 rounded"
              },
              [
                _vm._m(2),
                _vm._v(" "),
                _c(
                  "div",
                  { staticClass: "bg-white rounded mb-2 pl-2 pt-2 pb-2" },
                  [
                    _vm._v(
                      "\n                " +
                        _vm._s(_vm.event.description) +
                        "\n            "
                    )
                  ]
                )
              ]
            )
          : _vm._e(),
        _vm._v(" "),
        _c(
          "div",
          {
            staticClass: "pt-6 pb-1 px-6 mr-2 border-b border-gray-200 rounded"
          },
          [
            _vm._m(3),
            _vm._v(" "),
            _c("div", { staticClass: "bg-white rounded mb-4 py-4" }, [
              _vm.savedUsers.length > 0
                ? _c(
                    "div",
                    _vm._l(_vm.pageOfItems, function(goingUser) {
                      return _c("ul", { key: goingUser.name }, [
                        _c(
                          "li",
                          { staticClass: "flex items-center ml-2 mb-2" },
                          [
                            _c("img", {
                              staticClass:
                                "w-10 h-10 object-cover rounded-full mr-2",
                              attrs: { src: goingUser.avatar, alt: "avatar" }
                            }),
                            _vm._v(
                              "\n                            " +
                                _vm._s(goingUser.name) +
                                "\n                        "
                            )
                          ]
                        )
                      ])
                    }),
                    0
                  )
                : _vm._e(),
              _vm._v(" "),
              _c(
                "div",
                { staticClass: "text-center text-sm" },
                [
                  _c("jw-pagination", {
                    attrs: { items: _vm.savedUsers, pageSize: 10 },
                    on: { changePage: _vm.onChangePage }
                  })
                ],
                1
              )
            ])
          ]
        )
      ]),
      _vm._v(" "),
      _c("event-comments", { attrs: { user: this.user, event: this.event } })
    ],
    1
  )
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("p", { staticClass: "mb-2" }, [
      _c("strong", [_vm._v("Hosted by:")])
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("p", { staticClass: "mb-2" }, [
      _c("strong", [_vm._v("Location:")])
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("p", { staticClass: "mb-2" }, [
      _c("strong", [_vm._v("Description:")])
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("p", { staticClass: "mb-2" }, [
      _c("strong", [_vm._v("Who's coming:")])
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/events/events-table.vue?vue&type=template&id=e4898d56&":
/*!**********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/events/events-table.vue?vue&type=template&id=e4898d56& ***!
  \**********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _vm._m(0),
    _vm._v(" "),
    _c("p", { staticClass: "text-xs font-bold text-blue-500 float-left" }, [
      _vm._v("This month ")
    ]),
    _vm._v(" "),
    _c("p", { staticClass: "text-sm font-bold float-left ml-2 mr-2" }, [
      _vm._v("/")
    ]),
    _vm._v(" "),
    _c(
      "p",
      { staticClass: "float-left text-xs font-bold text-red-600 mb-4 mr-8" },
      [_vm._v(" In three days")]
    ),
    _vm._v(" "),
    _c("p", { staticClass: "text-xs px-1 font-medium bg-red-100 float-left" }, [
      _vm._v("Pending")
    ]),
    _vm._v(" "),
    _c("p", { staticClass: "text-sm font-bold float-left ml-2 mr-2" }, [
      _vm._v("/")
    ]),
    _vm._v(" "),
    _c(
      "p",
      { staticClass: "text-xs px-2 font-medium bg-green-100 float-left" },
      [_vm._v(" Joined")]
    ),
    _vm._v(" "),
    _c("div", { staticClass: "flex flex-col clear-both" }, [
      _c("div", { staticClass: "-my-2 overflow-x-auto sm:-mx-6 lg:-mx-8" }, [
        _c(
          "div",
          {
            staticClass:
              "py-2 align-middle inline-block min-w-full sm:px-6 lg:px-8"
          },
          [
            _c(
              "div",
              {
                staticClass:
                  "shadow overflow-hidden border-b border-gray-200 sm:rounded-lg"
              },
              [
                _c(
                  "table",
                  {
                    staticClass:
                      "min-w-full divide-y divide-gray-200 table-fixed"
                  },
                  [
                    _vm._m(1),
                    _vm._v(" "),
                    _c(
                      "tbody",
                      { staticClass: "bg-white divide-y divide-gray-200" },
                      _vm._l(_vm.pageOfItems, function(event) {
                        return _c(
                          "tr",
                          {
                            key: event.id,
                            class: {
                              "bg-green-100": event.users
                                .map(function(u) {
                                  return u.id
                                })
                                .includes(_vm.user.id),
                              "bg-red-100": !event.users
                                .map(function(u) {
                                  return u.id
                                })
                                .includes(_vm.user.id)
                            }
                          },
                          [
                            _c(
                              "td",
                              {
                                staticClass:
                                  "bg-white px-6 py-4 text-sm font-medium text-gray-900 whitespace-nowrap"
                              },
                              [
                                _c(
                                  "div",
                                  {
                                    staticClass: "w-32 text-sm font-bold",
                                    class: {
                                      "text-red-600": _vm.closeDate(
                                        new Date(event.event_time)
                                      ),
                                      "text-blue-500": _vm.soonToComeDate(
                                        new Date(event.event_time)
                                      ),
                                      "text-gray-500":
                                        new Date(event.event_time) < Date.now()
                                    }
                                  },
                                  [
                                    _vm._v(
                                      "\n                            " +
                                        _vm._s(
                                          _vm._f("dateFormat")(
                                            new Date(event.event_time),
                                            "DD.MM.YYYY , HH:mm"
                                          )
                                        ) +
                                        "\n                        "
                                    )
                                  ]
                                )
                              ]
                            ),
                            _vm._v(" "),
                            _c(
                              "td",
                              { staticClass: "px-6 py-4 whitespace-nowrap" },
                              [
                                _c(
                                  "div",
                                  {
                                    staticClass:
                                      "w-40 text-sm text-grey-900 truncate ..."
                                  },
                                  [
                                    _vm._v(
                                      "\n                                " +
                                        _vm._s(event.name) +
                                        "\n                        "
                                    )
                                  ]
                                )
                              ]
                            ),
                            _vm._v(" "),
                            _c(
                              "td",
                              { staticClass: "px-6 py-4 whitespace-nowrap" },
                              [
                                _c(
                                  "div",
                                  {
                                    staticClass:
                                      "w-32 text-sm text-grey-900 truncate ..."
                                  },
                                  [
                                    _vm._v(
                                      "\n                                " +
                                        _vm._s(event.event_place) +
                                        "\n                        "
                                    )
                                  ]
                                )
                              ]
                            ),
                            _vm._v(" "),
                            _c("td", [
                              _c(
                                "a",
                                {
                                  staticClass:
                                    "bg-white shadow border border-gray-300 rounded-lg py-2 px-2 mr-4 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                                  attrs: { href: "events/" + event.id }
                                },
                                [
                                  _vm._v(
                                    "\n                            Details\n                        "
                                  )
                                ]
                              )
                            ])
                          ]
                        )
                      }),
                      0
                    )
                  ]
                )
              ]
            ),
            _vm._v(" "),
            _c(
              "div",
              { staticClass: "mt-10 clear-both w-full text-center text-sm" },
              [
                _c("jw-pagination", {
                  attrs: { items: _vm.savedEvents, pageSize: 15 },
                  on: { changePage: _vm.onChangePage }
                })
              ],
              1
            ),
            _vm._v(" "),
            _c(
              "button",
              {
                staticClass:
                  "shadow w-min rounded-lg border border-gray-300 px-4 py-2 mb-2 bg-white text-sm leading-5 font-medium text-gray-700 hover:text-gray-500 hover:bg-gray-100 focus:outline-none",
                on: {
                  click: function($event) {
                    return _vm.loadOlderEvents()
                  }
                }
              },
              [_vm._v("\n        Load older\n    ")]
            )
          ]
        )
      ])
    ])
  ])
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("div", { staticClass: "space-x-2 w-full mb-4" }, [
      _c(
        "select",
        {
          staticClass:
            "inline-block rounded-lg bg-white border border-gray-300 text-gray-700 px-4 pr-8 h-8 mr-2 leading-tight focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
          attrs: { id: "filter" }
        },
        [
          _c("option", { attrs: { value: "all" } }, [_vm._v("All")]),
          _vm._v(" "),
          _c("option", { attrs: { value: "created" } }, [
            _vm._v("Hosted by me")
          ]),
          _vm._v(" "),
          _c("option", { attrs: { value: "joined" } }, [_vm._v("Going to")]),
          _vm._v(" "),
          _c("option", { attrs: { value: "pending" } }, [_vm._v("Pending")]),
          _vm._v(" "),
          _c("option", { attrs: { value: "noHost" } }, [
            _vm._v("Without a host")
          ])
        ]
      ),
      _vm._v(" "),
      _c(
        "div",
        {
          staticClass:
            "md:inline-block md:mt-0 mt-2 relative text-gray-600 md:w-1/3 w-48"
        },
        [
          _c("input", {
            staticClass:
              "rounded-lg bg-white border border-gray-300 text-gray-500 w-full h-8 px-5 pr-10 rounded-lg text-sm focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
            attrs: {
              id: "searchBar",
              type: "search",
              name: "searchBar",
              placeholder: "Search by name"
            }
          }),
          _vm._v(" "),
          _c(
            "button",
            {
              staticClass:
                "absolute right-0 top-2 mr-4 bg-transparent focus:outline-none",
              attrs: { id: "searchButton", type: "submit" }
            },
            [
              _c("img", {
                attrs: {
                  src: "/img/search.png",
                  width: "20",
                  height: "20",
                  alt: "submit"
                }
              })
            ]
          )
        ]
      )
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("thead", [
      _c("tr", [
        _c(
          "th",
          {
            staticClass:
              "px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase tracking-wider",
            attrs: { scope: "col" }
          },
          [_vm._v("\n                        When\n                    ")]
        ),
        _vm._v(" "),
        _c(
          "th",
          {
            staticClass:
              "px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase tracking-wider",
            attrs: { scope: "col" }
          },
          [_vm._v("\n                        What\n                    ")]
        ),
        _vm._v(" "),
        _c(
          "th",
          {
            staticClass:
              "px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase tracking-wider",
            attrs: { scope: "col" }
          },
          [_vm._v("\n                        Where\n                    ")]
        ),
        _vm._v(" "),
        _c("th", {
          staticClass: "px-6 py-3 bg-gray-50",
          attrs: { scope: "col" }
        })
      ])
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/events/group-events.vue?vue&type=template&id=2db608e2&":
/*!**********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/events/group-events.vue?vue&type=template&id=2db608e2& ***!
  \**********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "div",
    { staticClass: "mb-6" },
    [
      _c(
        "p",
        {
          staticClass:
            "-ml-8 block mb-5 font-bold text-lg text-center text-gray-700"
        },
        [_vm._v("\n        Events\n    ")]
      ),
      _vm._v(" "),
      _c("div", { staticClass: "h-12" }, [
        _c(
          "button",
          {
            staticClass:
              "shadow absolute r-0 w-min rounded border border-gray-300 px-4 py-2 mb-8 bg-white text-sm leading-5 font-medium text-gray-700 hover:text-gray-500 hover:bg-gray-100 focus:outline-none",
            on: {
              click: function($event) {
                _vm.createNewEvent = !_vm.createNewEvent
              }
            }
          },
          [_vm._v("\n            New Event\n        ")]
        )
      ]),
      _vm._v(" "),
      _vm.createNewEvent
        ? _c(
            "form",
            {
              on: {
                submit: function($event) {
                  $event.preventDefault()
                  return _vm.submit($event)
                }
              }
            },
            [
              _c(
                "div",
                {
                  staticClass:
                    "md:w-3/4 m-auto bg-white shadow border rounded py-6 px-8 mb-8"
                },
                [
                  _c("input", {
                    attrs: { type: "hidden", name: "_token" },
                    domProps: { value: _vm.csrf }
                  }),
                  _vm._v(" "),
                  _vm.groupEventsErrors.text
                    ? _c(
                        "div",
                        {
                          staticClass:
                            "flex items-center justify-between w-full mb-4 p-2 bg-red-500 shadow text-white"
                        },
                        [
                          _vm._v(
                            "\n                " +
                              _vm._s(_vm.groupEventsErrors.text[0]) +
                              "\n            "
                          )
                        ]
                      )
                    : _vm._e(),
                  _vm._v(" "),
                  _c("div", { staticClass: "mx-auto w-full mb-10" }, [
                    _c("p", { staticClass: "mb-4" }, [
                      _c(
                        "label",
                        {
                          staticClass: "mb-2 uppercase font-bold text-sm",
                          attrs: { for: "name" }
                        },
                        [_vm._v("Name:")]
                      ),
                      _vm._v(" "),
                      _c("br"),
                      _vm._v(" "),
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupEventsFields.name,
                            expression: "groupEventsFields.name"
                          }
                        ],
                        staticClass: "border w-full p-2",
                        attrs: {
                          id: "name",
                          type: "text",
                          name: "name",
                          required: ""
                        },
                        domProps: { value: _vm.groupEventsFields.name },
                        on: {
                          input: function($event) {
                            if ($event.target.composing) {
                              return
                            }
                            _vm.$set(
                              _vm.groupEventsFields,
                              "name",
                              $event.target.value
                            )
                          }
                        }
                      })
                    ]),
                    _vm._v(" "),
                    _c("div", { staticClass: "mb-4" }, [
                      _c(
                        "label",
                        {
                          staticClass: "mb-2 uppercase font-bold text-sm",
                          attrs: { for: "description" }
                        },
                        [_vm._v("Description:")]
                      ),
                      _vm._v(" "),
                      _c("br"),
                      _vm._v(" "),
                      _c("p", { staticClass: "text-sm text-gray-500" }, [
                        _vm._v("(optional)")
                      ]),
                      _vm._v(" "),
                      _c("textarea", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupEventsFields.description,
                            expression: "groupEventsFields.description"
                          }
                        ],
                        staticClass:
                          "w-full border p-2 h-24 resize-none focus:outline-none",
                        attrs: {
                          name: "description",
                          placeholder: "tell your group about this event..."
                        },
                        domProps: { value: _vm.groupEventsFields.description },
                        on: {
                          input: function($event) {
                            if ($event.target.composing) {
                              return
                            }
                            _vm.$set(
                              _vm.groupEventsFields,
                              "description",
                              $event.target.value
                            )
                          }
                        }
                      })
                    ]),
                    _vm._v(" "),
                    _c("p", { staticClass: "mb-4" }, [
                      _c(
                        "label",
                        {
                          staticClass: "mb-2 uppercase font-bold text-sm",
                          attrs: { for: "event_time" }
                        },
                        [_vm._v("Start time:")]
                      ),
                      _vm._v(" "),
                      _c("br"),
                      _vm._v(" "),
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupEventsFields.eventTime,
                            expression: "groupEventsFields.eventTime"
                          }
                        ],
                        staticClass: "border p-2",
                        attrs: {
                          id: "event_time",
                          type: "datetime-local",
                          name: "event_time",
                          required: ""
                        },
                        domProps: { value: _vm.groupEventsFields.eventTime },
                        on: {
                          input: function($event) {
                            if ($event.target.composing) {
                              return
                            }
                            _vm.$set(
                              _vm.groupEventsFields,
                              "eventTime",
                              $event.target.value
                            )
                          }
                        }
                      })
                    ]),
                    _vm._v(" "),
                    _c("div", { staticClass: "mb-6" }, [
                      _c(
                        "label",
                        {
                          staticClass: "mb-2 uppercase font-bold text-sm",
                          attrs: { for: "event_ending" }
                        },
                        [_vm._v("End time:")]
                      ),
                      _vm._v(" "),
                      _c("br"),
                      _vm._v(" "),
                      _c("p", { staticClass: "text-sm text-gray-500" }, [
                        _vm._v("(optional)")
                      ]),
                      _vm._v(" "),
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupEventsFields.eventEnding,
                            expression: "groupEventsFields.eventEnding"
                          }
                        ],
                        staticClass: "border p-2",
                        attrs: {
                          id: "event_ending",
                          type: "datetime-local",
                          name: "event_ending"
                        },
                        domProps: { value: _vm.groupEventsFields.eventEnding },
                        on: {
                          input: function($event) {
                            if ($event.target.composing) {
                              return
                            }
                            _vm.$set(
                              _vm.groupEventsFields,
                              "eventEnding",
                              $event.target.value
                            )
                          }
                        }
                      })
                    ]),
                    _vm._v(" "),
                    _vm.wrongDatesError
                      ? _c(
                          "div",
                          {
                            staticClass:
                              "flex items-center justify-between w-full mb-10 p-2 bg-red-500 shadow text-white"
                          },
                          [
                            _vm._v(
                              "\n                    Oops. An event can not end before it starts.\n                "
                            )
                          ]
                        )
                      : _vm._e(),
                    _vm._v(" "),
                    _c("p", { staticClass: "mb-4" }, [
                      _c(
                        "label",
                        {
                          staticClass: "mb-2 uppercase font-bold text-sm",
                          attrs: { for: "event_place" }
                        },
                        [_vm._v("Location:")]
                      ),
                      _vm._v(" "),
                      _c("br"),
                      _vm._v(" "),
                      _c("input", {
                        directives: [
                          {
                            name: "model",
                            rawName: "v-model",
                            value: _vm.groupEventsFields.eventPlace,
                            expression: "groupEventsFields.eventPlace"
                          }
                        ],
                        staticClass: "border w-full p-2",
                        attrs: {
                          id: "event_place",
                          type: "text",
                          name: "event_place",
                          required: ""
                        },
                        domProps: { value: _vm.groupEventsFields.eventPlace },
                        on: {
                          input: function($event) {
                            if ($event.target.composing) {
                              return
                            }
                            _vm.$set(
                              _vm.groupEventsFields,
                              "eventPlace",
                              $event.target.value
                            )
                          }
                        }
                      })
                    ])
                  ]),
                  _vm._v(" "),
                  _c(
                    "button",
                    {
                      staticClass:
                        "shadow float-right -mt-6 rounded border border-gray-300 py-2 px-4 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                      attrs: { type: "submit" }
                    },
                    [_vm._v("\n                Create an event\n            ")]
                  )
                ]
              )
            ]
          )
        : _vm._e(),
      _vm._v(" "),
      _vm.newEventCreated
        ? _c(
            "div",
            {
              staticClass:
                "flex items-center justify-between w-full mb-10 p-2 bg-green-500 shadow text-white"
            },
            [
              _vm._v(
                "\n        Your event was created! Check it out down below.\n    "
              )
            ]
          )
        : _vm._e(),
      _vm._v(" "),
      _c("events-table", {
        attrs: { user: _vm.user, group: _vm.group, events: _vm.savedEvents }
      })
    ],
    1
  )
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/group-panel.vue?vue&type=template&id=e4a29d8a&":
/*!**************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/group-panel.vue?vue&type=template&id=e4a29d8a& ***!
  \**************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", { staticClass: "text-center pt-6 z-30 relative" }, [
    _c(
      "a",
      {
        staticClass:
          "bg-white mb-6 rounded-lg border border-gray-300 py-2 px-3 font-bold text-black text-xs hover:text-gray-500 hover:bg-gray-100",
        attrs: { href: "/create-group" }
      },
      [_vm._v("+\n    ")]
    ),
    _vm._v(" "),
    _c("div", { staticClass: "container text-center pt-4 pb-8" }, [
      _vm.group
        ? _c("div", [
            _c("div", { staticClass: "mx-auto relative w-32 h-32" }, [
              _c("img", {
                staticClass:
                  "rounded shadow-lg mx-auto mb-2 object-cover w-32 h-32",
                attrs: { src: _vm.group.avatar, alt: "group-avatar" }
              }),
              _vm._v(" "),
              _vm.user.id == _vm.group.admin_id
                ? _c(
                    "a",
                    {
                      staticClass: "w-9 absolute top-1 right-1",
                      attrs: { href: "/groups/" + _vm.group.id + "/edit-group" }
                    },
                    [
                      _c("img", {
                        staticClass: "w-9 border border-gray-300 rounded-full",
                        attrs: { src: "/img/edit.png", alt: "edit" }
                      })
                    ]
                  )
                : _vm._e()
            ]),
            _vm._v(" "),
            _c("h2", { staticClass: "font-bold text-2xl" }, [
              _vm._v(_vm._s(_vm.group.name))
            ]),
            _vm._v(" "),
            _c("p", { staticClass: "text-sm text-gray-500 mb-6" }, [
              _vm._v("group")
            ]),
            _vm._v(" "),
            _c(
              "a",
              {
                staticClass:
                  "bg-white block w-32 h-8 shadow border border-gray-300 rounded-lg mx-auto mb-2 py-2 px-6 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                attrs: { href: "/groups/" + _vm.group.id + "/whiteboard" }
              },
              [_vm._v("Whiteboard\n            ")]
            ),
            _vm._v(" "),
            _c(
              "a",
              {
                staticClass:
                  "bg-white block w-32 h-8 shadow border border-gray-300 rounded-lg mx-auto mb-2 py-2 px-6 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                attrs: { href: "/assignments" }
              },
              [_vm._v("Assignments\n            ")]
            ),
            _vm._v(" "),
            _c(
              "a",
              {
                staticClass:
                  "bg-white block w-32 h-8 shadow border border-gray-300 rounded-lg mx-auto mb-2 py-2 px-6 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                attrs: { href: "/events" }
              },
              [_vm._v("Events\n            ")]
            ),
            _vm._v(" "),
            _vm.user.id == _vm.group.admin_id
              ? _c(
                  "a",
                  {
                    staticClass:
                      "bg-white block w-32 h-8 shadow border border-gray-300 rounded-lg mx-auto mb-2 py-2 px-6 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                    attrs: { href: "/group-statistics" }
                  },
                  [_vm._v("Workload\n            ")]
                )
              : _vm._e()
          ])
        : _c("div", [
            _c("h2", { staticClass: "font-bold text-2xl mb-6" }, [
              _vm._v("No Group")
            ])
          ])
    ])
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/groups/group-edit.vue?vue&type=template&id=ce96f110&":
/*!********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/groups/group-edit.vue?vue&type=template&id=ce96f110& ***!
  \********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _c(
      "p",
      {
        staticClass:
          "-ml-8 mt-4 block mb-5 font-bold text-lg text-center text-gray-700"
      },
      [_vm._v('\n        Edit "' + _vm._s(_vm.group.name) + '" group \n    ')]
    ),
    _vm._v(" "),
    _c(
      "div",
      {
        attrs: { enctype: "multipart/form-data" },
        on: {
          submit: function($event) {
            $event.preventDefault()
            return _vm.submit($event)
          }
        }
      },
      [
        _c("div", { staticClass: "mb-8" }, [
          _c(
            "label",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
              attrs: { for: "name" }
            },
            [_vm._v("\n                Name\n            ")]
          ),
          _vm._v(" "),
          _c("input", {
            directives: [
              {
                name: "model",
                rawName: "v-model",
                value: _vm.groupEditFields.name,
                expression: "groupEditFields.name"
              }
            ],
            staticClass:
              "focus:outline-none border-b border-gray-400 p-2 w-full",
            attrs: {
              type: "text",
              name: "name",
              id: "name",
              placeholder: _vm.group.name
            },
            domProps: { value: _vm.groupEditFields.name },
            on: {
              input: function($event) {
                if ($event.target.composing) {
                  return
                }
                _vm.$set(_vm.groupEditFields, "name", $event.target.value)
              }
            }
          })
        ]),
        _vm._v(" "),
        _c("div", { staticClass: "mb-8" }, [
          _c(
            "label",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
              attrs: { for: "avatar" }
            },
            [_vm._v("\n                Avatar\n            ")]
          ),
          _vm._v(" "),
          _c("div", { staticClass: "flex text-sm -ml-2" }, [
            _c("input", {
              ref: "avatar",
              staticClass: "p-2 my-auto w-full",
              attrs: {
                type: "file",
                name: "avatar",
                id: "avatar",
                accept: ".jpg, .jpeg, .png"
              },
              on: {
                change: function($event) {
                  return _vm.handleAvatarUpload()
                }
              }
            }),
            _vm._v(" "),
            _c("img", {
              staticClass: "w-16 h-16 object-cover border-2 border-gray-400",
              attrs: { src: _vm.avatar, alt: "avatar" }
            })
          ]),
          _vm._v(" "),
          _vm.avatarTooBig
            ? _c(
                "p",
                {
                  staticClass:
                    "flex items-center justify-between w-full my-5 p-2 bg-red-500 shadow text-white"
                },
                [
                  _vm._v(
                    "\n                Please choose a picture under 5MB.\n            "
                  )
                ]
              )
            : _vm._e()
        ]),
        _vm._v(" "),
        _vm.user.id == _vm.group.admin_id
          ? _c("div", { staticClass: "mb-8" }, [
              _c("p", { staticClass: "text-sm text-gray-600" }, [
                _vm._v(
                  "You can't leave this group unless you pass on your admin rights."
                )
              ]),
              _vm._v(" "),
              _c(
                "label",
                {
                  staticClass:
                    "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
                  attrs: { for: "admin_id" }
                },
                [_vm._v("\n                Pick a new admin\n            ")]
              ),
              _vm._v(" "),
              _c(
                "select",
                {
                  directives: [
                    {
                      name: "model",
                      rawName: "v-model",
                      value: _vm.groupEditFields.admin_id,
                      expression: "groupEditFields.admin_id"
                    }
                  ],
                  staticClass: "border-b border-gray-400",
                  attrs: { name: "admin_id", id: "admin_id" },
                  on: {
                    change: function($event) {
                      var $$selectedVal = Array.prototype.filter
                        .call($event.target.options, function(o) {
                          return o.selected
                        })
                        .map(function(o) {
                          var val = "_value" in o ? o._value : o.value
                          return val
                        })
                      _vm.$set(
                        _vm.groupEditFields,
                        "admin_id",
                        $event.target.multiple
                          ? $$selectedVal
                          : $$selectedVal[0]
                      )
                    }
                  }
                },
                [
                  _c("option", { domProps: { value: _vm.user.id } }, [
                    _vm._v(_vm._s(_vm.user.name))
                  ]),
                  _vm._v(" "),
                  _vm._l(_vm.members, function(member) {
                    return _c(
                      "option",
                      { key: member.id, domProps: { value: member.id } },
                      [
                        _vm._v(
                          "\n                    " +
                            _vm._s(member.name) +
                            "\n                "
                        )
                      ]
                    )
                  })
                ],
                2
              )
            ])
          : _vm._e(),
        _vm._v(" "),
        _vm.groupEditFields.admin_id &&
        _vm.groupEditFields.admin_id != _vm.user.id
          ? _c("div", [
              _c(
                "div",
                {
                  staticClass:
                    "flex items-center justify-between w-full mb-4 p-2 bg-yellow-400 shadow text-white"
                },
                [
                  _vm._v(
                    "\n                Passing your admin rights is irreversible.\n            "
                  )
                ]
              ),
              _vm._v(" "),
              _vm._m(0)
            ])
          : _vm._e(),
        _vm._v(" "),
        _vm.groupEditFields.admin_id != _vm.user.id && _vm.adminChangeFailed
          ? _c(
              "div",
              {
                staticClass:
                  "flex items-center justify-between w-full mb-10 p-2 bg-red-500 shadow text-white"
              },
              [
                _vm._v(
                  '\n            Please type "yes" if you wish to pass your admin rights.\n        '
                )
              ]
            )
          : _vm._e(),
        _vm._v(" "),
        !_vm.groupEditFields.admin_id &&
        !_vm.groupEditFields.name &&
        _vm.emptyEditSubmitted
          ? _c(
              "div",
              {
                staticClass:
                  "flex items-center justify-between w-full mb-10 p-2 bg-red-500 shadow text-white"
              },
              [
                _vm._v(
                  "\n            There are no changes to submit.\n        "
                )
              ]
            )
          : _vm._e(),
        _vm._v(" "),
        _c("div", { staticClass: "mb-6" }, [
          _c(
            "button",
            {
              staticClass:
                "bg-blue-400 text-white rounded py-2 px-4 hover:bg-blue-500 mr-4 focus:outline-none",
              attrs: { type: "submit" },
              on: {
                submit: function($event) {
                  $event.preventDefault()
                  return _vm.submit($event)
                },
                click: function($event) {
                  return _vm.submit()
                }
              }
            },
            [_vm._v("\n                Submit\n            ")]
          )
        ]),
        _vm._v(" "),
        _c("div", { staticClass: "w-full mt-12 border-b mb-12 rounded-full" }),
        _vm._v(" "),
        _c(
          "button",
          {
            staticClass:
              "rounded px-2 py-3 mr-2 mb-8 uppercase text-white text-sm border bg-red-300 border-red-400 hover:bg-red-500 focus:outline-none",
            on: {
              click: function($event) {
                return _vm.deleteGroup()
              }
            }
          },
          [_vm._v("\n            Delete this group\n        ")]
        ),
        _vm._v(" "),
        _vm.deletingGroup
          ? _c("div", [_vm._m(1), _vm._v(" "), _vm._m(2)])
          : _vm._e()
      ]
    )
  ])
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("div", { staticClass: "mb-12" }, [
      _c(
        "label",
        {
          staticClass:
            "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
          attrs: { for: "checkAdminChange" }
        },
        [
          _vm._v(
            '\n                    Please type "yes" to pass your admin rights.\n                '
          )
        ]
      ),
      _vm._v(" "),
      _c("input", {
        staticClass: "focus:outline-none border-b border-gray-400 p-2",
        attrs: {
          type: "text",
          name: "checkAdminChange",
          id: "checkAdminChange",
          placeholder: "do you wish to proceed?"
        }
      })
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c(
      "div",
      {
        staticClass:
          "flex items-center justify-between w-full mt-6 mb-6 p-2 bg-yellow-400 shadow text-white"
      },
      [
        _vm._v("\n                Deleting a group is irreversible. "),
        _c("br"),
        _vm._v(
          "\n                If you wish to preserve this group you have to pass your admin rights "
        ),
        _c("br"),
        _vm._v("\n                to another member BEFORE continuing. "),
        _c("br"),
        _vm._v(
          "\n                Otherwise everything will be lost.\n            "
        )
      ]
    )
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("div", { staticClass: "mb-12" }, [
      _c(
        "label",
        {
          staticClass:
            "mt-4 block mb-2 uppercase font-bold text-sm text-red-500",
          attrs: { for: "checkDeleting" }
        },
        [
          _vm._v(
            '\n                    Please type "yes" to delete this group.\n                '
          )
        ]
      ),
      _vm._v(" "),
      _c("input", {
        staticClass: "focus:outline-none border-b border-gray-400 p-2",
        attrs: {
          type: "text",
          name: "checkDeleting",
          id: "checkDeleting",
          placeholder: "do you wish to proceed?"
        }
      })
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/groups/group-statistics.vue?vue&type=template&id=26d5dd91&":
/*!**************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/groups/group-statistics.vue?vue&type=template&id=26d5dd91& ***!
  \**************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _c(
      "div",
      [
        _c(
          "h3",
          { staticClass: "text-center font-bold text-lg mb-5 text-gray-700" },
          [_vm._v("\n            Team Workload\n        ")]
        ),
        _vm._v(" "),
        _vm._m(0),
        _vm._v(" "),
        _c("div", { staticClass: "clear-both mb-3" }),
        _vm._v(" "),
        _c("p", { staticClass: "text-sm font-bold float-left ml-2 mr-2" }, [
          _vm._v("%")
        ]),
        _vm._v(" "),
        _c("p", { staticClass: "text-xs font-bold text-blue-500 float-left" }, [
          _vm._v("\n            = users assignments\n        ")
        ]),
        _vm._v(" "),
        _c("p", { staticClass: "text-sm font-bold float-left ml-2 mr-2" }, [
          _vm._v("/")
        ]),
        _vm._v(" "),
        _c(
          "p",
          {
            staticClass: "float-left text-xs font-bold text-red-600 mb-4 mr-3"
          },
          [_vm._v("\n            all assignments\n        ")]
        ),
        _vm._v(" "),
        _c(
          "button",
          {
            staticClass:
              "float-left bg-white mb-2 -mt-1 rounded-full border border-gray-300 py-1 px-2 font-bold text-black text-xs hover:text-gray-500 hover:bg-gray-100",
            on: {
              click: function($event) {
                _vm.showInfo = !_vm.showInfo
              }
            }
          },
          [_vm._v("\n            ?\n        ")]
        ),
        _vm._v(" "),
        _c("div", { staticClass: "clear-both mb-2" }),
        _vm._v(" "),
        _vm.showInfo
          ? _c("div", { staticClass: "text-sm mb-6 text-gray-500 mx-5" }, [
              _c("p", [
                _vm._v(
                  "\n                This statistics is here to help you keeping your teams work\n                balanced.\n            "
                )
              ]),
              _vm._v(" "),
              _c("p", [
                _vm._v(
                  "\n                Members are sorted by number of their assignments in\n                ascending order.\n            "
                )
              ])
            ])
          : _vm._e(),
        _vm._v(" "),
        _c("div", { staticClass: "clear-both" }),
        _vm._v(" "),
        _vm._l(_vm.pageOfItems, function(statUser) {
          return _c(
            "div",
            {
              key: statUser.id,
              staticClass:
                "relative float-left w-32 h-44 py-2 mr-5 text-center shadow-md border border-gray-200"
            },
            [
              !statUser.user_to_all
                ? _c("img", {
                    staticClass:
                      "rounded-full shadow-sm mx-auto mb-1 w-20 h-20 object-cover border-8 border-green-400 border-opacity-30",
                    attrs: {
                      src: _vm.avatarPath(statUser.avatar),
                      alt: "avatar"
                    }
                  })
                : _c("img", {
                    staticClass:
                      "rounded-full shadow-sm mx-auto mb-1 w-20 h-20 object-cover border-8",
                    style:
                      "border-color: rgba(0, " +
                      (220 - Math.ceil(130 * statUser.user_to_all)) +
                      " , 0, 0.3)",
                    attrs: {
                      src: _vm.avatarPath(statUser.avatar),
                      alt: "avatar"
                    }
                  }),
              _vm._v(" "),
              _c("div", { staticClass: "max-h-14 overflow-y-auto" }, [
                _c(
                  "a",
                  {
                    staticClass: "hover:underline",
                    attrs: { href: "/profile/" + statUser.username }
                  },
                  [
                    _vm._v(
                      "\n                    " +
                        _vm._s(statUser.name) +
                        "\n                "
                    )
                  ]
                )
              ]),
              _vm._v(" "),
              statUser.user_to_all
                ? _c(
                    "p",
                    {
                      staticClass:
                        "text-sm font-medium absolute bottom-0 right-8"
                    },
                    [
                      _vm._v(
                        "\n                " +
                          _vm._s((statUser.user_to_all * 100).toFixed(2)) +
                          " %\n            "
                      )
                    ]
                  )
                : _c(
                    "p",
                    {
                      staticClass:
                        "text-sm font-medium absolute bottom-0 right-9"
                    },
                    [_vm._v("\n                0.00 %\n            ")]
                  )
            ]
          )
        })
      ],
      2
    ),
    _vm._v(" "),
    _c("div", { staticClass: "clear-both h-10" }),
    _vm._v(" "),
    _c(
      "div",
      { staticClass: "mt-5 clear-both w-full text-center text-sm" },
      [
        _c("jw-pagination", {
          attrs: { items: _vm.shownUsers, pageSize: 20 },
          on: { changePage: _vm.onChangePage }
        })
      ],
      1
    )
  ])
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c(
      "div",
      { staticClass: "inline-block relative text-gray-600 w-1/3" },
      [
        _c("input", {
          staticClass:
            "rounded-lg bg-white border border-gray-300 text-gray-500 w-full h-8 px-5 pr-10 rounded-lg text-sm focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
          attrs: {
            id: "searchBar",
            type: "search",
            name: "searchBar",
            placeholder: "Search by name"
          }
        }),
        _vm._v(" "),
        _c(
          "button",
          {
            staticClass:
              "absolute right-0 top-2 mr-4 bg-transparent focus:outline-none",
            attrs: { id: "searchButton", type: "submit" }
          },
          [
            _c("img", {
              attrs: {
                src: "/img/search.png",
                width: "20",
                height: "20",
                alt: "submit"
              }
            })
          ]
        )
      ]
    )
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/groups/group-whiteboard.vue?vue&type=template&id=7e3253cb&":
/*!**************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/groups/group-whiteboard.vue?vue&type=template&id=7e3253cb& ***!
  \**************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _c(
      "p",
      {
        staticClass:
          "-ml-8 block mb-5 font-bold text-lg text-center text-gray-700"
      },
      [_vm._v("\n        Whiteboard\n    ")]
    ),
    _vm._v(" "),
    _c("p", { staticClass: "text-sm text-gray-500 mb-1" }, [
      _vm._v("editable by admin")
    ]),
    _vm._v(" "),
    !_vm.editingBoard
      ? _c(
          "div",
          {
            staticClass:
              "relative bg-purple-100 border-gray-300 rounded-lg p-5 mb-5"
          },
          [
            _vm.groupBoard
              ? _c("p", [_vm._v(_vm._s(_vm.groupBoard))])
              : _vm._e(),
            _vm._v(" "),
            !_vm.groupBoard && _vm.group.admin_id == _vm.user.id
              ? _c("p", { staticClass: "text-gray-400 text-sm text-center" }, [
                  _vm._v(
                    "\n            Write here for others to see!\n        "
                  )
                ])
              : _vm._e(),
            _vm._v(" "),
            !_vm.groupBoard && _vm.group.admin_id != _vm.user.id
              ? _c("p", { staticClass: "text-gray-400 text-center" }, [
                  _vm._v("\n            ...\n        ")
                ])
              : _vm._e(),
            _vm._v(" "),
            _vm.group.admin_id == _vm.user.id
              ? _c("div", { staticClass: "absolute top-1 right-1" }, [
                  _c(
                    "button",
                    {
                      staticClass: "focus:outline-none",
                      on: {
                        click: function($event) {
                          _vm.editingBoard = !_vm.editingBoard
                        }
                      }
                    },
                    [
                      _c("img", {
                        staticClass: "w-9 border border-gray-300 rounded-full",
                        attrs: { src: "/img/edit.png", alt: "edit" }
                      })
                    ]
                  )
                ])
              : _vm._e()
          ]
        )
      : _vm._e(),
    _vm._v(" "),
    _vm.editingBoard
      ? _c("div", { staticClass: "relative" }, [
          _c("textarea", {
            staticClass:
              "relative w-full resize-none bg-purple-100 border-gray-300 rounded-lg p-5 mb-5 focus:outline-none",
            attrs: {
              id: "boardArea",
              name: "text",
              placeholder: _vm.groupBoard,
              maxlength: "500"
            }
          }),
          _vm._v(" "),
          _vm.group.admin_id == _vm.user.id
            ? _c("div", { staticClass: "absolute z-40 top-1 right-1" }, [
                _c(
                  "button",
                  {
                    staticClass: "focus:outline-none",
                    on: {
                      click: function($event) {
                        return _vm.editBoard()
                      }
                    }
                  },
                  [
                    _c("img", {
                      staticClass: "w-9 border border-gray-300 rounded-full",
                      attrs: { src: "/img/edit.png", alt: "edit" }
                    })
                  ]
                ),
                _vm._v(" "),
                _c(
                  "button",
                  {
                    staticClass: "focus:outline-none",
                    on: {
                      click: function($event) {
                        _vm.editingBoard = !_vm.editingBoard
                      }
                    }
                  },
                  [
                    _c("img", {
                      staticClass: "w-9 border border-gray-300 rounded-full",
                      attrs: { src: "/img/cancel.png", alt: "edit" }
                    })
                  ]
                )
              ])
            : _vm._e()
        ])
      : _vm._e(),
    _vm._v(" "),
    _c(
      "div",
      {
        ref: "whiteboard",
        staticClass: "container mb-2 pr-4 h-80 overflow-y-scroll min-h-screen",
        attrs: { id: "whiteboard" }
      },
      [
        _c(
          "button",
          {
            staticClass:
              "bg-white text-sm text-center relative clear-both w-full h-8 px-4 pt-1 mb-4 border border-gray-300 hover:bg-purple-100 focus:outline-none focus:bg-purple-100",
            on: {
              click: function($event) {
                return _vm.loadOlderPosts()
              }
            }
          },
          [_vm._v("\n            Load older posts\n        ")]
        ),
        _vm._v(" "),
        _vm._l(_vm.posts, function(post) {
          return _c(
            "div",
            {
              key: post.id,
              staticClass:
                "bg-white relative clear-both w-full px-4 pt-4 mb-2 border border-gray-300 rounded-lg",
              class: {
                "float-right bg-purple-100": post.sender.id == _vm.user.id,
                "pb-6": post.sender.id != _vm.user.id
              }
            },
            [
              post.sender_id == _vm.user.id || _vm.user.id == _vm.group.admin_id
                ? _c(
                    "button",
                    {
                      staticClass: "absolute top-3 right-3",
                      on: {
                        click: function($event) {
                          return _vm.deletePost(post)
                        }
                      }
                    },
                    [
                      _c("img", {
                        staticClass: "w-4",
                        attrs: { src: "/img/bin.png", alt: "delete" }
                      })
                    ]
                  )
                : _vm._e(),
              _vm._v(" "),
              _c("div", [
                _c(
                  "h5",
                  { staticClass: "text-xs text-gray-500 absolute bottom-0" },
                  [
                    _vm._v(
                      "\n                    " +
                        _vm._s(post.sender.name) +
                        "\n                "
                    )
                  ]
                ),
                _vm._v(" "),
                _c("div", { staticClass: "float-left mr-2" }, [
                  _c("img", {
                    staticClass:
                      "rounded-full object-cover md:h-15 md:w-15 w-9 h-9 mr-2 mb-3",
                    attrs: { src: post.sender.avatar, alt: "avatar" }
                  })
                ]),
                _vm._v(" "),
                _c("div", [
                  _c("div", { staticClass: "text-sm mb-3 break-words p-4" }, [
                    _vm._v(
                      "\n                        " +
                        _vm._s(post.text) +
                        "\n                        "
                    ),
                    post.image_path
                      ? _c("div", [
                          _c("img", {
                            staticClass: "max-h-80 max-w-lg mx-auto",
                            attrs: {
                              src: "/storage/" + post.image_path,
                              alt: "image"
                            }
                          })
                        ])
                      : _vm._e(),
                    _vm._v(" "),
                    post.file_path
                      ? _c("div", [
                          post.file_name
                            ? _c(
                                "a",
                                {
                                  staticClass: "font-semibold underline",
                                  attrs: { href: "/storage/" + post.file_path }
                                },
                                [
                                  _vm._v(
                                    "\n                                " +
                                      _vm._s(post.file_name) +
                                      "\n                            "
                                  )
                                ]
                              )
                            : _c(
                                "a",
                                {
                                  staticClass: "font-semibold underline",
                                  attrs: { href: "/storage/" + post.file_path }
                                },
                                [
                                  _vm._v(
                                    "\n                                attached file\n                            "
                                  )
                                ]
                              )
                        ])
                      : _vm._e()
                  ]),
                  _vm._v(" "),
                  _c(
                    "p",
                    {
                      staticClass:
                        "text-xs md:float-right md:relative md:mb-2 absolute top-0 left-1"
                    },
                    [
                      _vm._v(
                        "\n                        " +
                          _vm._s(
                            _vm._f("dateFormat")(
                              new Date(post.created_at),
                              "HH:mm , DD.MM.YYYY"
                            )
                          ) +
                          "\n                    "
                      )
                    ]
                  )
                ])
              ])
            ]
          )
        })
      ],
      2
    ),
    _vm._v(" "),
    _c(
      "div",
      {
        staticClass: "mb-4 clear-both",
        on: {
          submit: function($event) {
            $event.preventDefault()
            return _vm.submit()
          }
        }
      },
      [
        _c(
          "div",
          {
            staticClass:
              "bg-white relative h-24 w-full px-4 pt-4 mt-4 mb-2 border border-gray-300 rounded-lg"
          },
          [
            _c("textarea", {
              staticClass: "w-full resize-none focus:outline-none",
              attrs: {
                id: "postArea",
                name: "text",
                placeholder: "New post...",
                maxlength: "1000"
              }
            }),
            _vm._v(" "),
            _c("div", { staticClass: "absolute bottom-2 right-0" }, [
              _c(
                "button",
                {
                  staticClass:
                    "text-sm bg-blue-400 text-white rounded-full w-10 px-2 py-2 mr-2 hover:bg-blue-500 focus:outline-none",
                  attrs: { id: "sendImage", type: "submit" },
                  on: {
                    submit: function($event) {
                      $event.preventDefault()
                      return _vm.submit()
                    },
                    click: function($event) {
                      return _vm.submit()
                    }
                  }
                },
                [
                  _c("img", {
                    staticClass: "w-8",
                    attrs: { src: "/img/send_icon.png", alt: "send" }
                  })
                ]
              )
            ])
          ]
        ),
        _vm._v(" "),
        _c(
          "button",
          {
            staticClass: "relative",
            on: {
              click: function($event) {
                _vm.uploadImage = !_vm.uploadImage
              }
            }
          },
          [
            _c("img", {
              staticClass: "h-16",
              attrs: { src: "/img/image.png", alt: "icon", srcset: "" }
            })
          ]
        ),
        _vm._v(" "),
        _c(
          "button",
          {
            staticClass: "relative mb-5",
            on: {
              click: function($event) {
                _vm.uploadFile = !_vm.uploadFile
              }
            }
          },
          [
            _c("img", {
              staticClass: "h-16",
              attrs: { src: "/img/file.png", alt: "icon", srcset: "" }
            })
          ]
        ),
        _vm._v(" "),
        _vm.uploadImage
          ? _c("div", { staticClass: "mb-6" }, [
              _c("div", { staticClass: "relative" }, [
                _c(
                  "label",
                  {
                    staticClass: "font-bold mb-4 text-underlined",
                    attrs: { for: "image" }
                  },
                  [
                    _vm._v(
                      "\n                    Select a photo\n                "
                    )
                  ]
                ),
                _vm._v(" "),
                _c(
                  "div",
                  {
                    staticClass: "text-sm mt-4 file-upload-wrapper",
                    attrs: { "data-text": "Select a photo!" }
                  },
                  [
                    _c("input", {
                      ref: "image",
                      attrs: {
                        type: "file",
                        id: "image",
                        accept: ".jpg, .jpeg, .png, .gif"
                      },
                      on: {
                        change: function($event) {
                          return _vm.handleImageUpload()
                        }
                      }
                    })
                  ]
                )
              ])
            ])
          : _vm._e(),
        _vm._v(" "),
        _vm.imageTooBig
          ? _c(
              "p",
              {
                staticClass:
                  "flex items-center justify-between w-full my-5 p-2 bg-red-500 shadow text-white"
              },
              [
                _vm._v(
                  "\n            Please choose a picture under 5MB.\n        "
                )
              ]
            )
          : _vm._e(),
        _vm._v(" "),
        _c("div", { staticClass: "clear-both mb-6" }),
        _vm._v(" "),
        _vm.uploadFile
          ? _c("div", [
              _c("div", { staticClass: "relative mb-2 lg:float-left" }, [
                _c(
                  "label",
                  {
                    staticClass: "font-bold mb-4 text-underlined",
                    attrs: { for: "file_path" }
                  },
                  [
                    _vm._v(
                      "\n                    Select a file\n                "
                    )
                  ]
                ),
                _vm._v(" "),
                _c(
                  "div",
                  {
                    staticClass: "text-sm mt-4 file-upload-wrapper",
                    attrs: { "data-text": "Select your file!" }
                  },
                  [
                    _c("input", {
                      ref: "file",
                      attrs: { type: "file", id: "file" },
                      on: {
                        change: function($event) {
                          return _vm.handleFileUpload()
                        }
                      }
                    })
                  ]
                )
              ]),
              _vm._v(" "),
              _vm._m(0),
              _vm._v(" "),
              _vm.fileTooBig
                ? _c(
                    "p",
                    {
                      staticClass:
                        "flex items-center justify-between w-full my-5 p-2 bg-red-500 shadow text-white"
                    },
                    [
                      _vm._v(
                        "\n                Please choose a file under 25MB.\n            "
                      )
                    ]
                  )
                : _vm._e()
            ])
          : _vm._e()
      ]
    )
  ])
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c(
      "div",
      { staticClass: "relative mt-5 mb-2 xl:float-right xl:mt-0 mt-4" },
      [
        _c(
          "label",
          {
            staticClass: "font-bold mb-4 text-underline",
            attrs: { for: "file_name" }
          },
          [_vm._v("\n                    Name your file\n                ")]
        ),
        _vm._v(" "),
        _c("br"),
        _vm._v(" "),
        _c("input", {
          staticClass:
            "border-b border-gray-400 p-2 mb-4 w-64 focus:outline-none",
          attrs: {
            id: "file_name",
            type: "text",
            name: "file_name",
            value: "",
            pattern: "[a-zA-Z0-9_-]+"
          }
        }),
        _vm._v(" "),
        _c("br"),
        _vm._v(" "),
        _c("p", { staticClass: "text-xs mb-2" }, [_vm._v("(max 1000 chars)")])
      ]
    )
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/members-panel.vue?vue&type=template&id=182f2415&":
/*!****************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/members-panel.vue?vue&type=template&id=182f2415& ***!
  \****************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", { staticClass: "container text-center pb-4 pt-7" }, [
    _c("h2", { staticClass: "font-bold text-2xl mb-4" }, [
      _vm._v("Group members")
    ]),
    _vm._v(" "),
    _vm.members
      ? _c(
          "ul",
          { staticClass: "w-full max-w-md mb-2" },
          _vm._l(_vm.visibleMembers, function(member) {
            return _c(
              "li",
              {
                key: member.name,
                staticClass: "p-4 mb-1 flex justify-between items-center"
              },
              [
                _c("a", { attrs: { href: "/profile/" + member.username } }, [
                  member.id == _vm.group.admin_id
                    ? _c("p", { staticClass: "text-xs text-gray-600 ml-4" }, [
                        _vm._v(
                          "\n                    group admin\n                "
                        )
                      ])
                    : _vm._e(),
                  _vm._v(" "),
                  _c("div", { staticClass: "flex items-center" }, [
                    _c("img", {
                      staticClass: "w-10 h-10 object-cover rounded-full",
                      attrs: { src: member.avatar, alt: "avatar" }
                    }),
                    _vm._v(" "),
                    _c(
                      "p",
                      {
                        staticClass:
                          "hover:underline ml-2 text-left font-semibold font-sans tracking-wide"
                      },
                      [
                        _vm._v(
                          "\n                        " +
                            _vm._s(member.name) +
                            "\n                    "
                        )
                      ]
                    )
                  ])
                ])
              ]
            )
          }),
          0
        )
      : _c("p", [_vm._v("No members")]),
    _vm._v(" "),
    _c("div", { staticClass: "flex w-full justify-between" }, [
      _vm.user.id == _vm.group.admin_id
        ? _c(
            "a",
            {
              staticClass:
                "bg-white w-24 float-left m-2 shadow border border-gray-300 py-2 px-4 text-black text-xs hover:text-gray-500 hover:bg-gray-100 rounded-lg",
              attrs: { href: "/groups/" + _vm.group.id + "/invite-member" }
            },
            [_vm._v("Invite\n        ")]
          )
        : _vm._e(),
      _vm._v(" "),
      _vm.members.length > 0
        ? _c(
            "a",
            {
              staticClass:
                "bg-white w-24 float-right m-2 shadow border border-gray-300 py-2 px-4 text-black text-xs hover:text-gray-500 hover:bg-gray-100 rounded-lg",
              attrs: { href: "/groups/" + _vm.group.id + "/all-members/" }
            },
            [_vm._v("Show all\n        ")]
          )
        : _vm._e(),
      _vm._v(" "),
      _vm.user.id != _vm.group.admin_id
        ? _c(
            "button",
            {
              staticClass:
                "bg-white w-24 float-left m-2 shadow border border-red-400 py-2 px-4 text-white text-xs bg-red-300 hover:bg-red-500 rounded-lg focus:outline-none",
              attrs: { href: "/group-statistics" },
              on: {
                click: function($event) {
                  return _vm.checkWithUserPanel()
                }
              }
            },
            [_vm._v("\n            Leave\n        ")]
          )
        : _vm._e()
    ])
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/navbar/group-selection.vue?vue&type=template&id=c6f2776c&":
/*!*************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/navbar/group-selection.vue?vue&type=template&id=c6f2776c& ***!
  \*************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", { staticClass: "relative" }, [
    _c(
      "select",
      {
        staticClass:
          "inline-block rounded-lg bg-white border border-gray-300 text-gray-700 px-4 pr-8 h-8 mr-2 leading-tight focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
        attrs: { id: "groupSelect" },
        on: {
          click: function($event) {
            return _vm.selected()
          }
        }
      },
      _vm._l(_vm.groups, function(group) {
        return _c("option", { key: group.id, domProps: { value: group.id } }, [
          _vm._v("\n            " + _vm._s(group.name) + "\n        ")
        ])
      }),
      0
    )
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/navbar/messages-link.vue?vue&type=template&id=191e62e7&":
/*!***********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/navbar/messages-link.vue?vue&type=template&id=191e62e7& ***!
  \***********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "div",
    {
      staticClass: "z-30 z-30 xl:w-20 xl:h-20 w-14 h-14 fixed bottom-4 right-6"
    },
    [
      _c(
        "a",
        {
          staticClass:
            "shadow border border-gray-300 text-black text-xs font-bold text-gray-700 rounded-full bg-white flex items-center justify-center font-mono",
          class: {
            "bg-purple-200 hover:text-white hover:bg-purple-400":
              _vm.newMessage,
            "hover:text-gray-500 hover:bg-gray-100": !_vm.newMessage
          },
          staticStyle: { "font-size": "20px" },
          attrs: { href: "/chats" }
        },
        [
          _vm.newMessage
            ? _c("div", {
                staticClass:
                  "fixed xl:bottom-20 bottom-16 right-8 rounded-full bg-red-500 w-3 h-3"
              })
            : _vm._e(),
          _vm._v(" "),
          _c("img", { attrs: { src: "/img/messages.png", alt: "messages" } })
        ]
      )
    ]
  )
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/navbar/navbar.vue?vue&type=template&id=1f4efb34&":
/*!****************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/navbar/navbar.vue?vue&type=template&id=1f4efb34& ***!
  \****************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c(
    "div",
    { staticClass: "py-1" },
    [
      _c("div", { staticClass: "container mx-auto flex justify-between" }, [
        _c(
          "div",
          { staticClass: "container flex justify-between" },
          [
            _c(
              "a",
              { staticClass: "mr-3", attrs: { href: _vm.route_dashboard } },
              [
                _c("img", {
                  attrs: { src: "/img/logo.png", width: "45px", alt: "logo" }
                })
              ]
            ),
            _vm._v(" "),
            _c("group-selection", {
              staticClass: "mt-1",
              attrs: { user: _vm.auth }
            })
          ],
          1
        ),
        _vm._v(" "),
        _c("div", { staticClass: "ml-2" }, [
          _c(
            "a",
            {
              staticClass: "w-9",
              attrs: { href: "/profile/" + _vm.auth.id + "/settings" }
            },
            [
              _c("img", {
                staticClass: "w-10 border border-gray-300 rounded-full",
                attrs: { src: "/img/settings.png", alt: "edit" }
              })
            ]
          )
        ]),
        _vm._v(" "),
        _c("form", { attrs: { action: "/logout", method: "post" } }, [
          _c("input", {
            attrs: { type: "hidden", name: "_token" },
            domProps: { value: _vm.csrf }
          }),
          _vm._v(" "),
          _c(
            "button",
            {
              staticClass:
                "shadow w-22 h-10 text-center relative inline-flex justify-center rounded-full border border-gray-300 ml-3 px-4 py-2 bg-white text-sm leading-5 font-medium text-gray-700 hover:text-gray-500 hover:bg-gray-100 focus:outline-none"
            },
            [_vm._v("\n                Logout\n            ")]
          )
        ])
      ]),
      _vm._v(" "),
      _c(
        "a",
        {
          staticClass:
            "z-40 xl:w-20 xl:h-20 w-14 h-14 fixed bottom-4 left-6 hover:text-gray-500 hover:bg-gray-100 shadow border border-gray-300 text-black text-xs font-bold text-gray-700 rounded-full bg-white flex items-center justify-center font-mono",
          staticStyle: { "font-size": "20px" },
          attrs: { href: "/" + _vm.user.username + "/notes" }
        },
        [_c("img", { attrs: { src: "/img/notes.png", alt: "notes" } })]
      ),
      _vm._v(" "),
      _c("messages-link", { attrs: { user: _vm.user } })
    ],
    1
  )
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/notes/note-index.vue?vue&type=template&id=16455310&":
/*!*******************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/notes/note-index.vue?vue&type=template&id=16455310& ***!
  \*******************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", { staticClass: "mb-6" }, [
    _c(
      "h3",
      { staticClass: "text-center font-bold text-lg mb-8 text-gray-700" },
      [_vm._v("Notes")]
    ),
    _vm._v(" "),
    _c(
      "form",
      {
        on: {
          submit: function($event) {
            $event.preventDefault()
            return _vm.submit($event)
          }
        }
      },
      [
        _c(
          "div",
          { staticClass: "bg-white shadow border rounded-lg py-6 px-8 mb-8" },
          [
            _c("input", {
              attrs: { type: "hidden", name: "_token" },
              domProps: { value: _vm.csrf }
            }),
            _vm._v(" "),
            _vm.errors.text
              ? _c(
                  "div",
                  {
                    staticClass:
                      "flex items-center justify-between w-full mb-4 p-2 bg-red-500 shadow text-white"
                  },
                  [
                    _vm._v(
                      "\n                " +
                        _vm._s(_vm.errors.text[0]) +
                        "\n            "
                    )
                  ]
                )
              : _vm._e(),
            _vm._v(" "),
            _c("textarea", {
              directives: [
                {
                  name: "model",
                  rawName: "v-model",
                  value: _vm.fields.text,
                  expression: "fields.text"
                }
              ],
              staticClass: "w-full h-24 resize-none focus:outline-none",
              attrs: { name: "text", placeholder: "something to remember..." },
              domProps: { value: _vm.fields.text },
              on: {
                input: function($event) {
                  if ($event.target.composing) {
                    return
                  }
                  _vm.$set(_vm.fields, "text", $event.target.value)
                }
              }
            })
          ]
        ),
        _vm._v(" "),
        _c(
          "button",
          {
            staticClass:
              "shadow float-right -mt-4 rounded-lg border border-gray-300 py-2 px-4 text-black text-xs hover:text-gray-500 hover:bg-gray-100 focus:outline-none",
            attrs: { type: "submit" }
          },
          [_vm._v("\n            Make a note\n        ")]
        )
      ]
    ),
    _vm._v(" "),
    _c(
      "ul",
      { staticClass: "mt-20" },
      _vm._l(_vm.pageOfItems, function(note) {
        return _c(
          "li",
          { key: note.id, staticClass: "max-w-full inline float-left mr-4" },
          [
            _c(
              "div",
              {
                staticClass:
                  "rounded overflow-hidden shadow-lg mb-4 border border-gray-100"
              },
              [
                _c("div", { staticClass: "px-6 pt-4 break-words" }, [
                  _c("p", { staticClass: "text-gray-700 text-base" }, [
                    _vm._v(
                      "\n                        " +
                        _vm._s(note.text) +
                        "\n                    "
                    )
                  ])
                ]),
                _vm._v(" "),
                _c("div", { staticClass: "px-6 pt-4 pb-2 mb-6 float-right" }, [
                  _c(
                    "button",
                    {
                      staticClass:
                        "w-6 h-4 font-bold text-red-500 text-xl hover:text-red-400 focus:outline-none",
                      staticStyle: {
                        background: "url(/storage/icons/bin.png)"
                      },
                      attrs: { type: "button", "data-toggle": "modal" },
                      on: {
                        submit: function($event) {
                          $event.preventDefault()
                          return _vm.deleteData(note)
                        },
                        click: function($event) {
                          return _vm.deleteData(note)
                        }
                      }
                    },
                    [
                      _c("img", {
                        staticClass: "w-4",
                        attrs: { src: "/img/bin.png", alt: "delete" }
                      })
                    ]
                  )
                ])
              ]
            )
          ]
        )
      }),
      0
    ),
    _vm._v(" "),
    _c(
      "div",
      { staticClass: "mt-10 clear-both w-full text-center text-sm" },
      [
        _c("jw-pagination", {
          attrs: { items: _vm.savedNotes, pageSize: 6 },
          on: { changePage: _vm.onChangePage }
        })
      ],
      1
    )
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/group-members.vue?vue&type=template&id=aa0a07ee&":
/*!**********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/group-members.vue?vue&type=template&id=aa0a07ee& ***!
  \**********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", { staticClass: "mb-6" }, [
    _vm._m(0),
    _vm._v(" "),
    _c(
      "ul",
      _vm._l(_vm.pageOfItems, function(user) {
        return _c(
          "li",
          { key: user.id, staticClass: "inline float-left mr-4" },
          [
            _c("div", { staticClass: "relative" }, [
              _vm.group.admin_id == _vm.auth.id
                ? _c("div", [
                    _c(
                      "button",
                      {
                        staticClass:
                          "absolute top-0 right-0 rounded-full border",
                        on: {
                          click: function($event) {
                            return _vm.checkWithUser(user)
                          }
                        }
                      },
                      [
                        _c("img", {
                          staticClass: "object-cover rounded-full h-8 w-8",
                          attrs: { src: "/img/cancel.png", alt: "exclude" }
                        })
                      ]
                    )
                  ])
                : _vm._e(),
              _vm._v(" "),
              _c("a", { attrs: { href: "/profile/" + user.username } }, [
                _c(
                  "div",
                  {
                    staticClass:
                      "max-w-xs lg:w-40 lg:h-60 w-20 h-30 rounded overflow-hidden shadow-lg mb-4"
                  },
                  [
                    _c("img", {
                      staticClass: "lg:w-40 lg:h-40 w-20 h-20 object-cover",
                      attrs: { src: user.avatar, alt: "avatar" }
                    }),
                    _vm._v(" "),
                    _c("div", { staticClass: "px-6 py-2 text-center" }, [
                      _c("div", { staticClass: "font-bold text-sm mb-2" }, [
                        _vm._v(
                          "\n                                " +
                            _vm._s(user.name) +
                            "\n                            "
                        )
                      ])
                    ]),
                    _vm._v(" "),
                    _c(
                      "p",
                      {
                        staticClass:
                          "invisible text-gray-700 text-center mb-1 text-xs lg:visible xl:visible"
                      },
                      [
                        _vm._v(
                          "\n                            " +
                            _vm._s(user.email) +
                            "\n                        "
                        )
                      ]
                    )
                  ]
                )
              ])
            ])
          ]
        )
      }),
      0
    ),
    _vm._v(" "),
    _c(
      "div",
      { staticClass: "mt-10 clear-both w-full text-center text-sm" },
      [
        _c("jw-pagination", {
          attrs: { items: _vm.savedUsers, pageSize: 6 },
          on: { changePage: _vm.onChangePage }
        })
      ],
      1
    )
  ])
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("div", { staticClass: "relative inline-block w-56 h-10 mb-10" }, [
      _c("input", {
        staticClass:
          "rounded-lg bg-white border border-gray-300 text-gray-500 w-full h-full px-5 pr-10 rounded-lg text-sm focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
        attrs: {
          id: "memberInput",
          type: "text",
          name: "memberInput",
          placeholder: "Start typing a name.."
        }
      })
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/invite-members.vue?vue&type=template&id=35b93407&":
/*!***********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/invite-members.vue?vue&type=template&id=35b93407& ***!
  \***********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _c("div", { staticClass: "container mx-auto flex justify-center" }, [
      _c(
        "div",
        { staticClass: "px-12 py-8 bg-gray-200 border-gray-300 rounded-lg" },
        [
          _c("div", { staticClass: "font-bold text-lg mb-4 text-center" }, [
            _vm._v("\n                The more the merrier!\n            ")
          ]),
          _vm._v(" "),
          !_vm.invitesSent
            ? _c("div", [
                _c("p", { staticClass: "mb-4" }, [
                  _vm._v("Invite a new member by e-mail.")
                ]),
                _vm._v(" "),
                _c(
                  "form",
                  {
                    on: {
                      submit: function($event) {
                        $event.preventDefault()
                        return _vm.submit()
                      }
                    }
                  },
                  [
                    _c("input", {
                      attrs: { type: "hidden", name: "_token" },
                      domProps: { value: _vm.csrf }
                    }),
                    _vm._v(" "),
                    _vm._l(_vm.fields, function(field) {
                      return _c("div", { key: field.id }, [
                        _c("div", { staticClass: "mb-4" }, [
                          _c(
                            "button",
                            {
                              staticClass:
                                "font-bold text-red-500 focus:outline-none",
                              on: {
                                click: function($event) {
                                  return _vm.removeField(field.id)
                                }
                              }
                            },
                            [
                              _vm._v(
                                "\n                                x\n                            "
                              )
                            ]
                          ),
                          _vm._v(" "),
                          _c(
                            "label",
                            { staticClass: "mb-2", attrs: { for: "email" } },
                            [
                              _vm._v(
                                "E-Mail Address:\n                            "
                              )
                            ]
                          ),
                          _vm._v(" "),
                          _c("input", {
                            directives: [
                              {
                                name: "model",
                                rawName: "v-model",
                                value: field.email,
                                expression: "field.email"
                              }
                            ],
                            staticClass: "form-control",
                            attrs: {
                              id: "email",
                              type: "email",
                              name: "email",
                              value: "",
                              required: "",
                              autocomplete: "email"
                            },
                            domProps: { value: field.email },
                            on: {
                              input: function($event) {
                                if ($event.target.composing) {
                                  return
                                }
                                _vm.$set(field, "email", $event.target.value)
                              }
                            }
                          })
                        ])
                      ])
                    }),
                    _vm._v(" "),
                    _c("div", { staticClass: "float-left mb-10" }, [
                      _c(
                        "button",
                        {
                          staticClass:
                            "rounded border border-gray-300 bg-white py-2 px-4 text-black text-xs hover:text-gray-500 hover:bg-gray-100 focus:outline-none",
                          on: { click: _vm.addField }
                        },
                        [
                          _vm._v(
                            "\n                            New Field\n                        "
                          )
                        ]
                      )
                    ]),
                    _vm._v(" "),
                    _c("div", { staticClass: "relative clear-both" }, [
                      _c(
                        "button",
                        {
                          staticClass:
                            "rounded-lg absolute right-0 bottom-0 border border-gray-300 bg-white py-2 px-4 text-black text-xs hover:text-gray-500 hover:bg-gray-100 focus:outline-none",
                          attrs: { type: "submit" },
                          on: {
                            submit: function($event) {
                              $event.preventDefault()
                              return _vm.submit()
                            }
                          }
                        },
                        [
                          _vm._v(
                            "\n                            Send Request\n                        "
                          )
                        ]
                      )
                    ])
                  ],
                  2
                )
              ])
            : _c("div", { staticClass: "text-center" }, [
                _c("p", [_vm._v("Invites sent.")])
              ])
        ]
      )
    ])
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/user-assignments.vue?vue&type=template&id=d3044814&":
/*!*************************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/user-assignments.vue?vue&type=template&id=d3044814& ***!
  \*************************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _vm.filtered == "mine"
      ? _c("div", [
          _c("h2", { staticClass: "font-bold text-lg" }, [
            _vm._v(" Your assignments ")
          ]),
          _vm._v(" "),
          _c("p", { staticClass: "mb-4 text-sm text-gray-500" }, [
            _vm._v("(from all of your groups)")
          ])
        ])
      : _c("div", [
          _c("h2", { staticClass: "font-bold text-lg" }, [
            _vm._v(" All assignments ")
          ]),
          _vm._v(" "),
          _c("p", { staticClass: "mb-4 text-sm text-gray-500" }, [
            _vm._v("(from all of your groups)")
          ])
        ]),
    _vm._v(" "),
    _vm._m(0),
    _vm._v(" "),
    _c(
      "p",
      { staticClass: "ml-2 text-xs font-bold text-blue-500 float-left" },
      [_vm._v("Deadline ")]
    ),
    _vm._v(" "),
    _c("p", { staticClass: "text-sm font-bold float-left ml-2 mr-2" }, [
      _vm._v("/")
    ]),
    _vm._v(" "),
    _c(
      "p",
      { staticClass: "float-left text-xs font-bold text-red-600 mb-4 mr-8" },
      [_vm._v("Appointment")]
    ),
    _vm._v(" "),
    _c(
      "p",
      { staticClass: "ml-2 text-xs px-1 font-medium bg-red-100 float-left" },
      [_vm._v("In progress")]
    ),
    _vm._v(" "),
    _c("p", { staticClass: "text-sm font-bold float-left ml-2 mr-2" }, [
      _vm._v("/")
    ]),
    _vm._v(" "),
    _c(
      "p",
      { staticClass: "text-xs px-2 font-medium bg-green-100 float-left" },
      [_vm._v(" Done")]
    ),
    _vm._v(" "),
    _c("div", { staticClass: "flex flex-col clear-both" }, [
      _c("div", { staticClass: "-my-2 overflow-x-auto sm:-mx-6 lg:-mx-8" }, [
        _c(
          "div",
          {
            staticClass:
              "py-2 align-middle inline-block min-w-full sm:px-6 lg:px-8"
          },
          [
            _c(
              "div",
              {
                staticClass:
                  "shadow overflow-hidden border-b border-gray-200 sm:rounded-lg"
              },
              [
                _c(
                  "table",
                  {
                    staticClass:
                      "min-w-full divide-y divide-gray-200 table-fixed"
                  },
                  [
                    _vm._m(1),
                    _vm._v(" "),
                    _c(
                      "tbody",
                      { staticClass: "bg-white divide-y divide-gray-200" },
                      _vm._l(_vm.pageOfItems, function(assignment) {
                        return _c(
                          "tr",
                          {
                            key: assignment.id,
                            class: {
                              "bg-green-100": assignment.done,
                              "bg-red-100": !assignment.done
                            }
                          },
                          [
                            _c(
                              "td",
                              {
                                staticClass:
                                  "bg-white px-6 py-4 text-sm font-medium text-gray-900 whitespace-nowrap"
                              },
                              [
                                _c(
                                  "div",
                                  {
                                    staticClass: "w-32 text-sm font-bold",
                                    class: {
                                      "text-red-600": assignment.on_time,
                                      "text-blue-500": !assignment.on_time
                                    }
                                  },
                                  [
                                    _vm._v(
                                      "\r\n                                " +
                                        _vm._s(
                                          _vm._f("dateFormat")(
                                            new Date(assignment.due),
                                            "DD.MM.YYYY , HH:mm"
                                          )
                                        ) +
                                        "\r\n                            "
                                    )
                                  ]
                                )
                              ]
                            ),
                            _vm._v(" "),
                            _c(
                              "td",
                              { staticClass: "px-6 py-4 whitespace-nowrap" },
                              [
                                _c(
                                  "div",
                                  {
                                    staticClass:
                                      "w-32 text-sm text-grey-900 truncate ... max-w-xs"
                                  },
                                  [
                                    _vm._v(
                                      "\r\n                                    " +
                                        _vm._s(assignment.name) +
                                        "\r\n                            "
                                    )
                                  ]
                                )
                              ]
                            ),
                            _vm._v(" "),
                            _c(
                              "td",
                              { staticClass: "px-6 py-4 whitespace-nowrap" },
                              [
                                assignment.author
                                  ? _c(
                                      "div",
                                      { staticClass: "text-sm text-gray-900" },
                                      [
                                        _vm._v(
                                          "\r\n                                    " +
                                            _vm._s(assignment.author.name) +
                                            "\r\n                            "
                                        )
                                      ]
                                    )
                                  : _c(
                                      "div",
                                      { staticClass: "text-sm text-gray-900" },
                                      [
                                        _vm._v(
                                          "\r\n                                    " +
                                            _vm._s(assignment.author_name) +
                                            "\r\n                            "
                                        )
                                      ]
                                    )
                              ]
                            ),
                            _vm._v(" "),
                            _c(
                              "td",
                              { staticClass: "px-6 py-4 whitespace-nowrap" },
                              [
                                assignment.group
                                  ? _c(
                                      "div",
                                      { staticClass: "text-sm text-gray-900" },
                                      [
                                        _vm._v(
                                          "\r\n                                    " +
                                            _vm._s(assignment.group.name) +
                                            "\r\n                            "
                                        )
                                      ]
                                    )
                                  : _c(
                                      "div",
                                      { staticClass: "text-sm text-gray-900" },
                                      [
                                        _vm._v(
                                          "\r\n                                    " +
                                            _vm._s(assignment.group_name) +
                                            "\r\n                            "
                                        )
                                      ]
                                    )
                              ]
                            ),
                            _vm._v(" "),
                            _c("td", { staticClass: "pr-6 py-4" }, [
                              _c(
                                "a",
                                {
                                  staticClass:
                                    "bg-white shadow border border-gray-300 rounded-lg py-2 px-2 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                                  attrs: {
                                    href: "/assignments/" + assignment.id
                                  }
                                },
                                [
                                  _vm._v(
                                    "\r\n                                Details\r\n                            "
                                  )
                                ]
                              )
                            ])
                          ]
                        )
                      }),
                      0
                    )
                  ]
                )
              ]
            ),
            _vm._v(" "),
            _c(
              "div",
              { staticClass: "mt-4 clear-both w-full text-center text-sm" },
              [
                _c("jw-pagination", {
                  attrs: { items: _vm.filteredAssignments, pageSize: 5 },
                  on: { changePage: _vm.onChangePage }
                })
              ],
              1
            )
          ]
        )
      ])
    ])
  ])
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("div", { staticClass: "space-x-2 w-full mb-4" }, [
      _c(
        "select",
        {
          staticClass:
            "inline-block rounded-lg bg-white border border-gray-300 text-gray-700 px-4 pr-8 h-8 mr-2 leading-tight focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
          attrs: { id: "filterAssignments" }
        },
        [
          _c("option", { attrs: { value: "mine" } }, [
            _vm._v("Assigned to me")
          ]),
          _vm._v(" "),
          _c("option", { attrs: { value: "all" } }, [_vm._v("All")])
        ]
      ),
      _vm._v(" "),
      _c(
        "div",
        {
          staticClass:
            "md:inline-block md:mt-0 mt-2 relative text-gray-600 md:w-1/3 w-48"
        },
        [
          _c("input", {
            staticClass:
              "rounded-lg bg-white border border-gray-300 text-gray-500 w-full h-8 px-5 pr-10 rounded-lg text-sm focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
            attrs: {
              id: "searchBar",
              type: "search",
              name: "searchBar",
              placeholder: "Search by name"
            }
          }),
          _vm._v(" "),
          _c(
            "button",
            {
              staticClass:
                "absolute right-0 top-2 mr-4 bg-transparent focus:outline-none",
              attrs: { id: "searchButton", type: "submit" }
            },
            [
              _c("img", {
                attrs: {
                  src: "/img/search.png",
                  width: "20",
                  height: "20",
                  alt: "submit"
                }
              })
            ]
          )
        ]
      )
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("thead", [
      _c("tr", [
        _c(
          "th",
          {
            staticClass:
              "px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\r\n                            Date & Time\r\n                        "
            )
          ]
        ),
        _vm._v(" "),
        _c(
          "th",
          {
            staticClass:
              "px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\r\n                            What\r\n                        "
            )
          ]
        ),
        _vm._v(" "),
        _c(
          "th",
          {
            staticClass:
              "px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\r\n                            By whom\r\n                        "
            )
          ]
        ),
        _vm._v(" "),
        _c(
          "th",
          {
            staticClass:
              "px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\r\n                            Group\r\n                        "
            )
          ]
        ),
        _vm._v(" "),
        _c("th", {
          staticClass: "px-6 py-3 bg-gray-50",
          attrs: { scope: "col" }
        })
      ])
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/user-edit.vue?vue&type=template&id=398cad8a&":
/*!******************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/user-edit.vue?vue&type=template&id=398cad8a& ***!
  \******************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _c(
      "form",
      {
        on: {
          submit: function($event) {
            $event.preventDefault()
            return _vm.submit($event)
          }
        }
      },
      [
        _c("div", [
          _c(
            "label",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
              attrs: { for: "name" }
            },
            [_vm._v("\n                Name\n            ")]
          ),
          _vm._v(" "),
          _c("input", {
            directives: [
              {
                name: "model",
                rawName: "v-model",
                value: _vm.shownUser.name,
                expression: "shownUser.name"
              }
            ],
            staticClass: "border-b border-gray-400 p-2 w-full",
            attrs: { type: "text", name: "name", id: "name" },
            domProps: { value: _vm.shownUser.name },
            on: {
              input: function($event) {
                if ($event.target.composing) {
                  return
                }
                _vm.$set(_vm.shownUser, "name", $event.target.value)
              }
            }
          })
        ]),
        _vm._v(" "),
        _c("div", [
          _c(
            "label",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
              attrs: { for: "username" }
            },
            [_vm._v("\n                Username\n            ")]
          ),
          _vm._v(" "),
          _c("input", {
            directives: [
              {
                name: "model",
                rawName: "v-model",
                value: _vm.shownUser.username,
                expression: "shownUser.username"
              }
            ],
            staticClass: "border-b border-gray-400 p-2 w-full",
            attrs: { type: "text", name: "username", id: "username" },
            domProps: { value: _vm.shownUser.username },
            on: {
              input: function($event) {
                if ($event.target.composing) {
                  return
                }
                _vm.$set(_vm.shownUser, "username", $event.target.value)
              }
            }
          })
        ]),
        _vm._v(" "),
        _c("div", [
          _c(
            "label",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
              attrs: { for: "email" }
            },
            [_vm._v("\n                Email\n            ")]
          ),
          _vm._v(" "),
          _c("input", {
            directives: [
              {
                name: "model",
                rawName: "v-model",
                value: _vm.shownUser.email,
                expression: "shownUser.email"
              }
            ],
            staticClass: "border-b border-gray-400 p-2 w-full",
            attrs: { type: "email", name: "email", id: "email" },
            domProps: { value: _vm.shownUser.email },
            on: {
              input: function($event) {
                if ($event.target.composing) {
                  return
                }
                _vm.$set(_vm.shownUser, "email", $event.target.value)
              }
            }
          })
        ]),
        _vm._v(" "),
        _c("div", [
          _c(
            "label",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
              attrs: { for: "avatar" }
            },
            [_vm._v("\n                Avatar\n            ")]
          ),
          _vm._v(" "),
          _c("div", { staticClass: "flex" }, [
            _c("input", {
              ref: "avatar",
              staticClass: "text-sm p-2 my-auto w-full",
              attrs: {
                type: "file",
                accept: ".jpg, .jpeg, .png",
                name: "avatar",
                id: "avatar"
              },
              on: {
                change: function($event) {
                  return _vm.handleAvatarUpload()
                }
              }
            }),
            _vm._v(" "),
            _c("img", {
              staticClass: "w-16 h-16 object-cover border-2 border-gray-400",
              attrs: { src: _vm.avatar, alt: "avatar" }
            })
          ]),
          _vm._v(" "),
          _vm.avatarTooBig
            ? _c(
                "p",
                {
                  staticClass:
                    "flex items-center justify-between w-full my-5 p-2 bg-red-500 shadow text-white"
                },
                [_vm._v("Please choose a picture under 5MB.")]
              )
            : _vm._e()
        ]),
        _vm._v(" "),
        _c("div", [
          _c(
            "label",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
              attrs: { for: "banner" }
            },
            [_vm._v("\n                Banner\n            ")]
          ),
          _vm._v(" "),
          _c("div", { staticClass: "flex" }, [
            _c("input", {
              ref: "banner",
              staticClass: "text-sm p-2 my-auto w-full",
              attrs: { type: "file", name: "banner", id: "banner" },
              on: {
                change: function($event) {
                  return _vm.handleBannerUpload()
                }
              }
            }),
            _vm._v(" "),
            _c("img", {
              staticClass: "w-32 h-16 object-cover border-2 border-gray-400",
              attrs: { src: _vm.banner, alt: "banner" }
            })
          ]),
          _vm._v(" "),
          _vm.bannerTooBig
            ? _c(
                "p",
                {
                  staticClass:
                    "flex items-center justify-between w-full my-5 p-2 bg-red-500 shadow text-white"
                },
                [_vm._v("Please choose a picture under 5MB.")]
              )
            : _vm._e()
        ]),
        _vm._v(" "),
        _c("div", [
          _c(
            "label",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
              attrs: { for: "bio" }
            },
            [_vm._v("\n                Bio\n            ")]
          ),
          _vm._v(" "),
          _c("input", {
            directives: [
              {
                name: "model",
                rawName: "v-model",
                value: _vm.shownUser.bio,
                expression: "shownUser.bio"
              }
            ],
            staticClass: "border-b border-gray-400 p-2 w-full",
            attrs: { type: "text", name: "bio", id: "bio" },
            domProps: { value: _vm.shownUser.bio },
            on: {
              input: function($event) {
                if ($event.target.composing) {
                  return
                }
                _vm.$set(_vm.shownUser, "bio", $event.target.value)
              }
            }
          })
        ]),
        _vm._v(" "),
        _c("div", [
          _c(
            "label",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
              attrs: { for: "password" }
            },
            [_vm._v("\n                Password\n            ")]
          ),
          _vm._v(" "),
          _c("input", {
            directives: [
              {
                name: "model",
                rawName: "v-model",
                value: _vm.newPassword,
                expression: "newPassword"
              }
            ],
            staticClass: "border-b border-gray-400 p-2 w-full",
            attrs: {
              type: "password",
              name: "password",
              id: "password",
              autocomplete: "off"
            },
            domProps: { value: _vm.newPassword },
            on: {
              input: function($event) {
                if ($event.target.composing) {
                  return
                }
                _vm.newPassword = $event.target.value
              }
            }
          })
        ]),
        _vm._v(" "),
        _c("div", { staticClass: "mb-6" }, [
          _c(
            "label",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-xs text-gray-700",
              attrs: { for: "password_confirmation" }
            },
            [_vm._v("\n                Password Confirmation\n            ")]
          ),
          _vm._v(" "),
          _c("input", {
            directives: [
              {
                name: "model",
                rawName: "v-model",
                value: _vm.confirmPassword,
                expression: "confirmPassword"
              }
            ],
            staticClass: "border-b border-gray-400 p-2 w-full",
            attrs: {
              type: "password",
              name: "password_confirmation",
              id: "password_confirmation"
            },
            domProps: { value: _vm.confirmPassword },
            on: {
              input: function($event) {
                if ($event.target.composing) {
                  return
                }
                _vm.confirmPassword = $event.target.value
              }
            }
          })
        ]),
        _vm._v(" "),
        _vm.passwordsDoNotMatch
          ? _c(
              "div",
              {
                staticClass:
                  "flex items-center justify-between w-full mb-10 p-2 bg-red-500 shadow text-white"
              },
              [_vm._v("\n            Passwords do not match.\n        ")]
            )
          : _vm._e(),
        _vm._v(" "),
        _c("div", { staticClass: "mb-6" }, [
          _c(
            "button",
            {
              staticClass:
                "bg-blue-400 text-white rounded py-2 px-4 hover:bg-blue-500 mr-4 focus:outline-none",
              attrs: { type: "submit" }
            },
            [_vm._v("\n                Submit\n            ")]
          ),
          _vm._v(" "),
          _c(
            "a",
            {
              staticClass:
                "rounded shadow border border-gray-300 py-2 px-4 mr-2 text-black hover:text-gray-500 hover:bg-gray-100",
              attrs: { href: _vm.user_path }
            },
            [_vm._v("Cancel")]
          )
        ])
      ]
    )
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/user-events.vue?vue&type=template&id=10262719&":
/*!********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/user-events.vue?vue&type=template&id=10262719& ***!
  \********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", [
    _vm.filtered == "joined"
      ? _c("div", [
          _c("h2", { staticClass: "font-bold text-lg" }, [
            _vm._v(" Your upcoming events ")
          ]),
          _vm._v(" "),
          _c("p", { staticClass: "mb-4 text-sm text-gray-500" }, [
            _vm._v("(from all of your groups)")
          ])
        ])
      : _c("div", [
          _c("h2", { staticClass: "font-bold text-lg" }, [
            _vm._v(" All upcoming events ")
          ]),
          _vm._v(" "),
          _c("p", { staticClass: "mb-4 text-sm text-gray-500" }, [
            _vm._v("(from all of your groups)")
          ])
        ]),
    _vm._v(" "),
    _vm._m(0),
    _vm._v(" "),
    _c("p", { staticClass: "text-xs font-bold text-blue-500 float-left" }, [
      _vm._v("This month ")
    ]),
    _vm._v(" "),
    _c("p", { staticClass: "text-sm font-bold float-left ml-2 mr-2" }, [
      _vm._v("/")
    ]),
    _vm._v(" "),
    _c(
      "p",
      { staticClass: "float-left text-xs font-bold text-red-600 mb-4 mr-8" },
      [_vm._v(" In three days")]
    ),
    _vm._v(" "),
    _c("div", { staticClass: "flex flex-col clear-both" }, [
      _c("div", { staticClass: "-my-2 overflow-x-auto sm:-mx-6 lg:-mx-8" }, [
        _c(
          "div",
          {
            staticClass:
              "py-2 align-middle inline-block min-w-full sm:px-6 lg:px-8"
          },
          [
            _c(
              "div",
              {
                staticClass:
                  "shadow overflow-hidden border-b border-gray-200 sm:rounded-lg"
              },
              [
                _c(
                  "table",
                  {
                    staticClass:
                      "min-w-full divide-y divide-gray-200 table-fixed"
                  },
                  [
                    _vm._m(1),
                    _vm._v(" "),
                    _c(
                      "tbody",
                      { staticClass: "bg-white divide-y divide-gray-200" },
                      _vm._l(_vm.pageOfItems, function(event) {
                        return _c("tr", { key: event.id }, [
                          _c(
                            "td",
                            {
                              staticClass:
                                "w-16 px-6 py-4 text-sm font-medium text-gray-900 whitespace-nowrap"
                            },
                            [
                              _c(
                                "div",
                                {
                                  staticClass: "w-32 text-sm font-bold",
                                  class: {
                                    "text-red-600": _vm.closeDate(
                                      new Date(event.event_time)
                                    ),
                                    "text-blue-500": _vm.soonToComeDate(
                                      new Date(event.event_time)
                                    )
                                  }
                                },
                                [
                                  _vm._v(
                                    "\r\n                                " +
                                      _vm._s(
                                        _vm._f("dateFormat")(
                                          new Date(event.event_time),
                                          "DD.MM.YYYY  HH:mm"
                                        )
                                      ) +
                                      "\r\n                            "
                                  )
                                ]
                              )
                            ]
                          ),
                          _vm._v(" "),
                          _c(
                            "td",
                            { staticClass: "px-6 py-4 whitespace-nowrap" },
                            [
                              _c(
                                "div",
                                {
                                  staticClass:
                                    "w-40 text-sm text-grey-900 truncate ..."
                                },
                                [
                                  _vm._v(
                                    "\r\n                                    " +
                                      _vm._s(event.name) +
                                      "\r\n                            "
                                  )
                                ]
                              )
                            ]
                          ),
                          _vm._v(" "),
                          _c(
                            "td",
                            { staticClass: "px-6 py-4 whitespace-nowrap" },
                            [
                              _c(
                                "div",
                                {
                                  staticClass:
                                    "w-32 text-sm text-grey-900 truncate ..."
                                },
                                [
                                  _vm._v(
                                    "\r\n                                    " +
                                      _vm._s(event.event_place) +
                                      "\r\n                            "
                                  )
                                ]
                              )
                            ]
                          ),
                          _vm._v(" "),
                          _c(
                            "td",
                            { staticClass: "px-6 py-4 whitespace-nowrap" },
                            [
                              _c(
                                "div",
                                { staticClass: "text-sm text-gray-900" },
                                [
                                  _vm._v(
                                    "\r\n                                    " +
                                      _vm._s(event.group_name) +
                                      "\r\n                            "
                                  )
                                ]
                              )
                            ]
                          ),
                          _vm._v(" "),
                          _c("td", { staticClass: "w-24 pr-6 py-4" }, [
                            _c(
                              "a",
                              {
                                staticClass:
                                  "shadow border border-gray-300 rounded-lg mr-6 py-2 px-2 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                                attrs: { href: "/events/" + event.id }
                              },
                              [
                                _vm._v(
                                  "\r\n                                Details\r\n                            "
                                )
                              ]
                            )
                          ])
                        ])
                      }),
                      0
                    )
                  ]
                )
              ]
            ),
            _vm._v(" "),
            _c(
              "div",
              { staticClass: "mt-4 clear-both w-full text-center text-sm" },
              [
                _c("jw-pagination", {
                  attrs: { items: _vm.filteredEvents, pageSize: 5 },
                  on: { changePage: _vm.onChangePage }
                })
              ],
              1
            )
          ]
        )
      ])
    ])
  ])
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("div", { staticClass: "space-x-2 w-full mb-4" }, [
      _c(
        "select",
        {
          staticClass:
            "inline-block rounded-lg bg-white border border-gray-300 text-gray-700 px-4 pr-8 h-8 mr-2 leading-tight focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
          attrs: { id: "filterEvents" }
        },
        [
          _c("option", { attrs: { value: "joined" } }, [_vm._v("Going to")]),
          _vm._v(" "),
          _c("option", { attrs: { value: "all" } }, [_vm._v("All")])
        ]
      ),
      _vm._v(" "),
      _c(
        "div",
        {
          staticClass:
            "md:inline-block md:mt-0 mt-2 relative text-gray-600 md:w-1/3 w-48"
        },
        [
          _c("input", {
            staticClass:
              "rounded-lg bg-white border border-gray-300 text-gray-500 w-full h-8 px-5 pr-10 rounded-lg text-sm focus:outline-none focus:border-l focus:border-r focus:bg-white focus:border-gray-500",
            attrs: {
              id: "searchBar",
              type: "search",
              name: "searchBar",
              placeholder: "Search by name"
            }
          }),
          _vm._v(" "),
          _c(
            "button",
            {
              staticClass:
                "absolute right-0 top-2 mr-4 bg-transparent focus:outline-none",
              attrs: { id: "searchButton", type: "submit" }
            },
            [
              _c("img", {
                attrs: {
                  src: "/img/search.png",
                  width: "20",
                  height: "20",
                  alt: "submit"
                }
              })
            ]
          )
        ]
      )
    ])
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("thead", [
      _c("tr", [
        _c(
          "th",
          {
            staticClass:
              "px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\r\n                            When\r\n                        "
            )
          ]
        ),
        _vm._v(" "),
        _c(
          "th",
          {
            staticClass:
              "w-16 px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\r\n                            What\r\n                        "
            )
          ]
        ),
        _vm._v(" "),
        _c(
          "th",
          {
            staticClass:
              "px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\r\n                            Where\r\n                        "
            )
          ]
        ),
        _vm._v(" "),
        _c(
          "th",
          {
            staticClass:
              "px-6 py-3 bg-gray-50 text-left text-xs font-medium text-gray-500 uppercase",
            attrs: { scope: "col" }
          },
          [
            _vm._v(
              "\r\n                            Group\r\n                        "
            )
          ]
        ),
        _vm._v(" "),
        _c("th", {
          staticClass: "px-6 py-3 bg-gray-50",
          attrs: { scope: "col" }
        })
      ])
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/user-settings.vue?vue&type=template&id=5913d9ba&":
/*!**********************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/user-settings.vue?vue&type=template&id=5913d9ba& ***!
  \**********************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", { staticClass: "ml-8 mb-12" }, [
    _vm.user.group
      ? _c("div", [
          _c(
            "p",
            {
              staticClass:
                "-ml-8 mt-4 block mb-7 font-bold text-lg text-center text-gray-700"
            },
            [
              _vm._v(
                '\n            Settings for e-mail notifications (for this group "' +
                  _vm._s(_vm.user.group.name) +
                  '" )\n        '
              )
            ]
          ),
          _vm._v(" "),
          _c(
            "p",
            {
              staticClass:
                "mt-4 block mb-2 uppercase font-bold text-sm text-purple-800"
            },
            [_vm._v("\n            Notify me if there is a new:\n        ")]
          ),
          _vm._v(" "),
          _c("div", { staticClass: "mb-12" }, [
            _c("div", { staticClass: "mb-2" }, [
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.whiteboard_posts,
                    expression: "whiteboard_posts"
                  }
                ],
                attrs: {
                  type: "checkbox",
                  id: "whiteboard_posts",
                  value: "whiteboard_posts"
                },
                domProps: {
                  checked: Array.isArray(_vm.whiteboard_posts)
                    ? _vm._i(_vm.whiteboard_posts, "whiteboard_posts") > -1
                    : _vm.whiteboard_posts
                },
                on: {
                  change: function($event) {
                    var $$a = _vm.whiteboard_posts,
                      $$el = $event.target,
                      $$c = $$el.checked ? true : false
                    if (Array.isArray($$a)) {
                      var $$v = "whiteboard_posts",
                        $$i = _vm._i($$a, $$v)
                      if ($$el.checked) {
                        $$i < 0 && (_vm.whiteboard_posts = $$a.concat([$$v]))
                      } else {
                        $$i > -1 &&
                          (_vm.whiteboard_posts = $$a
                            .slice(0, $$i)
                            .concat($$a.slice($$i + 1)))
                      }
                    } else {
                      _vm.whiteboard_posts = $$c
                    }
                  }
                }
              }),
              _vm._v(" "),
              _c("label", { attrs: { for: "whiteboard_posts" } }, [
                _vm._v("Whiteboard post")
              ])
            ]),
            _vm._v(" "),
            _c("div", { staticClass: "mb-2" }, [
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.assignments,
                    expression: "assignments"
                  }
                ],
                attrs: {
                  type: "checkbox",
                  id: "assignments",
                  value: "assignments"
                },
                domProps: {
                  checked: Array.isArray(_vm.assignments)
                    ? _vm._i(_vm.assignments, "assignments") > -1
                    : _vm.assignments
                },
                on: {
                  change: function($event) {
                    var $$a = _vm.assignments,
                      $$el = $event.target,
                      $$c = $$el.checked ? true : false
                    if (Array.isArray($$a)) {
                      var $$v = "assignments",
                        $$i = _vm._i($$a, $$v)
                      if ($$el.checked) {
                        $$i < 0 && (_vm.assignments = $$a.concat([$$v]))
                      } else {
                        $$i > -1 &&
                          (_vm.assignments = $$a
                            .slice(0, $$i)
                            .concat($$a.slice($$i + 1)))
                      }
                    } else {
                      _vm.assignments = $$c
                    }
                  }
                }
              }),
              _vm._v(" "),
              _c("label", { attrs: { for: "assignments" } }, [
                _vm._v("Assignment")
              ])
            ]),
            _vm._v(" "),
            _c("div", { staticClass: "mb-2" }, [
              _c("input", {
                directives: [
                  {
                    name: "model",
                    rawName: "v-model",
                    value: _vm.events,
                    expression: "events"
                  }
                ],
                attrs: { type: "checkbox", id: "events", value: "events" },
                domProps: {
                  checked: Array.isArray(_vm.events)
                    ? _vm._i(_vm.events, "events") > -1
                    : _vm.events
                },
                on: {
                  change: function($event) {
                    var $$a = _vm.events,
                      $$el = $event.target,
                      $$c = $$el.checked ? true : false
                    if (Array.isArray($$a)) {
                      var $$v = "events",
                        $$i = _vm._i($$a, $$v)
                      if ($$el.checked) {
                        $$i < 0 && (_vm.events = $$a.concat([$$v]))
                      } else {
                        $$i > -1 &&
                          (_vm.events = $$a
                            .slice(0, $$i)
                            .concat($$a.slice($$i + 1)))
                      }
                    } else {
                      _vm.events = $$c
                    }
                  }
                }
              }),
              _vm._v(" "),
              _c("label", { attrs: { for: "events" } }, [_vm._v("Event")])
            ])
          ])
        ])
      : _vm._e(),
    _vm._v(" "),
    _c("div", { staticClass: "w-full mt-12 border-b mb-12 rounded-full" }),
    _vm._v(" "),
    _c(
      "p",
      {
        staticClass:
          "-ml-8 mt-4 block mb-7 font-bold text-lg text-center text-gray-700"
      },
      [
        _vm._v(
          "\n        Settings for e-mail notifications (for all groups)\n    "
        )
      ]
    ),
    _vm._v(" "),
    _c("div", { staticClass: "mb-4" }, [
      _c(
        "p",
        {
          staticClass: "block mb-2 uppercase font-bold text-sm text-orange-600"
        },
        [_vm._v("\n            Notify me if I get an assignment:\n        ")]
      ),
      _vm._v(" "),
      _c("input", {
        directives: [
          {
            name: "model",
            rawName: "v-model",
            value: _vm.getting_assignment,
            expression: "getting_assignment"
          }
        ],
        attrs: {
          type: "radio",
          id: "getting_assignment",
          name: "getting_assignment",
          required: ""
        },
        domProps: {
          value: true,
          checked: _vm._q(_vm.getting_assignment, true)
        },
        on: {
          change: function($event) {
            _vm.getting_assignment = true
          }
        }
      }),
      _vm._v(" "),
      _c("label", { attrs: { for: "true" } }, [_vm._v("Yes")]),
      _c("br"),
      _vm._v(" "),
      _c("input", {
        directives: [
          {
            name: "model",
            rawName: "v-model",
            value: _vm.getting_assignment,
            expression: "getting_assignment"
          }
        ],
        attrs: {
          type: "radio",
          id: "getting_assignment",
          name: "getting_assignment",
          checked: "",
          required: ""
        },
        domProps: {
          value: false,
          checked: _vm._q(_vm.getting_assignment, false)
        },
        on: {
          change: function($event) {
            _vm.getting_assignment = false
          }
        }
      }),
      _vm._v(" "),
      _c("label", { attrs: { for: "false" } }, [_vm._v("No")]),
      _c("br")
    ]),
    _vm._v(" "),
    _c("div", { staticClass: "mb-4" }, [
      _c(
        "p",
        {
          staticClass:
            "mt-4 block mb-2 uppercase font-bold text-sm text-green-700"
        },
        [
          _vm._v(
            "\n            Notify me about any updates on my assignments:\n        "
          )
        ]
      ),
      _vm._v(" "),
      _c("input", {
        directives: [
          {
            name: "model",
            rawName: "v-model",
            value: _vm.assignment_mine,
            expression: "assignment_mine"
          }
        ],
        attrs: {
          type: "radio",
          id: "assignment_mine",
          name: "assignment_mine",
          required: ""
        },
        domProps: { value: true, checked: _vm._q(_vm.assignment_mine, true) },
        on: {
          change: function($event) {
            _vm.assignment_mine = true
          }
        }
      }),
      _vm._v(" "),
      _c("label", { attrs: { for: "true" } }, [_vm._v("Yes")]),
      _c("br"),
      _vm._v(" "),
      _c("input", {
        directives: [
          {
            name: "model",
            rawName: "v-model",
            value: _vm.assignment_mine,
            expression: "assignment_mine"
          }
        ],
        attrs: {
          type: "radio",
          id: "assignment_mine",
          name: "assignment_mine",
          required: ""
        },
        domProps: { value: false, checked: _vm._q(_vm.assignment_mine, false) },
        on: {
          change: function($event) {
            _vm.assignment_mine = false
          }
        }
      }),
      _vm._v(" "),
      _c("label", { attrs: { for: "false" } }, [_vm._v("No")]),
      _c("br")
    ]),
    _vm._v(" "),
    _c("div", { staticClass: "mb-4" }, [
      _c(
        "p",
        {
          staticClass:
            "mt-4 block mb-2 uppercase font-bold text-sm text-green-700"
        },
        [
          _vm._v(
            "\n            Notify me about any updates on events that I'm going to:\n        "
          )
        ]
      ),
      _vm._v(" "),
      _c("input", {
        directives: [
          {
            name: "model",
            rawName: "v-model",
            value: _vm.event_joined,
            expression: "event_joined"
          }
        ],
        attrs: {
          type: "radio",
          id: "event_joined",
          name: "event_joined",
          required: ""
        },
        domProps: { value: true, checked: _vm._q(_vm.event_joined, true) },
        on: {
          change: function($event) {
            _vm.event_joined = true
          }
        }
      }),
      _vm._v(" "),
      _c("label", { attrs: { for: "true" } }, [_vm._v("Yes")]),
      _c("br"),
      _vm._v(" "),
      _c("input", {
        directives: [
          {
            name: "model",
            rawName: "v-model",
            value: _vm.event_joined,
            expression: "event_joined"
          }
        ],
        attrs: {
          type: "radio",
          id: "event_joined",
          name: "event_joined",
          required: ""
        },
        domProps: { value: false, checked: _vm._q(_vm.event_joined, false) },
        on: {
          change: function($event) {
            _vm.event_joined = false
          }
        }
      }),
      _vm._v(" "),
      _c("label", { attrs: { for: "false" } }, [_vm._v("No")]),
      _c("br")
    ]),
    _vm._v(" "),
    _c("div", { staticClass: "mb-4" }, [
      _c(
        "p",
        {
          staticClass:
            "mt-4 block mb-2 uppercase font-bold text-sm text-blue-700"
        },
        [
          _vm._v(
            "\n            Notify me about any updates on assignments that are created by\n            me:\n        "
          )
        ]
      ),
      _vm._v(" "),
      _c("input", {
        directives: [
          {
            name: "model",
            rawName: "v-model",
            value: _vm.assignment_created_by_me,
            expression: "assignment_created_by_me"
          }
        ],
        attrs: {
          type: "radio",
          id: "assignment_created_by_me",
          name: "assignment_created_by_me",
          required: ""
        },
        domProps: {
          value: true,
          checked: _vm._q(_vm.assignment_created_by_me, true)
        },
        on: {
          change: function($event) {
            _vm.assignment_created_by_me = true
          }
        }
      }),
      _vm._v(" "),
      _c("label", { attrs: { for: "true" } }, [_vm._v("Yes")]),
      _c("br"),
      _vm._v(" "),
      _c("input", {
        directives: [
          {
            name: "model",
            rawName: "v-model",
            value: _vm.assignment_created_by_me,
            expression: "assignment_created_by_me"
          }
        ],
        attrs: {
          type: "radio",
          id: "assignment_created_by_me",
          name: "assignment_created_by_me",
          required: ""
        },
        domProps: {
          value: false,
          checked: _vm._q(_vm.assignment_created_by_me, false)
        },
        on: {
          change: function($event) {
            _vm.assignment_created_by_me = false
          }
        }
      }),
      _vm._v(" "),
      _c("label", { attrs: { for: "false" } }, [_vm._v("No")]),
      _c("br")
    ]),
    _vm._v(" "),
    _c("div", { staticClass: "mb-4" }, [
      _c(
        "p",
        {
          staticClass:
            "mt-4 block mb-2 uppercase font-bold text-sm text-blue-700"
        },
        [
          _vm._v(
            "\n            Notify me about any updates on events that are created by me:\n        "
          )
        ]
      ),
      _vm._v(" "),
      _c("input", {
        directives: [
          {
            name: "model",
            rawName: "v-model",
            value: _vm.event_created_by_me,
            expression: "event_created_by_me"
          }
        ],
        attrs: {
          type: "radio",
          id: "event_created_by_me",
          name: "event_created_by_me",
          required: ""
        },
        domProps: {
          value: true,
          checked: _vm._q(_vm.event_created_by_me, true)
        },
        on: {
          change: function($event) {
            _vm.event_created_by_me = true
          }
        }
      }),
      _vm._v(" "),
      _c("label", { attrs: { for: "true" } }, [_vm._v("Yes")]),
      _c("br"),
      _vm._v(" "),
      _c("input", {
        directives: [
          {
            name: "model",
            rawName: "v-model",
            value: _vm.event_created_by_me,
            expression: "event_created_by_me"
          }
        ],
        attrs: {
          type: "radio",
          id: "event_created_by_me",
          name: "event_created_by_me",
          required: ""
        },
        domProps: {
          value: false,
          checked: _vm._q(_vm.event_created_by_me, false)
        },
        on: {
          change: function($event) {
            _vm.event_created_by_me = false
          }
        }
      }),
      _vm._v(" "),
      _c("label", { attrs: { for: "false" } }, [_vm._v("No")]),
      _c("br")
    ]),
    _vm._v(" "),
    _c("div", { staticClass: "clear-both" }),
    _vm._v(" "),
    _c("div", { staticClass: "mb-6" }, [
      _c(
        "button",
        {
          staticClass:
            "float-right mr-12 bg-blue-400 text-white rounded py-2 px-4 hover:bg-blue-500 mr-4 focus:outline-none",
          attrs: { type: "submit" },
          on: {
            submit: function($event) {
              $event.preventDefault()
              return _vm.submit($event)
            },
            click: function($event) {
              return _vm.submit()
            }
          }
        },
        [_vm._v("\n            Submit\n        ")]
      )
    ]),
    _vm._v(" "),
    _c("div", { staticClass: "clear-both" }),
    _vm._v(" "),
    _vm.settingsSubmitted
      ? _c(
          "div",
          {
            staticClass:
              "flex items-center justify-between w-full -ml-4 mt-10 p-2 bg-green-500 shadow text-white"
          },
          [_vm._v("\n        Your changes have been saved!\n    ")]
        )
      : _vm._e(),
    _vm._v(" "),
    _c("div", { staticClass: "w-full mt-12 border-b mb-12 rounded-full" }),
    _vm._v(" "),
    _c(
      "button",
      {
        staticClass:
          "rounded px-2 py-3 mr-2 uppercase text-white text-sm border bg-red-300 border-red-400 hover:bg-red-500 focus:outline-none",
        on: {
          click: function($event) {
            return _vm.deleteAccount()
          }
        }
      },
      [_vm._v("\n        Delete my account\n    ")]
    ),
    _vm._v(" "),
    _vm.deletingAccount
      ? _c("div", [_vm._m(0), _vm._v(" "), _vm._m(1)])
      : _vm._e()
  ])
}
var staticRenderFns = [
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c(
      "div",
      {
        staticClass:
          "flex items-center justify-between w-full mt-6 mb-6 p-2 bg-yellow-400 shadow text-white"
      },
      [
        _vm._v("\n            Deleting your account is irreversible. "),
        _c("br"),
        _vm._v("\n            The groups you administer will be deleted too. "),
        _c("br"),
        _vm._v(
          "\n            If you wish to save these groups pass your admin rights to\n            another member. "
        ),
        _c("br"),
        _vm._v(
          "\n            You can do so by editing each group that you want to save.\n        "
        )
      ]
    )
  },
  function() {
    var _vm = this
    var _h = _vm.$createElement
    var _c = _vm._self._c || _h
    return _c("div", { staticClass: "mb-12" }, [
      _c(
        "label",
        {
          staticClass:
            "mt-4 block mb-2 uppercase font-bold text-sm text-red-500",
          attrs: { for: "checkDeleting" }
        },
        [
          _vm._v(
            '\n                Please type "yes" to delete your account.\n            '
          )
        ]
      ),
      _vm._v(" "),
      _c("input", {
        staticClass: "focus:outline-none border-b border-gray-400 p-2",
        attrs: {
          type: "text",
          name: "checkDeleting",
          id: "checkDeleting",
          placeholder: "do you wish to proceed?"
        }
      })
    ])
  }
]
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/loaders/templateLoader.js?!./node_modules/vue-loader/lib/index.js?!./resources/js/components/users/user-show.vue?vue&type=template&id=74452e06&":
/*!******************************************************************************************************************************************************************************************************************!*\
  !*** ./node_modules/vue-loader/lib/loaders/templateLoader.js??vue-loader-options!./node_modules/vue-loader/lib??vue-loader-options!./resources/js/components/users/user-show.vue?vue&type=template&id=74452e06& ***!
  \******************************************************************************************************************************************************************************************************************/
/*! exports provided: render, staticRenderFns */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "render", function() { return render; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "staticRenderFns", function() { return staticRenderFns; });
var render = function() {
  var _vm = this
  var _h = _vm.$createElement
  var _c = _vm._self._c || _h
  return _c("div", { staticClass: "z-0 -mt-10 mb-6" }, [
    _c("div", { staticClass: "relative -mx-8 mb-4" }, [
      _c("img", {
        staticClass: "h-40 w-full px-1 mb-2 object-cover overflow-hidden",
        attrs: { src: _vm.user.banner, alt: "banner" }
      }),
      _vm._v(" "),
      _c("img", {
        staticClass:
          "object-cover md:w-32 md:h-32 sm:w-24 sm:h-24 h-16 w-16 mr-2 rounded-full border-4 border-white absolute bottom-0 transform -translate-x-1/2 translate-y-1/2",
        staticStyle: { left: "50%" },
        attrs: { src: _vm.user.avatar, alt: "avatar" }
      })
    ]),
    _vm._v(" "),
    _c(
      "div",
      { staticClass: "flex rounded-lg justify-between items-center mb-6" },
      [
        _c("div", { staticClass: "w-14 md:w-44 2xl:w-64" }, [
          _c(
            "h2",
            { staticClass: "font-bold lg:text-2xl md:text-lg text-md" },
            [_vm._v(_vm._s(_vm.user.name))]
          ),
          _vm._v(" "),
          _c("p", { staticClass: "text-sm" }, [
            _vm._v("Joined " + _vm._s(_vm.userCreatedAt))
          ])
        ]),
        _vm._v(" "),
        _vm.authUser.id == _vm.user.id
          ? _c("div", { staticClass: "flex" }, [
              _c(
                "a",
                {
                  staticClass:
                    "rounded-lg shadow border border-gray-300 py-2 px-4 mr-2 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                  attrs: { href: _vm.userEditPath }
                },
                [_vm._v("\n                Edit profile\n            ")]
              )
            ])
          : _c(
              "a",
              {
                staticClass:
                  "rounded-lg shadow border border-gray-300 py-2 px-4 mr-2 text-black text-xs hover:text-gray-500 hover:bg-gray-100",
                attrs: { href: "/chats/find/" + _vm.user.id }
              },
              [_vm._v("\n            Chat\n        ")]
            )
      ]
    ),
    _vm._v(" "),
    _c("p", { staticClass: "text-sm float-right mb-4" }, [
      _vm._v("\n        " + _vm._s(_vm.user.email) + "\n    ")
    ]),
    _vm._v(" "),
    _c("p", { staticClass: "text-sm mb-4" }, [
      _vm._v("\n        " + _vm._s(_vm.user.bio) + "\n    ")
    ]),
    _vm._v(" "),
    _c("div", { staticClass: "w-full mt-12 border-b mb-12 rounded-full" }),
    _vm._v(" "),
    _vm.authUser.id == _vm.user.id
      ? _c(
          "div",
          { staticClass: "mx-auto" },
          [
            _c("user-assignments", { attrs: { authUser: _vm.authUser } }),
            _vm._v(" "),
            _c("user-events", {
              staticClass: "mt-12",
              attrs: { authUser: _vm.authUser }
            })
          ],
          1
        )
      : _vm._e()
  ])
}
var staticRenderFns = []
render._withStripped = true



/***/ }),

/***/ "./node_modules/vue-loader/lib/runtime/componentNormalizer.js":
/*!********************************************************************!*\
  !*** ./node_modules/vue-loader/lib/runtime/componentNormalizer.js ***!
  \********************************************************************/
/*! exports provided: default */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return normalizeComponent; });
/* globals __VUE_SSR_CONTEXT__ */

// IMPORTANT: Do NOT use ES2015 features in this file (except for modules).
// This module is a runtime utility for cleaner component module output and will
// be included in the final webpack user bundle.

function normalizeComponent (
  scriptExports,
  render,
  staticRenderFns,
  functionalTemplate,
  injectStyles,
  scopeId,
  moduleIdentifier, /* server only */
  shadowMode /* vue-cli only */
) {
  // Vue.extend constructor export interop
  var options = typeof scriptExports === 'function'
    ? scriptExports.options
    : scriptExports

  // render functions
  if (render) {
    options.render = render
    options.staticRenderFns = staticRenderFns
    options._compiled = true
  }

  // functional template
  if (functionalTemplate) {
    options.functional = true
  }

  // scopedId
  if (scopeId) {
    options._scopeId = 'data-v-' + scopeId
  }

  var hook
  if (moduleIdentifier) { // server build
    hook = function (context) {
      // 2.3 injection
      context =
        context || // cached call
        (this.$vnode && this.$vnode.ssrContext) || // stateful
        (this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional
      // 2.2 with runInNewContext: true
      if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {
        context = __VUE_SSR_CONTEXT__
      }
      // inject component styles
      if (injectStyles) {
        injectStyles.call(this, context)
      }
      // register component module identifier for async chunk inferrence
      if (context && context._registeredComponents) {
        context._registeredComponents.add(moduleIdentifier)
      }
    }
    // used by ssr in case component is cached and beforeCreate
    // never gets called
    options._ssrRegister = hook
  } else if (injectStyles) {
    hook = shadowMode
      ? function () {
        injectStyles.call(
          this,
          (options.functional ? this.parent : this).$root.$options.shadowRoot
        )
      }
      : injectStyles
  }

  if (hook) {
    if (options.functional) {
      // for template-only hot-reload because in that case the render fn doesn't
      // go through the normalizer
      options._injectStyles = hook
      // register for functional component in vue file
      var originalRender = options.render
      options.render = function renderWithStyleInjection (h, context) {
        hook.call(context)
        return originalRender(h, context)
      }
    } else {
      // inject component registration as beforeCreate hook
      var existing = options.beforeCreate
      options.beforeCreate = existing
        ? [].concat(existing, hook)
        : [hook]
    }
  }

  return {
    exports: scriptExports,
    options: options
  }
}


/***/ }),

/***/ "./node_modules/vue/dist/vue.common.dev.js":
/*!*************************************************!*\
  !*** ./node_modules/vue/dist/vue.common.dev.js ***!
  \*************************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/* WEBPACK VAR INJECTION */(function(global, setImmediate) {/*!
 * Vue.js v2.6.12
 * (c) 2014-2020 Evan You
 * Released under the MIT License.
 */


/*  */

var emptyObject = Object.freeze({});

// These helpers produce better VM code in JS engines due to their
// explicitness and function inlining.
function isUndef (v) {
  return v === undefined || v === null
}

function isDef (v) {
  return v !== undefined && v !== null
}

function isTrue (v) {
  return v === true
}

function isFalse (v) {
  return v === false
}

/**
 * Check if value is primitive.
 */
function isPrimitive (value) {
  return (
    typeof value === 'string' ||
    typeof value === 'number' ||
    // $flow-disable-line
    typeof value === 'symbol' ||
    typeof value === 'boolean'
  )
}

/**
 * Quick object check - this is primarily used to tell
 * Objects from primitive values when we know the value
 * is a JSON-compliant type.
 */
function isObject (obj) {
  return obj !== null && typeof obj === 'object'
}

/**
 * Get the raw type string of a value, e.g., [object Object].
 */
var _toString = Object.prototype.toString;

function toRawType (value) {
  return _toString.call(value).slice(8, -1)
}

/**
 * Strict object type check. Only returns true
 * for plain JavaScript objects.
 */
function isPlainObject (obj) {
  return _toString.call(obj) === '[object Object]'
}

function isRegExp (v) {
  return _toString.call(v) === '[object RegExp]'
}

/**
 * Check if val is a valid array index.
 */
function isValidArrayIndex (val) {
  var n = parseFloat(String(val));
  return n >= 0 && Math.floor(n) === n && isFinite(val)
}

function isPromise (val) {
  return (
    isDef(val) &&
    typeof val.then === 'function' &&
    typeof val.catch === 'function'
  )
}

/**
 * Convert a value to a string that is actually rendered.
 */
function toString (val) {
  return val == null
    ? ''
    : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
      ? JSON.stringify(val, null, 2)
      : String(val)
}

/**
 * Convert an input value to a number for persistence.
 * If the conversion fails, return original string.
 */
function toNumber (val) {
  var n = parseFloat(val);
  return isNaN(n) ? val : n
}

/**
 * Make a map and return a function for checking if a key
 * is in that map.
 */
function makeMap (
  str,
  expectsLowerCase
) {
  var map = Object.create(null);
  var list = str.split(',');
  for (var i = 0; i < list.length; i++) {
    map[list[i]] = true;
  }
  return expectsLowerCase
    ? function (val) { return map[val.toLowerCase()]; }
    : function (val) { return map[val]; }
}

/**
 * Check if a tag is a built-in tag.
 */
var isBuiltInTag = makeMap('slot,component', true);

/**
 * Check if an attribute is a reserved attribute.
 */
var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');

/**
 * Remove an item from an array.
 */
function remove (arr, item) {
  if (arr.length) {
    var index = arr.indexOf(item);
    if (index > -1) {
      return arr.splice(index, 1)
    }
  }
}

/**
 * Check whether an object has the property.
 */
var hasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwn (obj, key) {
  return hasOwnProperty.call(obj, key)
}

/**
 * Create a cached version of a pure function.
 */
function cached (fn) {
  var cache = Object.create(null);
  return (function cachedFn (str) {
    var hit = cache[str];
    return hit || (cache[str] = fn(str))
  })
}

/**
 * Camelize a hyphen-delimited string.
 */
var camelizeRE = /-(\w)/g;
var camelize = cached(function (str) {
  return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
});

/**
 * Capitalize a string.
 */
var capitalize = cached(function (str) {
  return str.charAt(0).toUpperCase() + str.slice(1)
});

/**
 * Hyphenate a camelCase string.
 */
var hyphenateRE = /\B([A-Z])/g;
var hyphenate = cached(function (str) {
  return str.replace(hyphenateRE, '-$1').toLowerCase()
});

/**
 * Simple bind polyfill for environments that do not support it,
 * e.g., PhantomJS 1.x. Technically, we don't need this anymore
 * since native bind is now performant enough in most browsers.
 * But removing it would mean breaking code that was able to run in
 * PhantomJS 1.x, so this must be kept for backward compatibility.
 */

/* istanbul ignore next */
function polyfillBind (fn, ctx) {
  function boundFn (a) {
    var l = arguments.length;
    return l
      ? l > 1
        ? fn.apply(ctx, arguments)
        : fn.call(ctx, a)
      : fn.call(ctx)
  }

  boundFn._length = fn.length;
  return boundFn
}

function nativeBind (fn, ctx) {
  return fn.bind(ctx)
}

var bind = Function.prototype.bind
  ? nativeBind
  : polyfillBind;

/**
 * Convert an Array-like object to a real Array.
 */
function toArray (list, start) {
  start = start || 0;
  var i = list.length - start;
  var ret = new Array(i);
  while (i--) {
    ret[i] = list[i + start];
  }
  return ret
}

/**
 * Mix properties into target object.
 */
function extend (to, _from) {
  for (var key in _from) {
    to[key] = _from[key];
  }
  return to
}

/**
 * Merge an Array of Objects into a single Object.
 */
function toObject (arr) {
  var res = {};
  for (var i = 0; i < arr.length; i++) {
    if (arr[i]) {
      extend(res, arr[i]);
    }
  }
  return res
}

/* eslint-disable no-unused-vars */

/**
 * Perform no operation.
 * Stubbing args to make Flow happy without leaving useless transpiled code
 * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
 */
function noop (a, b, c) {}

/**
 * Always return false.
 */
var no = function (a, b, c) { return false; };

/* eslint-enable no-unused-vars */

/**
 * Return the same value.
 */
var identity = function (_) { return _; };

/**
 * Generate a string containing static keys from compiler modules.
 */
function genStaticKeys (modules) {
  return modules.reduce(function (keys, m) {
    return keys.concat(m.staticKeys || [])
  }, []).join(',')
}

/**
 * Check if two values are loosely equal - that is,
 * if they are plain objects, do they have the same shape?
 */
function looseEqual (a, b) {
  if (a === b) { return true }
  var isObjectA = isObject(a);
  var isObjectB = isObject(b);
  if (isObjectA && isObjectB) {
    try {
      var isArrayA = Array.isArray(a);
      var isArrayB = Array.isArray(b);
      if (isArrayA && isArrayB) {
        return a.length === b.length && a.every(function (e, i) {
          return looseEqual(e, b[i])
        })
      } else if (a instanceof Date && b instanceof Date) {
        return a.getTime() === b.getTime()
      } else if (!isArrayA && !isArrayB) {
        var keysA = Object.keys(a);
        var keysB = Object.keys(b);
        return keysA.length === keysB.length && keysA.every(function (key) {
          return looseEqual(a[key], b[key])
        })
      } else {
        /* istanbul ignore next */
        return false
      }
    } catch (e) {
      /* istanbul ignore next */
      return false
    }
  } else if (!isObjectA && !isObjectB) {
    return String(a) === String(b)
  } else {
    return false
  }
}

/**
 * Return the first index at which a loosely equal value can be
 * found in the array (if value is a plain object, the array must
 * contain an object of the same shape), or -1 if it is not present.
 */
function looseIndexOf (arr, val) {
  for (var i = 0; i < arr.length; i++) {
    if (looseEqual(arr[i], val)) { return i }
  }
  return -1
}

/**
 * Ensure a function is called only once.
 */
function once (fn) {
  var called = false;
  return function () {
    if (!called) {
      called = true;
      fn.apply(this, arguments);
    }
  }
}

var SSR_ATTR = 'data-server-rendered';

var ASSET_TYPES = [
  'component',
  'directive',
  'filter'
];

var LIFECYCLE_HOOKS = [
  'beforeCreate',
  'created',
  'beforeMount',
  'mounted',
  'beforeUpdate',
  'updated',
  'beforeDestroy',
  'destroyed',
  'activated',
  'deactivated',
  'errorCaptured',
  'serverPrefetch'
];

/*  */



var config = ({
  /**
   * Option merge strategies (used in core/util/options)
   */
  // $flow-disable-line
  optionMergeStrategies: Object.create(null),

  /**
   * Whether to suppress warnings.
   */
  silent: false,

  /**
   * Show production mode tip message on boot?
   */
  productionTip: "development" !== 'production',

  /**
   * Whether to enable devtools
   */
  devtools: "development" !== 'production',

  /**
   * Whether to record perf
   */
  performance: false,

  /**
   * Error handler for watcher errors
   */
  errorHandler: null,

  /**
   * Warn handler for watcher warns
   */
  warnHandler: null,

  /**
   * Ignore certain custom elements
   */
  ignoredElements: [],

  /**
   * Custom user key aliases for v-on
   */
  // $flow-disable-line
  keyCodes: Object.create(null),

  /**
   * Check if a tag is reserved so that it cannot be registered as a
   * component. This is platform-dependent and may be overwritten.
   */
  isReservedTag: no,

  /**
   * Check if an attribute is reserved so that it cannot be used as a component
   * prop. This is platform-dependent and may be overwritten.
   */
  isReservedAttr: no,

  /**
   * Check if a tag is an unknown element.
   * Platform-dependent.
   */
  isUnknownElement: no,

  /**
   * Get the namespace of an element
   */
  getTagNamespace: noop,

  /**
   * Parse the real tag name for the specific platform.
   */
  parsePlatformTagName: identity,

  /**
   * Check if an attribute must be bound using property, e.g. value
   * Platform-dependent.
   */
  mustUseProp: no,

  /**
   * Perform updates asynchronously. Intended to be used by Vue Test Utils
   * This will significantly reduce performance if set to false.
   */
  async: true,

  /**
   * Exposed for legacy reasons
   */
  _lifecycleHooks: LIFECYCLE_HOOKS
});

/*  */

/**
 * unicode letters used for parsing html tags, component names and property paths.
 * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
 * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
 */
var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;

/**
 * Check if a string starts with $ or _
 */
function isReserved (str) {
  var c = (str + '').charCodeAt(0);
  return c === 0x24 || c === 0x5F
}

/**
 * Define a property.
 */
function def (obj, key, val, enumerable) {
  Object.defineProperty(obj, key, {
    value: val,
    enumerable: !!enumerable,
    writable: true,
    configurable: true
  });
}

/**
 * Parse simple path.
 */
var bailRE = new RegExp(("[^" + (unicodeRegExp.source) + ".$_\\d]"));
function parsePath (path) {
  if (bailRE.test(path)) {
    return
  }
  var segments = path.split('.');
  return function (obj) {
    for (var i = 0; i < segments.length; i++) {
      if (!obj) { return }
      obj = obj[segments[i]];
    }
    return obj
  }
}

/*  */

// can we use __proto__?
var hasProto = '__proto__' in {};

// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';
var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
var isIE = UA && /msie|trident/.test(UA);
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
var isEdge = UA && UA.indexOf('edge/') > 0;
var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
var isPhantomJS = UA && /phantomjs/.test(UA);
var isFF = UA && UA.match(/firefox\/(\d+)/);

// Firefox has a "watch" function on Object.prototype...
var nativeWatch = ({}).watch;

var supportsPassive = false;
if (inBrowser) {
  try {
    var opts = {};
    Object.defineProperty(opts, 'passive', ({
      get: function get () {
        /* istanbul ignore next */
        supportsPassive = true;
      }
    })); // https://github.com/facebook/flow/issues/285
    window.addEventListener('test-passive', null, opts);
  } catch (e) {}
}

// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
var _isServer;
var isServerRendering = function () {
  if (_isServer === undefined) {
    /* istanbul ignore if */
    if (!inBrowser && !inWeex && typeof global !== 'undefined') {
      // detect presence of vue-server-renderer and avoid
      // Webpack shimming the process
      _isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
    } else {
      _isServer = false;
    }
  }
  return _isServer
};

// detect devtools
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;

/* istanbul ignore next */
function isNative (Ctor) {
  return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
}

var hasSymbol =
  typeof Symbol !== 'undefined' && isNative(Symbol) &&
  typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);

var _Set;
/* istanbul ignore if */ // $flow-disable-line
if (typeof Set !== 'undefined' && isNative(Set)) {
  // use native Set when available.
  _Set = Set;
} else {
  // a non-standard Set polyfill that only works with primitive keys.
  _Set = /*@__PURE__*/(function () {
    function Set () {
      this.set = Object.create(null);
    }
    Set.prototype.has = function has (key) {
      return this.set[key] === true
    };
    Set.prototype.add = function add (key) {
      this.set[key] = true;
    };
    Set.prototype.clear = function clear () {
      this.set = Object.create(null);
    };

    return Set;
  }());
}

/*  */

var warn = noop;
var tip = noop;
var generateComponentTrace = (noop); // work around flow check
var formatComponentName = (noop);

{
  var hasConsole = typeof console !== 'undefined';
  var classifyRE = /(?:^|[-_])(\w)/g;
  var classify = function (str) { return str
    .replace(classifyRE, function (c) { return c.toUpperCase(); })
    .replace(/[-_]/g, ''); };

  warn = function (msg, vm) {
    var trace = vm ? generateComponentTrace(vm) : '';

    if (config.warnHandler) {
      config.warnHandler.call(null, msg, vm, trace);
    } else if (hasConsole && (!config.silent)) {
      console.error(("[Vue warn]: " + msg + trace));
    }
  };

  tip = function (msg, vm) {
    if (hasConsole && (!config.silent)) {
      console.warn("[Vue tip]: " + msg + (
        vm ? generateComponentTrace(vm) : ''
      ));
    }
  };

  formatComponentName = function (vm, includeFile) {
    if (vm.$root === vm) {
      return '<Root>'
    }
    var options = typeof vm === 'function' && vm.cid != null
      ? vm.options
      : vm._isVue
        ? vm.$options || vm.constructor.options
        : vm;
    var name = options.name || options._componentTag;
    var file = options.__file;
    if (!name && file) {
      var match = file.match(/([^/\\]+)\.vue$/);
      name = match && match[1];
    }

    return (
      (name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
      (file && includeFile !== false ? (" at " + file) : '')
    )
  };

  var repeat = function (str, n) {
    var res = '';
    while (n) {
      if (n % 2 === 1) { res += str; }
      if (n > 1) { str += str; }
      n >>= 1;
    }
    return res
  };

  generateComponentTrace = function (vm) {
    if (vm._isVue && vm.$parent) {
      var tree = [];
      var currentRecursiveSequence = 0;
      while (vm) {
        if (tree.length > 0) {
          var last = tree[tree.length - 1];
          if (last.constructor === vm.constructor) {
            currentRecursiveSequence++;
            vm = vm.$parent;
            continue
          } else if (currentRecursiveSequence > 0) {
            tree[tree.length - 1] = [last, currentRecursiveSequence];
            currentRecursiveSequence = 0;
          }
        }
        tree.push(vm);
        vm = vm.$parent;
      }
      return '\n\nfound in\n\n' + tree
        .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)
            ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)")
            : formatComponentName(vm))); })
        .join('\n')
    } else {
      return ("\n\n(found in " + (formatComponentName(vm)) + ")")
    }
  };
}

/*  */

var uid = 0;

/**
 * A dep is an observable that can have multiple
 * directives subscribing to it.
 */
var Dep = function Dep () {
  this.id = uid++;
  this.subs = [];
};

Dep.prototype.addSub = function addSub (sub) {
  this.subs.push(sub);
};

Dep.prototype.removeSub = function removeSub (sub) {
  remove(this.subs, sub);
};

Dep.prototype.depend = function depend () {
  if (Dep.target) {
    Dep.target.addDep(this);
  }
};

Dep.prototype.notify = function notify () {
  // stabilize the subscriber list first
  var subs = this.subs.slice();
  if (!config.async) {
    // subs aren't sorted in scheduler if not running async
    // we need to sort them now to make sure they fire in correct
    // order
    subs.sort(function (a, b) { return a.id - b.id; });
  }
  for (var i = 0, l = subs.length; i < l; i++) {
    subs[i].update();
  }
};

// The current target watcher being evaluated.
// This is globally unique because only one watcher
// can be evaluated at a time.
Dep.target = null;
var targetStack = [];

function pushTarget (target) {
  targetStack.push(target);
  Dep.target = target;
}

function popTarget () {
  targetStack.pop();
  Dep.target = targetStack[targetStack.length - 1];
}

/*  */

var VNode = function VNode (
  tag,
  data,
  children,
  text,
  elm,
  context,
  componentOptions,
  asyncFactory
) {
  this.tag = tag;
  this.data = data;
  this.children = children;
  this.text = text;
  this.elm = elm;
  this.ns = undefined;
  this.context = context;
  this.fnContext = undefined;
  this.fnOptions = undefined;
  this.fnScopeId = undefined;
  this.key = data && data.key;
  this.componentOptions = componentOptions;
  this.componentInstance = undefined;
  this.parent = undefined;
  this.raw = false;
  this.isStatic = false;
  this.isRootInsert = true;
  this.isComment = false;
  this.isCloned = false;
  this.isOnce = false;
  this.asyncFactory = asyncFactory;
  this.asyncMeta = undefined;
  this.isAsyncPlaceholder = false;
};

var prototypeAccessors = { child: { configurable: true } };

// DEPRECATED: alias for componentInstance for backwards compat.
/* istanbul ignore next */
prototypeAccessors.child.get = function () {
  return this.componentInstance
};

Object.defineProperties( VNode.prototype, prototypeAccessors );

var createEmptyVNode = function (text) {
  if ( text === void 0 ) text = '';

  var node = new VNode();
  node.text = text;
  node.isComment = true;
  return node
};

function createTextVNode (val) {
  return new VNode(undefined, undefined, undefined, String(val))
}

// optimized shallow clone
// used for static nodes and slot nodes because they may be reused across
// multiple renders, cloning them avoids errors when DOM manipulations rely
// on their elm reference.
function cloneVNode (vnode) {
  var cloned = new VNode(
    vnode.tag,
    vnode.data,
    // #7975
    // clone children array to avoid mutating original in case of cloning
    // a child.
    vnode.children && vnode.children.slice(),
    vnode.text,
    vnode.elm,
    vnode.context,
    vnode.componentOptions,
    vnode.asyncFactory
  );
  cloned.ns = vnode.ns;
  cloned.isStatic = vnode.isStatic;
  cloned.key = vnode.key;
  cloned.isComment = vnode.isComment;
  cloned.fnContext = vnode.fnContext;
  cloned.fnOptions = vnode.fnOptions;
  cloned.fnScopeId = vnode.fnScopeId;
  cloned.asyncMeta = vnode.asyncMeta;
  cloned.isCloned = true;
  return cloned
}

/*
 * not type checking this file because flow doesn't play well with
 * dynamically accessing methods on Array prototype
 */

var arrayProto = Array.prototype;
var arrayMethods = Object.create(arrayProto);

var methodsToPatch = [
  'push',
  'pop',
  'shift',
  'unshift',
  'splice',
  'sort',
  'reverse'
];

/**
 * Intercept mutating methods and emit events
 */
methodsToPatch.forEach(function (method) {
  // cache original method
  var original = arrayProto[method];
  def(arrayMethods, method, function mutator () {
    var args = [], len = arguments.length;
    while ( len-- ) args[ len ] = arguments[ len ];

    var result = original.apply(this, args);
    var ob = this.__ob__;
    var inserted;
    switch (method) {
      case 'push':
      case 'unshift':
        inserted = args;
        break
      case 'splice':
        inserted = args.slice(2);
        break
    }
    if (inserted) { ob.observeArray(inserted); }
    // notify change
    ob.dep.notify();
    return result
  });
});

/*  */

var arrayKeys = Object.getOwnPropertyNames(arrayMethods);

/**
 * In some cases we may want to disable observation inside a component's
 * update computation.
 */
var shouldObserve = true;

function toggleObserving (value) {
  shouldObserve = value;
}

/**
 * Observer class that is attached to each observed
 * object. Once attached, the observer converts the target
 * object's property keys into getter/setters that
 * collect dependencies and dispatch updates.
 */
var Observer = function Observer (value) {
  this.value = value;
  this.dep = new Dep();
  this.vmCount = 0;
  def(value, '__ob__', this);
  if (Array.isArray(value)) {
    if (hasProto) {
      protoAugment(value, arrayMethods);
    } else {
      copyAugment(value, arrayMethods, arrayKeys);
    }
    this.observeArray(value);
  } else {
    this.walk(value);
  }
};

/**
 * Walk through all properties and convert them into
 * getter/setters. This method should only be called when
 * value type is Object.
 */
Observer.prototype.walk = function walk (obj) {
  var keys = Object.keys(obj);
  for (var i = 0; i < keys.length; i++) {
    defineReactive$$1(obj, keys[i]);
  }
};

/**
 * Observe a list of Array items.
 */
Observer.prototype.observeArray = function observeArray (items) {
  for (var i = 0, l = items.length; i < l; i++) {
    observe(items[i]);
  }
};

// helpers

/**
 * Augment a target Object or Array by intercepting
 * the prototype chain using __proto__
 */
function protoAugment (target, src) {
  /* eslint-disable no-proto */
  target.__proto__ = src;
  /* eslint-enable no-proto */
}

/**
 * Augment a target Object or Array by defining
 * hidden properties.
 */
/* istanbul ignore next */
function copyAugment (target, src, keys) {
  for (var i = 0, l = keys.length; i < l; i++) {
    var key = keys[i];
    def(target, key, src[key]);
  }
}

/**
 * Attempt to create an observer instance for a value,
 * returns the new observer if successfully observed,
 * or the existing observer if the value already has one.
 */
function observe (value, asRootData) {
  if (!isObject(value) || value instanceof VNode) {
    return
  }
  var ob;
  if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
    ob = value.__ob__;
  } else if (
    shouldObserve &&
    !isServerRendering() &&
    (Array.isArray(value) || isPlainObject(value)) &&
    Object.isExtensible(value) &&
    !value._isVue
  ) {
    ob = new Observer(value);
  }
  if (asRootData && ob) {
    ob.vmCount++;
  }
  return ob
}

/**
 * Define a reactive property on an Object.
 */
function defineReactive$$1 (
  obj,
  key,
  val,
  customSetter,
  shallow
) {
  var dep = new Dep();

  var property = Object.getOwnPropertyDescriptor(obj, key);
  if (property && property.configurable === false) {
    return
  }

  // cater for pre-defined getter/setters
  var getter = property && property.get;
  var setter = property && property.set;
  if ((!getter || setter) && arguments.length === 2) {
    val = obj[key];
  }

  var childOb = !shallow && observe(val);
  Object.defineProperty(obj, key, {
    enumerable: true,
    configurable: true,
    get: function reactiveGetter () {
      var value = getter ? getter.call(obj) : val;
      if (Dep.target) {
        dep.depend();
        if (childOb) {
          childOb.dep.depend();
          if (Array.isArray(value)) {
            dependArray(value);
          }
        }
      }
      return value
    },
    set: function reactiveSetter (newVal) {
      var value = getter ? getter.call(obj) : val;
      /* eslint-disable no-self-compare */
      if (newVal === value || (newVal !== newVal && value !== value)) {
        return
      }
      /* eslint-enable no-self-compare */
      if (customSetter) {
        customSetter();
      }
      // #7981: for accessor properties without setter
      if (getter && !setter) { return }
      if (setter) {
        setter.call(obj, newVal);
      } else {
        val = newVal;
      }
      childOb = !shallow && observe(newVal);
      dep.notify();
    }
  });
}

/**
 * Set a property on an object. Adds the new property and
 * triggers change notification if the property doesn't
 * already exist.
 */
function set (target, key, val) {
  if (isUndef(target) || isPrimitive(target)
  ) {
    warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target))));
  }
  if (Array.isArray(target) && isValidArrayIndex(key)) {
    target.length = Math.max(target.length, key);
    target.splice(key, 1, val);
    return val
  }
  if (key in target && !(key in Object.prototype)) {
    target[key] = val;
    return val
  }
  var ob = (target).__ob__;
  if (target._isVue || (ob && ob.vmCount)) {
    warn(
      'Avoid adding reactive properties to a Vue instance or its root $data ' +
      'at runtime - declare it upfront in the data option.'
    );
    return val
  }
  if (!ob) {
    target[key] = val;
    return val
  }
  defineReactive$$1(ob.value, key, val);
  ob.dep.notify();
  return val
}

/**
 * Delete a property and trigger change if necessary.
 */
function del (target, key) {
  if (isUndef(target) || isPrimitive(target)
  ) {
    warn(("Cannot delete reactive property on undefined, null, or primitive value: " + ((target))));
  }
  if (Array.isArray(target) && isValidArrayIndex(key)) {
    target.splice(key, 1);
    return
  }
  var ob = (target).__ob__;
  if (target._isVue || (ob && ob.vmCount)) {
    warn(
      'Avoid deleting properties on a Vue instance or its root $data ' +
      '- just set it to null.'
    );
    return
  }
  if (!hasOwn(target, key)) {
    return
  }
  delete target[key];
  if (!ob) {
    return
  }
  ob.dep.notify();
}

/**
 * Collect dependencies on array elements when the array is touched, since
 * we cannot intercept array element access like property getters.
 */
function dependArray (value) {
  for (var e = (void 0), i = 0, l = value.length; i < l; i++) {
    e = value[i];
    e && e.__ob__ && e.__ob__.dep.depend();
    if (Array.isArray(e)) {
      dependArray(e);
    }
  }
}

/*  */

/**
 * Option overwriting strategies are functions that handle
 * how to merge a parent option value and a child option
 * value into the final value.
 */
var strats = config.optionMergeStrategies;

/**
 * Options with restrictions
 */
{
  strats.el = strats.propsData = function (parent, child, vm, key) {
    if (!vm) {
      warn(
        "option \"" + key + "\" can only be used during instance " +
        'creation with the `new` keyword.'
      );
    }
    return defaultStrat(parent, child)
  };
}

/**
 * Helper that recursively merges two data objects together.
 */
function mergeData (to, from) {
  if (!from) { return to }
  var key, toVal, fromVal;

  var keys = hasSymbol
    ? Reflect.ownKeys(from)
    : Object.keys(from);

  for (var i = 0; i < keys.length; i++) {
    key = keys[i];
    // in case the object is already observed...
    if (key === '__ob__') { continue }
    toVal = to[key];
    fromVal = from[key];
    if (!hasOwn(to, key)) {
      set(to, key, fromVal);
    } else if (
      toVal !== fromVal &&
      isPlainObject(toVal) &&
      isPlainObject(fromVal)
    ) {
      mergeData(toVal, fromVal);
    }
  }
  return to
}

/**
 * Data
 */
function mergeDataOrFn (
  parentVal,
  childVal,
  vm
) {
  if (!vm) {
    // in a Vue.extend merge, both should be functions
    if (!childVal) {
      return parentVal
    }
    if (!parentVal) {
      return childVal
    }
    // when parentVal & childVal are both present,
    // we need to return a function that returns the
    // merged result of both functions... no need to
    // check if parentVal is a function here because
    // it has to be a function to pass previous merges.
    return function mergedDataFn () {
      return mergeData(
        typeof childVal === 'function' ? childVal.call(this, this) : childVal,
        typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
      )
    }
  } else {
    return function mergedInstanceDataFn () {
      // instance merge
      var instanceData = typeof childVal === 'function'
        ? childVal.call(vm, vm)
        : childVal;
      var defaultData = typeof parentVal === 'function'
        ? parentVal.call(vm, vm)
        : parentVal;
      if (instanceData) {
        return mergeData(instanceData, defaultData)
      } else {
        return defaultData
      }
    }
  }
}

strats.data = function (
  parentVal,
  childVal,
  vm
) {
  if (!vm) {
    if (childVal && typeof childVal !== 'function') {
      warn(
        'The "data" option should be a function ' +
        'that returns a per-instance value in component ' +
        'definitions.',
        vm
      );

      return parentVal
    }
    return mergeDataOrFn(parentVal, childVal)
  }

  return mergeDataOrFn(parentVal, childVal, vm)
};

/**
 * Hooks and props are merged as arrays.
 */
function mergeHook (
  parentVal,
  childVal
) {
  var res = childVal
    ? parentVal
      ? parentVal.concat(childVal)
      : Array.isArray(childVal)
        ? childVal
        : [childVal]
    : parentVal;
  return res
    ? dedupeHooks(res)
    : res
}

function dedupeHooks (hooks) {
  var res = [];
  for (var i = 0; i < hooks.length; i++) {
    if (res.indexOf(hooks[i]) === -1) {
      res.push(hooks[i]);
    }
  }
  return res
}

LIFECYCLE_HOOKS.forEach(function (hook) {
  strats[hook] = mergeHook;
});

/**
 * Assets
 *
 * When a vm is present (instance creation), we need to do
 * a three-way merge between constructor options, instance
 * options and parent options.
 */
function mergeAssets (
  parentVal,
  childVal,
  vm,
  key
) {
  var res = Object.create(parentVal || null);
  if (childVal) {
    assertObjectType(key, childVal, vm);
    return extend(res, childVal)
  } else {
    return res
  }
}

ASSET_TYPES.forEach(function (type) {
  strats[type + 's'] = mergeAssets;
});

/**
 * Watchers.
 *
 * Watchers hashes should not overwrite one
 * another, so we merge them as arrays.
 */
strats.watch = function (
  parentVal,
  childVal,
  vm,
  key
) {
  // work around Firefox's Object.prototype.watch...
  if (parentVal === nativeWatch) { parentVal = undefined; }
  if (childVal === nativeWatch) { childVal = undefined; }
  /* istanbul ignore if */
  if (!childVal) { return Object.create(parentVal || null) }
  {
    assertObjectType(key, childVal, vm);
  }
  if (!parentVal) { return childVal }
  var ret = {};
  extend(ret, parentVal);
  for (var key$1 in childVal) {
    var parent = ret[key$1];
    var child = childVal[key$1];
    if (parent && !Array.isArray(parent)) {
      parent = [parent];
    }
    ret[key$1] = parent
      ? parent.concat(child)
      : Array.isArray(child) ? child : [child];
  }
  return ret
};

/**
 * Other object hashes.
 */
strats.props =
strats.methods =
strats.inject =
strats.computed = function (
  parentVal,
  childVal,
  vm,
  key
) {
  if (childVal && "development" !== 'production') {
    assertObjectType(key, childVal, vm);
  }
  if (!parentVal) { return childVal }
  var ret = Object.create(null);
  extend(ret, parentVal);
  if (childVal) { extend(ret, childVal); }
  return ret
};
strats.provide = mergeDataOrFn;

/**
 * Default strategy.
 */
var defaultStrat = function (parentVal, childVal) {
  return childVal === undefined
    ? parentVal
    : childVal
};

/**
 * Validate component names
 */
function checkComponents (options) {
  for (var key in options.components) {
    validateComponentName(key);
  }
}

function validateComponentName (name) {
  if (!new RegExp(("^[a-zA-Z][\\-\\.0-9_" + (unicodeRegExp.source) + "]*$")).test(name)) {
    warn(
      'Invalid component name: "' + name + '". Component names ' +
      'should conform to valid custom element name in html5 specification.'
    );
  }
  if (isBuiltInTag(name) || config.isReservedTag(name)) {
    warn(
      'Do not use built-in or reserved HTML elements as component ' +
      'id: ' + name
    );
  }
}

/**
 * Ensure all props option syntax are normalized into the
 * Object-based format.
 */
function normalizeProps (options, vm) {
  var props = options.props;
  if (!props) { return }
  var res = {};
  var i, val, name;
  if (Array.isArray(props)) {
    i = props.length;
    while (i--) {
      val = props[i];
      if (typeof val === 'string') {
        name = camelize(val);
        res[name] = { type: null };
      } else {
        warn('props must be strings when using array syntax.');
      }
    }
  } else if (isPlainObject(props)) {
    for (var key in props) {
      val = props[key];
      name = camelize(key);
      res[name] = isPlainObject(val)
        ? val
        : { type: val };
    }
  } else {
    warn(
      "Invalid value for option \"props\": expected an Array or an Object, " +
      "but got " + (toRawType(props)) + ".",
      vm
    );
  }
  options.props = res;
}

/**
 * Normalize all injections into Object-based format
 */
function normalizeInject (options, vm) {
  var inject = options.inject;
  if (!inject) { return }
  var normalized = options.inject = {};
  if (Array.isArray(inject)) {
    for (var i = 0; i < inject.length; i++) {
      normalized[inject[i]] = { from: inject[i] };
    }
  } else if (isPlainObject(inject)) {
    for (var key in inject) {
      var val = inject[key];
      normalized[key] = isPlainObject(val)
        ? extend({ from: key }, val)
        : { from: val };
    }
  } else {
    warn(
      "Invalid value for option \"inject\": expected an Array or an Object, " +
      "but got " + (toRawType(inject)) + ".",
      vm
    );
  }
}

/**
 * Normalize raw function directives into object format.
 */
function normalizeDirectives (options) {
  var dirs = options.directives;
  if (dirs) {
    for (var key in dirs) {
      var def$$1 = dirs[key];
      if (typeof def$$1 === 'function') {
        dirs[key] = { bind: def$$1, update: def$$1 };
      }
    }
  }
}

function assertObjectType (name, value, vm) {
  if (!isPlainObject(value)) {
    warn(
      "Invalid value for option \"" + name + "\": expected an Object, " +
      "but got " + (toRawType(value)) + ".",
      vm
    );
  }
}

/**
 * Merge two option objects into a new one.
 * Core utility used in both instantiation and inheritance.
 */
function mergeOptions (
  parent,
  child,
  vm
) {
  {
    checkComponents(child);
  }

  if (typeof child === 'function') {
    child = child.options;
  }

  normalizeProps(child, vm);
  normalizeInject(child, vm);
  normalizeDirectives(child);

  // Apply extends and mixins on the child options,
  // but only if it is a raw options object that isn't
  // the result of another mergeOptions call.
  // Only merged options has the _base property.
  if (!child._base) {
    if (child.extends) {
      parent = mergeOptions(parent, child.extends, vm);
    }
    if (child.mixins) {
      for (var i = 0, l = child.mixins.length; i < l; i++) {
        parent = mergeOptions(parent, child.mixins[i], vm);
      }
    }
  }

  var options = {};
  var key;
  for (key in parent) {
    mergeField(key);
  }
  for (key in child) {
    if (!hasOwn(parent, key)) {
      mergeField(key);
    }
  }
  function mergeField (key) {
    var strat = strats[key] || defaultStrat;
    options[key] = strat(parent[key], child[key], vm, key);
  }
  return options
}

/**
 * Resolve an asset.
 * This function is used because child instances need access
 * to assets defined in its ancestor chain.
 */
function resolveAsset (
  options,
  type,
  id,
  warnMissing
) {
  /* istanbul ignore if */
  if (typeof id !== 'string') {
    return
  }
  var assets = options[type];
  // check local registration variations first
  if (hasOwn(assets, id)) { return assets[id] }
  var camelizedId = camelize(id);
  if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }
  var PascalCaseId = capitalize(camelizedId);
  if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }
  // fallback to prototype chain
  var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
  if (warnMissing && !res) {
    warn(
      'Failed to resolve ' + type.slice(0, -1) + ': ' + id,
      options
    );
  }
  return res
}

/*  */



function validateProp (
  key,
  propOptions,
  propsData,
  vm
) {
  var prop = propOptions[key];
  var absent = !hasOwn(propsData, key);
  var value = propsData[key];
  // boolean casting
  var booleanIndex = getTypeIndex(Boolean, prop.type);
  if (booleanIndex > -1) {
    if (absent && !hasOwn(prop, 'default')) {
      value = false;
    } else if (value === '' || value === hyphenate(key)) {
      // only cast empty string / same name to boolean if
      // boolean has higher priority
      var stringIndex = getTypeIndex(String, prop.type);
      if (stringIndex < 0 || booleanIndex < stringIndex) {
        value = true;
      }
    }
  }
  // check default value
  if (value === undefined) {
    value = getPropDefaultValue(vm, prop, key);
    // since the default value is a fresh copy,
    // make sure to observe it.
    var prevShouldObserve = shouldObserve;
    toggleObserving(true);
    observe(value);
    toggleObserving(prevShouldObserve);
  }
  {
    assertProp(prop, key, value, vm, absent);
  }
  return value
}

/**
 * Get the default value of a prop.
 */
function getPropDefaultValue (vm, prop, key) {
  // no default, return undefined
  if (!hasOwn(prop, 'default')) {
    return undefined
  }
  var def = prop.default;
  // warn against non-factory defaults for Object & Array
  if (isObject(def)) {
    warn(
      'Invalid default value for prop "' + key + '": ' +
      'Props with type Object/Array must use a factory function ' +
      'to return the default value.',
      vm
    );
  }
  // the raw prop value was also undefined from previous render,
  // return previous default value to avoid unnecessary watcher trigger
  if (vm && vm.$options.propsData &&
    vm.$options.propsData[key] === undefined &&
    vm._props[key] !== undefined
  ) {
    return vm._props[key]
  }
  // call factory function for non-Function types
  // a value is Function if its prototype is function even across different execution context
  return typeof def === 'function' && getType(prop.type) !== 'Function'
    ? def.call(vm)
    : def
}

/**
 * Assert whether a prop is valid.
 */
function assertProp (
  prop,
  name,
  value,
  vm,
  absent
) {
  if (prop.required && absent) {
    warn(
      'Missing required prop: "' + name + '"',
      vm
    );
    return
  }
  if (value == null && !prop.required) {
    return
  }
  var type = prop.type;
  var valid = !type || type === true;
  var expectedTypes = [];
  if (type) {
    if (!Array.isArray(type)) {
      type = [type];
    }
    for (var i = 0; i < type.length && !valid; i++) {
      var assertedType = assertType(value, type[i]);
      expectedTypes.push(assertedType.expectedType || '');
      valid = assertedType.valid;
    }
  }

  if (!valid) {
    warn(
      getInvalidTypeMessage(name, value, expectedTypes),
      vm
    );
    return
  }
  var validator = prop.validator;
  if (validator) {
    if (!validator(value)) {
      warn(
        'Invalid prop: custom validator check failed for prop "' + name + '".',
        vm
      );
    }
  }
}

var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;

function assertType (value, type) {
  var valid;
  var expectedType = getType(type);
  if (simpleCheckRE.test(expectedType)) {
    var t = typeof value;
    valid = t === expectedType.toLowerCase();
    // for primitive wrapper objects
    if (!valid && t === 'object') {
      valid = value instanceof type;
    }
  } else if (expectedType === 'Object') {
    valid = isPlainObject(value);
  } else if (expectedType === 'Array') {
    valid = Array.isArray(value);
  } else {
    valid = value instanceof type;
  }
  return {
    valid: valid,
    expectedType: expectedType
  }
}

/**
 * Use function string name to check built-in types,
 * because a simple equality check will fail when running
 * across different vms / iframes.
 */
function getType (fn) {
  var match = fn && fn.toString().match(/^\s*function (\w+)/);
  return match ? match[1] : ''
}

function isSameType (a, b) {
  return getType(a) === getType(b)
}

function getTypeIndex (type, expectedTypes) {
  if (!Array.isArray(expectedTypes)) {
    return isSameType(expectedTypes, type) ? 0 : -1
  }
  for (var i = 0, len = expectedTypes.length; i < len; i++) {
    if (isSameType(expectedTypes[i], type)) {
      return i
    }
  }
  return -1
}

function getInvalidTypeMessage (name, value, expectedTypes) {
  var message = "Invalid prop: type check failed for prop \"" + name + "\"." +
    " Expected " + (expectedTypes.map(capitalize).join(', '));
  var expectedType = expectedTypes[0];
  var receivedType = toRawType(value);
  var expectedValue = styleValue(value, expectedType);
  var receivedValue = styleValue(value, receivedType);
  // check if we need to specify expected value
  if (expectedTypes.length === 1 &&
      isExplicable(expectedType) &&
      !isBoolean(expectedType, receivedType)) {
    message += " with value " + expectedValue;
  }
  message += ", got " + receivedType + " ";
  // check if we need to specify received value
  if (isExplicable(receivedType)) {
    message += "with value " + receivedValue + ".";
  }
  return message
}

function styleValue (value, type) {
  if (type === 'String') {
    return ("\"" + value + "\"")
  } else if (type === 'Number') {
    return ("" + (Number(value)))
  } else {
    return ("" + value)
  }
}

function isExplicable (value) {
  var explicitTypes = ['string', 'number', 'boolean'];
  return explicitTypes.some(function (elem) { return value.toLowerCase() === elem; })
}

function isBoolean () {
  var args = [], len = arguments.length;
  while ( len-- ) args[ len ] = arguments[ len ];

  return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })
}

/*  */

function handleError (err, vm, info) {
  // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
  // See: https://github.com/vuejs/vuex/issues/1505
  pushTarget();
  try {
    if (vm) {
      var cur = vm;
      while ((cur = cur.$parent)) {
        var hooks = cur.$options.errorCaptured;
        if (hooks) {
          for (var i = 0; i < hooks.length; i++) {
            try {
              var capture = hooks[i].call(cur, err, vm, info) === false;
              if (capture) { return }
            } catch (e) {
              globalHandleError(e, cur, 'errorCaptured hook');
            }
          }
        }
      }
    }
    globalHandleError(err, vm, info);
  } finally {
    popTarget();
  }
}

function invokeWithErrorHandling (
  handler,
  context,
  args,
  vm,
  info
) {
  var res;
  try {
    res = args ? handler.apply(context, args) : handler.call(context);
    if (res && !res._isVue && isPromise(res) && !res._handled) {
      res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
      // issue #9511
      // avoid catch triggering multiple times when nested calls
      res._handled = true;
    }
  } catch (e) {
    handleError(e, vm, info);
  }
  return res
}

function globalHandleError (err, vm, info) {
  if (config.errorHandler) {
    try {
      return config.errorHandler.call(null, err, vm, info)
    } catch (e) {
      // if the user intentionally throws the original error in the handler,
      // do not log it twice
      if (e !== err) {
        logError(e, null, 'config.errorHandler');
      }
    }
  }
  logError(err, vm, info);
}

function logError (err, vm, info) {
  {
    warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm);
  }
  /* istanbul ignore else */
  if ((inBrowser || inWeex) && typeof console !== 'undefined') {
    console.error(err);
  } else {
    throw err
  }
}

/*  */

var isUsingMicroTask = false;

var callbacks = [];
var pending = false;

function flushCallbacks () {
  pending = false;
  var copies = callbacks.slice(0);
  callbacks.length = 0;
  for (var i = 0; i < copies.length; i++) {
    copies[i]();
  }
}

// Here we have async deferring wrappers using microtasks.
// In 2.5 we used (macro) tasks (in combination with microtasks).
// However, it has subtle problems when state is changed right before repaint
// (e.g. #6813, out-in transitions).
// Also, using (macro) tasks in event handler would cause some weird behaviors
// that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
// So we now use microtasks everywhere, again.
// A major drawback of this tradeoff is that there are some scenarios
// where microtasks have too high a priority and fire in between supposedly
// sequential events (e.g. #4521, #6690, which have workarounds)
// or even between bubbling of the same event (#6566).
var timerFunc;

// The nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore next, $flow-disable-line */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
  var p = Promise.resolve();
  timerFunc = function () {
    p.then(flushCallbacks);
    // In problematic UIWebViews, Promise.then doesn't completely break, but
    // it can get stuck in a weird state where callbacks are pushed into the
    // microtask queue but the queue isn't being flushed, until the browser
    // needs to do some other work, e.g. handle a timer. Therefore we can
    // "force" the microtask queue to be flushed by adding an empty timer.
    if (isIOS) { setTimeout(noop); }
  };
  isUsingMicroTask = true;
} else if (!isIE && typeof MutationObserver !== 'undefined' && (
  isNative(MutationObserver) ||
  // PhantomJS and iOS 7.x
  MutationObserver.toString() === '[object MutationObserverConstructor]'
)) {
  // Use MutationObserver where native Promise is not available,
  // e.g. PhantomJS, iOS7, Android 4.4
  // (#6466 MutationObserver is unreliable in IE11)
  var counter = 1;
  var observer = new MutationObserver(flushCallbacks);
  var textNode = document.createTextNode(String(counter));
  observer.observe(textNode, {
    characterData: true
  });
  timerFunc = function () {
    counter = (counter + 1) % 2;
    textNode.data = String(counter);
  };
  isUsingMicroTask = true;
} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
  // Fallback to setImmediate.
  // Technically it leverages the (macro) task queue,
  // but it is still a better choice than setTimeout.
  timerFunc = function () {
    setImmediate(flushCallbacks);
  };
} else {
  // Fallback to setTimeout.
  timerFunc = function () {
    setTimeout(flushCallbacks, 0);
  };
}

function nextTick (cb, ctx) {
  var _resolve;
  callbacks.push(function () {
    if (cb) {
      try {
        cb.call(ctx);
      } catch (e) {
        handleError(e, ctx, 'nextTick');
      }
    } else if (_resolve) {
      _resolve(ctx);
    }
  });
  if (!pending) {
    pending = true;
    timerFunc();
  }
  // $flow-disable-line
  if (!cb && typeof Promise !== 'undefined') {
    return new Promise(function (resolve) {
      _resolve = resolve;
    })
  }
}

/*  */

var mark;
var measure;

{
  var perf = inBrowser && window.performance;
  /* istanbul ignore if */
  if (
    perf &&
    perf.mark &&
    perf.measure &&
    perf.clearMarks &&
    perf.clearMeasures
  ) {
    mark = function (tag) { return perf.mark(tag); };
    measure = function (name, startTag, endTag) {
      perf.measure(name, startTag, endTag);
      perf.clearMarks(startTag);
      perf.clearMarks(endTag);
      // perf.clearMeasures(name)
    };
  }
}

/* not type checking this file because flow doesn't play well with Proxy */

var initProxy;

{
  var allowedGlobals = makeMap(
    'Infinity,undefined,NaN,isFinite,isNaN,' +
    'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
    'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +
    'require' // for Webpack/Browserify
  );

  var warnNonPresent = function (target, key) {
    warn(
      "Property or method \"" + key + "\" is not defined on the instance but " +
      'referenced during render. Make sure that this property is reactive, ' +
      'either in the data option, or for class-based components, by ' +
      'initializing the property. ' +
      'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
      target
    );
  };

  var warnReservedPrefix = function (target, key) {
    warn(
      "Property \"" + key + "\" must be accessed with \"$data." + key + "\" because " +
      'properties starting with "$" or "_" are not proxied in the Vue instance to ' +
      'prevent conflicts with Vue internals. ' +
      'See: https://vuejs.org/v2/api/#data',
      target
    );
  };

  var hasProxy =
    typeof Proxy !== 'undefined' && isNative(Proxy);

  if (hasProxy) {
    var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
    config.keyCodes = new Proxy(config.keyCodes, {
      set: function set (target, key, value) {
        if (isBuiltInModifier(key)) {
          warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key));
          return false
        } else {
          target[key] = value;
          return true
        }
      }
    });
  }

  var hasHandler = {
    has: function has (target, key) {
      var has = key in target;
      var isAllowed = allowedGlobals(key) ||
        (typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data));
      if (!has && !isAllowed) {
        if (key in target.$data) { warnReservedPrefix(target, key); }
        else { warnNonPresent(target, key); }
      }
      return has || !isAllowed
    }
  };

  var getHandler = {
    get: function get (target, key) {
      if (typeof key === 'string' && !(key in target)) {
        if (key in target.$data) { warnReservedPrefix(target, key); }
        else { warnNonPresent(target, key); }
      }
      return target[key]
    }
  };

  initProxy = function initProxy (vm) {
    if (hasProxy) {
      // determine which proxy handler to use
      var options = vm.$options;
      var handlers = options.render && options.render._withStripped
        ? getHandler
        : hasHandler;
      vm._renderProxy = new Proxy(vm, handlers);
    } else {
      vm._renderProxy = vm;
    }
  };
}

/*  */

var seenObjects = new _Set();

/**
 * Recursively traverse an object to evoke all converted
 * getters, so that every nested property inside the object
 * is collected as a "deep" dependency.
 */
function traverse (val) {
  _traverse(val, seenObjects);
  seenObjects.clear();
}

function _traverse (val, seen) {
  var i, keys;
  var isA = Array.isArray(val);
  if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
    return
  }
  if (val.__ob__) {
    var depId = val.__ob__.dep.id;
    if (seen.has(depId)) {
      return
    }
    seen.add(depId);
  }
  if (isA) {
    i = val.length;
    while (i--) { _traverse(val[i], seen); }
  } else {
    keys = Object.keys(val);
    i = keys.length;
    while (i--) { _traverse(val[keys[i]], seen); }
  }
}

/*  */

var normalizeEvent = cached(function (name) {
  var passive = name.charAt(0) === '&';
  name = passive ? name.slice(1) : name;
  var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
  name = once$$1 ? name.slice(1) : name;
  var capture = name.charAt(0) === '!';
  name = capture ? name.slice(1) : name;
  return {
    name: name,
    once: once$$1,
    capture: capture,
    passive: passive
  }
});

function createFnInvoker (fns, vm) {
  function invoker () {
    var arguments$1 = arguments;

    var fns = invoker.fns;
    if (Array.isArray(fns)) {
      var cloned = fns.slice();
      for (var i = 0; i < cloned.length; i++) {
        invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
      }
    } else {
      // return handler return value for single handlers
      return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler")
    }
  }
  invoker.fns = fns;
  return invoker
}

function updateListeners (
  on,
  oldOn,
  add,
  remove$$1,
  createOnceHandler,
  vm
) {
  var name, def$$1, cur, old, event;
  for (name in on) {
    def$$1 = cur = on[name];
    old = oldOn[name];
    event = normalizeEvent(name);
    if (isUndef(cur)) {
      warn(
        "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
        vm
      );
    } else if (isUndef(old)) {
      if (isUndef(cur.fns)) {
        cur = on[name] = createFnInvoker(cur, vm);
      }
      if (isTrue(event.once)) {
        cur = on[name] = createOnceHandler(event.name, cur, event.capture);
      }
      add(event.name, cur, event.capture, event.passive, event.params);
    } else if (cur !== old) {
      old.fns = cur;
      on[name] = old;
    }
  }
  for (name in oldOn) {
    if (isUndef(on[name])) {
      event = normalizeEvent(name);
      remove$$1(event.name, oldOn[name], event.capture);
    }
  }
}

/*  */

function mergeVNodeHook (def, hookKey, hook) {
  if (def instanceof VNode) {
    def = def.data.hook || (def.data.hook = {});
  }
  var invoker;
  var oldHook = def[hookKey];

  function wrappedHook () {
    hook.apply(this, arguments);
    // important: remove merged hook to ensure it's called only once
    // and prevent memory leak
    remove(invoker.fns, wrappedHook);
  }

  if (isUndef(oldHook)) {
    // no existing hook
    invoker = createFnInvoker([wrappedHook]);
  } else {
    /* istanbul ignore if */
    if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
      // already a merged invoker
      invoker = oldHook;
      invoker.fns.push(wrappedHook);
    } else {
      // existing plain hook
      invoker = createFnInvoker([oldHook, wrappedHook]);
    }
  }

  invoker.merged = true;
  def[hookKey] = invoker;
}

/*  */

function extractPropsFromVNodeData (
  data,
  Ctor,
  tag
) {
  // we are only extracting raw values here.
  // validation and default values are handled in the child
  // component itself.
  var propOptions = Ctor.options.props;
  if (isUndef(propOptions)) {
    return
  }
  var res = {};
  var attrs = data.attrs;
  var props = data.props;
  if (isDef(attrs) || isDef(props)) {
    for (var key in propOptions) {
      var altKey = hyphenate(key);
      {
        var keyInLowerCase = key.toLowerCase();
        if (
          key !== keyInLowerCase &&
          attrs && hasOwn(attrs, keyInLowerCase)
        ) {
          tip(
            "Prop \"" + keyInLowerCase + "\" is passed to component " +
            (formatComponentName(tag || Ctor)) + ", but the declared prop name is" +
            " \"" + key + "\". " +
            "Note that HTML attributes are case-insensitive and camelCased " +
            "props need to use their kebab-case equivalents when using in-DOM " +
            "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"."
          );
        }
      }
      checkProp(res, props, key, altKey, true) ||
      checkProp(res, attrs, key, altKey, false);
    }
  }
  return res
}

function checkProp (
  res,
  hash,
  key,
  altKey,
  preserve
) {
  if (isDef(hash)) {
    if (hasOwn(hash, key)) {
      res[key] = hash[key];
      if (!preserve) {
        delete hash[key];
      }
      return true
    } else if (hasOwn(hash, altKey)) {
      res[key] = hash[altKey];
      if (!preserve) {
        delete hash[altKey];
      }
      return true
    }
  }
  return false
}

/*  */

// The template compiler attempts to minimize the need for normalization by
// statically analyzing the template at compile time.
//
// For plain HTML markup, normalization can be completely skipped because the
// generated render function is guaranteed to return Array<VNode>. There are
// two cases where extra normalization is needed:

// 1. When the children contains components - because a functional component
// may return an Array instead of a single root. In this case, just a simple
// normalization is needed - if any child is an Array, we flatten the whole
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
// because functional components already normalize their own children.
function simpleNormalizeChildren (children) {
  for (var i = 0; i < children.length; i++) {
    if (Array.isArray(children[i])) {
      return Array.prototype.concat.apply([], children)
    }
  }
  return children
}

// 2. When the children contains constructs that always generated nested Arrays,
// e.g. <template>, <slot>, v-for, or when the children is provided by user
// with hand-written render functions / JSX. In such cases a full normalization
// is needed to cater to all possible types of children values.
function normalizeChildren (children) {
  return isPrimitive(children)
    ? [createTextVNode(children)]
    : Array.isArray(children)
      ? normalizeArrayChildren(children)
      : undefined
}

function isTextNode (node) {
  return isDef(node) && isDef(node.text) && isFalse(node.isComment)
}

function normalizeArrayChildren (children, nestedIndex) {
  var res = [];
  var i, c, lastIndex, last;
  for (i = 0; i < children.length; i++) {
    c = children[i];
    if (isUndef(c) || typeof c === 'boolean') { continue }
    lastIndex = res.length - 1;
    last = res[lastIndex];
    //  nested
    if (Array.isArray(c)) {
      if (c.length > 0) {
        c = normalizeArrayChildren(c, ((nestedIndex || '') + "_" + i));
        // merge adjacent text nodes
        if (isTextNode(c[0]) && isTextNode(last)) {
          res[lastIndex] = createTextVNode(last.text + (c[0]).text);
          c.shift();
        }
        res.push.apply(res, c);
      }
    } else if (isPrimitive(c)) {
      if (isTextNode(last)) {
        // merge adjacent text nodes
        // this is necessary for SSR hydration because text nodes are
        // essentially merged when rendered to HTML strings
        res[lastIndex] = createTextVNode(last.text + c);
      } else if (c !== '') {
        // convert primitive to vnode
        res.push(createTextVNode(c));
      }
    } else {
      if (isTextNode(c) && isTextNode(last)) {
        // merge adjacent text nodes
        res[lastIndex] = createTextVNode(last.text + c.text);
      } else {
        // default key for nested array children (likely generated by v-for)
        if (isTrue(children._isVList) &&
          isDef(c.tag) &&
          isUndef(c.key) &&
          isDef(nestedIndex)) {
          c.key = "__vlist" + nestedIndex + "_" + i + "__";
        }
        res.push(c);
      }
    }
  }
  return res
}

/*  */

function initProvide (vm) {
  var provide = vm.$options.provide;
  if (provide) {
    vm._provided = typeof provide === 'function'
      ? provide.call(vm)
      : provide;
  }
}

function initInjections (vm) {
  var result = resolveInject(vm.$options.inject, vm);
  if (result) {
    toggleObserving(false);
    Object.keys(result).forEach(function (key) {
      /* istanbul ignore else */
      {
        defineReactive$$1(vm, key, result[key], function () {
          warn(
            "Avoid mutating an injected value directly since the changes will be " +
            "overwritten whenever the provided component re-renders. " +
            "injection being mutated: \"" + key + "\"",
            vm
          );
        });
      }
    });
    toggleObserving(true);
  }
}

function resolveInject (inject, vm) {
  if (inject) {
    // inject is :any because flow is not smart enough to figure out cached
    var result = Object.create(null);
    var keys = hasSymbol
      ? Reflect.ownKeys(inject)
      : Object.keys(inject);

    for (var i = 0; i < keys.length; i++) {
      var key = keys[i];
      // #6574 in case the inject object is observed...
      if (key === '__ob__') { continue }
      var provideKey = inject[key].from;
      var source = vm;
      while (source) {
        if (source._provided && hasOwn(source._provided, provideKey)) {
          result[key] = source._provided[provideKey];
          break
        }
        source = source.$parent;
      }
      if (!source) {
        if ('default' in inject[key]) {
          var provideDefault = inject[key].default;
          result[key] = typeof provideDefault === 'function'
            ? provideDefault.call(vm)
            : provideDefault;
        } else {
          warn(("Injection \"" + key + "\" not found"), vm);
        }
      }
    }
    return result
  }
}

/*  */



/**
 * Runtime helper for resolving raw children VNodes into a slot object.
 */
function resolveSlots (
  children,
  context
) {
  if (!children || !children.length) {
    return {}
  }
  var slots = {};
  for (var i = 0, l = children.length; i < l; i++) {
    var child = children[i];
    var data = child.data;
    // remove slot attribute if the node is resolved as a Vue slot node
    if (data && data.attrs && data.attrs.slot) {
      delete data.attrs.slot;
    }
    // named slots should only be respected if the vnode was rendered in the
    // same context.
    if ((child.context === context || child.fnContext === context) &&
      data && data.slot != null
    ) {
      var name = data.slot;
      var slot = (slots[name] || (slots[name] = []));
      if (child.tag === 'template') {
        slot.push.apply(slot, child.children || []);
      } else {
        slot.push(child);
      }
    } else {
      (slots.default || (slots.default = [])).push(child);
    }
  }
  // ignore slots that contains only whitespace
  for (var name$1 in slots) {
    if (slots[name$1].every(isWhitespace)) {
      delete slots[name$1];
    }
  }
  return slots
}

function isWhitespace (node) {
  return (node.isComment && !node.asyncFactory) || node.text === ' '
}

/*  */

function normalizeScopedSlots (
  slots,
  normalSlots,
  prevSlots
) {
  var res;
  var hasNormalSlots = Object.keys(normalSlots).length > 0;
  var isStable = slots ? !!slots.$stable : !hasNormalSlots;
  var key = slots && slots.$key;
  if (!slots) {
    res = {};
  } else if (slots._normalized) {
    // fast path 1: child component re-render only, parent did not change
    return slots._normalized
  } else if (
    isStable &&
    prevSlots &&
    prevSlots !== emptyObject &&
    key === prevSlots.$key &&
    !hasNormalSlots &&
    !prevSlots.$hasNormal
  ) {
    // fast path 2: stable scoped slots w/ no normal slots to proxy,
    // only need to normalize once
    return prevSlots
  } else {
    res = {};
    for (var key$1 in slots) {
      if (slots[key$1] && key$1[0] !== '$') {
        res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);
      }
    }
  }
  // expose normal slots on scopedSlots
  for (var key$2 in normalSlots) {
    if (!(key$2 in res)) {
      res[key$2] = proxyNormalSlot(normalSlots, key$2);
    }
  }
  // avoriaz seems to mock a non-extensible $scopedSlots object
  // and when that is passed down this would cause an error
  if (slots && Object.isExtensible(slots)) {
    (slots)._normalized = res;
  }
  def(res, '$stable', isStable);
  def(res, '$key', key);
  def(res, '$hasNormal', hasNormalSlots);
  return res
}

function normalizeScopedSlot(normalSlots, key, fn) {
  var normalized = function () {
    var res = arguments.length ? fn.apply(null, arguments) : fn({});
    res = res && typeof res === 'object' && !Array.isArray(res)
      ? [res] // single vnode
      : normalizeChildren(res);
    return res && (
      res.length === 0 ||
      (res.length === 1 && res[0].isComment) // #9658
    ) ? undefined
      : res
  };
  // this is a slot using the new v-slot syntax without scope. although it is
  // compiled as a scoped slot, render fn users would expect it to be present
  // on this.$slots because the usage is semantically a normal slot.
  if (fn.proxy) {
    Object.defineProperty(normalSlots, key, {
      get: normalized,
      enumerable: true,
      configurable: true
    });
  }
  return normalized
}

function proxyNormalSlot(slots, key) {
  return function () { return slots[key]; }
}

/*  */

/**
 * Runtime helper for rendering v-for lists.
 */
function renderList (
  val,
  render
) {
  var ret, i, l, keys, key;
  if (Array.isArray(val) || typeof val === 'string') {
    ret = new Array(val.length);
    for (i = 0, l = val.length; i < l; i++) {
      ret[i] = render(val[i], i);
    }
  } else if (typeof val === 'number') {
    ret = new Array(val);
    for (i = 0; i < val; i++) {
      ret[i] = render(i + 1, i);
    }
  } else if (isObject(val)) {
    if (hasSymbol && val[Symbol.iterator]) {
      ret = [];
      var iterator = val[Symbol.iterator]();
      var result = iterator.next();
      while (!result.done) {
        ret.push(render(result.value, ret.length));
        result = iterator.next();
      }
    } else {
      keys = Object.keys(val);
      ret = new Array(keys.length);
      for (i = 0, l = keys.length; i < l; i++) {
        key = keys[i];
        ret[i] = render(val[key], key, i);
      }
    }
  }
  if (!isDef(ret)) {
    ret = [];
  }
  (ret)._isVList = true;
  return ret
}

/*  */

/**
 * Runtime helper for rendering <slot>
 */
function renderSlot (
  name,
  fallback,
  props,
  bindObject
) {
  var scopedSlotFn = this.$scopedSlots[name];
  var nodes;
  if (scopedSlotFn) { // scoped slot
    props = props || {};
    if (bindObject) {
      if (!isObject(bindObject)) {
        warn(
          'slot v-bind without argument expects an Object',
          this
        );
      }
      props = extend(extend({}, bindObject), props);
    }
    nodes = scopedSlotFn(props) || fallback;
  } else {
    nodes = this.$slots[name] || fallback;
  }

  var target = props && props.slot;
  if (target) {
    return this.$createElement('template', { slot: target }, nodes)
  } else {
    return nodes
  }
}

/*  */

/**
 * Runtime helper for resolving filters
 */
function resolveFilter (id) {
  return resolveAsset(this.$options, 'filters', id, true) || identity
}

/*  */

function isKeyNotMatch (expect, actual) {
  if (Array.isArray(expect)) {
    return expect.indexOf(actual) === -1
  } else {
    return expect !== actual
  }
}

/**
 * Runtime helper for checking keyCodes from config.
 * exposed as Vue.prototype._k
 * passing in eventKeyName as last argument separately for backwards compat
 */
function checkKeyCodes (
  eventKeyCode,
  key,
  builtInKeyCode,
  eventKeyName,
  builtInKeyName
) {
  var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
  if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
    return isKeyNotMatch(builtInKeyName, eventKeyName)
  } else if (mappedKeyCode) {
    return isKeyNotMatch(mappedKeyCode, eventKeyCode)
  } else if (eventKeyName) {
    return hyphenate(eventKeyName) !== key
  }
}

/*  */

/**
 * Runtime helper for merging v-bind="object" into a VNode's data.
 */
function bindObjectProps (
  data,
  tag,
  value,
  asProp,
  isSync
) {
  if (value) {
    if (!isObject(value)) {
      warn(
        'v-bind without argument expects an Object or Array value',
        this
      );
    } else {
      if (Array.isArray(value)) {
        value = toObject(value);
      }
      var hash;
      var loop = function ( key ) {
        if (
          key === 'class' ||
          key === 'style' ||
          isReservedAttribute(key)
        ) {
          hash = data;
        } else {
          var type = data.attrs && data.attrs.type;
          hash = asProp || config.mustUseProp(tag, type, key)
            ? data.domProps || (data.domProps = {})
            : data.attrs || (data.attrs = {});
        }
        var camelizedKey = camelize(key);
        var hyphenatedKey = hyphenate(key);
        if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
          hash[key] = value[key];

          if (isSync) {
            var on = data.on || (data.on = {});
            on[("update:" + key)] = function ($event) {
              value[key] = $event;
            };
          }
        }
      };

      for (var key in value) loop( key );
    }
  }
  return data
}

/*  */

/**
 * Runtime helper for rendering static trees.
 */
function renderStatic (
  index,
  isInFor
) {
  var cached = this._staticTrees || (this._staticTrees = []);
  var tree = cached[index];
  // if has already-rendered static tree and not inside v-for,
  // we can reuse the same tree.
  if (tree && !isInFor) {
    return tree
  }
  // otherwise, render a fresh tree.
  tree = cached[index] = this.$options.staticRenderFns[index].call(
    this._renderProxy,
    null,
    this // for render fns generated for functional component templates
  );
  markStatic(tree, ("__static__" + index), false);
  return tree
}

/**
 * Runtime helper for v-once.
 * Effectively it means marking the node as static with a unique key.
 */
function markOnce (
  tree,
  index,
  key
) {
  markStatic(tree, ("__once__" + index + (key ? ("_" + key) : "")), true);
  return tree
}

function markStatic (
  tree,
  key,
  isOnce
) {
  if (Array.isArray(tree)) {
    for (var i = 0; i < tree.length; i++) {
      if (tree[i] && typeof tree[i] !== 'string') {
        markStaticNode(tree[i], (key + "_" + i), isOnce);
      }
    }
  } else {
    markStaticNode(tree, key, isOnce);
  }
}

function markStaticNode (node, key, isOnce) {
  node.isStatic = true;
  node.key = key;
  node.isOnce = isOnce;
}

/*  */

function bindObjectListeners (data, value) {
  if (value) {
    if (!isPlainObject(value)) {
      warn(
        'v-on without argument expects an Object value',
        this
      );
    } else {
      var on = data.on = data.on ? extend({}, data.on) : {};
      for (var key in value) {
        var existing = on[key];
        var ours = value[key];
        on[key] = existing ? [].concat(existing, ours) : ours;
      }
    }
  }
  return data
}

/*  */

function resolveScopedSlots (
  fns, // see flow/vnode
  res,
  // the following are added in 2.6
  hasDynamicKeys,
  contentHashKey
) {
  res = res || { $stable: !hasDynamicKeys };
  for (var i = 0; i < fns.length; i++) {
    var slot = fns[i];
    if (Array.isArray(slot)) {
      resolveScopedSlots(slot, res, hasDynamicKeys);
    } else if (slot) {
      // marker for reverse proxying v-slot without scope on this.$slots
      if (slot.proxy) {
        slot.fn.proxy = true;
      }
      res[slot.key] = slot.fn;
    }
  }
  if (contentHashKey) {
    (res).$key = contentHashKey;
  }
  return res
}

/*  */

function bindDynamicKeys (baseObj, values) {
  for (var i = 0; i < values.length; i += 2) {
    var key = values[i];
    if (typeof key === 'string' && key) {
      baseObj[values[i]] = values[i + 1];
    } else if (key !== '' && key !== null) {
      // null is a special value for explicitly removing a binding
      warn(
        ("Invalid value for dynamic directive argument (expected string or null): " + key),
        this
      );
    }
  }
  return baseObj
}

// helper to dynamically append modifier runtime markers to event names.
// ensure only append when value is already string, otherwise it will be cast
// to string and cause the type check to miss.
function prependModifier (value, symbol) {
  return typeof value === 'string' ? symbol + value : value
}

/*  */

function installRenderHelpers (target) {
  target._o = markOnce;
  target._n = toNumber;
  target._s = toString;
  target._l = renderList;
  target._t = renderSlot;
  target._q = looseEqual;
  target._i = looseIndexOf;
  target._m = renderStatic;
  target._f = resolveFilter;
  target._k = checkKeyCodes;
  target._b = bindObjectProps;
  target._v = createTextVNode;
  target._e = createEmptyVNode;
  target._u = resolveScopedSlots;
  target._g = bindObjectListeners;
  target._d = bindDynamicKeys;
  target._p = prependModifier;
}

/*  */

function FunctionalRenderContext (
  data,
  props,
  children,
  parent,
  Ctor
) {
  var this$1 = this;

  var options = Ctor.options;
  // ensure the createElement function in functional components
  // gets a unique context - this is necessary for correct named slot check
  var contextVm;
  if (hasOwn(parent, '_uid')) {
    contextVm = Object.create(parent);
    // $flow-disable-line
    contextVm._original = parent;
  } else {
    // the context vm passed in is a functional context as well.
    // in this case we want to make sure we are able to get a hold to the
    // real context instance.
    contextVm = parent;
    // $flow-disable-line
    parent = parent._original;
  }
  var isCompiled = isTrue(options._compiled);
  var needNormalization = !isCompiled;

  this.data = data;
  this.props = props;
  this.children = children;
  this.parent = parent;
  this.listeners = data.on || emptyObject;
  this.injections = resolveInject(options.inject, parent);
  this.slots = function () {
    if (!this$1.$slots) {
      normalizeScopedSlots(
        data.scopedSlots,
        this$1.$slots = resolveSlots(children, parent)
      );
    }
    return this$1.$slots
  };

  Object.defineProperty(this, 'scopedSlots', ({
    enumerable: true,
    get: function get () {
      return normalizeScopedSlots(data.scopedSlots, this.slots())
    }
  }));

  // support for compiled functional template
  if (isCompiled) {
    // exposing $options for renderStatic()
    this.$options = options;
    // pre-resolve slots for renderSlot()
    this.$slots = this.slots();
    this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
  }

  if (options._scopeId) {
    this._c = function (a, b, c, d) {
      var vnode = createElement(contextVm, a, b, c, d, needNormalization);
      if (vnode && !Array.isArray(vnode)) {
        vnode.fnScopeId = options._scopeId;
        vnode.fnContext = parent;
      }
      return vnode
    };
  } else {
    this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };
  }
}

installRenderHelpers(FunctionalRenderContext.prototype);

function createFunctionalComponent (
  Ctor,
  propsData,
  data,
  contextVm,
  children
) {
  var options = Ctor.options;
  var props = {};
  var propOptions = options.props;
  if (isDef(propOptions)) {
    for (var key in propOptions) {
      props[key] = validateProp(key, propOptions, propsData || emptyObject);
    }
  } else {
    if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
    if (isDef(data.props)) { mergeProps(props, data.props); }
  }

  var renderContext = new FunctionalRenderContext(
    data,
    props,
    children,
    contextVm,
    Ctor
  );

  var vnode = options.render.call(null, renderContext._c, renderContext);

  if (vnode instanceof VNode) {
    return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)
  } else if (Array.isArray(vnode)) {
    var vnodes = normalizeChildren(vnode) || [];
    var res = new Array(vnodes.length);
    for (var i = 0; i < vnodes.length; i++) {
      res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
    }
    return res
  }
}

function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
  // #7817 clone node before setting fnContext, otherwise if the node is reused
  // (e.g. it was from a cached normal slot) the fnContext causes named slots
  // that should not be matched to match.
  var clone = cloneVNode(vnode);
  clone.fnContext = contextVm;
  clone.fnOptions = options;
  {
    (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
  }
  if (data.slot) {
    (clone.data || (clone.data = {})).slot = data.slot;
  }
  return clone
}

function mergeProps (to, from) {
  for (var key in from) {
    to[camelize(key)] = from[key];
  }
}

/*  */

/*  */

/*  */

/*  */

// inline hooks to be invoked on component VNodes during patch
var componentVNodeHooks = {
  init: function init (vnode, hydrating) {
    if (
      vnode.componentInstance &&
      !vnode.componentInstance._isDestroyed &&
      vnode.data.keepAlive
    ) {
      // kept-alive components, treat as a patch
      var mountedNode = vnode; // work around flow
      componentVNodeHooks.prepatch(mountedNode, mountedNode);
    } else {
      var child = vnode.componentInstance = createComponentInstanceForVnode(
        vnode,
        activeInstance
      );
      child.$mount(hydrating ? vnode.elm : undefined, hydrating);
    }
  },

  prepatch: function prepatch (oldVnode, vnode) {
    var options = vnode.componentOptions;
    var child = vnode.componentInstance = oldVnode.componentInstance;
    updateChildComponent(
      child,
      options.propsData, // updated props
      options.listeners, // updated listeners
      vnode, // new parent vnode
      options.children // new children
    );
  },

  insert: function insert (vnode) {
    var context = vnode.context;
    var componentInstance = vnode.componentInstance;
    if (!componentInstance._isMounted) {
      componentInstance._isMounted = true;
      callHook(componentInstance, 'mounted');
    }
    if (vnode.data.keepAlive) {
      if (context._isMounted) {
        // vue-router#1212
        // During updates, a kept-alive component's child components may
        // change, so directly walking the tree here may call activated hooks
        // on incorrect children. Instead we push them into a queue which will
        // be processed after the whole patch process ended.
        queueActivatedComponent(componentInstance);
      } else {
        activateChildComponent(componentInstance, true /* direct */);
      }
    }
  },

  destroy: function destroy (vnode) {
    var componentInstance = vnode.componentInstance;
    if (!componentInstance._isDestroyed) {
      if (!vnode.data.keepAlive) {
        componentInstance.$destroy();
      } else {
        deactivateChildComponent(componentInstance, true /* direct */);
      }
    }
  }
};

var hooksToMerge = Object.keys(componentVNodeHooks);

function createComponent (
  Ctor,
  data,
  context,
  children,
  tag
) {
  if (isUndef(Ctor)) {
    return
  }

  var baseCtor = context.$options._base;

  // plain options object: turn it into a constructor
  if (isObject(Ctor)) {
    Ctor = baseCtor.extend(Ctor);
  }

  // if at this stage it's not a constructor or an async component factory,
  // reject.
  if (typeof Ctor !== 'function') {
    {
      warn(("Invalid Component definition: " + (String(Ctor))), context);
    }
    return
  }

  // async component
  var asyncFactory;
  if (isUndef(Ctor.cid)) {
    asyncFactory = Ctor;
    Ctor = resolveAsyncComponent(asyncFactory, baseCtor);
    if (Ctor === undefined) {
      // return a placeholder node for async component, which is rendered
      // as a comment node but preserves all the raw information for the node.
      // the information will be used for async server-rendering and hydration.
      return createAsyncPlaceholder(
        asyncFactory,
        data,
        context,
        children,
        tag
      )
    }
  }

  data = data || {};

  // resolve constructor options in case global mixins are applied after
  // component constructor creation
  resolveConstructorOptions(Ctor);

  // transform component v-model data into props & events
  if (isDef(data.model)) {
    transformModel(Ctor.options, data);
  }

  // extract props
  var propsData = extractPropsFromVNodeData(data, Ctor, tag);

  // functional component
  if (isTrue(Ctor.options.functional)) {
    return createFunctionalComponent(Ctor, propsData, data, context, children)
  }

  // extract listeners, since these needs to be treated as
  // child component listeners instead of DOM listeners
  var listeners = data.on;
  // replace with listeners with .native modifier
  // so it gets processed during parent component patch.
  data.on = data.nativeOn;

  if (isTrue(Ctor.options.abstract)) {
    // abstract components do not keep anything
    // other than props & listeners & slot

    // work around flow
    var slot = data.slot;
    data = {};
    if (slot) {
      data.slot = slot;
    }
  }

  // install component management hooks onto the placeholder node
  installComponentHooks(data);

  // return a placeholder vnode
  var name = Ctor.options.name || tag;
  var vnode = new VNode(
    ("vue-component-" + (Ctor.cid) + (name ? ("-" + name) : '')),
    data, undefined, undefined, undefined, context,
    { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
    asyncFactory
  );

  return vnode
}

function createComponentInstanceForVnode (
  vnode, // we know it's MountedComponentVNode but flow doesn't
  parent // activeInstance in lifecycle state
) {
  var options = {
    _isComponent: true,
    _parentVnode: vnode,
    parent: parent
  };
  // check inline-template render functions
  var inlineTemplate = vnode.data.inlineTemplate;
  if (isDef(inlineTemplate)) {
    options.render = inlineTemplate.render;
    options.staticRenderFns = inlineTemplate.staticRenderFns;
  }
  return new vnode.componentOptions.Ctor(options)
}

function installComponentHooks (data) {
  var hooks = data.hook || (data.hook = {});
  for (var i = 0; i < hooksToMerge.length; i++) {
    var key = hooksToMerge[i];
    var existing = hooks[key];
    var toMerge = componentVNodeHooks[key];
    if (existing !== toMerge && !(existing && existing._merged)) {
      hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
    }
  }
}

function mergeHook$1 (f1, f2) {
  var merged = function (a, b) {
    // flow complains about extra args which is why we use any
    f1(a, b);
    f2(a, b);
  };
  merged._merged = true;
  return merged
}

// transform component v-model info (value and callback) into
// prop and event handler respectively.
function transformModel (options, data) {
  var prop = (options.model && options.model.prop) || 'value';
  var event = (options.model && options.model.event) || 'input'
  ;(data.attrs || (data.attrs = {}))[prop] = data.model.value;
  var on = data.on || (data.on = {});
  var existing = on[event];
  var callback = data.model.callback;
  if (isDef(existing)) {
    if (
      Array.isArray(existing)
        ? existing.indexOf(callback) === -1
        : existing !== callback
    ) {
      on[event] = [callback].concat(existing);
    }
  } else {
    on[event] = callback;
  }
}

/*  */

var SIMPLE_NORMALIZE = 1;
var ALWAYS_NORMALIZE = 2;

// wrapper function for providing a more flexible interface
// without getting yelled at by flow
function createElement (
  context,
  tag,
  data,
  children,
  normalizationType,
  alwaysNormalize
) {
  if (Array.isArray(data) || isPrimitive(data)) {
    normalizationType = children;
    children = data;
    data = undefined;
  }
  if (isTrue(alwaysNormalize)) {
    normalizationType = ALWAYS_NORMALIZE;
  }
  return _createElement(context, tag, data, children, normalizationType)
}

function _createElement (
  context,
  tag,
  data,
  children,
  normalizationType
) {
  if (isDef(data) && isDef((data).__ob__)) {
    warn(
      "Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
      'Always create fresh vnode data objects in each render!',
      context
    );
    return createEmptyVNode()
  }
  // object syntax in v-bind
  if (isDef(data) && isDef(data.is)) {
    tag = data.is;
  }
  if (!tag) {
    // in case of component :is set to falsy value
    return createEmptyVNode()
  }
  // warn against non-primitive key
  if (isDef(data) && isDef(data.key) && !isPrimitive(data.key)
  ) {
    {
      warn(
        'Avoid using non-primitive value as key, ' +
        'use string/number value instead.',
        context
      );
    }
  }
  // support single function children as default scoped slot
  if (Array.isArray(children) &&
    typeof children[0] === 'function'
  ) {
    data = data || {};
    data.scopedSlots = { default: children[0] };
    children.length = 0;
  }
  if (normalizationType === ALWAYS_NORMALIZE) {
    children = normalizeChildren(children);
  } else if (normalizationType === SIMPLE_NORMALIZE) {
    children = simpleNormalizeChildren(children);
  }
  var vnode, ns;
  if (typeof tag === 'string') {
    var Ctor;
    ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
    if (config.isReservedTag(tag)) {
      // platform built-in elements
      if (isDef(data) && isDef(data.nativeOn)) {
        warn(
          ("The .native modifier for v-on is only valid on components but it was used on <" + tag + ">."),
          context
        );
      }
      vnode = new VNode(
        config.parsePlatformTagName(tag), data, children,
        undefined, undefined, context
      );
    } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
      // component
      vnode = createComponent(Ctor, data, context, children, tag);
    } else {
      // unknown or unlisted namespaced elements
      // check at runtime because it may get assigned a namespace when its
      // parent normalizes children
      vnode = new VNode(
        tag, data, children,
        undefined, undefined, context
      );
    }
  } else {
    // direct component options / constructor
    vnode = createComponent(tag, data, context, children);
  }
  if (Array.isArray(vnode)) {
    return vnode
  } else if (isDef(vnode)) {
    if (isDef(ns)) { applyNS(vnode, ns); }
    if (isDef(data)) { registerDeepBindings(data); }
    return vnode
  } else {
    return createEmptyVNode()
  }
}

function applyNS (vnode, ns, force) {
  vnode.ns = ns;
  if (vnode.tag === 'foreignObject') {
    // use default namespace inside foreignObject
    ns = undefined;
    force = true;
  }
  if (isDef(vnode.children)) {
    for (var i = 0, l = vnode.children.length; i < l; i++) {
      var child = vnode.children[i];
      if (isDef(child.tag) && (
        isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
        applyNS(child, ns, force);
      }
    }
  }
}

// ref #5318
// necessary to ensure parent re-render when deep bindings like :style and
// :class are used on slot nodes
function registerDeepBindings (data) {
  if (isObject(data.style)) {
    traverse(data.style);
  }
  if (isObject(data.class)) {
    traverse(data.class);
  }
}

/*  */

function initRender (vm) {
  vm._vnode = null; // the root of the child tree
  vm._staticTrees = null; // v-once cached trees
  var options = vm.$options;
  var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree
  var renderContext = parentVnode && parentVnode.context;
  vm.$slots = resolveSlots(options._renderChildren, renderContext);
  vm.$scopedSlots = emptyObject;
  // bind the createElement fn to this instance
  // so that we get proper render context inside it.
  // args order: tag, data, children, normalizationType, alwaysNormalize
  // internal version is used by render functions compiled from templates
  vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };
  // normalization is always applied for the public version, used in
  // user-written render functions.
  vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };

  // $attrs & $listeners are exposed for easier HOC creation.
  // they need to be reactive so that HOCs using them are always updated
  var parentData = parentVnode && parentVnode.data;

  /* istanbul ignore else */
  {
    defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {
      !isUpdatingChildComponent && warn("$attrs is readonly.", vm);
    }, true);
    defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {
      !isUpdatingChildComponent && warn("$listeners is readonly.", vm);
    }, true);
  }
}

var currentRenderingInstance = null;

function renderMixin (Vue) {
  // install runtime convenience helpers
  installRenderHelpers(Vue.prototype);

  Vue.prototype.$nextTick = function (fn) {
    return nextTick(fn, this)
  };

  Vue.prototype._render = function () {
    var vm = this;
    var ref = vm.$options;
    var render = ref.render;
    var _parentVnode = ref._parentVnode;

    if (_parentVnode) {
      vm.$scopedSlots = normalizeScopedSlots(
        _parentVnode.data.scopedSlots,
        vm.$slots,
        vm.$scopedSlots
      );
    }

    // set parent vnode. this allows render functions to have access
    // to the data on the placeholder node.
    vm.$vnode = _parentVnode;
    // render self
    var vnode;
    try {
      // There's no need to maintain a stack because all render fns are called
      // separately from one another. Nested component's render fns are called
      // when parent component is patched.
      currentRenderingInstance = vm;
      vnode = render.call(vm._renderProxy, vm.$createElement);
    } catch (e) {
      handleError(e, vm, "render");
      // return error render result,
      // or previous vnode to prevent render error causing blank component
      /* istanbul ignore else */
      if (vm.$options.renderError) {
        try {
          vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
        } catch (e) {
          handleError(e, vm, "renderError");
          vnode = vm._vnode;
        }
      } else {
        vnode = vm._vnode;
      }
    } finally {
      currentRenderingInstance = null;
    }
    // if the returned array contains only a single node, allow it
    if (Array.isArray(vnode) && vnode.length === 1) {
      vnode = vnode[0];
    }
    // return empty vnode in case the render function errored out
    if (!(vnode instanceof VNode)) {
      if (Array.isArray(vnode)) {
        warn(
          'Multiple root nodes returned from render function. Render function ' +
          'should return a single root node.',
          vm
        );
      }
      vnode = createEmptyVNode();
    }
    // set parent
    vnode.parent = _parentVnode;
    return vnode
  };
}

/*  */

function ensureCtor (comp, base) {
  if (
    comp.__esModule ||
    (hasSymbol && comp[Symbol.toStringTag] === 'Module')
  ) {
    comp = comp.default;
  }
  return isObject(comp)
    ? base.extend(comp)
    : comp
}

function createAsyncPlaceholder (
  factory,
  data,
  context,
  children,
  tag
) {
  var node = createEmptyVNode();
  node.asyncFactory = factory;
  node.asyncMeta = { data: data, context: context, children: children, tag: tag };
  return node
}

function resolveAsyncComponent (
  factory,
  baseCtor
) {
  if (isTrue(factory.error) && isDef(factory.errorComp)) {
    return factory.errorComp
  }

  if (isDef(factory.resolved)) {
    return factory.resolved
  }

  var owner = currentRenderingInstance;
  if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
    // already pending
    factory.owners.push(owner);
  }

  if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
    return factory.loadingComp
  }

  if (owner && !isDef(factory.owners)) {
    var owners = factory.owners = [owner];
    var sync = true;
    var timerLoading = null;
    var timerTimeout = null

    ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });

    var forceRender = function (renderCompleted) {
      for (var i = 0, l = owners.length; i < l; i++) {
        (owners[i]).$forceUpdate();
      }

      if (renderCompleted) {
        owners.length = 0;
        if (timerLoading !== null) {
          clearTimeout(timerLoading);
          timerLoading = null;
        }
        if (timerTimeout !== null) {
          clearTimeout(timerTimeout);
          timerTimeout = null;
        }
      }
    };

    var resolve = once(function (res) {
      // cache resolved
      factory.resolved = ensureCtor(res, baseCtor);
      // invoke callbacks only if this is not a synchronous resolve
      // (async resolves are shimmed as synchronous during SSR)
      if (!sync) {
        forceRender(true);
      } else {
        owners.length = 0;
      }
    });

    var reject = once(function (reason) {
      warn(
        "Failed to resolve async component: " + (String(factory)) +
        (reason ? ("\nReason: " + reason) : '')
      );
      if (isDef(factory.errorComp)) {
        factory.error = true;
        forceRender(true);
      }
    });

    var res = factory(resolve, reject);

    if (isObject(res)) {
      if (isPromise(res)) {
        // () => Promise
        if (isUndef(factory.resolved)) {
          res.then(resolve, reject);
        }
      } else if (isPromise(res.component)) {
        res.component.then(resolve, reject);

        if (isDef(res.error)) {
          factory.errorComp = ensureCtor(res.error, baseCtor);
        }

        if (isDef(res.loading)) {
          factory.loadingComp = ensureCtor(res.loading, baseCtor);
          if (res.delay === 0) {
            factory.loading = true;
          } else {
            timerLoading = setTimeout(function () {
              timerLoading = null;
              if (isUndef(factory.resolved) && isUndef(factory.error)) {
                factory.loading = true;
                forceRender(false);
              }
            }, res.delay || 200);
          }
        }

        if (isDef(res.timeout)) {
          timerTimeout = setTimeout(function () {
            timerTimeout = null;
            if (isUndef(factory.resolved)) {
              reject(
                "timeout (" + (res.timeout) + "ms)"
              );
            }
          }, res.timeout);
        }
      }
    }

    sync = false;
    // return in case resolved synchronously
    return factory.loading
      ? factory.loadingComp
      : factory.resolved
  }
}

/*  */

function isAsyncPlaceholder (node) {
  return node.isComment && node.asyncFactory
}

/*  */

function getFirstComponentChild (children) {
  if (Array.isArray(children)) {
    for (var i = 0; i < children.length; i++) {
      var c = children[i];
      if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
        return c
      }
    }
  }
}

/*  */

/*  */

function initEvents (vm) {
  vm._events = Object.create(null);
  vm._hasHookEvent = false;
  // init parent attached events
  var listeners = vm.$options._parentListeners;
  if (listeners) {
    updateComponentListeners(vm, listeners);
  }
}

var target;

function add (event, fn) {
  target.$on(event, fn);
}

function remove$1 (event, fn) {
  target.$off(event, fn);
}

function createOnceHandler (event, fn) {
  var _target = target;
  return function onceHandler () {
    var res = fn.apply(null, arguments);
    if (res !== null) {
      _target.$off(event, onceHandler);
    }
  }
}

function updateComponentListeners (
  vm,
  listeners,
  oldListeners
) {
  target = vm;
  updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
  target = undefined;
}

function eventsMixin (Vue) {
  var hookRE = /^hook:/;
  Vue.prototype.$on = function (event, fn) {
    var vm = this;
    if (Array.isArray(event)) {
      for (var i = 0, l = event.length; i < l; i++) {
        vm.$on(event[i], fn);
      }
    } else {
      (vm._events[event] || (vm._events[event] = [])).push(fn);
      // optimize hook:event cost by using a boolean flag marked at registration
      // instead of a hash lookup
      if (hookRE.test(event)) {
        vm._hasHookEvent = true;
      }
    }
    return vm
  };

  Vue.prototype.$once = function (event, fn) {
    var vm = this;
    function on () {
      vm.$off(event, on);
      fn.apply(vm, arguments);
    }
    on.fn = fn;
    vm.$on(event, on);
    return vm
  };

  Vue.prototype.$off = function (event, fn) {
    var vm = this;
    // all
    if (!arguments.length) {
      vm._events = Object.create(null);
      return vm
    }
    // array of events
    if (Array.isArray(event)) {
      for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {
        vm.$off(event[i$1], fn);
      }
      return vm
    }
    // specific event
    var cbs = vm._events[event];
    if (!cbs) {
      return vm
    }
    if (!fn) {
      vm._events[event] = null;
      return vm
    }
    // specific handler
    var cb;
    var i = cbs.length;
    while (i--) {
      cb = cbs[i];
      if (cb === fn || cb.fn === fn) {
        cbs.splice(i, 1);
        break
      }
    }
    return vm
  };

  Vue.prototype.$emit = function (event) {
    var vm = this;
    {
      var lowerCaseEvent = event.toLowerCase();
      if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
        tip(
          "Event \"" + lowerCaseEvent + "\" is emitted in component " +
          (formatComponentName(vm)) + " but the handler is registered for \"" + event + "\". " +
          "Note that HTML attributes are case-insensitive and you cannot use " +
          "v-on to listen to camelCase events when using in-DOM templates. " +
          "You should probably use \"" + (hyphenate(event)) + "\" instead of \"" + event + "\"."
        );
      }
    }
    var cbs = vm._events[event];
    if (cbs) {
      cbs = cbs.length > 1 ? toArray(cbs) : cbs;
      var args = toArray(arguments, 1);
      var info = "event handler for \"" + event + "\"";
      for (var i = 0, l = cbs.length; i < l; i++) {
        invokeWithErrorHandling(cbs[i], vm, args, vm, info);
      }
    }
    return vm
  };
}

/*  */

var activeInstance = null;
var isUpdatingChildComponent = false;

function setActiveInstance(vm) {
  var prevActiveInstance = activeInstance;
  activeInstance = vm;
  return function () {
    activeInstance = prevActiveInstance;
  }
}

function initLifecycle (vm) {
  var options = vm.$options;

  // locate first non-abstract parent
  var parent = options.parent;
  if (parent && !options.abstract) {
    while (parent.$options.abstract && parent.$parent) {
      parent = parent.$parent;
    }
    parent.$children.push(vm);
  }

  vm.$parent = parent;
  vm.$root = parent ? parent.$root : vm;

  vm.$children = [];
  vm.$refs = {};

  vm._watcher = null;
  vm._inactive = null;
  vm._directInactive = false;
  vm._isMounted = false;
  vm._isDestroyed = false;
  vm._isBeingDestroyed = false;
}

function lifecycleMixin (Vue) {
  Vue.prototype._update = function (vnode, hydrating) {
    var vm = this;
    var prevEl = vm.$el;
    var prevVnode = vm._vnode;
    var restoreActiveInstance = setActiveInstance(vm);
    vm._vnode = vnode;
    // Vue.prototype.__patch__ is injected in entry points
    // based on the rendering backend used.
    if (!prevVnode) {
      // initial render
      vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);
    } else {
      // updates
      vm.$el = vm.__patch__(prevVnode, vnode);
    }
    restoreActiveInstance();
    // update __vue__ reference
    if (prevEl) {
      prevEl.__vue__ = null;
    }
    if (vm.$el) {
      vm.$el.__vue__ = vm;
    }
    // if parent is an HOC, update its $el as well
    if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
      vm.$parent.$el = vm.$el;
    }
    // updated hook is called by the scheduler to ensure that children are
    // updated in a parent's updated hook.
  };

  Vue.prototype.$forceUpdate = function () {
    var vm = this;
    if (vm._watcher) {
      vm._watcher.update();
    }
  };

  Vue.prototype.$destroy = function () {
    var vm = this;
    if (vm._isBeingDestroyed) {
      return
    }
    callHook(vm, 'beforeDestroy');
    vm._isBeingDestroyed = true;
    // remove self from parent
    var parent = vm.$parent;
    if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
      remove(parent.$children, vm);
    }
    // teardown watchers
    if (vm._watcher) {
      vm._watcher.teardown();
    }
    var i = vm._watchers.length;
    while (i--) {
      vm._watchers[i].teardown();
    }
    // remove reference from data ob
    // frozen object may not have observer.
    if (vm._data.__ob__) {
      vm._data.__ob__.vmCount--;
    }
    // call the last hook...
    vm._isDestroyed = true;
    // invoke destroy hooks on current rendered tree
    vm.__patch__(vm._vnode, null);
    // fire destroyed hook
    callHook(vm, 'destroyed');
    // turn off all instance listeners.
    vm.$off();
    // remove __vue__ reference
    if (vm.$el) {
      vm.$el.__vue__ = null;
    }
    // release circular reference (#6759)
    if (vm.$vnode) {
      vm.$vnode.parent = null;
    }
  };
}

function mountComponent (
  vm,
  el,
  hydrating
) {
  vm.$el = el;
  if (!vm.$options.render) {
    vm.$options.render = createEmptyVNode;
    {
      /* istanbul ignore if */
      if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||
        vm.$options.el || el) {
        warn(
          'You are using the runtime-only build of Vue where the template ' +
          'compiler is not available. Either pre-compile the templates into ' +
          'render functions, or use the compiler-included build.',
          vm
        );
      } else {
        warn(
          'Failed to mount component: template or render function not defined.',
          vm
        );
      }
    }
  }
  callHook(vm, 'beforeMount');

  var updateComponent;
  /* istanbul ignore if */
  if (config.performance && mark) {
    updateComponent = function () {
      var name = vm._name;
      var id = vm._uid;
      var startTag = "vue-perf-start:" + id;
      var endTag = "vue-perf-end:" + id;

      mark(startTag);
      var vnode = vm._render();
      mark(endTag);
      measure(("vue " + name + " render"), startTag, endTag);

      mark(startTag);
      vm._update(vnode, hydrating);
      mark(endTag);
      measure(("vue " + name + " patch"), startTag, endTag);
    };
  } else {
    updateComponent = function () {
      vm._update(vm._render(), hydrating);
    };
  }

  // we set this to vm._watcher inside the watcher's constructor
  // since the watcher's initial patch may call $forceUpdate (e.g. inside child
  // component's mounted hook), which relies on vm._watcher being already defined
  new Watcher(vm, updateComponent, noop, {
    before: function before () {
      if (vm._isMounted && !vm._isDestroyed) {
        callHook(vm, 'beforeUpdate');
      }
    }
  }, true /* isRenderWatcher */);
  hydrating = false;

  // manually mounted instance, call mounted on self
  // mounted is called for render-created child components in its inserted hook
  if (vm.$vnode == null) {
    vm._isMounted = true;
    callHook(vm, 'mounted');
  }
  return vm
}

function updateChildComponent (
  vm,
  propsData,
  listeners,
  parentVnode,
  renderChildren
) {
  {
    isUpdatingChildComponent = true;
  }

  // determine whether component has slot children
  // we need to do this before overwriting $options._renderChildren.

  // check if there are dynamic scopedSlots (hand-written or compiled but with
  // dynamic slot names). Static scoped slots compiled from template has the
  // "$stable" marker.
  var newScopedSlots = parentVnode.data.scopedSlots;
  var oldScopedSlots = vm.$scopedSlots;
  var hasDynamicScopedSlot = !!(
    (newScopedSlots && !newScopedSlots.$stable) ||
    (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
    (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key)
  );

  // Any static slot children from the parent may have changed during parent's
  // update. Dynamic scoped slots may also have changed. In such cases, a forced
  // update is necessary to ensure correctness.
  var needsForceUpdate = !!(
    renderChildren ||               // has new static slots
    vm.$options._renderChildren ||  // has old static slots
    hasDynamicScopedSlot
  );

  vm.$options._parentVnode = parentVnode;
  vm.$vnode = parentVnode; // update vm's placeholder node without re-render

  if (vm._vnode) { // update child tree's parent
    vm._vnode.parent = parentVnode;
  }
  vm.$options._renderChildren = renderChildren;

  // update $attrs and $listeners hash
  // these are also reactive so they may trigger child update if the child
  // used them during render
  vm.$attrs = parentVnode.data.attrs || emptyObject;
  vm.$listeners = listeners || emptyObject;

  // update props
  if (propsData && vm.$options.props) {
    toggleObserving(false);
    var props = vm._props;
    var propKeys = vm.$options._propKeys || [];
    for (var i = 0; i < propKeys.length; i++) {
      var key = propKeys[i];
      var propOptions = vm.$options.props; // wtf flow?
      props[key] = validateProp(key, propOptions, propsData, vm);
    }
    toggleObserving(true);
    // keep a copy of raw propsData
    vm.$options.propsData = propsData;
  }

  // update listeners
  listeners = listeners || emptyObject;
  var oldListeners = vm.$options._parentListeners;
  vm.$options._parentListeners = listeners;
  updateComponentListeners(vm, listeners, oldListeners);

  // resolve slots + force update if has children
  if (needsForceUpdate) {
    vm.$slots = resolveSlots(renderChildren, parentVnode.context);
    vm.$forceUpdate();
  }

  {
    isUpdatingChildComponent = false;
  }
}

function isInInactiveTree (vm) {
  while (vm && (vm = vm.$parent)) {
    if (vm._inactive) { return true }
  }
  return false
}

function activateChildComponent (vm, direct) {
  if (direct) {
    vm._directInactive = false;
    if (isInInactiveTree(vm)) {
      return
    }
  } else if (vm._directInactive) {
    return
  }
  if (vm._inactive || vm._inactive === null) {
    vm._inactive = false;
    for (var i = 0; i < vm.$children.length; i++) {
      activateChildComponent(vm.$children[i]);
    }
    callHook(vm, 'activated');
  }
}

function deactivateChildComponent (vm, direct) {
  if (direct) {
    vm._directInactive = true;
    if (isInInactiveTree(vm)) {
      return
    }
  }
  if (!vm._inactive) {
    vm._inactive = true;
    for (var i = 0; i < vm.$children.length; i++) {
      deactivateChildComponent(vm.$children[i]);
    }
    callHook(vm, 'deactivated');
  }
}

function callHook (vm, hook) {
  // #7573 disable dep collection when invoking lifecycle hooks
  pushTarget();
  var handlers = vm.$options[hook];
  var info = hook + " hook";
  if (handlers) {
    for (var i = 0, j = handlers.length; i < j; i++) {
      invokeWithErrorHandling(handlers[i], vm, null, vm, info);
    }
  }
  if (vm._hasHookEvent) {
    vm.$emit('hook:' + hook);
  }
  popTarget();
}

/*  */

var MAX_UPDATE_COUNT = 100;

var queue = [];
var activatedChildren = [];
var has = {};
var circular = {};
var waiting = false;
var flushing = false;
var index = 0;

/**
 * Reset the scheduler's state.
 */
function resetSchedulerState () {
  index = queue.length = activatedChildren.length = 0;
  has = {};
  {
    circular = {};
  }
  waiting = flushing = false;
}

// Async edge case #6566 requires saving the timestamp when event listeners are
// attached. However, calling performance.now() has a perf overhead especially
// if the page has thousands of event listeners. Instead, we take a timestamp
// every time the scheduler flushes and use that for all event listeners
// attached during that flush.
var currentFlushTimestamp = 0;

// Async edge case fix requires storing an event listener's attach timestamp.
var getNow = Date.now;

// Determine what event timestamp the browser is using. Annoyingly, the
// timestamp can either be hi-res (relative to page load) or low-res
// (relative to UNIX epoch), so in order to compare time we have to use the
// same timestamp type when saving the flush timestamp.
// All IE versions use low-res event timestamps, and have problematic clock
// implementations (#9632)
if (inBrowser && !isIE) {
  var performance = window.performance;
  if (
    performance &&
    typeof performance.now === 'function' &&
    getNow() > document.createEvent('Event').timeStamp
  ) {
    // if the event timestamp, although evaluated AFTER the Date.now(), is
    // smaller than it, it means the event is using a hi-res timestamp,
    // and we need to use the hi-res version for event listener timestamps as
    // well.
    getNow = function () { return performance.now(); };
  }
}

/**
 * Flush both queues and run the watchers.
 */
function flushSchedulerQueue () {
  currentFlushTimestamp = getNow();
  flushing = true;
  var watcher, id;

  // Sort queue before flush.
  // This ensures that:
  // 1. Components are updated from parent to child. (because parent is always
  //    created before the child)
  // 2. A component's user watchers are run before its render watcher (because
  //    user watchers are created before the render watcher)
  // 3. If a component is destroyed during a parent component's watcher run,
  //    its watchers can be skipped.
  queue.sort(function (a, b) { return a.id - b.id; });

  // do not cache length because more watchers might be pushed
  // as we run existing watchers
  for (index = 0; index < queue.length; index++) {
    watcher = queue[index];
    if (watcher.before) {
      watcher.before();
    }
    id = watcher.id;
    has[id] = null;
    watcher.run();
    // in dev build, check and stop circular updates.
    if (has[id] != null) {
      circular[id] = (circular[id] || 0) + 1;
      if (circular[id] > MAX_UPDATE_COUNT) {
        warn(
          'You may have an infinite update loop ' + (
            watcher.user
              ? ("in watcher with expression \"" + (watcher.expression) + "\"")
              : "in a component render function."
          ),
          watcher.vm
        );
        break
      }
    }
  }

  // keep copies of post queues before resetting state
  var activatedQueue = activatedChildren.slice();
  var updatedQueue = queue.slice();

  resetSchedulerState();

  // call component updated and activated hooks
  callActivatedHooks(activatedQueue);
  callUpdatedHooks(updatedQueue);

  // devtool hook
  /* istanbul ignore if */
  if (devtools && config.devtools) {
    devtools.emit('flush');
  }
}

function callUpdatedHooks (queue) {
  var i = queue.length;
  while (i--) {
    var watcher = queue[i];
    var vm = watcher.vm;
    if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
      callHook(vm, 'updated');
    }
  }
}

/**
 * Queue a kept-alive component that was activated during patch.
 * The queue will be processed after the entire tree has been patched.
 */
function queueActivatedComponent (vm) {
  // setting _inactive to false here so that a render function can
  // rely on checking whether it's in an inactive tree (e.g. router-view)
  vm._inactive = false;
  activatedChildren.push(vm);
}

function callActivatedHooks (queue) {
  for (var i = 0; i < queue.length; i++) {
    queue[i]._inactive = true;
    activateChildComponent(queue[i], true /* true */);
  }
}

/**
 * Push a watcher into the watcher queue.
 * Jobs with duplicate IDs will be skipped unless it's
 * pushed when the queue is being flushed.
 */
function queueWatcher (watcher) {
  var id = watcher.id;
  if (has[id] == null) {
    has[id] = true;
    if (!flushing) {
      queue.push(watcher);
    } else {
      // if already flushing, splice the watcher based on its id
      // if already past its id, it will be run next immediately.
      var i = queue.length - 1;
      while (i > index && queue[i].id > watcher.id) {
        i--;
      }
      queue.splice(i + 1, 0, watcher);
    }
    // queue the flush
    if (!waiting) {
      waiting = true;

      if (!config.async) {
        flushSchedulerQueue();
        return
      }
      nextTick(flushSchedulerQueue);
    }
  }
}

/*  */



var uid$2 = 0;

/**
 * A watcher parses an expression, collects dependencies,
 * and fires callback when the expression value changes.
 * This is used for both the $watch() api and directives.
 */
var Watcher = function Watcher (
  vm,
  expOrFn,
  cb,
  options,
  isRenderWatcher
) {
  this.vm = vm;
  if (isRenderWatcher) {
    vm._watcher = this;
  }
  vm._watchers.push(this);
  // options
  if (options) {
    this.deep = !!options.deep;
    this.user = !!options.user;
    this.lazy = !!options.lazy;
    this.sync = !!options.sync;
    this.before = options.before;
  } else {
    this.deep = this.user = this.lazy = this.sync = false;
  }
  this.cb = cb;
  this.id = ++uid$2; // uid for batching
  this.active = true;
  this.dirty = this.lazy; // for lazy watchers
  this.deps = [];
  this.newDeps = [];
  this.depIds = new _Set();
  this.newDepIds = new _Set();
  this.expression = expOrFn.toString();
  // parse expression for getter
  if (typeof expOrFn === 'function') {
    this.getter = expOrFn;
  } else {
    this.getter = parsePath(expOrFn);
    if (!this.getter) {
      this.getter = noop;
      warn(
        "Failed watching path: \"" + expOrFn + "\" " +
        'Watcher only accepts simple dot-delimited paths. ' +
        'For full control, use a function instead.',
        vm
      );
    }
  }
  this.value = this.lazy
    ? undefined
    : this.get();
};

/**
 * Evaluate the getter, and re-collect dependencies.
 */
Watcher.prototype.get = function get () {
  pushTarget(this);
  var value;
  var vm = this.vm;
  try {
    value = this.getter.call(vm, vm);
  } catch (e) {
    if (this.user) {
      handleError(e, vm, ("getter for watcher \"" + (this.expression) + "\""));
    } else {
      throw e
    }
  } finally {
    // "touch" every property so they are all tracked as
    // dependencies for deep watching
    if (this.deep) {
      traverse(value);
    }
    popTarget();
    this.cleanupDeps();
  }
  return value
};

/**
 * Add a dependency to this directive.
 */
Watcher.prototype.addDep = function addDep (dep) {
  var id = dep.id;
  if (!this.newDepIds.has(id)) {
    this.newDepIds.add(id);
    this.newDeps.push(dep);
    if (!this.depIds.has(id)) {
      dep.addSub(this);
    }
  }
};

/**
 * Clean up for dependency collection.
 */
Watcher.prototype.cleanupDeps = function cleanupDeps () {
  var i = this.deps.length;
  while (i--) {
    var dep = this.deps[i];
    if (!this.newDepIds.has(dep.id)) {
      dep.removeSub(this);
    }
  }
  var tmp = this.depIds;
  this.depIds = this.newDepIds;
  this.newDepIds = tmp;
  this.newDepIds.clear();
  tmp = this.deps;
  this.deps = this.newDeps;
  this.newDeps = tmp;
  this.newDeps.length = 0;
};

/**
 * Subscriber interface.
 * Will be called when a dependency changes.
 */
Watcher.prototype.update = function update () {
  /* istanbul ignore else */
  if (this.lazy) {
    this.dirty = true;
  } else if (this.sync) {
    this.run();
  } else {
    queueWatcher(this);
  }
};

/**
 * Scheduler job interface.
 * Will be called by the scheduler.
 */
Watcher.prototype.run = function run () {
  if (this.active) {
    var value = this.get();
    if (
      value !== this.value ||
      // Deep watchers and watchers on Object/Arrays should fire even
      // when the value is the same, because the value may
      // have mutated.
      isObject(value) ||
      this.deep
    ) {
      // set new value
      var oldValue = this.value;
      this.value = value;
      if (this.user) {
        try {
          this.cb.call(this.vm, value, oldValue);
        } catch (e) {
          handleError(e, this.vm, ("callback for watcher \"" + (this.expression) + "\""));
        }
      } else {
        this.cb.call(this.vm, value, oldValue);
      }
    }
  }
};

/**
 * Evaluate the value of the watcher.
 * This only gets called for lazy watchers.
 */
Watcher.prototype.evaluate = function evaluate () {
  this.value = this.get();
  this.dirty = false;
};

/**
 * Depend on all deps collected by this watcher.
 */
Watcher.prototype.depend = function depend () {
  var i = this.deps.length;
  while (i--) {
    this.deps[i].depend();
  }
};

/**
 * Remove self from all dependencies' subscriber list.
 */
Watcher.prototype.teardown = function teardown () {
  if (this.active) {
    // remove self from vm's watcher list
    // this is a somewhat expensive operation so we skip it
    // if the vm is being destroyed.
    if (!this.vm._isBeingDestroyed) {
      remove(this.vm._watchers, this);
    }
    var i = this.deps.length;
    while (i--) {
      this.deps[i].removeSub(this);
    }
    this.active = false;
  }
};

/*  */

var sharedPropertyDefinition = {
  enumerable: true,
  configurable: true,
  get: noop,
  set: noop
};

function proxy (target, sourceKey, key) {
  sharedPropertyDefinition.get = function proxyGetter () {
    return this[sourceKey][key]
  };
  sharedPropertyDefinition.set = function proxySetter (val) {
    this[sourceKey][key] = val;
  };
  Object.defineProperty(target, key, sharedPropertyDefinition);
}

function initState (vm) {
  vm._watchers = [];
  var opts = vm.$options;
  if (opts.props) { initProps(vm, opts.props); }
  if (opts.methods) { initMethods(vm, opts.methods); }
  if (opts.data) {
    initData(vm);
  } else {
    observe(vm._data = {}, true /* asRootData */);
  }
  if (opts.computed) { initComputed(vm, opts.computed); }
  if (opts.watch && opts.watch !== nativeWatch) {
    initWatch(vm, opts.watch);
  }
}

function initProps (vm, propsOptions) {
  var propsData = vm.$options.propsData || {};
  var props = vm._props = {};
  // cache prop keys so that future props updates can iterate using Array
  // instead of dynamic object key enumeration.
  var keys = vm.$options._propKeys = [];
  var isRoot = !vm.$parent;
  // root instance props should be converted
  if (!isRoot) {
    toggleObserving(false);
  }
  var loop = function ( key ) {
    keys.push(key);
    var value = validateProp(key, propsOptions, propsData, vm);
    /* istanbul ignore else */
    {
      var hyphenatedKey = hyphenate(key);
      if (isReservedAttribute(hyphenatedKey) ||
          config.isReservedAttr(hyphenatedKey)) {
        warn(
          ("\"" + hyphenatedKey + "\" is a reserved attribute and cannot be used as component prop."),
          vm
        );
      }
      defineReactive$$1(props, key, value, function () {
        if (!isRoot && !isUpdatingChildComponent) {
          warn(
            "Avoid mutating a prop directly since the value will be " +
            "overwritten whenever the parent component re-renders. " +
            "Instead, use a data or computed property based on the prop's " +
            "value. Prop being mutated: \"" + key + "\"",
            vm
          );
        }
      });
    }
    // static props are already proxied on the component's prototype
    // during Vue.extend(). We only need to proxy props defined at
    // instantiation here.
    if (!(key in vm)) {
      proxy(vm, "_props", key);
    }
  };

  for (var key in propsOptions) loop( key );
  toggleObserving(true);
}

function initData (vm) {
  var data = vm.$options.data;
  data = vm._data = typeof data === 'function'
    ? getData(data, vm)
    : data || {};
  if (!isPlainObject(data)) {
    data = {};
    warn(
      'data functions should return an object:\n' +
      'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
      vm
    );
  }
  // proxy data on instance
  var keys = Object.keys(data);
  var props = vm.$options.props;
  var methods = vm.$options.methods;
  var i = keys.length;
  while (i--) {
    var key = keys[i];
    {
      if (methods && hasOwn(methods, key)) {
        warn(
          ("Method \"" + key + "\" has already been defined as a data property."),
          vm
        );
      }
    }
    if (props && hasOwn(props, key)) {
      warn(
        "The data property \"" + key + "\" is already declared as a prop. " +
        "Use prop default value instead.",
        vm
      );
    } else if (!isReserved(key)) {
      proxy(vm, "_data", key);
    }
  }
  // observe data
  observe(data, true /* asRootData */);
}

function getData (data, vm) {
  // #7573 disable dep collection when invoking data getters
  pushTarget();
  try {
    return data.call(vm, vm)
  } catch (e) {
    handleError(e, vm, "data()");
    return {}
  } finally {
    popTarget();
  }
}

var computedWatcherOptions = { lazy: true };

function initComputed (vm, computed) {
  // $flow-disable-line
  var watchers = vm._computedWatchers = Object.create(null);
  // computed properties are just getters during SSR
  var isSSR = isServerRendering();

  for (var key in computed) {
    var userDef = computed[key];
    var getter = typeof userDef === 'function' ? userDef : userDef.get;
    if (getter == null) {
      warn(
        ("Getter is missing for computed property \"" + key + "\"."),
        vm
      );
    }

    if (!isSSR) {
      // create internal watcher for the computed property.
      watchers[key] = new Watcher(
        vm,
        getter || noop,
        noop,
        computedWatcherOptions
      );
    }

    // component-defined computed properties are already defined on the
    // component prototype. We only need to define computed properties defined
    // at instantiation here.
    if (!(key in vm)) {
      defineComputed(vm, key, userDef);
    } else {
      if (key in vm.$data) {
        warn(("The computed property \"" + key + "\" is already defined in data."), vm);
      } else if (vm.$options.props && key in vm.$options.props) {
        warn(("The computed property \"" + key + "\" is already defined as a prop."), vm);
      }
    }
  }
}

function defineComputed (
  target,
  key,
  userDef
) {
  var shouldCache = !isServerRendering();
  if (typeof userDef === 'function') {
    sharedPropertyDefinition.get = shouldCache
      ? createComputedGetter(key)
      : createGetterInvoker(userDef);
    sharedPropertyDefinition.set = noop;
  } else {
    sharedPropertyDefinition.get = userDef.get
      ? shouldCache && userDef.cache !== false
        ? createComputedGetter(key)
        : createGetterInvoker(userDef.get)
      : noop;
    sharedPropertyDefinition.set = userDef.set || noop;
  }
  if (sharedPropertyDefinition.set === noop) {
    sharedPropertyDefinition.set = function () {
      warn(
        ("Computed property \"" + key + "\" was assigned to but it has no setter."),
        this
      );
    };
  }
  Object.defineProperty(target, key, sharedPropertyDefinition);
}

function createComputedGetter (key) {
  return function computedGetter () {
    var watcher = this._computedWatchers && this._computedWatchers[key];
    if (watcher) {
      if (watcher.dirty) {
        watcher.evaluate();
      }
      if (Dep.target) {
        watcher.depend();
      }
      return watcher.value
    }
  }
}

function createGetterInvoker(fn) {
  return function computedGetter () {
    return fn.call(this, this)
  }
}

function initMethods (vm, methods) {
  var props = vm.$options.props;
  for (var key in methods) {
    {
      if (typeof methods[key] !== 'function') {
        warn(
          "Method \"" + key + "\" has type \"" + (typeof methods[key]) + "\" in the component definition. " +
          "Did you reference the function correctly?",
          vm
        );
      }
      if (props && hasOwn(props, key)) {
        warn(
          ("Method \"" + key + "\" has already been defined as a prop."),
          vm
        );
      }
      if ((key in vm) && isReserved(key)) {
        warn(
          "Method \"" + key + "\" conflicts with an existing Vue instance method. " +
          "Avoid defining component methods that start with _ or $."
        );
      }
    }
    vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);
  }
}

function initWatch (vm, watch) {
  for (var key in watch) {
    var handler = watch[key];
    if (Array.isArray(handler)) {
      for (var i = 0; i < handler.length; i++) {
        createWatcher(vm, key, handler[i]);
      }
    } else {
      createWatcher(vm, key, handler);
    }
  }
}

function createWatcher (
  vm,
  expOrFn,
  handler,
  options
) {
  if (isPlainObject(handler)) {
    options = handler;
    handler = handler.handler;
  }
  if (typeof handler === 'string') {
    handler = vm[handler];
  }
  return vm.$watch(expOrFn, handler, options)
}

function stateMixin (Vue) {
  // flow somehow has problems with directly declared definition object
  // when using Object.defineProperty, so we have to procedurally build up
  // the object here.
  var dataDef = {};
  dataDef.get = function () { return this._data };
  var propsDef = {};
  propsDef.get = function () { return this._props };
  {
    dataDef.set = function () {
      warn(
        'Avoid replacing instance root $data. ' +
        'Use nested data properties instead.',
        this
      );
    };
    propsDef.set = function () {
      warn("$props is readonly.", this);
    };
  }
  Object.defineProperty(Vue.prototype, '$data', dataDef);
  Object.defineProperty(Vue.prototype, '$props', propsDef);

  Vue.prototype.$set = set;
  Vue.prototype.$delete = del;

  Vue.prototype.$watch = function (
    expOrFn,
    cb,
    options
  ) {
    var vm = this;
    if (isPlainObject(cb)) {
      return createWatcher(vm, expOrFn, cb, options)
    }
    options = options || {};
    options.user = true;
    var watcher = new Watcher(vm, expOrFn, cb, options);
    if (options.immediate) {
      try {
        cb.call(vm, watcher.value);
      } catch (error) {
        handleError(error, vm, ("callback for immediate watcher \"" + (watcher.expression) + "\""));
      }
    }
    return function unwatchFn () {
      watcher.teardown();
    }
  };
}

/*  */

var uid$3 = 0;

function initMixin (Vue) {
  Vue.prototype._init = function (options) {
    var vm = this;
    // a uid
    vm._uid = uid$3++;

    var startTag, endTag;
    /* istanbul ignore if */
    if (config.performance && mark) {
      startTag = "vue-perf-start:" + (vm._uid);
      endTag = "vue-perf-end:" + (vm._uid);
      mark(startTag);
    }

    // a flag to avoid this being observed
    vm._isVue = true;
    // merge options
    if (options && options._isComponent) {
      // optimize internal component instantiation
      // since dynamic options merging is pretty slow, and none of the
      // internal component options needs special treatment.
      initInternalComponent(vm, options);
    } else {
      vm.$options = mergeOptions(
        resolveConstructorOptions(vm.constructor),
        options || {},
        vm
      );
    }
    /* istanbul ignore else */
    {
      initProxy(vm);
    }
    // expose real self
    vm._self = vm;
    initLifecycle(vm);
    initEvents(vm);
    initRender(vm);
    callHook(vm, 'beforeCreate');
    initInjections(vm); // resolve injections before data/props
    initState(vm);
    initProvide(vm); // resolve provide after data/props
    callHook(vm, 'created');

    /* istanbul ignore if */
    if (config.performance && mark) {
      vm._name = formatComponentName(vm, false);
      mark(endTag);
      measure(("vue " + (vm._name) + " init"), startTag, endTag);
    }

    if (vm.$options.el) {
      vm.$mount(vm.$options.el);
    }
  };
}

function initInternalComponent (vm, options) {
  var opts = vm.$options = Object.create(vm.constructor.options);
  // doing this because it's faster than dynamic enumeration.
  var parentVnode = options._parentVnode;
  opts.parent = options.parent;
  opts._parentVnode = parentVnode;

  var vnodeComponentOptions = parentVnode.componentOptions;
  opts.propsData = vnodeComponentOptions.propsData;
  opts._parentListeners = vnodeComponentOptions.listeners;
  opts._renderChildren = vnodeComponentOptions.children;
  opts._componentTag = vnodeComponentOptions.tag;

  if (options.render) {
    opts.render = options.render;
    opts.staticRenderFns = options.staticRenderFns;
  }
}

function resolveConstructorOptions (Ctor) {
  var options = Ctor.options;
  if (Ctor.super) {
    var superOptions = resolveConstructorOptions(Ctor.super);
    var cachedSuperOptions = Ctor.superOptions;
    if (superOptions !== cachedSuperOptions) {
      // super option changed,
      // need to resolve new options.
      Ctor.superOptions = superOptions;
      // check if there are any late-modified/attached options (#4976)
      var modifiedOptions = resolveModifiedOptions(Ctor);
      // update base extend options
      if (modifiedOptions) {
        extend(Ctor.extendOptions, modifiedOptions);
      }
      options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
      if (options.name) {
        options.components[options.name] = Ctor;
      }
    }
  }
  return options
}

function resolveModifiedOptions (Ctor) {
  var modified;
  var latest = Ctor.options;
  var sealed = Ctor.sealedOptions;
  for (var key in latest) {
    if (latest[key] !== sealed[key]) {
      if (!modified) { modified = {}; }
      modified[key] = latest[key];
    }
  }
  return modified
}

function Vue (options) {
  if (!(this instanceof Vue)
  ) {
    warn('Vue is a constructor and should be called with the `new` keyword');
  }
  this._init(options);
}

initMixin(Vue);
stateMixin(Vue);
eventsMixin(Vue);
lifecycleMixin(Vue);
renderMixin(Vue);

/*  */

function initUse (Vue) {
  Vue.use = function (plugin) {
    var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));
    if (installedPlugins.indexOf(plugin) > -1) {
      return this
    }

    // additional parameters
    var args = toArray(arguments, 1);
    args.unshift(this);
    if (typeof plugin.install === 'function') {
      plugin.install.apply(plugin, args);
    } else if (typeof plugin === 'function') {
      plugin.apply(null, args);
    }
    installedPlugins.push(plugin);
    return this
  };
}

/*  */

function initMixin$1 (Vue) {
  Vue.mixin = function (mixin) {
    this.options = mergeOptions(this.options, mixin);
    return this
  };
}

/*  */

function initExtend (Vue) {
  /**
   * Each instance constructor, including Vue, has a unique
   * cid. This enables us to create wrapped "child
   * constructors" for prototypal inheritance and cache them.
   */
  Vue.cid = 0;
  var cid = 1;

  /**
   * Class inheritance
   */
  Vue.extend = function (extendOptions) {
    extendOptions = extendOptions || {};
    var Super = this;
    var SuperId = Super.cid;
    var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
    if (cachedCtors[SuperId]) {
      return cachedCtors[SuperId]
    }

    var name = extendOptions.name || Super.options.name;
    if (name) {
      validateComponentName(name);
    }

    var Sub = function VueComponent (options) {
      this._init(options);
    };
    Sub.prototype = Object.create(Super.prototype);
    Sub.prototype.constructor = Sub;
    Sub.cid = cid++;
    Sub.options = mergeOptions(
      Super.options,
      extendOptions
    );
    Sub['super'] = Super;

    // For props and computed properties, we define the proxy getters on
    // the Vue instances at extension time, on the extended prototype. This
    // avoids Object.defineProperty calls for each instance created.
    if (Sub.options.props) {
      initProps$1(Sub);
    }
    if (Sub.options.computed) {
      initComputed$1(Sub);
    }

    // allow further extension/mixin/plugin usage
    Sub.extend = Super.extend;
    Sub.mixin = Super.mixin;
    Sub.use = Super.use;

    // create asset registers, so extended classes
    // can have their private assets too.
    ASSET_TYPES.forEach(function (type) {
      Sub[type] = Super[type];
    });
    // enable recursive self-lookup
    if (name) {
      Sub.options.components[name] = Sub;
    }

    // keep a reference to the super options at extension time.
    // later at instantiation we can check if Super's options have
    // been updated.
    Sub.superOptions = Super.options;
    Sub.extendOptions = extendOptions;
    Sub.sealedOptions = extend({}, Sub.options);

    // cache constructor
    cachedCtors[SuperId] = Sub;
    return Sub
  };
}

function initProps$1 (Comp) {
  var props = Comp.options.props;
  for (var key in props) {
    proxy(Comp.prototype, "_props", key);
  }
}

function initComputed$1 (Comp) {
  var computed = Comp.options.computed;
  for (var key in computed) {
    defineComputed(Comp.prototype, key, computed[key]);
  }
}

/*  */

function initAssetRegisters (Vue) {
  /**
   * Create asset registration methods.
   */
  ASSET_TYPES.forEach(function (type) {
    Vue[type] = function (
      id,
      definition
    ) {
      if (!definition) {
        return this.options[type + 's'][id]
      } else {
        /* istanbul ignore if */
        if (type === 'component') {
          validateComponentName(id);
        }
        if (type === 'component' && isPlainObject(definition)) {
          definition.name = definition.name || id;
          definition = this.options._base.extend(definition);
        }
        if (type === 'directive' && typeof definition === 'function') {
          definition = { bind: definition, update: definition };
        }
        this.options[type + 's'][id] = definition;
        return definition
      }
    };
  });
}

/*  */



function getComponentName (opts) {
  return opts && (opts.Ctor.options.name || opts.tag)
}

function matches (pattern, name) {
  if (Array.isArray(pattern)) {
    return pattern.indexOf(name) > -1
  } else if (typeof pattern === 'string') {
    return pattern.split(',').indexOf(name) > -1
  } else if (isRegExp(pattern)) {
    return pattern.test(name)
  }
  /* istanbul ignore next */
  return false
}

function pruneCache (keepAliveInstance, filter) {
  var cache = keepAliveInstance.cache;
  var keys = keepAliveInstance.keys;
  var _vnode = keepAliveInstance._vnode;
  for (var key in cache) {
    var cachedNode = cache[key];
    if (cachedNode) {
      var name = getComponentName(cachedNode.componentOptions);
      if (name && !filter(name)) {
        pruneCacheEntry(cache, key, keys, _vnode);
      }
    }
  }
}

function pruneCacheEntry (
  cache,
  key,
  keys,
  current
) {
  var cached$$1 = cache[key];
  if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {
    cached$$1.componentInstance.$destroy();
  }
  cache[key] = null;
  remove(keys, key);
}

var patternTypes = [String, RegExp, Array];

var KeepAlive = {
  name: 'keep-alive',
  abstract: true,

  props: {
    include: patternTypes,
    exclude: patternTypes,
    max: [String, Number]
  },

  created: function created () {
    this.cache = Object.create(null);
    this.keys = [];
  },

  destroyed: function destroyed () {
    for (var key in this.cache) {
      pruneCacheEntry(this.cache, key, this.keys);
    }
  },

  mounted: function mounted () {
    var this$1 = this;

    this.$watch('include', function (val) {
      pruneCache(this$1, function (name) { return matches(val, name); });
    });
    this.$watch('exclude', function (val) {
      pruneCache(this$1, function (name) { return !matches(val, name); });
    });
  },

  render: function render () {
    var slot = this.$slots.default;
    var vnode = getFirstComponentChild(slot);
    var componentOptions = vnode && vnode.componentOptions;
    if (componentOptions) {
      // check pattern
      var name = getComponentName(componentOptions);
      var ref = this;
      var include = ref.include;
      var exclude = ref.exclude;
      if (
        // not included
        (include && (!name || !matches(include, name))) ||
        // excluded
        (exclude && name && matches(exclude, name))
      ) {
        return vnode
      }

      var ref$1 = this;
      var cache = ref$1.cache;
      var keys = ref$1.keys;
      var key = vnode.key == null
        // same constructor may get registered as different local components
        // so cid alone is not enough (#3269)
        ? componentOptions.Ctor.cid + (componentOptions.tag ? ("::" + (componentOptions.tag)) : '')
        : vnode.key;
      if (cache[key]) {
        vnode.componentInstance = cache[key].componentInstance;
        // make current key freshest
        remove(keys, key);
        keys.push(key);
      } else {
        cache[key] = vnode;
        keys.push(key);
        // prune oldest entry
        if (this.max && keys.length > parseInt(this.max)) {
          pruneCacheEntry(cache, keys[0], keys, this._vnode);
        }
      }

      vnode.data.keepAlive = true;
    }
    return vnode || (slot && slot[0])
  }
};

var builtInComponents = {
  KeepAlive: KeepAlive
};

/*  */

function initGlobalAPI (Vue) {
  // config
  var configDef = {};
  configDef.get = function () { return config; };
  {
    configDef.set = function () {
      warn(
        'Do not replace the Vue.config object, set individual fields instead.'
      );
    };
  }
  Object.defineProperty(Vue, 'config', configDef);

  // exposed util methods.
  // NOTE: these are not considered part of the public API - avoid relying on
  // them unless you are aware of the risk.
  Vue.util = {
    warn: warn,
    extend: extend,
    mergeOptions: mergeOptions,
    defineReactive: defineReactive$$1
  };

  Vue.set = set;
  Vue.delete = del;
  Vue.nextTick = nextTick;

  // 2.6 explicit observable API
  Vue.observable = function (obj) {
    observe(obj);
    return obj
  };

  Vue.options = Object.create(null);
  ASSET_TYPES.forEach(function (type) {
    Vue.options[type + 's'] = Object.create(null);
  });

  // this is used to identify the "base" constructor to extend all plain-object
  // components with in Weex's multi-instance scenarios.
  Vue.options._base = Vue;

  extend(Vue.options.components, builtInComponents);

  initUse(Vue);
  initMixin$1(Vue);
  initExtend(Vue);
  initAssetRegisters(Vue);
}

initGlobalAPI(Vue);

Object.defineProperty(Vue.prototype, '$isServer', {
  get: isServerRendering
});

Object.defineProperty(Vue.prototype, '$ssrContext', {
  get: function get () {
    /* istanbul ignore next */
    return this.$vnode && this.$vnode.ssrContext
  }
});

// expose FunctionalRenderContext for ssr runtime helper installation
Object.defineProperty(Vue, 'FunctionalRenderContext', {
  value: FunctionalRenderContext
});

Vue.version = '2.6.12';

/*  */

// these are reserved for web because they are directly compiled away
// during template compilation
var isReservedAttr = makeMap('style,class');

// attributes that should be using props for binding
var acceptValue = makeMap('input,textarea,option,select,progress');
var mustUseProp = function (tag, type, attr) {
  return (
    (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
    (attr === 'selected' && tag === 'option') ||
    (attr === 'checked' && tag === 'input') ||
    (attr === 'muted' && tag === 'video')
  )
};

var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');

var isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');

var convertEnumeratedValue = function (key, value) {
  return isFalsyAttrValue(value) || value === 'false'
    ? 'false'
    // allow arbitrary string value for contenteditable
    : key === 'contenteditable' && isValidContentEditableValue(value)
      ? value
      : 'true'
};

var isBooleanAttr = makeMap(
  'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
  'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
  'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
  'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
  'required,reversed,scoped,seamless,selected,sortable,translate,' +
  'truespeed,typemustmatch,visible'
);

var xlinkNS = 'http://www.w3.org/1999/xlink';

var isXlink = function (name) {
  return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
};

var getXlinkProp = function (name) {
  return isXlink(name) ? name.slice(6, name.length) : ''
};

var isFalsyAttrValue = function (val) {
  return val == null || val === false
};

/*  */

function genClassForVnode (vnode) {
  var data = vnode.data;
  var parentNode = vnode;
  var childNode = vnode;
  while (isDef(childNode.componentInstance)) {
    childNode = childNode.componentInstance._vnode;
    if (childNode && childNode.data) {
      data = mergeClassData(childNode.data, data);
    }
  }
  while (isDef(parentNode = parentNode.parent)) {
    if (parentNode && parentNode.data) {
      data = mergeClassData(data, parentNode.data);
    }
  }
  return renderClass(data.staticClass, data.class)
}

function mergeClassData (child, parent) {
  return {
    staticClass: concat(child.staticClass, parent.staticClass),
    class: isDef(child.class)
      ? [child.class, parent.class]
      : parent.class
  }
}

function renderClass (
  staticClass,
  dynamicClass
) {
  if (isDef(staticClass) || isDef(dynamicClass)) {
    return concat(staticClass, stringifyClass(dynamicClass))
  }
  /* istanbul ignore next */
  return ''
}

function concat (a, b) {
  return a ? b ? (a + ' ' + b) : a : (b || '')
}

function stringifyClass (value) {
  if (Array.isArray(value)) {
    return stringifyArray(value)
  }
  if (isObject(value)) {
    return stringifyObject(value)
  }
  if (typeof value === 'string') {
    return value
  }
  /* istanbul ignore next */
  return ''
}

function stringifyArray (value) {
  var res = '';
  var stringified;
  for (var i = 0, l = value.length; i < l; i++) {
    if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {
      if (res) { res += ' '; }
      res += stringified;
    }
  }
  return res
}

function stringifyObject (value) {
  var res = '';
  for (var key in value) {
    if (value[key]) {
      if (res) { res += ' '; }
      res += key;
    }
  }
  return res
}

/*  */

var namespaceMap = {
  svg: 'http://www.w3.org/2000/svg',
  math: 'http://www.w3.org/1998/Math/MathML'
};

var isHTMLTag = makeMap(
  'html,body,base,head,link,meta,style,title,' +
  'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
  'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
  'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
  's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
  'embed,object,param,source,canvas,script,noscript,del,ins,' +
  'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
  'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
  'output,progress,select,textarea,' +
  'details,dialog,menu,menuitem,summary,' +
  'content,element,shadow,template,blockquote,iframe,tfoot'
);

// this map is intentionally selective, only covering SVG elements that may
// contain child elements.
var isSVG = makeMap(
  'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
  'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
  'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',
  true
);

var isPreTag = function (tag) { return tag === 'pre'; };

var isReservedTag = function (tag) {
  return isHTMLTag(tag) || isSVG(tag)
};

function getTagNamespace (tag) {
  if (isSVG(tag)) {
    return 'svg'
  }
  // basic support for MathML
  // note it doesn't support other MathML elements being component roots
  if (tag === 'math') {
    return 'math'
  }
}

var unknownElementCache = Object.create(null);
function isUnknownElement (tag) {
  /* istanbul ignore if */
  if (!inBrowser) {
    return true
  }
  if (isReservedTag(tag)) {
    return false
  }
  tag = tag.toLowerCase();
  /* istanbul ignore if */
  if (unknownElementCache[tag] != null) {
    return unknownElementCache[tag]
  }
  var el = document.createElement(tag);
  if (tag.indexOf('-') > -1) {
    // http://stackoverflow.com/a/28210364/1070244
    return (unknownElementCache[tag] = (
      el.constructor === window.HTMLUnknownElement ||
      el.constructor === window.HTMLElement
    ))
  } else {
    return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))
  }
}

var isTextInputType = makeMap('text,number,password,search,email,tel,url');

/*  */

/**
 * Query an element selector if it's not an element already.
 */
function query (el) {
  if (typeof el === 'string') {
    var selected = document.querySelector(el);
    if (!selected) {
      warn(
        'Cannot find element: ' + el
      );
      return document.createElement('div')
    }
    return selected
  } else {
    return el
  }
}

/*  */

function createElement$1 (tagName, vnode) {
  var elm = document.createElement(tagName);
  if (tagName !== 'select') {
    return elm
  }
  // false or null will remove the attribute but undefined will not
  if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {
    elm.setAttribute('multiple', 'multiple');
  }
  return elm
}

function createElementNS (namespace, tagName) {
  return document.createElementNS(namespaceMap[namespace], tagName)
}

function createTextNode (text) {
  return document.createTextNode(text)
}

function createComment (text) {
  return document.createComment(text)
}

function insertBefore (parentNode, newNode, referenceNode) {
  parentNode.insertBefore(newNode, referenceNode);
}

function removeChild (node, child) {
  node.removeChild(child);
}

function appendChild (node, child) {
  node.appendChild(child);
}

function parentNode (node) {
  return node.parentNode
}

function nextSibling (node) {
  return node.nextSibling
}

function tagName (node) {
  return node.tagName
}

function setTextContent (node, text) {
  node.textContent = text;
}

function setStyleScope (node, scopeId) {
  node.setAttribute(scopeId, '');
}

var nodeOps = /*#__PURE__*/Object.freeze({
  createElement: createElement$1,
  createElementNS: createElementNS,
  createTextNode: createTextNode,
  createComment: createComment,
  insertBefore: insertBefore,
  removeChild: removeChild,
  appendChild: appendChild,
  parentNode: parentNode,
  nextSibling: nextSibling,
  tagName: tagName,
  setTextContent: setTextContent,
  setStyleScope: setStyleScope
});

/*  */

var ref = {
  create: function create (_, vnode) {
    registerRef(vnode);
  },
  update: function update (oldVnode, vnode) {
    if (oldVnode.data.ref !== vnode.data.ref) {
      registerRef(oldVnode, true);
      registerRef(vnode);
    }
  },
  destroy: function destroy (vnode) {
    registerRef(vnode, true);
  }
};

function registerRef (vnode, isRemoval) {
  var key = vnode.data.ref;
  if (!isDef(key)) { return }

  var vm = vnode.context;
  var ref = vnode.componentInstance || vnode.elm;
  var refs = vm.$refs;
  if (isRemoval) {
    if (Array.isArray(refs[key])) {
      remove(refs[key], ref);
    } else if (refs[key] === ref) {
      refs[key] = undefined;
    }
  } else {
    if (vnode.data.refInFor) {
      if (!Array.isArray(refs[key])) {
        refs[key] = [ref];
      } else if (refs[key].indexOf(ref) < 0) {
        // $flow-disable-line
        refs[key].push(ref);
      }
    } else {
      refs[key] = ref;
    }
  }
}

/**
 * Virtual DOM patching algorithm based on Snabbdom by
 * Simon Friis Vindum (@paldepind)
 * Licensed under the MIT License
 * https://github.com/paldepind/snabbdom/blob/master/LICENSE
 *
 * modified by Evan You (@yyx990803)
 *
 * Not type-checking this because this file is perf-critical and the cost
 * of making flow understand it is not worth it.
 */

var emptyNode = new VNode('', {}, []);

var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];

function sameVnode (a, b) {
  return (
    a.key === b.key && (
      (
        a.tag === b.tag &&
        a.isComment === b.isComment &&
        isDef(a.data) === isDef(b.data) &&
        sameInputType(a, b)
      ) || (
        isTrue(a.isAsyncPlaceholder) &&
        a.asyncFactory === b.asyncFactory &&
        isUndef(b.asyncFactory.error)
      )
    )
  )
}

function sameInputType (a, b) {
  if (a.tag !== 'input') { return true }
  var i;
  var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;
  var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;
  return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)
}

function createKeyToOldIdx (children, beginIdx, endIdx) {
  var i, key;
  var map = {};
  for (i = beginIdx; i <= endIdx; ++i) {
    key = children[i].key;
    if (isDef(key)) { map[key] = i; }
  }
  return map
}

function createPatchFunction (backend) {
  var i, j;
  var cbs = {};

  var modules = backend.modules;
  var nodeOps = backend.nodeOps;

  for (i = 0; i < hooks.length; ++i) {
    cbs[hooks[i]] = [];
    for (j = 0; j < modules.length; ++j) {
      if (isDef(modules[j][hooks[i]])) {
        cbs[hooks[i]].push(modules[j][hooks[i]]);
      }
    }
  }

  function emptyNodeAt (elm) {
    return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)
  }

  function createRmCb (childElm, listeners) {
    function remove$$1 () {
      if (--remove$$1.listeners === 0) {
        removeNode(childElm);
      }
    }
    remove$$1.listeners = listeners;
    return remove$$1
  }

  function removeNode (el) {
    var parent = nodeOps.parentNode(el);
    // element may have already been removed due to v-html / v-text
    if (isDef(parent)) {
      nodeOps.removeChild(parent, el);
    }
  }

  function isUnknownElement$$1 (vnode, inVPre) {
    return (
      !inVPre &&
      !vnode.ns &&
      !(
        config.ignoredElements.length &&
        config.ignoredElements.some(function (ignore) {
          return isRegExp(ignore)
            ? ignore.test(vnode.tag)
            : ignore === vnode.tag
        })
      ) &&
      config.isUnknownElement(vnode.tag)
    )
  }

  var creatingElmInVPre = 0;

  function createElm (
    vnode,
    insertedVnodeQueue,
    parentElm,
    refElm,
    nested,
    ownerArray,
    index
  ) {
    if (isDef(vnode.elm) && isDef(ownerArray)) {
      // This vnode was used in a previous render!
      // now it's used as a new node, overwriting its elm would cause
      // potential patch errors down the road when it's used as an insertion
      // reference node. Instead, we clone the node on-demand before creating
      // associated DOM element for it.
      vnode = ownerArray[index] = cloneVNode(vnode);
    }

    vnode.isRootInsert = !nested; // for transition enter check
    if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
      return
    }

    var data = vnode.data;
    var children = vnode.children;
    var tag = vnode.tag;
    if (isDef(tag)) {
      {
        if (data && data.pre) {
          creatingElmInVPre++;
        }
        if (isUnknownElement$$1(vnode, creatingElmInVPre)) {
          warn(
            'Unknown custom element: <' + tag + '> - did you ' +
            'register the component correctly? For recursive components, ' +
            'make sure to provide the "name" option.',
            vnode.context
          );
        }
      }

      vnode.elm = vnode.ns
        ? nodeOps.createElementNS(vnode.ns, tag)
        : nodeOps.createElement(tag, vnode);
      setScope(vnode);

      /* istanbul ignore if */
      {
        createChildren(vnode, children, insertedVnodeQueue);
        if (isDef(data)) {
          invokeCreateHooks(vnode, insertedVnodeQueue);
        }
        insert(parentElm, vnode.elm, refElm);
      }

      if (data && data.pre) {
        creatingElmInVPre--;
      }
    } else if (isTrue(vnode.isComment)) {
      vnode.elm = nodeOps.createComment(vnode.text);
      insert(parentElm, vnode.elm, refElm);
    } else {
      vnode.elm = nodeOps.createTextNode(vnode.text);
      insert(parentElm, vnode.elm, refElm);
    }
  }

  function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
    var i = vnode.data;
    if (isDef(i)) {
      var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
      if (isDef(i = i.hook) && isDef(i = i.init)) {
        i(vnode, false /* hydrating */);
      }
      // after calling the init hook, if the vnode is a child component
      // it should've created a child instance and mounted it. the child
      // component also has set the placeholder vnode's elm.
      // in that case we can just return the element and be done.
      if (isDef(vnode.componentInstance)) {
        initComponent(vnode, insertedVnodeQueue);
        insert(parentElm, vnode.elm, refElm);
        if (isTrue(isReactivated)) {
          reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
        }
        return true
      }
    }
  }

  function initComponent (vnode, insertedVnodeQueue) {
    if (isDef(vnode.data.pendingInsert)) {
      insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
      vnode.data.pendingInsert = null;
    }
    vnode.elm = vnode.componentInstance.$el;
    if (isPatchable(vnode)) {
      invokeCreateHooks(vnode, insertedVnodeQueue);
      setScope(vnode);
    } else {
      // empty component root.
      // skip all element-related modules except for ref (#3455)
      registerRef(vnode);
      // make sure to invoke the insert hook
      insertedVnodeQueue.push(vnode);
    }
  }

  function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {
    var i;
    // hack for #4339: a reactivated component with inner transition
    // does not trigger because the inner node's created hooks are not called
    // again. It's not ideal to involve module-specific logic in here but
    // there doesn't seem to be a better way to do it.
    var innerNode = vnode;
    while (innerNode.componentInstance) {
      innerNode = innerNode.componentInstance._vnode;
      if (isDef(i = innerNode.data) && isDef(i = i.transition)) {
        for (i = 0; i < cbs.activate.length; ++i) {
          cbs.activate[i](emptyNode, innerNode);
        }
        insertedVnodeQueue.push(innerNode);
        break
      }
    }
    // unlike a newly created component,
    // a reactivated keep-alive component doesn't insert itself
    insert(parentElm, vnode.elm, refElm);
  }

  function insert (parent, elm, ref$$1) {
    if (isDef(parent)) {
      if (isDef(ref$$1)) {
        if (nodeOps.parentNode(ref$$1) === parent) {
          nodeOps.insertBefore(parent, elm, ref$$1);
        }
      } else {
        nodeOps.appendChild(parent, elm);
      }
    }
  }

  function createChildren (vnode, children, insertedVnodeQueue) {
    if (Array.isArray(children)) {
      {
        checkDuplicateKeys(children);
      }
      for (var i = 0; i < children.length; ++i) {
        createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
      }
    } else if (isPrimitive(vnode.text)) {
      nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
    }
  }

  function isPatchable (vnode) {
    while (vnode.componentInstance) {
      vnode = vnode.componentInstance._vnode;
    }
    return isDef(vnode.tag)
  }

  function invokeCreateHooks (vnode, insertedVnodeQueue) {
    for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
      cbs.create[i$1](emptyNode, vnode);
    }
    i = vnode.data.hook; // Reuse variable
    if (isDef(i)) {
      if (isDef(i.create)) { i.create(emptyNode, vnode); }
      if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }
    }
  }

  // set scope id attribute for scoped CSS.
  // this is implemented as a special case to avoid the overhead
  // of going through the normal attribute patching process.
  function setScope (vnode) {
    var i;
    if (isDef(i = vnode.fnScopeId)) {
      nodeOps.setStyleScope(vnode.elm, i);
    } else {
      var ancestor = vnode;
      while (ancestor) {
        if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {
          nodeOps.setStyleScope(vnode.elm, i);
        }
        ancestor = ancestor.parent;
      }
    }
    // for slot content they should also get the scopeId from the host instance.
    if (isDef(i = activeInstance) &&
      i !== vnode.context &&
      i !== vnode.fnContext &&
      isDef(i = i.$options._scopeId)
    ) {
      nodeOps.setStyleScope(vnode.elm, i);
    }
  }

  function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
    for (; startIdx <= endIdx; ++startIdx) {
      createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
    }
  }

  function invokeDestroyHook (vnode) {
    var i, j;
    var data = vnode.data;
    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }
      for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }
    }
    if (isDef(i = vnode.children)) {
      for (j = 0; j < vnode.children.length; ++j) {
        invokeDestroyHook(vnode.children[j]);
      }
    }
  }

  function removeVnodes (vnodes, startIdx, endIdx) {
    for (; startIdx <= endIdx; ++startIdx) {
      var ch = vnodes[startIdx];
      if (isDef(ch)) {
        if (isDef(ch.tag)) {
          removeAndInvokeRemoveHook(ch);
          invokeDestroyHook(ch);
        } else { // Text node
          removeNode(ch.elm);
        }
      }
    }
  }

  function removeAndInvokeRemoveHook (vnode, rm) {
    if (isDef(rm) || isDef(vnode.data)) {
      var i;
      var listeners = cbs.remove.length + 1;
      if (isDef(rm)) {
        // we have a recursively passed down rm callback
        // increase the listeners count
        rm.listeners += listeners;
      } else {
        // directly removing
        rm = createRmCb(vnode.elm, listeners);
      }
      // recursively invoke hooks on child component root node
      if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {
        removeAndInvokeRemoveHook(i, rm);
      }
      for (i = 0; i < cbs.remove.length; ++i) {
        cbs.remove[i](vnode, rm);
      }
      if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {
        i(vnode, rm);
      } else {
        rm();
      }
    } else {
      removeNode(vnode.elm);
    }
  }

  function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
    var oldStartIdx = 0;
    var newStartIdx = 0;
    var oldEndIdx = oldCh.length - 1;
    var oldStartVnode = oldCh[0];
    var oldEndVnode = oldCh[oldEndIdx];
    var newEndIdx = newCh.length - 1;
    var newStartVnode = newCh[0];
    var newEndVnode = newCh[newEndIdx];
    var oldKeyToIdx, idxInOld, vnodeToMove, refElm;

    // removeOnly is a special flag used only by <transition-group>
    // to ensure removed elements stay in correct relative positions
    // during leaving transitions
    var canMove = !removeOnly;

    {
      checkDuplicateKeys(newCh);
    }

    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
      if (isUndef(oldStartVnode)) {
        oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
      } else if (isUndef(oldEndVnode)) {
        oldEndVnode = oldCh[--oldEndIdx];
      } else if (sameVnode(oldStartVnode, newStartVnode)) {
        patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
        oldStartVnode = oldCh[++oldStartIdx];
        newStartVnode = newCh[++newStartIdx];
      } else if (sameVnode(oldEndVnode, newEndVnode)) {
        patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
        oldEndVnode = oldCh[--oldEndIdx];
        newEndVnode = newCh[--newEndIdx];
      } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right
        patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
        canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
        oldStartVnode = oldCh[++oldStartIdx];
        newEndVnode = newCh[--newEndIdx];
      } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left
        patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
        canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
        oldEndVnode = oldCh[--oldEndIdx];
        newStartVnode = newCh[++newStartIdx];
      } else {
        if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }
        idxInOld = isDef(newStartVnode.key)
          ? oldKeyToIdx[newStartVnode.key]
          : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
        if (isUndef(idxInOld)) { // New element
          createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
        } else {
          vnodeToMove = oldCh[idxInOld];
          if (sameVnode(vnodeToMove, newStartVnode)) {
            patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
            oldCh[idxInOld] = undefined;
            canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
          } else {
            // same key but different element. treat as new element
            createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
          }
        }
        newStartVnode = newCh[++newStartIdx];
      }
    }
    if (oldStartIdx > oldEndIdx) {
      refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
      addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
    } else if (newStartIdx > newEndIdx) {
      removeVnodes(oldCh, oldStartIdx, oldEndIdx);
    }
  }

  function checkDuplicateKeys (children) {
    var seenKeys = {};
    for (var i = 0; i < children.length; i++) {
      var vnode = children[i];
      var key = vnode.key;
      if (isDef(key)) {
        if (seenKeys[key]) {
          warn(
            ("Duplicate keys detected: '" + key + "'. This may cause an update error."),
            vnode.context
          );
        } else {
          seenKeys[key] = true;
        }
      }
    }
  }

  function findIdxInOld (node, oldCh, start, end) {
    for (var i = start; i < end; i++) {
      var c = oldCh[i];
      if (isDef(c) && sameVnode(node, c)) { return i }
    }
  }

  function patchVnode (
    oldVnode,
    vnode,
    insertedVnodeQueue,
    ownerArray,
    index,
    removeOnly
  ) {
    if (oldVnode === vnode) {
      return
    }

    if (isDef(vnode.elm) && isDef(ownerArray)) {
      // clone reused vnode
      vnode = ownerArray[index] = cloneVNode(vnode);
    }

    var elm = vnode.elm = oldVnode.elm;

    if (isTrue(oldVnode.isAsyncPlaceholder)) {
      if (isDef(vnode.asyncFactory.resolved)) {
        hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
      } else {
        vnode.isAsyncPlaceholder = true;
      }
      return
    }

    // reuse element for static trees.
    // note we only do this if the vnode is cloned -
    // if the new node is not cloned it means the render functions have been
    // reset by the hot-reload-api and we need to do a proper re-render.
    if (isTrue(vnode.isStatic) &&
      isTrue(oldVnode.isStatic) &&
      vnode.key === oldVnode.key &&
      (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))
    ) {
      vnode.componentInstance = oldVnode.componentInstance;
      return
    }

    var i;
    var data = vnode.data;
    if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {
      i(oldVnode, vnode);
    }

    var oldCh = oldVnode.children;
    var ch = vnode.children;
    if (isDef(data) && isPatchable(vnode)) {
      for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }
      if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }
    }
    if (isUndef(vnode.text)) {
      if (isDef(oldCh) && isDef(ch)) {
        if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }
      } else if (isDef(ch)) {
        {
          checkDuplicateKeys(ch);
        }
        if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }
        addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
      } else if (isDef(oldCh)) {
        removeVnodes(oldCh, 0, oldCh.length - 1);
      } else if (isDef(oldVnode.text)) {
        nodeOps.setTextContent(elm, '');
      }
    } else if (oldVnode.text !== vnode.text) {
      nodeOps.setTextContent(elm, vnode.text);
    }
    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }
    }
  }

  function invokeInsertHook (vnode, queue, initial) {
    // delay insert hooks for component root nodes, invoke them after the
    // element is really inserted
    if (isTrue(initial) && isDef(vnode.parent)) {
      vnode.parent.data.pendingInsert = queue;
    } else {
      for (var i = 0; i < queue.length; ++i) {
        queue[i].data.hook.insert(queue[i]);
      }
    }
  }

  var hydrationBailed = false;
  // list of modules that can skip create hook during hydration because they
  // are already rendered on the client or has no need for initialization
  // Note: style is excluded because it relies on initial clone for future
  // deep updates (#7063).
  var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');

  // Note: this is a browser-only function so we can assume elms are DOM nodes.
  function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {
    var i;
    var tag = vnode.tag;
    var data = vnode.data;
    var children = vnode.children;
    inVPre = inVPre || (data && data.pre);
    vnode.elm = elm;

    if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
      vnode.isAsyncPlaceholder = true;
      return true
    }
    // assert node match
    {
      if (!assertNodeMatch(elm, vnode, inVPre)) {
        return false
      }
    }
    if (isDef(data)) {
      if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }
      if (isDef(i = vnode.componentInstance)) {
        // child component. it should have hydrated its own tree.
        initComponent(vnode, insertedVnodeQueue);
        return true
      }
    }
    if (isDef(tag)) {
      if (isDef(children)) {
        // empty element, allow client to pick up and populate children
        if (!elm.hasChildNodes()) {
          createChildren(vnode, children, insertedVnodeQueue);
        } else {
          // v-html and domProps: innerHTML
          if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {
            if (i !== elm.innerHTML) {
              /* istanbul ignore if */
              if (typeof console !== 'undefined' &&
                !hydrationBailed
              ) {
                hydrationBailed = true;
                console.warn('Parent: ', elm);
                console.warn('server innerHTML: ', i);
                console.warn('client innerHTML: ', elm.innerHTML);
              }
              return false
            }
          } else {
            // iterate and compare children lists
            var childrenMatch = true;
            var childNode = elm.firstChild;
            for (var i$1 = 0; i$1 < children.length; i$1++) {
              if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {
                childrenMatch = false;
                break
              }
              childNode = childNode.nextSibling;
            }
            // if childNode is not null, it means the actual childNodes list is
            // longer than the virtual children list.
            if (!childrenMatch || childNode) {
              /* istanbul ignore if */
              if (typeof console !== 'undefined' &&
                !hydrationBailed
              ) {
                hydrationBailed = true;
                console.warn('Parent: ', elm);
                console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
              }
              return false
            }
          }
        }
      }
      if (isDef(data)) {
        var fullInvoke = false;
        for (var key in data) {
          if (!isRenderedModule(key)) {
            fullInvoke = true;
            invokeCreateHooks(vnode, insertedVnodeQueue);
            break
          }
        }
        if (!fullInvoke && data['class']) {
          // ensure collecting deps for deep class bindings for future updates
          traverse(data['class']);
        }
      }
    } else if (elm.data !== vnode.text) {
      elm.data = vnode.text;
    }
    return true
  }

  function assertNodeMatch (node, vnode, inVPre) {
    if (isDef(vnode.tag)) {
      return vnode.tag.indexOf('vue-component') === 0 || (
        !isUnknownElement$$1(vnode, inVPre) &&
        vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())
      )
    } else {
      return node.nodeType === (vnode.isComment ? 8 : 3)
    }
  }

  return function patch (oldVnode, vnode, hydrating, removeOnly) {
    if (isUndef(vnode)) {
      if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }
      return
    }

    var isInitialPatch = false;
    var insertedVnodeQueue = [];

    if (isUndef(oldVnode)) {
      // empty mount (likely as component), create new root element
      isInitialPatch = true;
      createElm(vnode, insertedVnodeQueue);
    } else {
      var isRealElement = isDef(oldVnode.nodeType);
      if (!isRealElement && sameVnode(oldVnode, vnode)) {
        // patch existing root node
        patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
      } else {
        if (isRealElement) {
          // mounting to a real element
          // check if this is server-rendered content and if we can perform
          // a successful hydration.
          if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
            oldVnode.removeAttribute(SSR_ATTR);
            hydrating = true;
          }
          if (isTrue(hydrating)) {
            if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
              invokeInsertHook(vnode, insertedVnodeQueue, true);
              return oldVnode
            } else {
              warn(
                'The client-side rendered virtual DOM tree is not matching ' +
                'server-rendered content. This is likely caused by incorrect ' +
                'HTML markup, for example nesting block-level elements inside ' +
                '<p>, or missing <tbody>. Bailing hydration and performing ' +
                'full client-side render.'
              );
            }
          }
          // either not server-rendered, or hydration failed.
          // create an empty node and replace it
          oldVnode = emptyNodeAt(oldVnode);
        }

        // replacing existing element
        var oldElm = oldVnode.elm;
        var parentElm = nodeOps.parentNode(oldElm);

        // create new node
        createElm(
          vnode,
          insertedVnodeQueue,
          // extremely rare edge case: do not insert if old element is in a
          // leaving transition. Only happens when combining transition +
          // keep-alive + HOCs. (#4590)
          oldElm._leaveCb ? null : parentElm,
          nodeOps.nextSibling(oldElm)
        );

        // update parent placeholder node element, recursively
        if (isDef(vnode.parent)) {
          var ancestor = vnode.parent;
          var patchable = isPatchable(vnode);
          while (ancestor) {
            for (var i = 0; i < cbs.destroy.length; ++i) {
              cbs.destroy[i](ancestor);
            }
            ancestor.elm = vnode.elm;
            if (patchable) {
              for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
                cbs.create[i$1](emptyNode, ancestor);
              }
              // #6513
              // invoke insert hooks that may have been merged by create hooks.
              // e.g. for directives that uses the "inserted" hook.
              var insert = ancestor.data.hook.insert;
              if (insert.merged) {
                // start at index 1 to avoid re-invoking component mounted hook
                for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {
                  insert.fns[i$2]();
                }
              }
            } else {
              registerRef(ancestor);
            }
            ancestor = ancestor.parent;
          }
        }

        // destroy old node
        if (isDef(parentElm)) {
          removeVnodes([oldVnode], 0, 0);
        } else if (isDef(oldVnode.tag)) {
          invokeDestroyHook(oldVnode);
        }
      }
    }

    invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
    return vnode.elm
  }
}

/*  */

var directives = {
  create: updateDirectives,
  update: updateDirectives,
  destroy: function unbindDirectives (vnode) {
    updateDirectives(vnode, emptyNode);
  }
};

function updateDirectives (oldVnode, vnode) {
  if (oldVnode.data.directives || vnode.data.directives) {
    _update(oldVnode, vnode);
  }
}

function _update (oldVnode, vnode) {
  var isCreate = oldVnode === emptyNode;
  var isDestroy = vnode === emptyNode;
  var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
  var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);

  var dirsWithInsert = [];
  var dirsWithPostpatch = [];

  var key, oldDir, dir;
  for (key in newDirs) {
    oldDir = oldDirs[key];
    dir = newDirs[key];
    if (!oldDir) {
      // new directive, bind
      callHook$1(dir, 'bind', vnode, oldVnode);
      if (dir.def && dir.def.inserted) {
        dirsWithInsert.push(dir);
      }
    } else {
      // existing directive, update
      dir.oldValue = oldDir.value;
      dir.oldArg = oldDir.arg;
      callHook$1(dir, 'update', vnode, oldVnode);
      if (dir.def && dir.def.componentUpdated) {
        dirsWithPostpatch.push(dir);
      }
    }
  }

  if (dirsWithInsert.length) {
    var callInsert = function () {
      for (var i = 0; i < dirsWithInsert.length; i++) {
        callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
      }
    };
    if (isCreate) {
      mergeVNodeHook(vnode, 'insert', callInsert);
    } else {
      callInsert();
    }
  }

  if (dirsWithPostpatch.length) {
    mergeVNodeHook(vnode, 'postpatch', function () {
      for (var i = 0; i < dirsWithPostpatch.length; i++) {
        callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
      }
    });
  }

  if (!isCreate) {
    for (key in oldDirs) {
      if (!newDirs[key]) {
        // no longer present, unbind
        callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
      }
    }
  }
}

var emptyModifiers = Object.create(null);

function normalizeDirectives$1 (
  dirs,
  vm
) {
  var res = Object.create(null);
  if (!dirs) {
    // $flow-disable-line
    return res
  }
  var i, dir;
  for (i = 0; i < dirs.length; i++) {
    dir = dirs[i];
    if (!dir.modifiers) {
      // $flow-disable-line
      dir.modifiers = emptyModifiers;
    }
    res[getRawDirName(dir)] = dir;
    dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);
  }
  // $flow-disable-line
  return res
}

function getRawDirName (dir) {
  return dir.rawName || ((dir.name) + "." + (Object.keys(dir.modifiers || {}).join('.')))
}

function callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {
  var fn = dir.def && dir.def[hook];
  if (fn) {
    try {
      fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
    } catch (e) {
      handleError(e, vnode.context, ("directive " + (dir.name) + " " + hook + " hook"));
    }
  }
}

var baseModules = [
  ref,
  directives
];

/*  */

function updateAttrs (oldVnode, vnode) {
  var opts = vnode.componentOptions;
  if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
    return
  }
  if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
    return
  }
  var key, cur, old;
  var elm = vnode.elm;
  var oldAttrs = oldVnode.data.attrs || {};
  var attrs = vnode.data.attrs || {};
  // clone observed objects, as the user probably wants to mutate it
  if (isDef(attrs.__ob__)) {
    attrs = vnode.data.attrs = extend({}, attrs);
  }

  for (key in attrs) {
    cur = attrs[key];
    old = oldAttrs[key];
    if (old !== cur) {
      setAttr(elm, key, cur);
    }
  }
  // #4391: in IE9, setting type can reset value for input[type=radio]
  // #6666: IE/Edge forces progress value down to 1 before setting a max
  /* istanbul ignore if */
  if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
    setAttr(elm, 'value', attrs.value);
  }
  for (key in oldAttrs) {
    if (isUndef(attrs[key])) {
      if (isXlink(key)) {
        elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
      } else if (!isEnumeratedAttr(key)) {
        elm.removeAttribute(key);
      }
    }
  }
}

function setAttr (el, key, value) {
  if (el.tagName.indexOf('-') > -1) {
    baseSetAttr(el, key, value);
  } else if (isBooleanAttr(key)) {
    // set attribute for blank value
    // e.g. <option disabled>Select one</option>
    if (isFalsyAttrValue(value)) {
      el.removeAttribute(key);
    } else {
      // technically allowfullscreen is a boolean attribute for <iframe>,
      // but Flash expects a value of "true" when used on <embed> tag
      value = key === 'allowfullscreen' && el.tagName === 'EMBED'
        ? 'true'
        : key;
      el.setAttribute(key, value);
    }
  } else if (isEnumeratedAttr(key)) {
    el.setAttribute(key, convertEnumeratedValue(key, value));
  } else if (isXlink(key)) {
    if (isFalsyAttrValue(value)) {
      el.removeAttributeNS(xlinkNS, getXlinkProp(key));
    } else {
      el.setAttributeNS(xlinkNS, key, value);
    }
  } else {
    baseSetAttr(el, key, value);
  }
}

function baseSetAttr (el, key, value) {
  if (isFalsyAttrValue(value)) {
    el.removeAttribute(key);
  } else {
    // #7138: IE10 & 11 fires input event when setting placeholder on
    // <textarea>... block the first input event and remove the blocker
    // immediately.
    /* istanbul ignore if */
    if (
      isIE && !isIE9 &&
      el.tagName === 'TEXTAREA' &&
      key === 'placeholder' && value !== '' && !el.__ieph
    ) {
      var blocker = function (e) {
        e.stopImmediatePropagation();
        el.removeEventListener('input', blocker);
      };
      el.addEventListener('input', blocker);
      // $flow-disable-line
      el.__ieph = true; /* IE placeholder patched */
    }
    el.setAttribute(key, value);
  }
}

var attrs = {
  create: updateAttrs,
  update: updateAttrs
};

/*  */

function updateClass (oldVnode, vnode) {
  var el = vnode.elm;
  var data = vnode.data;
  var oldData = oldVnode.data;
  if (
    isUndef(data.staticClass) &&
    isUndef(data.class) && (
      isUndef(oldData) || (
        isUndef(oldData.staticClass) &&
        isUndef(oldData.class)
      )
    )
  ) {
    return
  }

  var cls = genClassForVnode(vnode);

  // handle transition classes
  var transitionClass = el._transitionClasses;
  if (isDef(transitionClass)) {
    cls = concat(cls, stringifyClass(transitionClass));
  }

  // set the class
  if (cls !== el._prevClass) {
    el.setAttribute('class', cls);
    el._prevClass = cls;
  }
}

var klass = {
  create: updateClass,
  update: updateClass
};

/*  */

var validDivisionCharRE = /[\w).+\-_$\]]/;

function parseFilters (exp) {
  var inSingle = false;
  var inDouble = false;
  var inTemplateString = false;
  var inRegex = false;
  var curly = 0;
  var square = 0;
  var paren = 0;
  var lastFilterIndex = 0;
  var c, prev, i, expression, filters;

  for (i = 0; i < exp.length; i++) {
    prev = c;
    c = exp.charCodeAt(i);
    if (inSingle) {
      if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
    } else if (inDouble) {
      if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
    } else if (inTemplateString) {
      if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
    } else if (inRegex) {
      if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
    } else if (
      c === 0x7C && // pipe
      exp.charCodeAt(i + 1) !== 0x7C &&
      exp.charCodeAt(i - 1) !== 0x7C &&
      !curly && !square && !paren
    ) {
      if (expression === undefined) {
        // first filter, end of expression
        lastFilterIndex = i + 1;
        expression = exp.slice(0, i).trim();
      } else {
        pushFilter();
      }
    } else {
      switch (c) {
        case 0x22: inDouble = true; break         // "
        case 0x27: inSingle = true; break         // '
        case 0x60: inTemplateString = true; break // `
        case 0x28: paren++; break                 // (
        case 0x29: paren--; break                 // )
        case 0x5B: square++; break                // [
        case 0x5D: square--; break                // ]
        case 0x7B: curly++; break                 // {
        case 0x7D: curly--; break                 // }
      }
      if (c === 0x2f) { // /
        var j = i - 1;
        var p = (void 0);
        // find first non-whitespace prev char
        for (; j >= 0; j--) {
          p = exp.charAt(j);
          if (p !== ' ') { break }
        }
        if (!p || !validDivisionCharRE.test(p)) {
          inRegex = true;
        }
      }
    }
  }

  if (expression === undefined) {
    expression = exp.slice(0, i).trim();
  } else if (lastFilterIndex !== 0) {
    pushFilter();
  }

  function pushFilter () {
    (filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
    lastFilterIndex = i + 1;
  }

  if (filters) {
    for (i = 0; i < filters.length; i++) {
      expression = wrapFilter(expression, filters[i]);
    }
  }

  return expression
}

function wrapFilter (exp, filter) {
  var i = filter.indexOf('(');
  if (i < 0) {
    // _f: resolveFilter
    return ("_f(\"" + filter + "\")(" + exp + ")")
  } else {
    var name = filter.slice(0, i);
    var args = filter.slice(i + 1);
    return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args))
  }
}

/*  */



/* eslint-disable no-unused-vars */
function baseWarn (msg, range) {
  console.error(("[Vue compiler]: " + msg));
}
/* eslint-enable no-unused-vars */

function pluckModuleFunction (
  modules,
  key
) {
  return modules
    ? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
    : []
}

function addProp (el, name, value, range, dynamic) {
  (el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
  el.plain = false;
}

function addAttr (el, name, value, range, dynamic) {
  var attrs = dynamic
    ? (el.dynamicAttrs || (el.dynamicAttrs = []))
    : (el.attrs || (el.attrs = []));
  attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
  el.plain = false;
}

// add a raw attr (use this in preTransforms)
function addRawAttr (el, name, value, range) {
  el.attrsMap[name] = value;
  el.attrsList.push(rangeSetItem({ name: name, value: value }, range));
}

function addDirective (
  el,
  name,
  rawName,
  value,
  arg,
  isDynamicArg,
  modifiers,
  range
) {
  (el.directives || (el.directives = [])).push(rangeSetItem({
    name: name,
    rawName: rawName,
    value: value,
    arg: arg,
    isDynamicArg: isDynamicArg,
    modifiers: modifiers
  }, range));
  el.plain = false;
}

function prependModifierMarker (symbol, name, dynamic) {
  return dynamic
    ? ("_p(" + name + ",\"" + symbol + "\")")
    : symbol + name // mark the event as captured
}

function addHandler (
  el,
  name,
  value,
  modifiers,
  important,
  warn,
  range,
  dynamic
) {
  modifiers = modifiers || emptyObject;
  // warn prevent and passive modifier
  /* istanbul ignore if */
  if (
    warn &&
    modifiers.prevent && modifiers.passive
  ) {
    warn(
      'passive and prevent can\'t be used together. ' +
      'Passive handler can\'t prevent default event.',
      range
    );
  }

  // normalize click.right and click.middle since they don't actually fire
  // this is technically browser-specific, but at least for now browsers are
  // the only target envs that have right/middle clicks.
  if (modifiers.right) {
    if (dynamic) {
      name = "(" + name + ")==='click'?'contextmenu':(" + name + ")";
    } else if (name === 'click') {
      name = 'contextmenu';
      delete modifiers.right;
    }
  } else if (modifiers.middle) {
    if (dynamic) {
      name = "(" + name + ")==='click'?'mouseup':(" + name + ")";
    } else if (name === 'click') {
      name = 'mouseup';
    }
  }

  // check capture modifier
  if (modifiers.capture) {
    delete modifiers.capture;
    name = prependModifierMarker('!', name, dynamic);
  }
  if (modifiers.once) {
    delete modifiers.once;
    name = prependModifierMarker('~', name, dynamic);
  }
  /* istanbul ignore if */
  if (modifiers.passive) {
    delete modifiers.passive;
    name = prependModifierMarker('&', name, dynamic);
  }

  var events;
  if (modifiers.native) {
    delete modifiers.native;
    events = el.nativeEvents || (el.nativeEvents = {});
  } else {
    events = el.events || (el.events = {});
  }

  var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);
  if (modifiers !== emptyObject) {
    newHandler.modifiers = modifiers;
  }

  var handlers = events[name];
  /* istanbul ignore if */
  if (Array.isArray(handlers)) {
    important ? handlers.unshift(newHandler) : handlers.push(newHandler);
  } else if (handlers) {
    events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
  } else {
    events[name] = newHandler;
  }

  el.plain = false;
}

function getRawBindingAttr (
  el,
  name
) {
  return el.rawAttrsMap[':' + name] ||
    el.rawAttrsMap['v-bind:' + name] ||
    el.rawAttrsMap[name]
}

function getBindingAttr (
  el,
  name,
  getStatic
) {
  var dynamicValue =
    getAndRemoveAttr(el, ':' + name) ||
    getAndRemoveAttr(el, 'v-bind:' + name);
  if (dynamicValue != null) {
    return parseFilters(dynamicValue)
  } else if (getStatic !== false) {
    var staticValue = getAndRemoveAttr(el, name);
    if (staticValue != null) {
      return JSON.stringify(staticValue)
    }
  }
}

// note: this only removes the attr from the Array (attrsList) so that it
// doesn't get processed by processAttrs.
// By default it does NOT remove it from the map (attrsMap) because the map is
// needed during codegen.
function getAndRemoveAttr (
  el,
  name,
  removeFromMap
) {
  var val;
  if ((val = el.attrsMap[name]) != null) {
    var list = el.attrsList;
    for (var i = 0, l = list.length; i < l; i++) {
      if (list[i].name === name) {
        list.splice(i, 1);
        break
      }
    }
  }
  if (removeFromMap) {
    delete el.attrsMap[name];
  }
  return val
}

function getAndRemoveAttrByRegex (
  el,
  name
) {
  var list = el.attrsList;
  for (var i = 0, l = list.length; i < l; i++) {
    var attr = list[i];
    if (name.test(attr.name)) {
      list.splice(i, 1);
      return attr
    }
  }
}

function rangeSetItem (
  item,
  range
) {
  if (range) {
    if (range.start != null) {
      item.start = range.start;
    }
    if (range.end != null) {
      item.end = range.end;
    }
  }
  return item
}

/*  */

/**
 * Cross-platform code generation for component v-model
 */
function genComponentModel (
  el,
  value,
  modifiers
) {
  var ref = modifiers || {};
  var number = ref.number;
  var trim = ref.trim;

  var baseValueExpression = '$$v';
  var valueExpression = baseValueExpression;
  if (trim) {
    valueExpression =
      "(typeof " + baseValueExpression + " === 'string'" +
      "? " + baseValueExpression + ".trim()" +
      ": " + baseValueExpression + ")";
  }
  if (number) {
    valueExpression = "_n(" + valueExpression + ")";
  }
  var assignment = genAssignmentCode(value, valueExpression);

  el.model = {
    value: ("(" + value + ")"),
    expression: JSON.stringify(value),
    callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
  };
}

/**
 * Cross-platform codegen helper for generating v-model value assignment code.
 */
function genAssignmentCode (
  value,
  assignment
) {
  var res = parseModel(value);
  if (res.key === null) {
    return (value + "=" + assignment)
  } else {
    return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
  }
}

/**
 * Parse a v-model expression into a base path and a final key segment.
 * Handles both dot-path and possible square brackets.
 *
 * Possible cases:
 *
 * - test
 * - test[key]
 * - test[test1[key]]
 * - test["a"][key]
 * - xxx.test[a[a].test1[key]]
 * - test.xxx.a["asa"][test1[key]]
 *
 */

var len, str, chr, index$1, expressionPos, expressionEndPos;



function parseModel (val) {
  // Fix https://github.com/vuejs/vue/pull/7730
  // allow v-model="obj.val " (trailing whitespace)
  val = val.trim();
  len = val.length;

  if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
    index$1 = val.lastIndexOf('.');
    if (index$1 > -1) {
      return {
        exp: val.slice(0, index$1),
        key: '"' + val.slice(index$1 + 1) + '"'
      }
    } else {
      return {
        exp: val,
        key: null
      }
    }
  }

  str = val;
  index$1 = expressionPos = expressionEndPos = 0;

  while (!eof()) {
    chr = next();
    /* istanbul ignore if */
    if (isStringStart(chr)) {
      parseString(chr);
    } else if (chr === 0x5B) {
      parseBracket(chr);
    }
  }

  return {
    exp: val.slice(0, expressionPos),
    key: val.slice(expressionPos + 1, expressionEndPos)
  }
}

function next () {
  return str.charCodeAt(++index$1)
}

function eof () {
  return index$1 >= len
}

function isStringStart (chr) {
  return chr === 0x22 || chr === 0x27
}

function parseBracket (chr) {
  var inBracket = 1;
  expressionPos = index$1;
  while (!eof()) {
    chr = next();
    if (isStringStart(chr)) {
      parseString(chr);
      continue
    }
    if (chr === 0x5B) { inBracket++; }
    if (chr === 0x5D) { inBracket--; }
    if (inBracket === 0) {
      expressionEndPos = index$1;
      break
    }
  }
}

function parseString (chr) {
  var stringQuote = chr;
  while (!eof()) {
    chr = next();
    if (chr === stringQuote) {
      break
    }
  }
}

/*  */

var warn$1;

// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
var RANGE_TOKEN = '__r';
var CHECKBOX_RADIO_TOKEN = '__c';

function model (
  el,
  dir,
  _warn
) {
  warn$1 = _warn;
  var value = dir.value;
  var modifiers = dir.modifiers;
  var tag = el.tag;
  var type = el.attrsMap.type;

  {
    // inputs with type="file" are read only and setting the input's
    // value will throw an error.
    if (tag === 'input' && type === 'file') {
      warn$1(
        "<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
        "File inputs are read only. Use a v-on:change listener instead.",
        el.rawAttrsMap['v-model']
      );
    }
  }

  if (el.component) {
    genComponentModel(el, value, modifiers);
    // component v-model doesn't need extra runtime
    return false
  } else if (tag === 'select') {
    genSelect(el, value, modifiers);
  } else if (tag === 'input' && type === 'checkbox') {
    genCheckboxModel(el, value, modifiers);
  } else if (tag === 'input' && type === 'radio') {
    genRadioModel(el, value, modifiers);
  } else if (tag === 'input' || tag === 'textarea') {
    genDefaultModel(el, value, modifiers);
  } else if (!config.isReservedTag(tag)) {
    genComponentModel(el, value, modifiers);
    // component v-model doesn't need extra runtime
    return false
  } else {
    warn$1(
      "<" + (el.tag) + " v-model=\"" + value + "\">: " +
      "v-model is not supported on this element type. " +
      'If you are working with contenteditable, it\'s recommended to ' +
      'wrap a library dedicated for that purpose inside a custom component.',
      el.rawAttrsMap['v-model']
    );
  }

  // ensure runtime directive metadata
  return true
}

function genCheckboxModel (
  el,
  value,
  modifiers
) {
  var number = modifiers && modifiers.number;
  var valueBinding = getBindingAttr(el, 'value') || 'null';
  var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
  var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
  addProp(el, 'checked',
    "Array.isArray(" + value + ")" +
    "?_i(" + value + "," + valueBinding + ")>-1" + (
      trueValueBinding === 'true'
        ? (":(" + value + ")")
        : (":_q(" + value + "," + trueValueBinding + ")")
    )
  );
  addHandler(el, 'change',
    "var $$a=" + value + "," +
        '$$el=$event.target,' +
        "$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
    'if(Array.isArray($$a)){' +
      "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
          '$$i=_i($$a,$$v);' +
      "if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" +
      "else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" +
    "}else{" + (genAssignmentCode(value, '$$c')) + "}",
    null, true
  );
}

function genRadioModel (
  el,
  value,
  modifiers
) {
  var number = modifiers && modifiers.number;
  var valueBinding = getBindingAttr(el, 'value') || 'null';
  valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
  addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
  addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
}

function genSelect (
  el,
  value,
  modifiers
) {
  var number = modifiers && modifiers.number;
  var selectedVal = "Array.prototype.filter" +
    ".call($event.target.options,function(o){return o.selected})" +
    ".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
    "return " + (number ? '_n(val)' : 'val') + "})";

  var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
  var code = "var $$selectedVal = " + selectedVal + ";";
  code = code + " " + (genAssignmentCode(value, assignment));
  addHandler(el, 'change', code, null, true);
}

function genDefaultModel (
  el,
  value,
  modifiers
) {
  var type = el.attrsMap.type;

  // warn if v-bind:value conflicts with v-model
  // except for inputs with v-bind:type
  {
    var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
    var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
    if (value$1 && !typeBinding) {
      var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
      warn$1(
        binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " +
        'because the latter already expands to a value binding internally',
        el.rawAttrsMap[binding]
      );
    }
  }

  var ref = modifiers || {};
  var lazy = ref.lazy;
  var number = ref.number;
  var trim = ref.trim;
  var needCompositionGuard = !lazy && type !== 'range';
  var event = lazy
    ? 'change'
    : type === 'range'
      ? RANGE_TOKEN
      : 'input';

  var valueExpression = '$event.target.value';
  if (trim) {
    valueExpression = "$event.target.value.trim()";
  }
  if (number) {
    valueExpression = "_n(" + valueExpression + ")";
  }

  var code = genAssignmentCode(value, valueExpression);
  if (needCompositionGuard) {
    code = "if($event.target.composing)return;" + code;
  }

  addProp(el, 'value', ("(" + value + ")"));
  addHandler(el, event, code, null, true);
  if (trim || number) {
    addHandler(el, 'blur', '$forceUpdate()');
  }
}

/*  */

// normalize v-model event tokens that can only be determined at runtime.
// it's important to place the event as the first in the array because
// the whole point is ensuring the v-model callback gets called before
// user-attached handlers.
function normalizeEvents (on) {
  /* istanbul ignore if */
  if (isDef(on[RANGE_TOKEN])) {
    // IE input[type=range] only supports `change` event
    var event = isIE ? 'change' : 'input';
    on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
    delete on[RANGE_TOKEN];
  }
  // This was originally intended to fix #4521 but no longer necessary
  // after 2.5. Keeping it for backwards compat with generated code from < 2.4
  /* istanbul ignore if */
  if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
    on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
    delete on[CHECKBOX_RADIO_TOKEN];
  }
}

var target$1;

function createOnceHandler$1 (event, handler, capture) {
  var _target = target$1; // save current target element in closure
  return function onceHandler () {
    var res = handler.apply(null, arguments);
    if (res !== null) {
      remove$2(event, onceHandler, capture, _target);
    }
  }
}

// #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
// implementation and does not fire microtasks in between event propagation, so
// safe to exclude.
var useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);

function add$1 (
  name,
  handler,
  capture,
  passive
) {
  // async edge case #6566: inner click event triggers patch, event handler
  // attached to outer element during patch, and triggered again. This
  // happens because browsers fire microtask ticks between event propagation.
  // the solution is simple: we save the timestamp when a handler is attached,
  // and the handler would only fire if the event passed to it was fired
  // AFTER it was attached.
  if (useMicrotaskFix) {
    var attachedTimestamp = currentFlushTimestamp;
    var original = handler;
    handler = original._wrapper = function (e) {
      if (
        // no bubbling, should always fire.
        // this is just a safety net in case event.timeStamp is unreliable in
        // certain weird environments...
        e.target === e.currentTarget ||
        // event is fired after handler attachment
        e.timeStamp >= attachedTimestamp ||
        // bail for environments that have buggy event.timeStamp implementations
        // #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
        // #9681 QtWebEngine event.timeStamp is negative value
        e.timeStamp <= 0 ||
        // #9448 bail if event is fired in another document in a multi-page
        // electron/nw.js app, since event.timeStamp will be using a different
        // starting reference
        e.target.ownerDocument !== document
      ) {
        return original.apply(this, arguments)
      }
    };
  }
  target$1.addEventListener(
    name,
    handler,
    supportsPassive
      ? { capture: capture, passive: passive }
      : capture
  );
}

function remove$2 (
  name,
  handler,
  capture,
  _target
) {
  (_target || target$1).removeEventListener(
    name,
    handler._wrapper || handler,
    capture
  );
}

function updateDOMListeners (oldVnode, vnode) {
  if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
    return
  }
  var on = vnode.data.on || {};
  var oldOn = oldVnode.data.on || {};
  target$1 = vnode.elm;
  normalizeEvents(on);
  updateListeners(on, oldOn, add$1, remove$2, createOnceHandler$1, vnode.context);
  target$1 = undefined;
}

var events = {
  create: updateDOMListeners,
  update: updateDOMListeners
};

/*  */

var svgContainer;

function updateDOMProps (oldVnode, vnode) {
  if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
    return
  }
  var key, cur;
  var elm = vnode.elm;
  var oldProps = oldVnode.data.domProps || {};
  var props = vnode.data.domProps || {};
  // clone observed objects, as the user probably wants to mutate it
  if (isDef(props.__ob__)) {
    props = vnode.data.domProps = extend({}, props);
  }

  for (key in oldProps) {
    if (!(key in props)) {
      elm[key] = '';
    }
  }

  for (key in props) {
    cur = props[key];
    // ignore children if the node has textContent or innerHTML,
    // as these will throw away existing DOM nodes and cause removal errors
    // on subsequent patches (#3360)
    if (key === 'textContent' || key === 'innerHTML') {
      if (vnode.children) { vnode.children.length = 0; }
      if (cur === oldProps[key]) { continue }
      // #6601 work around Chrome version <= 55 bug where single textNode
      // replaced by innerHTML/textContent retains its parentNode property
      if (elm.childNodes.length === 1) {
        elm.removeChild(elm.childNodes[0]);
      }
    }

    if (key === 'value' && elm.tagName !== 'PROGRESS') {
      // store value as _value as well since
      // non-string values will be stringified
      elm._value = cur;
      // avoid resetting cursor position when value is the same
      var strCur = isUndef(cur) ? '' : String(cur);
      if (shouldUpdateValue(elm, strCur)) {
        elm.value = strCur;
      }
    } else if (key === 'innerHTML' && isSVG(elm.tagName) && isUndef(elm.innerHTML)) {
      // IE doesn't support innerHTML for SVG elements
      svgContainer = svgContainer || document.createElement('div');
      svgContainer.innerHTML = "<svg>" + cur + "</svg>";
      var svg = svgContainer.firstChild;
      while (elm.firstChild) {
        elm.removeChild(elm.firstChild);
      }
      while (svg.firstChild) {
        elm.appendChild(svg.firstChild);
      }
    } else if (
      // skip the update if old and new VDOM state is the same.
      // `value` is handled separately because the DOM value may be temporarily
      // out of sync with VDOM state due to focus, composition and modifiers.
      // This  #4521 by skipping the unnecessary `checked` update.
      cur !== oldProps[key]
    ) {
      // some property updates can throw
      // e.g. `value` on <progress> w/ non-finite value
      try {
        elm[key] = cur;
      } catch (e) {}
    }
  }
}

// check platforms/web/util/attrs.js acceptValue


function shouldUpdateValue (elm, checkVal) {
  return (!elm.composing && (
    elm.tagName === 'OPTION' ||
    isNotInFocusAndDirty(elm, checkVal) ||
    isDirtyWithModifiers(elm, checkVal)
  ))
}

function isNotInFocusAndDirty (elm, checkVal) {
  // return true when textbox (.number and .trim) loses focus and its value is
  // not equal to the updated value
  var notInFocus = true;
  // #6157
  // work around IE bug when accessing document.activeElement in an iframe
  try { notInFocus = document.activeElement !== elm; } catch (e) {}
  return notInFocus && elm.value !== checkVal
}

function isDirtyWithModifiers (elm, newVal) {
  var value = elm.value;
  var modifiers = elm._vModifiers; // injected by v-model runtime
  if (isDef(modifiers)) {
    if (modifiers.number) {
      return toNumber(value) !== toNumber(newVal)
    }
    if (modifiers.trim) {
      return value.trim() !== newVal.trim()
    }
  }
  return value !== newVal
}

var domProps = {
  create: updateDOMProps,
  update: updateDOMProps
};

/*  */

var parseStyleText = cached(function (cssText) {
  var res = {};
  var listDelimiter = /;(?![^(]*\))/g;
  var propertyDelimiter = /:(.+)/;
  cssText.split(listDelimiter).forEach(function (item) {
    if (item) {
      var tmp = item.split(propertyDelimiter);
      tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
    }
  });
  return res
});

// merge static and dynamic style data on the same vnode
function normalizeStyleData (data) {
  var style = normalizeStyleBinding(data.style);
  // static style is pre-processed into an object during compilation
  // and is always a fresh object, so it's safe to merge into it
  return data.staticStyle
    ? extend(data.staticStyle, style)
    : style
}

// normalize possible array / string values into Object
function normalizeStyleBinding (bindingStyle) {
  if (Array.isArray(bindingStyle)) {
    return toObject(bindingStyle)
  }
  if (typeof bindingStyle === 'string') {
    return parseStyleText(bindingStyle)
  }
  return bindingStyle
}

/**
 * parent component style should be after child's
 * so that parent component's style could override it
 */
function getStyle (vnode, checkChild) {
  var res = {};
  var styleData;

  if (checkChild) {
    var childNode = vnode;
    while (childNode.componentInstance) {
      childNode = childNode.componentInstance._vnode;
      if (
        childNode && childNode.data &&
        (styleData = normalizeStyleData(childNode.data))
      ) {
        extend(res, styleData);
      }
    }
  }

  if ((styleData = normalizeStyleData(vnode.data))) {
    extend(res, styleData);
  }

  var parentNode = vnode;
  while ((parentNode = parentNode.parent)) {
    if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
      extend(res, styleData);
    }
  }
  return res
}

/*  */

var cssVarRE = /^--/;
var importantRE = /\s*!important$/;
var setProp = function (el, name, val) {
  /* istanbul ignore if */
  if (cssVarRE.test(name)) {
    el.style.setProperty(name, val);
  } else if (importantRE.test(val)) {
    el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
  } else {
    var normalizedName = normalize(name);
    if (Array.isArray(val)) {
      // Support values array created by autoprefixer, e.g.
      // {display: ["-webkit-box", "-ms-flexbox", "flex"]}
      // Set them one by one, and the browser will only set those it can recognize
      for (var i = 0, len = val.length; i < len; i++) {
        el.style[normalizedName] = val[i];
      }
    } else {
      el.style[normalizedName] = val;
    }
  }
};

var vendorNames = ['Webkit', 'Moz', 'ms'];

var emptyStyle;
var normalize = cached(function (prop) {
  emptyStyle = emptyStyle || document.createElement('div').style;
  prop = camelize(prop);
  if (prop !== 'filter' && (prop in emptyStyle)) {
    return prop
  }
  var capName = prop.charAt(0).toUpperCase() + prop.slice(1);
  for (var i = 0; i < vendorNames.length; i++) {
    var name = vendorNames[i] + capName;
    if (name in emptyStyle) {
      return name
    }
  }
});

function updateStyle (oldVnode, vnode) {
  var data = vnode.data;
  var oldData = oldVnode.data;

  if (isUndef(data.staticStyle) && isUndef(data.style) &&
    isUndef(oldData.staticStyle) && isUndef(oldData.style)
  ) {
    return
  }

  var cur, name;
  var el = vnode.elm;
  var oldStaticStyle = oldData.staticStyle;
  var oldStyleBinding = oldData.normalizedStyle || oldData.style || {};

  // if static style exists, stylebinding already merged into it when doing normalizeStyleData
  var oldStyle = oldStaticStyle || oldStyleBinding;

  var style = normalizeStyleBinding(vnode.data.style) || {};

  // store normalized style under a different key for next diff
  // make sure to clone it if it's reactive, since the user likely wants
  // to mutate it.
  vnode.data.normalizedStyle = isDef(style.__ob__)
    ? extend({}, style)
    : style;

  var newStyle = getStyle(vnode, true);

  for (name in oldStyle) {
    if (isUndef(newStyle[name])) {
      setProp(el, name, '');
    }
  }
  for (name in newStyle) {
    cur = newStyle[name];
    if (cur !== oldStyle[name]) {
      // ie9 setting to null has no effect, must use empty string
      setProp(el, name, cur == null ? '' : cur);
    }
  }
}

var style = {
  create: updateStyle,
  update: updateStyle
};

/*  */

var whitespaceRE = /\s+/;

/**
 * Add class with compatibility for SVG since classList is not supported on
 * SVG elements in IE
 */
function addClass (el, cls) {
  /* istanbul ignore if */
  if (!cls || !(cls = cls.trim())) {
    return
  }

  /* istanbul ignore else */
  if (el.classList) {
    if (cls.indexOf(' ') > -1) {
      cls.split(whitespaceRE).forEach(function (c) { return el.classList.add(c); });
    } else {
      el.classList.add(cls);
    }
  } else {
    var cur = " " + (el.getAttribute('class') || '') + " ";
    if (cur.indexOf(' ' + cls + ' ') < 0) {
      el.setAttribute('class', (cur + cls).trim());
    }
  }
}

/**
 * Remove class with compatibility for SVG since classList is not supported on
 * SVG elements in IE
 */
function removeClass (el, cls) {
  /* istanbul ignore if */
  if (!cls || !(cls = cls.trim())) {
    return
  }

  /* istanbul ignore else */
  if (el.classList) {
    if (cls.indexOf(' ') > -1) {
      cls.split(whitespaceRE).forEach(function (c) { return el.classList.remove(c); });
    } else {
      el.classList.remove(cls);
    }
    if (!el.classList.length) {
      el.removeAttribute('class');
    }
  } else {
    var cur = " " + (el.getAttribute('class') || '') + " ";
    var tar = ' ' + cls + ' ';
    while (cur.indexOf(tar) >= 0) {
      cur = cur.replace(tar, ' ');
    }
    cur = cur.trim();
    if (cur) {
      el.setAttribute('class', cur);
    } else {
      el.removeAttribute('class');
    }
  }
}

/*  */

function resolveTransition (def$$1) {
  if (!def$$1) {
    return
  }
  /* istanbul ignore else */
  if (typeof def$$1 === 'object') {
    var res = {};
    if (def$$1.css !== false) {
      extend(res, autoCssTransition(def$$1.name || 'v'));
    }
    extend(res, def$$1);
    return res
  } else if (typeof def$$1 === 'string') {
    return autoCssTransition(def$$1)
  }
}

var autoCssTransition = cached(function (name) {
  return {
    enterClass: (name + "-enter"),
    enterToClass: (name + "-enter-to"),
    enterActiveClass: (name + "-enter-active"),
    leaveClass: (name + "-leave"),
    leaveToClass: (name + "-leave-to"),
    leaveActiveClass: (name + "-leave-active")
  }
});

var hasTransition = inBrowser && !isIE9;
var TRANSITION = 'transition';
var ANIMATION = 'animation';

// Transition property/event sniffing
var transitionProp = 'transition';
var transitionEndEvent = 'transitionend';
var animationProp = 'animation';
var animationEndEvent = 'animationend';
if (hasTransition) {
  /* istanbul ignore if */
  if (window.ontransitionend === undefined &&
    window.onwebkittransitionend !== undefined
  ) {
    transitionProp = 'WebkitTransition';
    transitionEndEvent = 'webkitTransitionEnd';
  }
  if (window.onanimationend === undefined &&
    window.onwebkitanimationend !== undefined
  ) {
    animationProp = 'WebkitAnimation';
    animationEndEvent = 'webkitAnimationEnd';
  }
}

// binding to window is necessary to make hot reload work in IE in strict mode
var raf = inBrowser
  ? window.requestAnimationFrame
    ? window.requestAnimationFrame.bind(window)
    : setTimeout
  : /* istanbul ignore next */ function (fn) { return fn(); };

function nextFrame (fn) {
  raf(function () {
    raf(fn);
  });
}

function addTransitionClass (el, cls) {
  var transitionClasses = el._transitionClasses || (el._transitionClasses = []);
  if (transitionClasses.indexOf(cls) < 0) {
    transitionClasses.push(cls);
    addClass(el, cls);
  }
}

function removeTransitionClass (el, cls) {
  if (el._transitionClasses) {
    remove(el._transitionClasses, cls);
  }
  removeClass(el, cls);
}

function whenTransitionEnds (
  el,
  expectedType,
  cb
) {
  var ref = getTransitionInfo(el, expectedType);
  var type = ref.type;
  var timeout = ref.timeout;
  var propCount = ref.propCount;
  if (!type) { return cb() }
  var event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
  var ended = 0;
  var end = function () {
    el.removeEventListener(event, onEnd);
    cb();
  };
  var onEnd = function (e) {
    if (e.target === el) {
      if (++ended >= propCount) {
        end();
      }
    }
  };
  setTimeout(function () {
    if (ended < propCount) {
      end();
    }
  }, timeout + 1);
  el.addEventListener(event, onEnd);
}

var transformRE = /\b(transform|all)(,|$)/;

function getTransitionInfo (el, expectedType) {
  var styles = window.getComputedStyle(el);
  // JSDOM may return undefined for transition properties
  var transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
  var transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
  var transitionTimeout = getTimeout(transitionDelays, transitionDurations);
  var animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
  var animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
  var animationTimeout = getTimeout(animationDelays, animationDurations);

  var type;
  var timeout = 0;
  var propCount = 0;
  /* istanbul ignore if */
  if (expectedType === TRANSITION) {
    if (transitionTimeout > 0) {
      type = TRANSITION;
      timeout = transitionTimeout;
      propCount = transitionDurations.length;
    }
  } else if (expectedType === ANIMATION) {
    if (animationTimeout > 0) {
      type = ANIMATION;
      timeout = animationTimeout;
      propCount = animationDurations.length;
    }
  } else {
    timeout = Math.max(transitionTimeout, animationTimeout);
    type = timeout > 0
      ? transitionTimeout > animationTimeout
        ? TRANSITION
        : ANIMATION
      : null;
    propCount = type
      ? type === TRANSITION
        ? transitionDurations.length
        : animationDurations.length
      : 0;
  }
  var hasTransform =
    type === TRANSITION &&
    transformRE.test(styles[transitionProp + 'Property']);
  return {
    type: type,
    timeout: timeout,
    propCount: propCount,
    hasTransform: hasTransform
  }
}

function getTimeout (delays, durations) {
  /* istanbul ignore next */
  while (delays.length < durations.length) {
    delays = delays.concat(delays);
  }

  return Math.max.apply(null, durations.map(function (d, i) {
    return toMs(d) + toMs(delays[i])
  }))
}

// Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
// in a locale-dependent way, using a comma instead of a dot.
// If comma is not replaced with a dot, the input will be rounded down (i.e. acting
// as a floor function) causing unexpected behaviors
function toMs (s) {
  return Number(s.slice(0, -1).replace(',', '.')) * 1000
}

/*  */

function enter (vnode, toggleDisplay) {
  var el = vnode.elm;

  // call leave callback now
  if (isDef(el._leaveCb)) {
    el._leaveCb.cancelled = true;
    el._leaveCb();
  }

  var data = resolveTransition(vnode.data.transition);
  if (isUndef(data)) {
    return
  }

  /* istanbul ignore if */
  if (isDef(el._enterCb) || el.nodeType !== 1) {
    return
  }

  var css = data.css;
  var type = data.type;
  var enterClass = data.enterClass;
  var enterToClass = data.enterToClass;
  var enterActiveClass = data.enterActiveClass;
  var appearClass = data.appearClass;
  var appearToClass = data.appearToClass;
  var appearActiveClass = data.appearActiveClass;
  var beforeEnter = data.beforeEnter;
  var enter = data.enter;
  var afterEnter = data.afterEnter;
  var enterCancelled = data.enterCancelled;
  var beforeAppear = data.beforeAppear;
  var appear = data.appear;
  var afterAppear = data.afterAppear;
  var appearCancelled = data.appearCancelled;
  var duration = data.duration;

  // activeInstance will always be the <transition> component managing this
  // transition. One edge case to check is when the <transition> is placed
  // as the root node of a child component. In that case we need to check
  // <transition>'s parent for appear check.
  var context = activeInstance;
  var transitionNode = activeInstance.$vnode;
  while (transitionNode && transitionNode.parent) {
    context = transitionNode.context;
    transitionNode = transitionNode.parent;
  }

  var isAppear = !context._isMounted || !vnode.isRootInsert;

  if (isAppear && !appear && appear !== '') {
    return
  }

  var startClass = isAppear && appearClass
    ? appearClass
    : enterClass;
  var activeClass = isAppear && appearActiveClass
    ? appearActiveClass
    : enterActiveClass;
  var toClass = isAppear && appearToClass
    ? appearToClass
    : enterToClass;

  var beforeEnterHook = isAppear
    ? (beforeAppear || beforeEnter)
    : beforeEnter;
  var enterHook = isAppear
    ? (typeof appear === 'function' ? appear : enter)
    : enter;
  var afterEnterHook = isAppear
    ? (afterAppear || afterEnter)
    : afterEnter;
  var enterCancelledHook = isAppear
    ? (appearCancelled || enterCancelled)
    : enterCancelled;

  var explicitEnterDuration = toNumber(
    isObject(duration)
      ? duration.enter
      : duration
  );

  if (explicitEnterDuration != null) {
    checkDuration(explicitEnterDuration, 'enter', vnode);
  }

  var expectsCSS = css !== false && !isIE9;
  var userWantsControl = getHookArgumentsLength(enterHook);

  var cb = el._enterCb = once(function () {
    if (expectsCSS) {
      removeTransitionClass(el, toClass);
      removeTransitionClass(el, activeClass);
    }
    if (cb.cancelled) {
      if (expectsCSS) {
        removeTransitionClass(el, startClass);
      }
      enterCancelledHook && enterCancelledHook(el);
    } else {
      afterEnterHook && afterEnterHook(el);
    }
    el._enterCb = null;
  });

  if (!vnode.data.show) {
    // remove pending leave element on enter by injecting an insert hook
    mergeVNodeHook(vnode, 'insert', function () {
      var parent = el.parentNode;
      var pendingNode = parent && parent._pending && parent._pending[vnode.key];
      if (pendingNode &&
        pendingNode.tag === vnode.tag &&
        pendingNode.elm._leaveCb
      ) {
        pendingNode.elm._leaveCb();
      }
      enterHook && enterHook(el, cb);
    });
  }

  // start enter transition
  beforeEnterHook && beforeEnterHook(el);
  if (expectsCSS) {
    addTransitionClass(el, startClass);
    addTransitionClass(el, activeClass);
    nextFrame(function () {
      removeTransitionClass(el, startClass);
      if (!cb.cancelled) {
        addTransitionClass(el, toClass);
        if (!userWantsControl) {
          if (isValidDuration(explicitEnterDuration)) {
            setTimeout(cb, explicitEnterDuration);
          } else {
            whenTransitionEnds(el, type, cb);
          }
        }
      }
    });
  }

  if (vnode.data.show) {
    toggleDisplay && toggleDisplay();
    enterHook && enterHook(el, cb);
  }

  if (!expectsCSS && !userWantsControl) {
    cb();
  }
}

function leave (vnode, rm) {
  var el = vnode.elm;

  // call enter callback now
  if (isDef(el._enterCb)) {
    el._enterCb.cancelled = true;
    el._enterCb();
  }

  var data = resolveTransition(vnode.data.transition);
  if (isUndef(data) || el.nodeType !== 1) {
    return rm()
  }

  /* istanbul ignore if */
  if (isDef(el._leaveCb)) {
    return
  }

  var css = data.css;
  var type = data.type;
  var leaveClass = data.leaveClass;
  var leaveToClass = data.leaveToClass;
  var leaveActiveClass = data.leaveActiveClass;
  var beforeLeave = data.beforeLeave;
  var leave = data.leave;
  var afterLeave = data.afterLeave;
  var leaveCancelled = data.leaveCancelled;
  var delayLeave = data.delayLeave;
  var duration = data.duration;

  var expectsCSS = css !== false && !isIE9;
  var userWantsControl = getHookArgumentsLength(leave);

  var explicitLeaveDuration = toNumber(
    isObject(duration)
      ? duration.leave
      : duration
  );

  if (isDef(explicitLeaveDuration)) {
    checkDuration(explicitLeaveDuration, 'leave', vnode);
  }

  var cb = el._leaveCb = once(function () {
    if (el.parentNode && el.parentNode._pending) {
      el.parentNode._pending[vnode.key] = null;
    }
    if (expectsCSS) {
      removeTransitionClass(el, leaveToClass);
      removeTransitionClass(el, leaveActiveClass);
    }
    if (cb.cancelled) {
      if (expectsCSS) {
        removeTransitionClass(el, leaveClass);
      }
      leaveCancelled && leaveCancelled(el);
    } else {
      rm();
      afterLeave && afterLeave(el);
    }
    el._leaveCb = null;
  });

  if (delayLeave) {
    delayLeave(performLeave);
  } else {
    performLeave();
  }

  function performLeave () {
    // the delayed leave may have already been cancelled
    if (cb.cancelled) {
      return
    }
    // record leaving element
    if (!vnode.data.show && el.parentNode) {
      (el.parentNode._pending || (el.parentNode._pending = {}))[(vnode.key)] = vnode;
    }
    beforeLeave && beforeLeave(el);
    if (expectsCSS) {
      addTransitionClass(el, leaveClass);
      addTransitionClass(el, leaveActiveClass);
      nextFrame(function () {
        removeTransitionClass(el, leaveClass);
        if (!cb.cancelled) {
          addTransitionClass(el, leaveToClass);
          if (!userWantsControl) {
            if (isValidDuration(explicitLeaveDuration)) {
              setTimeout(cb, explicitLeaveDuration);
            } else {
              whenTransitionEnds(el, type, cb);
            }
          }
        }
      });
    }
    leave && leave(el, cb);
    if (!expectsCSS && !userWantsControl) {
      cb();
    }
  }
}

// only used in dev mode
function checkDuration (val, name, vnode) {
  if (typeof val !== 'number') {
    warn(
      "<transition> explicit " + name + " duration is not a valid number - " +
      "got " + (JSON.stringify(val)) + ".",
      vnode.context
    );
  } else if (isNaN(val)) {
    warn(
      "<transition> explicit " + name + " duration is NaN - " +
      'the duration expression might be incorrect.',
      vnode.context
    );
  }
}

function isValidDuration (val) {
  return typeof val === 'number' && !isNaN(val)
}

/**
 * Normalize a transition hook's argument length. The hook may be:
 * - a merged hook (invoker) with the original in .fns
 * - a wrapped component method (check ._length)
 * - a plain function (.length)
 */
function getHookArgumentsLength (fn) {
  if (isUndef(fn)) {
    return false
  }
  var invokerFns = fn.fns;
  if (isDef(invokerFns)) {
    // invoker
    return getHookArgumentsLength(
      Array.isArray(invokerFns)
        ? invokerFns[0]
        : invokerFns
    )
  } else {
    return (fn._length || fn.length) > 1
  }
}

function _enter (_, vnode) {
  if (vnode.data.show !== true) {
    enter(vnode);
  }
}

var transition = inBrowser ? {
  create: _enter,
  activate: _enter,
  remove: function remove$$1 (vnode, rm) {
    /* istanbul ignore else */
    if (vnode.data.show !== true) {
      leave(vnode, rm);
    } else {
      rm();
    }
  }
} : {};

var platformModules = [
  attrs,
  klass,
  events,
  domProps,
  style,
  transition
];

/*  */

// the directive module should be applied last, after all
// built-in modules have been applied.
var modules = platformModules.concat(baseModules);

var patch = createPatchFunction({ nodeOps: nodeOps, modules: modules });

/**
 * Not type checking this file because flow doesn't like attaching
 * properties to Elements.
 */

/* istanbul ignore if */
if (isIE9) {
  // http://www.matts411.com/post/internet-explorer-9-oninput/
  document.addEventListener('selectionchange', function () {
    var el = document.activeElement;
    if (el && el.vmodel) {
      trigger(el, 'input');
    }
  });
}

var directive = {
  inserted: function inserted (el, binding, vnode, oldVnode) {
    if (vnode.tag === 'select') {
      // #6903
      if (oldVnode.elm && !oldVnode.elm._vOptions) {
        mergeVNodeHook(vnode, 'postpatch', function () {
          directive.componentUpdated(el, binding, vnode);
        });
      } else {
        setSelected(el, binding, vnode.context);
      }
      el._vOptions = [].map.call(el.options, getValue);
    } else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
      el._vModifiers = binding.modifiers;
      if (!binding.modifiers.lazy) {
        el.addEventListener('compositionstart', onCompositionStart);
        el.addEventListener('compositionend', onCompositionEnd);
        // Safari < 10.2 & UIWebView doesn't fire compositionend when
        // switching focus before confirming composition choice
        // this also fixes the issue where some browsers e.g. iOS Chrome
        // fires "change" instead of "input" on autocomplete.
        el.addEventListener('change', onCompositionEnd);
        /* istanbul ignore if */
        if (isIE9) {
          el.vmodel = true;
        }
      }
    }
  },

  componentUpdated: function componentUpdated (el, binding, vnode) {
    if (vnode.tag === 'select') {
      setSelected(el, binding, vnode.context);
      // in case the options rendered by v-for have changed,
      // it's possible that the value is out-of-sync with the rendered options.
      // detect such cases and filter out values that no longer has a matching
      // option in the DOM.
      var prevOptions = el._vOptions;
      var curOptions = el._vOptions = [].map.call(el.options, getValue);
      if (curOptions.some(function (o, i) { return !looseEqual(o, prevOptions[i]); })) {
        // trigger change event if
        // no matching option found for at least one value
        var needReset = el.multiple
          ? binding.value.some(function (v) { return hasNoMatchingOption(v, curOptions); })
          : binding.value !== binding.oldValue && hasNoMatchingOption(binding.value, curOptions);
        if (needReset) {
          trigger(el, 'change');
        }
      }
    }
  }
};

function setSelected (el, binding, vm) {
  actuallySetSelected(el, binding, vm);
  /* istanbul ignore if */
  if (isIE || isEdge) {
    setTimeout(function () {
      actuallySetSelected(el, binding, vm);
    }, 0);
  }
}

function actuallySetSelected (el, binding, vm) {
  var value = binding.value;
  var isMultiple = el.multiple;
  if (isMultiple && !Array.isArray(value)) {
    warn(
      "<select multiple v-model=\"" + (binding.expression) + "\"> " +
      "expects an Array value for its binding, but got " + (Object.prototype.toString.call(value).slice(8, -1)),
      vm
    );
    return
  }
  var selected, option;
  for (var i = 0, l = el.options.length; i < l; i++) {
    option = el.options[i];
    if (isMultiple) {
      selected = looseIndexOf(value, getValue(option)) > -1;
      if (option.selected !== selected) {
        option.selected = selected;
      }
    } else {
      if (looseEqual(getValue(option), value)) {
        if (el.selectedIndex !== i) {
          el.selectedIndex = i;
        }
        return
      }
    }
  }
  if (!isMultiple) {
    el.selectedIndex = -1;
  }
}

function hasNoMatchingOption (value, options) {
  return options.every(function (o) { return !looseEqual(o, value); })
}

function getValue (option) {
  return '_value' in option
    ? option._value
    : option.value
}

function onCompositionStart (e) {
  e.target.composing = true;
}

function onCompositionEnd (e) {
  // prevent triggering an input event for no reason
  if (!e.target.composing) { return }
  e.target.composing = false;
  trigger(e.target, 'input');
}

function trigger (el, type) {
  var e = document.createEvent('HTMLEvents');
  e.initEvent(type, true, true);
  el.dispatchEvent(e);
}

/*  */

// recursively search for possible transition defined inside the component root
function locateNode (vnode) {
  return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
    ? locateNode(vnode.componentInstance._vnode)
    : vnode
}

var show = {
  bind: function bind (el, ref, vnode) {
    var value = ref.value;

    vnode = locateNode(vnode);
    var transition$$1 = vnode.data && vnode.data.transition;
    var originalDisplay = el.__vOriginalDisplay =
      el.style.display === 'none' ? '' : el.style.display;
    if (value && transition$$1) {
      vnode.data.show = true;
      enter(vnode, function () {
        el.style.display = originalDisplay;
      });
    } else {
      el.style.display = value ? originalDisplay : 'none';
    }
  },

  update: function update (el, ref, vnode) {
    var value = ref.value;
    var oldValue = ref.oldValue;

    /* istanbul ignore if */
    if (!value === !oldValue) { return }
    vnode = locateNode(vnode);
    var transition$$1 = vnode.data && vnode.data.transition;
    if (transition$$1) {
      vnode.data.show = true;
      if (value) {
        enter(vnode, function () {
          el.style.display = el.__vOriginalDisplay;
        });
      } else {
        leave(vnode, function () {
          el.style.display = 'none';
        });
      }
    } else {
      el.style.display = value ? el.__vOriginalDisplay : 'none';
    }
  },

  unbind: function unbind (
    el,
    binding,
    vnode,
    oldVnode,
    isDestroy
  ) {
    if (!isDestroy) {
      el.style.display = el.__vOriginalDisplay;
    }
  }
};

var platformDirectives = {
  model: directive,
  show: show
};

/*  */

var transitionProps = {
  name: String,
  appear: Boolean,
  css: Boolean,
  mode: String,
  type: String,
  enterClass: String,
  leaveClass: String,
  enterToClass: String,
  leaveToClass: String,
  enterActiveClass: String,
  leaveActiveClass: String,
  appearClass: String,
  appearActiveClass: String,
  appearToClass: String,
  duration: [Number, String, Object]
};

// in case the child is also an abstract component, e.g. <keep-alive>
// we want to recursively retrieve the real component to be rendered
function getRealChild (vnode) {
  var compOptions = vnode && vnode.componentOptions;
  if (compOptions && compOptions.Ctor.options.abstract) {
    return getRealChild(getFirstComponentChild(compOptions.children))
  } else {
    return vnode
  }
}

function extractTransitionData (comp) {
  var data = {};
  var options = comp.$options;
  // props
  for (var key in options.propsData) {
    data[key] = comp[key];
  }
  // events.
  // extract listeners and pass them directly to the transition methods
  var listeners = options._parentListeners;
  for (var key$1 in listeners) {
    data[camelize(key$1)] = listeners[key$1];
  }
  return data
}

function placeholder (h, rawChild) {
  if (/\d-keep-alive$/.test(rawChild.tag)) {
    return h('keep-alive', {
      props: rawChild.componentOptions.propsData
    })
  }
}

function hasParentTransition (vnode) {
  while ((vnode = vnode.parent)) {
    if (vnode.data.transition) {
      return true
    }
  }
}

function isSameChild (child, oldChild) {
  return oldChild.key === child.key && oldChild.tag === child.tag
}

var isNotTextNode = function (c) { return c.tag || isAsyncPlaceholder(c); };

var isVShowDirective = function (d) { return d.name === 'show'; };

var Transition = {
  name: 'transition',
  props: transitionProps,
  abstract: true,

  render: function render (h) {
    var this$1 = this;

    var children = this.$slots.default;
    if (!children) {
      return
    }

    // filter out text nodes (possible whitespaces)
    children = children.filter(isNotTextNode);
    /* istanbul ignore if */
    if (!children.length) {
      return
    }

    // warn multiple elements
    if (children.length > 1) {
      warn(
        '<transition> can only be used on a single element. Use ' +
        '<transition-group> for lists.',
        this.$parent
      );
    }

    var mode = this.mode;

    // warn invalid mode
    if (mode && mode !== 'in-out' && mode !== 'out-in'
    ) {
      warn(
        'invalid <transition> mode: ' + mode,
        this.$parent
      );
    }

    var rawChild = children[0];

    // if this is a component root node and the component's
    // parent container node also has transition, skip.
    if (hasParentTransition(this.$vnode)) {
      return rawChild
    }

    // apply transition data to child
    // use getRealChild() to ignore abstract components e.g. keep-alive
    var child = getRealChild(rawChild);
    /* istanbul ignore if */
    if (!child) {
      return rawChild
    }

    if (this._leaving) {
      return placeholder(h, rawChild)
    }

    // ensure a key that is unique to the vnode type and to this transition
    // component instance. This key will be used to remove pending leaving nodes
    // during entering.
    var id = "__transition-" + (this._uid) + "-";
    child.key = child.key == null
      ? child.isComment
        ? id + 'comment'
        : id + child.tag
      : isPrimitive(child.key)
        ? (String(child.key).indexOf(id) === 0 ? child.key : id + child.key)
        : child.key;

    var data = (child.data || (child.data = {})).transition = extractTransitionData(this);
    var oldRawChild = this._vnode;
    var oldChild = getRealChild(oldRawChild);

    // mark v-show
    // so that the transition module can hand over the control to the directive
    if (child.data.directives && child.data.directives.some(isVShowDirective)) {
      child.data.show = true;
    }

    if (
      oldChild &&
      oldChild.data &&
      !isSameChild(child, oldChild) &&
      !isAsyncPlaceholder(oldChild) &&
      // #6687 component root is a comment node
      !(oldChild.componentInstance && oldChild.componentInstance._vnode.isComment)
    ) {
      // replace old child transition data with fresh one
      // important for dynamic transitions!
      var oldData = oldChild.data.transition = extend({}, data);
      // handle transition mode
      if (mode === 'out-in') {
        // return placeholder node and queue update when leave finishes
        this._leaving = true;
        mergeVNodeHook(oldData, 'afterLeave', function () {
          this$1._leaving = false;
          this$1.$forceUpdate();
        });
        return placeholder(h, rawChild)
      } else if (mode === 'in-out') {
        if (isAsyncPlaceholder(child)) {
          return oldRawChild
        }
        var delayedLeave;
        var performLeave = function () { delayedLeave(); };
        mergeVNodeHook(data, 'afterEnter', performLeave);
        mergeVNodeHook(data, 'enterCancelled', performLeave);
        mergeVNodeHook(oldData, 'delayLeave', function (leave) { delayedLeave = leave; });
      }
    }

    return rawChild
  }
};

/*  */

var props = extend({
  tag: String,
  moveClass: String
}, transitionProps);

delete props.mode;

var TransitionGroup = {
  props: props,

  beforeMount: function beforeMount () {
    var this$1 = this;

    var update = this._update;
    this._update = function (vnode, hydrating) {
      var restoreActiveInstance = setActiveInstance(this$1);
      // force removing pass
      this$1.__patch__(
        this$1._vnode,
        this$1.kept,
        false, // hydrating
        true // removeOnly (!important, avoids unnecessary moves)
      );
      this$1._vnode = this$1.kept;
      restoreActiveInstance();
      update.call(this$1, vnode, hydrating);
    };
  },

  render: function render (h) {
    var tag = this.tag || this.$vnode.data.tag || 'span';
    var map = Object.create(null);
    var prevChildren = this.prevChildren = this.children;
    var rawChildren = this.$slots.default || [];
    var children = this.children = [];
    var transitionData = extractTransitionData(this);

    for (var i = 0; i < rawChildren.length; i++) {
      var c = rawChildren[i];
      if (c.tag) {
        if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
          children.push(c);
          map[c.key] = c
          ;(c.data || (c.data = {})).transition = transitionData;
        } else {
          var opts = c.componentOptions;
          var name = opts ? (opts.Ctor.options.name || opts.tag || '') : c.tag;
          warn(("<transition-group> children must be keyed: <" + name + ">"));
        }
      }
    }

    if (prevChildren) {
      var kept = [];
      var removed = [];
      for (var i$1 = 0; i$1 < prevChildren.length; i$1++) {
        var c$1 = prevChildren[i$1];
        c$1.data.transition = transitionData;
        c$1.data.pos = c$1.elm.getBoundingClientRect();
        if (map[c$1.key]) {
          kept.push(c$1);
        } else {
          removed.push(c$1);
        }
      }
      this.kept = h(tag, null, kept);
      this.removed = removed;
    }

    return h(tag, null, children)
  },

  updated: function updated () {
    var children = this.prevChildren;
    var moveClass = this.moveClass || ((this.name || 'v') + '-move');
    if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
      return
    }

    // we divide the work into three loops to avoid mixing DOM reads and writes
    // in each iteration - which helps prevent layout thrashing.
    children.forEach(callPendingCbs);
    children.forEach(recordPosition);
    children.forEach(applyTranslation);

    // force reflow to put everything in position
    // assign to this to avoid being removed in tree-shaking
    // $flow-disable-line
    this._reflow = document.body.offsetHeight;

    children.forEach(function (c) {
      if (c.data.moved) {
        var el = c.elm;
        var s = el.style;
        addTransitionClass(el, moveClass);
        s.transform = s.WebkitTransform = s.transitionDuration = '';
        el.addEventListener(transitionEndEvent, el._moveCb = function cb (e) {
          if (e && e.target !== el) {
            return
          }
          if (!e || /transform$/.test(e.propertyName)) {
            el.removeEventListener(transitionEndEvent, cb);
            el._moveCb = null;
            removeTransitionClass(el, moveClass);
          }
        });
      }
    });
  },

  methods: {
    hasMove: function hasMove (el, moveClass) {
      /* istanbul ignore if */
      if (!hasTransition) {
        return false
      }
      /* istanbul ignore if */
      if (this._hasMove) {
        return this._hasMove
      }
      // Detect whether an element with the move class applied has
      // CSS transitions. Since the element may be inside an entering
      // transition at this very moment, we make a clone of it and remove
      // all other transition classes applied to ensure only the move class
      // is applied.
      var clone = el.cloneNode();
      if (el._transitionClasses) {
        el._transitionClasses.forEach(function (cls) { removeClass(clone, cls); });
      }
      addClass(clone, moveClass);
      clone.style.display = 'none';
      this.$el.appendChild(clone);
      var info = getTransitionInfo(clone);
      this.$el.removeChild(clone);
      return (this._hasMove = info.hasTransform)
    }
  }
};

function callPendingCbs (c) {
  /* istanbul ignore if */
  if (c.elm._moveCb) {
    c.elm._moveCb();
  }
  /* istanbul ignore if */
  if (c.elm._enterCb) {
    c.elm._enterCb();
  }
}

function recordPosition (c) {
  c.data.newPos = c.elm.getBoundingClientRect();
}

function applyTranslation (c) {
  var oldPos = c.data.pos;
  var newPos = c.data.newPos;
  var dx = oldPos.left - newPos.left;
  var dy = oldPos.top - newPos.top;
  if (dx || dy) {
    c.data.moved = true;
    var s = c.elm.style;
    s.transform = s.WebkitTransform = "translate(" + dx + "px," + dy + "px)";
    s.transitionDuration = '0s';
  }
}

var platformComponents = {
  Transition: Transition,
  TransitionGroup: TransitionGroup
};

/*  */

// install platform specific utils
Vue.config.mustUseProp = mustUseProp;
Vue.config.isReservedTag = isReservedTag;
Vue.config.isReservedAttr = isReservedAttr;
Vue.config.getTagNamespace = getTagNamespace;
Vue.config.isUnknownElement = isUnknownElement;

// install platform runtime directives & components
extend(Vue.options.directives, platformDirectives);
extend(Vue.options.components, platformComponents);

// install platform patch function
Vue.prototype.__patch__ = inBrowser ? patch : noop;

// public mount method
Vue.prototype.$mount = function (
  el,
  hydrating
) {
  el = el && inBrowser ? query(el) : undefined;
  return mountComponent(this, el, hydrating)
};

// devtools global hook
/* istanbul ignore next */
if (inBrowser) {
  setTimeout(function () {
    if (config.devtools) {
      if (devtools) {
        devtools.emit('init', Vue);
      } else {
        console[console.info ? 'info' : 'log'](
          'Download the Vue Devtools extension for a better development experience:\n' +
          'https://github.com/vuejs/vue-devtools'
        );
      }
    }
    if (config.productionTip !== false &&
      typeof console !== 'undefined'
    ) {
      console[console.info ? 'info' : 'log'](
        "You are running Vue in development mode.\n" +
        "Make sure to turn on production mode when deploying for production.\n" +
        "See more tips at https://vuejs.org/guide/deployment.html"
      );
    }
  }, 0);
}

/*  */

var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;

var buildRegex = cached(function (delimiters) {
  var open = delimiters[0].replace(regexEscapeRE, '\\$&');
  var close = delimiters[1].replace(regexEscapeRE, '\\$&');
  return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
});



function parseText (
  text,
  delimiters
) {
  var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
  if (!tagRE.test(text)) {
    return
  }
  var tokens = [];
  var rawTokens = [];
  var lastIndex = tagRE.lastIndex = 0;
  var match, index, tokenValue;
  while ((match = tagRE.exec(text))) {
    index = match.index;
    // push text token
    if (index > lastIndex) {
      rawTokens.push(tokenValue = text.slice(lastIndex, index));
      tokens.push(JSON.stringify(tokenValue));
    }
    // tag token
    var exp = parseFilters(match[1].trim());
    tokens.push(("_s(" + exp + ")"));
    rawTokens.push({ '@binding': exp });
    lastIndex = index + match[0].length;
  }
  if (lastIndex < text.length) {
    rawTokens.push(tokenValue = text.slice(lastIndex));
    tokens.push(JSON.stringify(tokenValue));
  }
  return {
    expression: tokens.join('+'),
    tokens: rawTokens
  }
}

/*  */

function transformNode (el, options) {
  var warn = options.warn || baseWarn;
  var staticClass = getAndRemoveAttr(el, 'class');
  if (staticClass) {
    var res = parseText(staticClass, options.delimiters);
    if (res) {
      warn(
        "class=\"" + staticClass + "\": " +
        'Interpolation inside attributes has been removed. ' +
        'Use v-bind or the colon shorthand instead. For example, ' +
        'instead of <div class="{{ val }}">, use <div :class="val">.',
        el.rawAttrsMap['class']
      );
    }
  }
  if (staticClass) {
    el.staticClass = JSON.stringify(staticClass);
  }
  var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
  if (classBinding) {
    el.classBinding = classBinding;
  }
}

function genData (el) {
  var data = '';
  if (el.staticClass) {
    data += "staticClass:" + (el.staticClass) + ",";
  }
  if (el.classBinding) {
    data += "class:" + (el.classBinding) + ",";
  }
  return data
}

var klass$1 = {
  staticKeys: ['staticClass'],
  transformNode: transformNode,
  genData: genData
};

/*  */

function transformNode$1 (el, options) {
  var warn = options.warn || baseWarn;
  var staticStyle = getAndRemoveAttr(el, 'style');
  if (staticStyle) {
    /* istanbul ignore if */
    {
      var res = parseText(staticStyle, options.delimiters);
      if (res) {
        warn(
          "style=\"" + staticStyle + "\": " +
          'Interpolation inside attributes has been removed. ' +
          'Use v-bind or the colon shorthand instead. For example, ' +
          'instead of <div style="{{ val }}">, use <div :style="val">.',
          el.rawAttrsMap['style']
        );
      }
    }
    el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
  }

  var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
  if (styleBinding) {
    el.styleBinding = styleBinding;
  }
}

function genData$1 (el) {
  var data = '';
  if (el.staticStyle) {
    data += "staticStyle:" + (el.staticStyle) + ",";
  }
  if (el.styleBinding) {
    data += "style:(" + (el.styleBinding) + "),";
  }
  return data
}

var style$1 = {
  staticKeys: ['staticStyle'],
  transformNode: transformNode$1,
  genData: genData$1
};

/*  */

var decoder;

var he = {
  decode: function decode (html) {
    decoder = decoder || document.createElement('div');
    decoder.innerHTML = html;
    return decoder.textContent
  }
};

/*  */

var isUnaryTag = makeMap(
  'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
  'link,meta,param,source,track,wbr'
);

// Elements that you can, intentionally, leave open
// (and which close themselves)
var canBeLeftOpenTag = makeMap(
  'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
);

// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
var isNonPhrasingTag = makeMap(
  'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
  'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
  'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
  'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
  'title,tr,track'
);

/**
 * Not type-checking this file because it's mostly vendor code.
 */

// Regular Expressions for parsing tags and attributes
var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z" + (unicodeRegExp.source) + "]*";
var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
var startTagOpen = new RegExp(("^<" + qnameCapture));
var startTagClose = /^\s*(\/?)>/;
var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
var doctype = /^<!DOCTYPE [^>]+>/i;
// #7298: escape - to avoid being passed as HTML comment when inlined in page
var comment = /^<!\--/;
var conditionalComment = /^<!\[/;

// Special Elements (can contain anything)
var isPlainTextElement = makeMap('script,style,textarea', true);
var reCache = {};

var decodingMap = {
  '&lt;': '<',
  '&gt;': '>',
  '&quot;': '"',
  '&amp;': '&',
  '&#10;': '\n',
  '&#9;': '\t',
  '&#39;': "'"
};
var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;

// #5992
var isIgnoreNewlineTag = makeMap('pre,textarea', true);
var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };

function decodeAttr (value, shouldDecodeNewlines) {
  var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
  return value.replace(re, function (match) { return decodingMap[match]; })
}

function parseHTML (html, options) {
  var stack = [];
  var expectHTML = options.expectHTML;
  var isUnaryTag$$1 = options.isUnaryTag || no;
  var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
  var index = 0;
  var last, lastTag;
  while (html) {
    last = html;
    // Make sure we're not in a plaintext content element like script/style
    if (!lastTag || !isPlainTextElement(lastTag)) {
      var textEnd = html.indexOf('<');
      if (textEnd === 0) {
        // Comment:
        if (comment.test(html)) {
          var commentEnd = html.indexOf('-->');

          if (commentEnd >= 0) {
            if (options.shouldKeepComment) {
              options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
            }
            advance(commentEnd + 3);
            continue
          }
        }

        // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
        if (conditionalComment.test(html)) {
          var conditionalEnd = html.indexOf(']>');

          if (conditionalEnd >= 0) {
            advance(conditionalEnd + 2);
            continue
          }
        }

        // Doctype:
        var doctypeMatch = html.match(doctype);
        if (doctypeMatch) {
          advance(doctypeMatch[0].length);
          continue
        }

        // End tag:
        var endTagMatch = html.match(endTag);
        if (endTagMatch) {
          var curIndex = index;
          advance(endTagMatch[0].length);
          parseEndTag(endTagMatch[1], curIndex, index);
          continue
        }

        // Start tag:
        var startTagMatch = parseStartTag();
        if (startTagMatch) {
          handleStartTag(startTagMatch);
          if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
            advance(1);
          }
          continue
        }
      }

      var text = (void 0), rest = (void 0), next = (void 0);
      if (textEnd >= 0) {
        rest = html.slice(textEnd);
        while (
          !endTag.test(rest) &&
          !startTagOpen.test(rest) &&
          !comment.test(rest) &&
          !conditionalComment.test(rest)
        ) {
          // < in plain text, be forgiving and treat it as text
          next = rest.indexOf('<', 1);
          if (next < 0) { break }
          textEnd += next;
          rest = html.slice(textEnd);
        }
        text = html.substring(0, textEnd);
      }

      if (textEnd < 0) {
        text = html;
      }

      if (text) {
        advance(text.length);
      }

      if (options.chars && text) {
        options.chars(text, index - text.length, index);
      }
    } else {
      var endTagLength = 0;
      var stackedTag = lastTag.toLowerCase();
      var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
      var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
        endTagLength = endTag.length;
        if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
          text = text
            .replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
            .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
        }
        if (shouldIgnoreFirstNewline(stackedTag, text)) {
          text = text.slice(1);
        }
        if (options.chars) {
          options.chars(text);
        }
        return ''
      });
      index += html.length - rest$1.length;
      html = rest$1;
      parseEndTag(stackedTag, index - endTagLength, index);
    }

    if (html === last) {
      options.chars && options.chars(html);
      if (!stack.length && options.warn) {
        options.warn(("Mal-formatted tag at end of template: \"" + html + "\""), { start: index + html.length });
      }
      break
    }
  }

  // Clean up any remaining tags
  parseEndTag();

  function advance (n) {
    index += n;
    html = html.substring(n);
  }

  function parseStartTag () {
    var start = html.match(startTagOpen);
    if (start) {
      var match = {
        tagName: start[1],
        attrs: [],
        start: index
      };
      advance(start[0].length);
      var end, attr;
      while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
        attr.start = index;
        advance(attr[0].length);
        attr.end = index;
        match.attrs.push(attr);
      }
      if (end) {
        match.unarySlash = end[1];
        advance(end[0].length);
        match.end = index;
        return match
      }
    }
  }

  function handleStartTag (match) {
    var tagName = match.tagName;
    var unarySlash = match.unarySlash;

    if (expectHTML) {
      if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
        parseEndTag(lastTag);
      }
      if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
        parseEndTag(tagName);
      }
    }

    var unary = isUnaryTag$$1(tagName) || !!unarySlash;

    var l = match.attrs.length;
    var attrs = new Array(l);
    for (var i = 0; i < l; i++) {
      var args = match.attrs[i];
      var value = args[3] || args[4] || args[5] || '';
      var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
        ? options.shouldDecodeNewlinesForHref
        : options.shouldDecodeNewlines;
      attrs[i] = {
        name: args[1],
        value: decodeAttr(value, shouldDecodeNewlines)
      };
      if (options.outputSourceRange) {
        attrs[i].start = args.start + args[0].match(/^\s*/).length;
        attrs[i].end = args.end;
      }
    }

    if (!unary) {
      stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end });
      lastTag = tagName;
    }

    if (options.start) {
      options.start(tagName, attrs, unary, match.start, match.end);
    }
  }

  function parseEndTag (tagName, start, end) {
    var pos, lowerCasedTagName;
    if (start == null) { start = index; }
    if (end == null) { end = index; }

    // Find the closest opened tag of the same type
    if (tagName) {
      lowerCasedTagName = tagName.toLowerCase();
      for (pos = stack.length - 1; pos >= 0; pos--) {
        if (stack[pos].lowerCasedTag === lowerCasedTagName) {
          break
        }
      }
    } else {
      // If no tag name is provided, clean shop
      pos = 0;
    }

    if (pos >= 0) {
      // Close all the open elements, up the stack
      for (var i = stack.length - 1; i >= pos; i--) {
        if (i > pos || !tagName &&
          options.warn
        ) {
          options.warn(
            ("tag <" + (stack[i].tag) + "> has no matching end tag."),
            { start: stack[i].start, end: stack[i].end }
          );
        }
        if (options.end) {
          options.end(stack[i].tag, start, end);
        }
      }

      // Remove the open elements from the stack
      stack.length = pos;
      lastTag = pos && stack[pos - 1].tag;
    } else if (lowerCasedTagName === 'br') {
      if (options.start) {
        options.start(tagName, [], true, start, end);
      }
    } else if (lowerCasedTagName === 'p') {
      if (options.start) {
        options.start(tagName, [], false, start, end);
      }
      if (options.end) {
        options.end(tagName, start, end);
      }
    }
  }
}

/*  */

var onRE = /^@|^v-on:/;
var dirRE = /^v-|^@|^:|^#/;
var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
var stripParensRE = /^\(|\)$/g;
var dynamicArgRE = /^\[.*\]$/;

var argRE = /:(.*)$/;
var bindRE = /^:|^\.|^v-bind:/;
var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;

var slotRE = /^v-slot(:|$)|^#/;

var lineBreakRE = /[\r\n]/;
var whitespaceRE$1 = /\s+/g;

var invalidAttributeRE = /[\s"'<>\/=]/;

var decodeHTMLCached = cached(he.decode);

var emptySlotScopeToken = "_empty_";

// configurable state
var warn$2;
var delimiters;
var transforms;
var preTransforms;
var postTransforms;
var platformIsPreTag;
var platformMustUseProp;
var platformGetTagNamespace;
var maybeComponent;

function createASTElement (
  tag,
  attrs,
  parent
) {
  return {
    type: 1,
    tag: tag,
    attrsList: attrs,
    attrsMap: makeAttrsMap(attrs),
    rawAttrsMap: {},
    parent: parent,
    children: []
  }
}

/**
 * Convert HTML string to AST.
 */
function parse (
  template,
  options
) {
  warn$2 = options.warn || baseWarn;

  platformIsPreTag = options.isPreTag || no;
  platformMustUseProp = options.mustUseProp || no;
  platformGetTagNamespace = options.getTagNamespace || no;
  var isReservedTag = options.isReservedTag || no;
  maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };

  transforms = pluckModuleFunction(options.modules, 'transformNode');
  preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
  postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');

  delimiters = options.delimiters;

  var stack = [];
  var preserveWhitespace = options.preserveWhitespace !== false;
  var whitespaceOption = options.whitespace;
  var root;
  var currentParent;
  var inVPre = false;
  var inPre = false;
  var warned = false;

  function warnOnce (msg, range) {
    if (!warned) {
      warned = true;
      warn$2(msg, range);
    }
  }

  function closeElement (element) {
    trimEndingWhitespace(element);
    if (!inVPre && !element.processed) {
      element = processElement(element, options);
    }
    // tree management
    if (!stack.length && element !== root) {
      // allow root elements with v-if, v-else-if and v-else
      if (root.if && (element.elseif || element.else)) {
        {
          checkRootConstraints(element);
        }
        addIfCondition(root, {
          exp: element.elseif,
          block: element
        });
      } else {
        warnOnce(
          "Component template should contain exactly one root element. " +
          "If you are using v-if on multiple elements, " +
          "use v-else-if to chain them instead.",
          { start: element.start }
        );
      }
    }
    if (currentParent && !element.forbidden) {
      if (element.elseif || element.else) {
        processIfConditions(element, currentParent);
      } else {
        if (element.slotScope) {
          // scoped slot
          // keep it in the children list so that v-else(-if) conditions can
          // find it as the prev node.
          var name = element.slotTarget || '"default"'
          ;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
        }
        currentParent.children.push(element);
        element.parent = currentParent;
      }
    }

    // final children cleanup
    // filter out scoped slots
    element.children = element.children.filter(function (c) { return !(c).slotScope; });
    // remove trailing whitespace node again
    trimEndingWhitespace(element);

    // check pre state
    if (element.pre) {
      inVPre = false;
    }
    if (platformIsPreTag(element.tag)) {
      inPre = false;
    }
    // apply post-transforms
    for (var i = 0; i < postTransforms.length; i++) {
      postTransforms[i](element, options);
    }
  }

  function trimEndingWhitespace (el) {
    // remove trailing whitespace node
    if (!inPre) {
      var lastNode;
      while (
        (lastNode = el.children[el.children.length - 1]) &&
        lastNode.type === 3 &&
        lastNode.text === ' '
      ) {
        el.children.pop();
      }
    }
  }

  function checkRootConstraints (el) {
    if (el.tag === 'slot' || el.tag === 'template') {
      warnOnce(
        "Cannot use <" + (el.tag) + "> as component root element because it may " +
        'contain multiple nodes.',
        { start: el.start }
      );
    }
    if (el.attrsMap.hasOwnProperty('v-for')) {
      warnOnce(
        'Cannot use v-for on stateful component root element because ' +
        'it renders multiple elements.',
        el.rawAttrsMap['v-for']
      );
    }
  }

  parseHTML(template, {
    warn: warn$2,
    expectHTML: options.expectHTML,
    isUnaryTag: options.isUnaryTag,
    canBeLeftOpenTag: options.canBeLeftOpenTag,
    shouldDecodeNewlines: options.shouldDecodeNewlines,
    shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
    shouldKeepComment: options.comments,
    outputSourceRange: options.outputSourceRange,
    start: function start (tag, attrs, unary, start$1, end) {
      // check namespace.
      // inherit parent ns if there is one
      var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);

      // handle IE svg bug
      /* istanbul ignore if */
      if (isIE && ns === 'svg') {
        attrs = guardIESVGBug(attrs);
      }

      var element = createASTElement(tag, attrs, currentParent);
      if (ns) {
        element.ns = ns;
      }

      {
        if (options.outputSourceRange) {
          element.start = start$1;
          element.end = end;
          element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
            cumulated[attr.name] = attr;
            return cumulated
          }, {});
        }
        attrs.forEach(function (attr) {
          if (invalidAttributeRE.test(attr.name)) {
            warn$2(
              "Invalid dynamic argument expression: attribute names cannot contain " +
              "spaces, quotes, <, >, / or =.",
              {
                start: attr.start + attr.name.indexOf("["),
                end: attr.start + attr.name.length
              }
            );
          }
        });
      }

      if (isForbiddenTag(element) && !isServerRendering()) {
        element.forbidden = true;
        warn$2(
          'Templates should only be responsible for mapping the state to the ' +
          'UI. Avoid placing tags with side-effects in your templates, such as ' +
          "<" + tag + ">" + ', as they will not be parsed.',
          { start: element.start }
        );
      }

      // apply pre-transforms
      for (var i = 0; i < preTransforms.length; i++) {
        element = preTransforms[i](element, options) || element;
      }

      if (!inVPre) {
        processPre(element);
        if (element.pre) {
          inVPre = true;
        }
      }
      if (platformIsPreTag(element.tag)) {
        inPre = true;
      }
      if (inVPre) {
        processRawAttrs(element);
      } else if (!element.processed) {
        // structural directives
        processFor(element);
        processIf(element);
        processOnce(element);
      }

      if (!root) {
        root = element;
        {
          checkRootConstraints(root);
        }
      }

      if (!unary) {
        currentParent = element;
        stack.push(element);
      } else {
        closeElement(element);
      }
    },

    end: function end (tag, start, end$1) {
      var element = stack[stack.length - 1];
      // pop stack
      stack.length -= 1;
      currentParent = stack[stack.length - 1];
      if (options.outputSourceRange) {
        element.end = end$1;
      }
      closeElement(element);
    },

    chars: function chars (text, start, end) {
      if (!currentParent) {
        {
          if (text === template) {
            warnOnce(
              'Component template requires a root element, rather than just text.',
              { start: start }
            );
          } else if ((text = text.trim())) {
            warnOnce(
              ("text \"" + text + "\" outside root element will be ignored."),
              { start: start }
            );
          }
        }
        return
      }
      // IE textarea placeholder bug
      /* istanbul ignore if */
      if (isIE &&
        currentParent.tag === 'textarea' &&
        currentParent.attrsMap.placeholder === text
      ) {
        return
      }
      var children = currentParent.children;
      if (inPre || text.trim()) {
        text = isTextTag(currentParent) ? text : decodeHTMLCached(text);
      } else if (!children.length) {
        // remove the whitespace-only node right after an opening tag
        text = '';
      } else if (whitespaceOption) {
        if (whitespaceOption === 'condense') {
          // in condense mode, remove the whitespace node if it contains
          // line break, otherwise condense to a single space
          text = lineBreakRE.test(text) ? '' : ' ';
        } else {
          text = ' ';
        }
      } else {
        text = preserveWhitespace ? ' ' : '';
      }
      if (text) {
        if (!inPre && whitespaceOption === 'condense') {
          // condense consecutive whitespaces into single space
          text = text.replace(whitespaceRE$1, ' ');
        }
        var res;
        var child;
        if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
          child = {
            type: 2,
            expression: res.expression,
            tokens: res.tokens,
            text: text
          };
        } else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
          child = {
            type: 3,
            text: text
          };
        }
        if (child) {
          if (options.outputSourceRange) {
            child.start = start;
            child.end = end;
          }
          children.push(child);
        }
      }
    },
    comment: function comment (text, start, end) {
      // adding anything as a sibling to the root node is forbidden
      // comments should still be allowed, but ignored
      if (currentParent) {
        var child = {
          type: 3,
          text: text,
          isComment: true
        };
        if (options.outputSourceRange) {
          child.start = start;
          child.end = end;
        }
        currentParent.children.push(child);
      }
    }
  });
  return root
}

function processPre (el) {
  if (getAndRemoveAttr(el, 'v-pre') != null) {
    el.pre = true;
  }
}

function processRawAttrs (el) {
  var list = el.attrsList;
  var len = list.length;
  if (len) {
    var attrs = el.attrs = new Array(len);
    for (var i = 0; i < len; i++) {
      attrs[i] = {
        name: list[i].name,
        value: JSON.stringify(list[i].value)
      };
      if (list[i].start != null) {
        attrs[i].start = list[i].start;
        attrs[i].end = list[i].end;
      }
    }
  } else if (!el.pre) {
    // non root node in pre blocks with no attributes
    el.plain = true;
  }
}

function processElement (
  element,
  options
) {
  processKey(element);

  // determine whether this is a plain element after
  // removing structural attributes
  element.plain = (
    !element.key &&
    !element.scopedSlots &&
    !element.attrsList.length
  );

  processRef(element);
  processSlotContent(element);
  processSlotOutlet(element);
  processComponent(element);
  for (var i = 0; i < transforms.length; i++) {
    element = transforms[i](element, options) || element;
  }
  processAttrs(element);
  return element
}

function processKey (el) {
  var exp = getBindingAttr(el, 'key');
  if (exp) {
    {
      if (el.tag === 'template') {
        warn$2(
          "<template> cannot be keyed. Place the key on real elements instead.",
          getRawBindingAttr(el, 'key')
        );
      }
      if (el.for) {
        var iterator = el.iterator2 || el.iterator1;
        var parent = el.parent;
        if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
          warn$2(
            "Do not use v-for index as key on <transition-group> children, " +
            "this is the same as not using keys.",
            getRawBindingAttr(el, 'key'),
            true /* tip */
          );
        }
      }
    }
    el.key = exp;
  }
}

function processRef (el) {
  var ref = getBindingAttr(el, 'ref');
  if (ref) {
    el.ref = ref;
    el.refInFor = checkInFor(el);
  }
}

function processFor (el) {
  var exp;
  if ((exp = getAndRemoveAttr(el, 'v-for'))) {
    var res = parseFor(exp);
    if (res) {
      extend(el, res);
    } else {
      warn$2(
        ("Invalid v-for expression: " + exp),
        el.rawAttrsMap['v-for']
      );
    }
  }
}



function parseFor (exp) {
  var inMatch = exp.match(forAliasRE);
  if (!inMatch) { return }
  var res = {};
  res.for = inMatch[2].trim();
  var alias = inMatch[1].trim().replace(stripParensRE, '');
  var iteratorMatch = alias.match(forIteratorRE);
  if (iteratorMatch) {
    res.alias = alias.replace(forIteratorRE, '').trim();
    res.iterator1 = iteratorMatch[1].trim();
    if (iteratorMatch[2]) {
      res.iterator2 = iteratorMatch[2].trim();
    }
  } else {
    res.alias = alias;
  }
  return res
}

function processIf (el) {
  var exp = getAndRemoveAttr(el, 'v-if');
  if (exp) {
    el.if = exp;
    addIfCondition(el, {
      exp: exp,
      block: el
    });
  } else {
    if (getAndRemoveAttr(el, 'v-else') != null) {
      el.else = true;
    }
    var elseif = getAndRemoveAttr(el, 'v-else-if');
    if (elseif) {
      el.elseif = elseif;
    }
  }
}

function processIfConditions (el, parent) {
  var prev = findPrevElement(parent.children);
  if (prev && prev.if) {
    addIfCondition(prev, {
      exp: el.elseif,
      block: el
    });
  } else {
    warn$2(
      "v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
      "used on element <" + (el.tag) + "> without corresponding v-if.",
      el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']
    );
  }
}

function findPrevElement (children) {
  var i = children.length;
  while (i--) {
    if (children[i].type === 1) {
      return children[i]
    } else {
      if (children[i].text !== ' ') {
        warn$2(
          "text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
          "will be ignored.",
          children[i]
        );
      }
      children.pop();
    }
  }
}

function addIfCondition (el, condition) {
  if (!el.ifConditions) {
    el.ifConditions = [];
  }
  el.ifConditions.push(condition);
}

function processOnce (el) {
  var once$$1 = getAndRemoveAttr(el, 'v-once');
  if (once$$1 != null) {
    el.once = true;
  }
}

// handle content being passed to a component as slot,
// e.g. <template slot="xxx">, <div slot-scope="xxx">
function processSlotContent (el) {
  var slotScope;
  if (el.tag === 'template') {
    slotScope = getAndRemoveAttr(el, 'scope');
    /* istanbul ignore if */
    if (slotScope) {
      warn$2(
        "the \"scope\" attribute for scoped slots have been deprecated and " +
        "replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
        "can also be used on plain elements in addition to <template> to " +
        "denote scoped slots.",
        el.rawAttrsMap['scope'],
        true
      );
    }
    el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
  } else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
    /* istanbul ignore if */
    if (el.attrsMap['v-for']) {
      warn$2(
        "Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
        "(v-for takes higher priority). Use a wrapper <template> for the " +
        "scoped slot to make it clearer.",
        el.rawAttrsMap['slot-scope'],
        true
      );
    }
    el.slotScope = slotScope;
  }

  // slot="xxx"
  var slotTarget = getBindingAttr(el, 'slot');
  if (slotTarget) {
    el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
    el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);
    // preserve slot as an attribute for native shadow DOM compat
    // only for non-scoped slots.
    if (el.tag !== 'template' && !el.slotScope) {
      addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
    }
  }

  // 2.6 v-slot syntax
  {
    if (el.tag === 'template') {
      // v-slot on <template>
      var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
      if (slotBinding) {
        {
          if (el.slotTarget || el.slotScope) {
            warn$2(
              "Unexpected mixed usage of different slot syntaxes.",
              el
            );
          }
          if (el.parent && !maybeComponent(el.parent)) {
            warn$2(
              "<template v-slot> can only appear at the root level inside " +
              "the receiving component",
              el
            );
          }
        }
        var ref = getSlotName(slotBinding);
        var name = ref.name;
        var dynamic = ref.dynamic;
        el.slotTarget = name;
        el.slotTargetDynamic = dynamic;
        el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
      }
    } else {
      // v-slot on component, denotes default slot
      var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE);
      if (slotBinding$1) {
        {
          if (!maybeComponent(el)) {
            warn$2(
              "v-slot can only be used on components or <template>.",
              slotBinding$1
            );
          }
          if (el.slotScope || el.slotTarget) {
            warn$2(
              "Unexpected mixed usage of different slot syntaxes.",
              el
            );
          }
          if (el.scopedSlots) {
            warn$2(
              "To avoid scope ambiguity, the default slot should also use " +
              "<template> syntax when there are other named slots.",
              slotBinding$1
            );
          }
        }
        // add the component's children to its default slot
        var slots = el.scopedSlots || (el.scopedSlots = {});
        var ref$1 = getSlotName(slotBinding$1);
        var name$1 = ref$1.name;
        var dynamic$1 = ref$1.dynamic;
        var slotContainer = slots[name$1] = createASTElement('template', [], el);
        slotContainer.slotTarget = name$1;
        slotContainer.slotTargetDynamic = dynamic$1;
        slotContainer.children = el.children.filter(function (c) {
          if (!c.slotScope) {
            c.parent = slotContainer;
            return true
          }
        });
        slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken;
        // remove children as they are returned from scopedSlots now
        el.children = [];
        // mark el non-plain so data gets generated
        el.plain = false;
      }
    }
  }
}

function getSlotName (binding) {
  var name = binding.name.replace(slotRE, '');
  if (!name) {
    if (binding.name[0] !== '#') {
      name = 'default';
    } else {
      warn$2(
        "v-slot shorthand syntax requires a slot name.",
        binding
      );
    }
  }
  return dynamicArgRE.test(name)
    // dynamic [name]
    ? { name: name.slice(1, -1), dynamic: true }
    // static name
    : { name: ("\"" + name + "\""), dynamic: false }
}

// handle <slot/> outlets
function processSlotOutlet (el) {
  if (el.tag === 'slot') {
    el.slotName = getBindingAttr(el, 'name');
    if (el.key) {
      warn$2(
        "`key` does not work on <slot> because slots are abstract outlets " +
        "and can possibly expand into multiple elements. " +
        "Use the key on a wrapping element instead.",
        getRawBindingAttr(el, 'key')
      );
    }
  }
}

function processComponent (el) {
  var binding;
  if ((binding = getBindingAttr(el, 'is'))) {
    el.component = binding;
  }
  if (getAndRemoveAttr(el, 'inline-template') != null) {
    el.inlineTemplate = true;
  }
}

function processAttrs (el) {
  var list = el.attrsList;
  var i, l, name, rawName, value, modifiers, syncGen, isDynamic;
  for (i = 0, l = list.length; i < l; i++) {
    name = rawName = list[i].name;
    value = list[i].value;
    if (dirRE.test(name)) {
      // mark element as dynamic
      el.hasBindings = true;
      // modifiers
      modifiers = parseModifiers(name.replace(dirRE, ''));
      // support .foo shorthand syntax for the .prop modifier
      if (modifiers) {
        name = name.replace(modifierRE, '');
      }
      if (bindRE.test(name)) { // v-bind
        name = name.replace(bindRE, '');
        value = parseFilters(value);
        isDynamic = dynamicArgRE.test(name);
        if (isDynamic) {
          name = name.slice(1, -1);
        }
        if (
          value.trim().length === 0
        ) {
          warn$2(
            ("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"")
          );
        }
        if (modifiers) {
          if (modifiers.prop && !isDynamic) {
            name = camelize(name);
            if (name === 'innerHtml') { name = 'innerHTML'; }
          }
          if (modifiers.camel && !isDynamic) {
            name = camelize(name);
          }
          if (modifiers.sync) {
            syncGen = genAssignmentCode(value, "$event");
            if (!isDynamic) {
              addHandler(
                el,
                ("update:" + (camelize(name))),
                syncGen,
                null,
                false,
                warn$2,
                list[i]
              );
              if (hyphenate(name) !== camelize(name)) {
                addHandler(
                  el,
                  ("update:" + (hyphenate(name))),
                  syncGen,
                  null,
                  false,
                  warn$2,
                  list[i]
                );
              }
            } else {
              // handler w/ dynamic event name
              addHandler(
                el,
                ("\"update:\"+(" + name + ")"),
                syncGen,
                null,
                false,
                warn$2,
                list[i],
                true // dynamic
              );
            }
          }
        }
        if ((modifiers && modifiers.prop) || (
          !el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
        )) {
          addProp(el, name, value, list[i], isDynamic);
        } else {
          addAttr(el, name, value, list[i], isDynamic);
        }
      } else if (onRE.test(name)) { // v-on
        name = name.replace(onRE, '');
        isDynamic = dynamicArgRE.test(name);
        if (isDynamic) {
          name = name.slice(1, -1);
        }
        addHandler(el, name, value, modifiers, false, warn$2, list[i], isDynamic);
      } else { // normal directives
        name = name.replace(dirRE, '');
        // parse arg
        var argMatch = name.match(argRE);
        var arg = argMatch && argMatch[1];
        isDynamic = false;
        if (arg) {
          name = name.slice(0, -(arg.length + 1));
          if (dynamicArgRE.test(arg)) {
            arg = arg.slice(1, -1);
            isDynamic = true;
          }
        }
        addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);
        if (name === 'model') {
          checkForAliasModel(el, value);
        }
      }
    } else {
      // literal attribute
      {
        var res = parseText(value, delimiters);
        if (res) {
          warn$2(
            name + "=\"" + value + "\": " +
            'Interpolation inside attributes has been removed. ' +
            'Use v-bind or the colon shorthand instead. For example, ' +
            'instead of <div id="{{ val }}">, use <div :id="val">.',
            list[i]
          );
        }
      }
      addAttr(el, name, JSON.stringify(value), list[i]);
      // #6887 firefox doesn't update muted state if set via attribute
      // even immediately after element creation
      if (!el.component &&
          name === 'muted' &&
          platformMustUseProp(el.tag, el.attrsMap.type, name)) {
        addProp(el, name, 'true', list[i]);
      }
    }
  }
}

function checkInFor (el) {
  var parent = el;
  while (parent) {
    if (parent.for !== undefined) {
      return true
    }
    parent = parent.parent;
  }
  return false
}

function parseModifiers (name) {
  var match = name.match(modifierRE);
  if (match) {
    var ret = {};
    match.forEach(function (m) { ret[m.slice(1)] = true; });
    return ret
  }
}

function makeAttrsMap (attrs) {
  var map = {};
  for (var i = 0, l = attrs.length; i < l; i++) {
    if (
      map[attrs[i].name] && !isIE && !isEdge
    ) {
      warn$2('duplicate attribute: ' + attrs[i].name, attrs[i]);
    }
    map[attrs[i].name] = attrs[i].value;
  }
  return map
}

// for script (e.g. type="x/template") or style, do not decode content
function isTextTag (el) {
  return el.tag === 'script' || el.tag === 'style'
}

function isForbiddenTag (el) {
  return (
    el.tag === 'style' ||
    (el.tag === 'script' && (
      !el.attrsMap.type ||
      el.attrsMap.type === 'text/javascript'
    ))
  )
}

var ieNSBug = /^xmlns:NS\d+/;
var ieNSPrefix = /^NS\d+:/;

/* istanbul ignore next */
function guardIESVGBug (attrs) {
  var res = [];
  for (var i = 0; i < attrs.length; i++) {
    var attr = attrs[i];
    if (!ieNSBug.test(attr.name)) {
      attr.name = attr.name.replace(ieNSPrefix, '');
      res.push(attr);
    }
  }
  return res
}

function checkForAliasModel (el, value) {
  var _el = el;
  while (_el) {
    if (_el.for && _el.alias === value) {
      warn$2(
        "<" + (el.tag) + " v-model=\"" + value + "\">: " +
        "You are binding v-model directly to a v-for iteration alias. " +
        "This will not be able to modify the v-for source array because " +
        "writing to the alias is like modifying a function local variable. " +
        "Consider using an array of objects and use v-model on an object property instead.",
        el.rawAttrsMap['v-model']
      );
    }
    _el = _el.parent;
  }
}

/*  */

function preTransformNode (el, options) {
  if (el.tag === 'input') {
    var map = el.attrsMap;
    if (!map['v-model']) {
      return
    }

    var typeBinding;
    if (map[':type'] || map['v-bind:type']) {
      typeBinding = getBindingAttr(el, 'type');
    }
    if (!map.type && !typeBinding && map['v-bind']) {
      typeBinding = "(" + (map['v-bind']) + ").type";
    }

    if (typeBinding) {
      var ifCondition = getAndRemoveAttr(el, 'v-if', true);
      var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
      var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
      var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
      // 1. checkbox
      var branch0 = cloneASTElement(el);
      // process for on the main node
      processFor(branch0);
      addRawAttr(branch0, 'type', 'checkbox');
      processElement(branch0, options);
      branch0.processed = true; // prevent it from double-processed
      branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
      addIfCondition(branch0, {
        exp: branch0.if,
        block: branch0
      });
      // 2. add radio else-if condition
      var branch1 = cloneASTElement(el);
      getAndRemoveAttr(branch1, 'v-for', true);
      addRawAttr(branch1, 'type', 'radio');
      processElement(branch1, options);
      addIfCondition(branch0, {
        exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
        block: branch1
      });
      // 3. other
      var branch2 = cloneASTElement(el);
      getAndRemoveAttr(branch2, 'v-for', true);
      addRawAttr(branch2, ':type', typeBinding);
      processElement(branch2, options);
      addIfCondition(branch0, {
        exp: ifCondition,
        block: branch2
      });

      if (hasElse) {
        branch0.else = true;
      } else if (elseIfCondition) {
        branch0.elseif = elseIfCondition;
      }

      return branch0
    }
  }
}

function cloneASTElement (el) {
  return createASTElement(el.tag, el.attrsList.slice(), el.parent)
}

var model$1 = {
  preTransformNode: preTransformNode
};

var modules$1 = [
  klass$1,
  style$1,
  model$1
];

/*  */

function text (el, dir) {
  if (dir.value) {
    addProp(el, 'textContent', ("_s(" + (dir.value) + ")"), dir);
  }
}

/*  */

function html (el, dir) {
  if (dir.value) {
    addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"), dir);
  }
}

var directives$1 = {
  model: model,
  text: text,
  html: html
};

/*  */

var baseOptions = {
  expectHTML: true,
  modules: modules$1,
  directives: directives$1,
  isPreTag: isPreTag,
  isUnaryTag: isUnaryTag,
  mustUseProp: mustUseProp,
  canBeLeftOpenTag: canBeLeftOpenTag,
  isReservedTag: isReservedTag,
  getTagNamespace: getTagNamespace,
  staticKeys: genStaticKeys(modules$1)
};

/*  */

var isStaticKey;
var isPlatformReservedTag;

var genStaticKeysCached = cached(genStaticKeys$1);

/**
 * Goal of the optimizer: walk the generated template AST tree
 * and detect sub-trees that are purely static, i.e. parts of
 * the DOM that never needs to change.
 *
 * Once we detect these sub-trees, we can:
 *
 * 1. Hoist them into constants, so that we no longer need to
 *    create fresh nodes for them on each re-render;
 * 2. Completely skip them in the patching process.
 */
function optimize (root, options) {
  if (!root) { return }
  isStaticKey = genStaticKeysCached(options.staticKeys || '');
  isPlatformReservedTag = options.isReservedTag || no;
  // first pass: mark all non-static nodes.
  markStatic$1(root);
  // second pass: mark static roots.
  markStaticRoots(root, false);
}

function genStaticKeys$1 (keys) {
  return makeMap(
    'type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' +
    (keys ? ',' + keys : '')
  )
}

function markStatic$1 (node) {
  node.static = isStatic(node);
  if (node.type === 1) {
    // do not make component slot content static. this avoids
    // 1. components not able to mutate slot nodes
    // 2. static slot content fails for hot-reloading
    if (
      !isPlatformReservedTag(node.tag) &&
      node.tag !== 'slot' &&
      node.attrsMap['inline-template'] == null
    ) {
      return
    }
    for (var i = 0, l = node.children.length; i < l; i++) {
      var child = node.children[i];
      markStatic$1(child);
      if (!child.static) {
        node.static = false;
      }
    }
    if (node.ifConditions) {
      for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
        var block = node.ifConditions[i$1].block;
        markStatic$1(block);
        if (!block.static) {
          node.static = false;
        }
      }
    }
  }
}

function markStaticRoots (node, isInFor) {
  if (node.type === 1) {
    if (node.static || node.once) {
      node.staticInFor = isInFor;
    }
    // For a node to qualify as a static root, it should have children that
    // are not just static text. Otherwise the cost of hoisting out will
    // outweigh the benefits and it's better off to just always render it fresh.
    if (node.static && node.children.length && !(
      node.children.length === 1 &&
      node.children[0].type === 3
    )) {
      node.staticRoot = true;
      return
    } else {
      node.staticRoot = false;
    }
    if (node.children) {
      for (var i = 0, l = node.children.length; i < l; i++) {
        markStaticRoots(node.children[i], isInFor || !!node.for);
      }
    }
    if (node.ifConditions) {
      for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
        markStaticRoots(node.ifConditions[i$1].block, isInFor);
      }
    }
  }
}

function isStatic (node) {
  if (node.type === 2) { // expression
    return false
  }
  if (node.type === 3) { // text
    return true
  }
  return !!(node.pre || (
    !node.hasBindings && // no dynamic bindings
    !node.if && !node.for && // not v-if or v-for or v-else
    !isBuiltInTag(node.tag) && // not a built-in
    isPlatformReservedTag(node.tag) && // not a component
    !isDirectChildOfTemplateFor(node) &&
    Object.keys(node).every(isStaticKey)
  ))
}

function isDirectChildOfTemplateFor (node) {
  while (node.parent) {
    node = node.parent;
    if (node.tag !== 'template') {
      return false
    }
    if (node.for) {
      return true
    }
  }
  return false
}

/*  */

var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function(?:\s+[\w$]+)?\s*\(/;
var fnInvokeRE = /\([^)]*?\);*$/;
var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;

// KeyboardEvent.keyCode aliases
var keyCodes = {
  esc: 27,
  tab: 9,
  enter: 13,
  space: 32,
  up: 38,
  left: 37,
  right: 39,
  down: 40,
  'delete': [8, 46]
};

// KeyboardEvent.key aliases
var keyNames = {
  // #7880: IE11 and Edge use `Esc` for Escape key name.
  esc: ['Esc', 'Escape'],
  tab: 'Tab',
  enter: 'Enter',
  // #9112: IE11 uses `Spacebar` for Space key name.
  space: [' ', 'Spacebar'],
  // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
  up: ['Up', 'ArrowUp'],
  left: ['Left', 'ArrowLeft'],
  right: ['Right', 'ArrowRight'],
  down: ['Down', 'ArrowDown'],
  // #9112: IE11 uses `Del` for Delete key name.
  'delete': ['Backspace', 'Delete', 'Del']
};

// #4868: modifiers that prevent the execution of the listener
// need to explicitly return null so that we can determine whether to remove
// the listener for .once
var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };

var modifierCode = {
  stop: '$event.stopPropagation();',
  prevent: '$event.preventDefault();',
  self: genGuard("$event.target !== $event.currentTarget"),
  ctrl: genGuard("!$event.ctrlKey"),
  shift: genGuard("!$event.shiftKey"),
  alt: genGuard("!$event.altKey"),
  meta: genGuard("!$event.metaKey"),
  left: genGuard("'button' in $event && $event.button !== 0"),
  middle: genGuard("'button' in $event && $event.button !== 1"),
  right: genGuard("'button' in $event && $event.button !== 2")
};

function genHandlers (
  events,
  isNative
) {
  var prefix = isNative ? 'nativeOn:' : 'on:';
  var staticHandlers = "";
  var dynamicHandlers = "";
  for (var name in events) {
    var handlerCode = genHandler(events[name]);
    if (events[name] && events[name].dynamic) {
      dynamicHandlers += name + "," + handlerCode + ",";
    } else {
      staticHandlers += "\"" + name + "\":" + handlerCode + ",";
    }
  }
  staticHandlers = "{" + (staticHandlers.slice(0, -1)) + "}";
  if (dynamicHandlers) {
    return prefix + "_d(" + staticHandlers + ",[" + (dynamicHandlers.slice(0, -1)) + "])"
  } else {
    return prefix + staticHandlers
  }
}

function genHandler (handler) {
  if (!handler) {
    return 'function(){}'
  }

  if (Array.isArray(handler)) {
    return ("[" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + "]")
  }

  var isMethodPath = simplePathRE.test(handler.value);
  var isFunctionExpression = fnExpRE.test(handler.value);
  var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));

  if (!handler.modifiers) {
    if (isMethodPath || isFunctionExpression) {
      return handler.value
    }
    return ("function($event){" + (isFunctionInvocation ? ("return " + (handler.value)) : handler.value) + "}") // inline statement
  } else {
    var code = '';
    var genModifierCode = '';
    var keys = [];
    for (var key in handler.modifiers) {
      if (modifierCode[key]) {
        genModifierCode += modifierCode[key];
        // left/right
        if (keyCodes[key]) {
          keys.push(key);
        }
      } else if (key === 'exact') {
        var modifiers = (handler.modifiers);
        genModifierCode += genGuard(
          ['ctrl', 'shift', 'alt', 'meta']
            .filter(function (keyModifier) { return !modifiers[keyModifier]; })
            .map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
            .join('||')
        );
      } else {
        keys.push(key);
      }
    }
    if (keys.length) {
      code += genKeyFilter(keys);
    }
    // Make sure modifiers like prevent and stop get executed after key filtering
    if (genModifierCode) {
      code += genModifierCode;
    }
    var handlerCode = isMethodPath
      ? ("return " + (handler.value) + "($event)")
      : isFunctionExpression
        ? ("return (" + (handler.value) + ")($event)")
        : isFunctionInvocation
          ? ("return " + (handler.value))
          : handler.value;
    return ("function($event){" + code + handlerCode + "}")
  }
}

function genKeyFilter (keys) {
  return (
    // make sure the key filters only apply to KeyboardEvents
    // #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
    // key events that do not have keyCode property...
    "if(!$event.type.indexOf('key')&&" +
    (keys.map(genFilterCode).join('&&')) + ")return null;"
  )
}

function genFilterCode (key) {
  var keyVal = parseInt(key, 10);
  if (keyVal) {
    return ("$event.keyCode!==" + keyVal)
  }
  var keyCode = keyCodes[key];
  var keyName = keyNames[key];
  return (
    "_k($event.keyCode," +
    (JSON.stringify(key)) + "," +
    (JSON.stringify(keyCode)) + "," +
    "$event.key," +
    "" + (JSON.stringify(keyName)) +
    ")"
  )
}

/*  */

function on (el, dir) {
  if (dir.modifiers) {
    warn("v-on without argument does not support modifiers.");
  }
  el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
}

/*  */

function bind$1 (el, dir) {
  el.wrapData = function (code) {
    return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
  };
}

/*  */

var baseDirectives = {
  on: on,
  bind: bind$1,
  cloak: noop
};

/*  */





var CodegenState = function CodegenState (options) {
  this.options = options;
  this.warn = options.warn || baseWarn;
  this.transforms = pluckModuleFunction(options.modules, 'transformCode');
  this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
  this.directives = extend(extend({}, baseDirectives), options.directives);
  var isReservedTag = options.isReservedTag || no;
  this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };
  this.onceId = 0;
  this.staticRenderFns = [];
  this.pre = false;
};



function generate (
  ast,
  options
) {
  var state = new CodegenState(options);
  var code = ast ? genElement(ast, state) : '_c("div")';
  return {
    render: ("with(this){return " + code + "}"),
    staticRenderFns: state.staticRenderFns
  }
}

function genElement (el, state) {
  if (el.parent) {
    el.pre = el.pre || el.parent.pre;
  }

  if (el.staticRoot && !el.staticProcessed) {
    return genStatic(el, state)
  } else if (el.once && !el.onceProcessed) {
    return genOnce(el, state)
  } else if (el.for && !el.forProcessed) {
    return genFor(el, state)
  } else if (el.if && !el.ifProcessed) {
    return genIf(el, state)
  } else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
    return genChildren(el, state) || 'void 0'
  } else if (el.tag === 'slot') {
    return genSlot(el, state)
  } else {
    // component or element
    var code;
    if (el.component) {
      code = genComponent(el.component, el, state);
    } else {
      var data;
      if (!el.plain || (el.pre && state.maybeComponent(el))) {
        data = genData$2(el, state);
      }

      var children = el.inlineTemplate ? null : genChildren(el, state, true);
      code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
    }
    // module transforms
    for (var i = 0; i < state.transforms.length; i++) {
      code = state.transforms[i](el, code);
    }
    return code
  }
}

// hoist static sub-trees out
function genStatic (el, state) {
  el.staticProcessed = true;
  // Some elements (templates) need to behave differently inside of a v-pre
  // node.  All pre nodes are static roots, so we can use this as a location to
  // wrap a state change and reset it upon exiting the pre node.
  var originalPreState = state.pre;
  if (el.pre) {
    state.pre = el.pre;
  }
  state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
  state.pre = originalPreState;
  return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
}

// v-once
function genOnce (el, state) {
  el.onceProcessed = true;
  if (el.if && !el.ifProcessed) {
    return genIf(el, state)
  } else if (el.staticInFor) {
    var key = '';
    var parent = el.parent;
    while (parent) {
      if (parent.for) {
        key = parent.key;
        break
      }
      parent = parent.parent;
    }
    if (!key) {
      state.warn(
        "v-once can only be used inside v-for that is keyed. ",
        el.rawAttrsMap['v-once']
      );
      return genElement(el, state)
    }
    return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
  } else {
    return genStatic(el, state)
  }
}

function genIf (
  el,
  state,
  altGen,
  altEmpty
) {
  el.ifProcessed = true; // avoid recursion
  return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
}

function genIfConditions (
  conditions,
  state,
  altGen,
  altEmpty
) {
  if (!conditions.length) {
    return altEmpty || '_e()'
  }

  var condition = conditions.shift();
  if (condition.exp) {
    return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
  } else {
    return ("" + (genTernaryExp(condition.block)))
  }

  // v-if with v-once should generate code like (a)?_m(0):_m(1)
  function genTernaryExp (el) {
    return altGen
      ? altGen(el, state)
      : el.once
        ? genOnce(el, state)
        : genElement(el, state)
  }
}

function genFor (
  el,
  state,
  altGen,
  altHelper
) {
  var exp = el.for;
  var alias = el.alias;
  var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
  var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';

  if (state.maybeComponent(el) &&
    el.tag !== 'slot' &&
    el.tag !== 'template' &&
    !el.key
  ) {
    state.warn(
      "<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
      "v-for should have explicit keys. " +
      "See https://vuejs.org/guide/list.html#key for more info.",
      el.rawAttrsMap['v-for'],
      true /* tip */
    );
  }

  el.forProcessed = true; // avoid recursion
  return (altHelper || '_l') + "((" + exp + ")," +
    "function(" + alias + iterator1 + iterator2 + "){" +
      "return " + ((altGen || genElement)(el, state)) +
    '})'
}

function genData$2 (el, state) {
  var data = '{';

  // directives first.
  // directives may mutate the el's other properties before they are generated.
  var dirs = genDirectives(el, state);
  if (dirs) { data += dirs + ','; }

  // key
  if (el.key) {
    data += "key:" + (el.key) + ",";
  }
  // ref
  if (el.ref) {
    data += "ref:" + (el.ref) + ",";
  }
  if (el.refInFor) {
    data += "refInFor:true,";
  }
  // pre
  if (el.pre) {
    data += "pre:true,";
  }
  // record original tag name for components using "is" attribute
  if (el.component) {
    data += "tag:\"" + (el.tag) + "\",";
  }
  // module data generation functions
  for (var i = 0; i < state.dataGenFns.length; i++) {
    data += state.dataGenFns[i](el);
  }
  // attributes
  if (el.attrs) {
    data += "attrs:" + (genProps(el.attrs)) + ",";
  }
  // DOM props
  if (el.props) {
    data += "domProps:" + (genProps(el.props)) + ",";
  }
  // event handlers
  if (el.events) {
    data += (genHandlers(el.events, false)) + ",";
  }
  if (el.nativeEvents) {
    data += (genHandlers(el.nativeEvents, true)) + ",";
  }
  // slot target
  // only for non-scoped slots
  if (el.slotTarget && !el.slotScope) {
    data += "slot:" + (el.slotTarget) + ",";
  }
  // scoped slots
  if (el.scopedSlots) {
    data += (genScopedSlots(el, el.scopedSlots, state)) + ",";
  }
  // component v-model
  if (el.model) {
    data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
  }
  // inline-template
  if (el.inlineTemplate) {
    var inlineTemplate = genInlineTemplate(el, state);
    if (inlineTemplate) {
      data += inlineTemplate + ",";
    }
  }
  data = data.replace(/,$/, '') + '}';
  // v-bind dynamic argument wrap
  // v-bind with dynamic arguments must be applied using the same v-bind object
  // merge helper so that class/style/mustUseProp attrs are handled correctly.
  if (el.dynamicAttrs) {
    data = "_b(" + data + ",\"" + (el.tag) + "\"," + (genProps(el.dynamicAttrs)) + ")";
  }
  // v-bind data wrap
  if (el.wrapData) {
    data = el.wrapData(data);
  }
  // v-on data wrap
  if (el.wrapListeners) {
    data = el.wrapListeners(data);
  }
  return data
}

function genDirectives (el, state) {
  var dirs = el.directives;
  if (!dirs) { return }
  var res = 'directives:[';
  var hasRuntime = false;
  var i, l, dir, needRuntime;
  for (i = 0, l = dirs.length; i < l; i++) {
    dir = dirs[i];
    needRuntime = true;
    var gen = state.directives[dir.name];
    if (gen) {
      // compile-time directive that manipulates AST.
      // returns true if it also needs a runtime counterpart.
      needRuntime = !!gen(el, dir, state.warn);
    }
    if (needRuntime) {
      hasRuntime = true;
      res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:" + (dir.isDynamicArg ? dir.arg : ("\"" + (dir.arg) + "\""))) : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
    }
  }
  if (hasRuntime) {
    return res.slice(0, -1) + ']'
  }
}

function genInlineTemplate (el, state) {
  var ast = el.children[0];
  if (el.children.length !== 1 || ast.type !== 1) {
    state.warn(
      'Inline-template components must have exactly one child element.',
      { start: el.start }
    );
  }
  if (ast && ast.type === 1) {
    var inlineRenderFns = generate(ast, state.options);
    return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
  }
}

function genScopedSlots (
  el,
  slots,
  state
) {
  // by default scoped slots are considered "stable", this allows child
  // components with only scoped slots to skip forced updates from parent.
  // but in some cases we have to bail-out of this optimization
  // for example if the slot contains dynamic names, has v-if or v-for on them...
  var needsForceUpdate = el.for || Object.keys(slots).some(function (key) {
    var slot = slots[key];
    return (
      slot.slotTargetDynamic ||
      slot.if ||
      slot.for ||
      containsSlotChild(slot) // is passing down slot from parent which may be dynamic
    )
  });

  // #9534: if a component with scoped slots is inside a conditional branch,
  // it's possible for the same component to be reused but with different
  // compiled slot content. To avoid that, we generate a unique key based on
  // the generated code of all the slot contents.
  var needsKey = !!el.if;

  // OR when it is inside another scoped slot or v-for (the reactivity may be
  // disconnected due to the intermediate scope variable)
  // #9438, #9506
  // TODO: this can be further optimized by properly analyzing in-scope bindings
  // and skip force updating ones that do not actually use scope variables.
  if (!needsForceUpdate) {
    var parent = el.parent;
    while (parent) {
      if (
        (parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||
        parent.for
      ) {
        needsForceUpdate = true;
        break
      }
      if (parent.if) {
        needsKey = true;
      }
      parent = parent.parent;
    }
  }

  var generatedSlots = Object.keys(slots)
    .map(function (key) { return genScopedSlot(slots[key], state); })
    .join(',');

  return ("scopedSlots:_u([" + generatedSlots + "]" + (needsForceUpdate ? ",null,true" : "") + (!needsForceUpdate && needsKey ? (",null,false," + (hash(generatedSlots))) : "") + ")")
}

function hash(str) {
  var hash = 5381;
  var i = str.length;
  while(i) {
    hash = (hash * 33) ^ str.charCodeAt(--i);
  }
  return hash >>> 0
}

function containsSlotChild (el) {
  if (el.type === 1) {
    if (el.tag === 'slot') {
      return true
    }
    return el.children.some(containsSlotChild)
  }
  return false
}

function genScopedSlot (
  el,
  state
) {
  var isLegacySyntax = el.attrsMap['slot-scope'];
  if (el.if && !el.ifProcessed && !isLegacySyntax) {
    return genIf(el, state, genScopedSlot, "null")
  }
  if (el.for && !el.forProcessed) {
    return genFor(el, state, genScopedSlot)
  }
  var slotScope = el.slotScope === emptySlotScopeToken
    ? ""
    : String(el.slotScope);
  var fn = "function(" + slotScope + "){" +
    "return " + (el.tag === 'template'
      ? el.if && isLegacySyntax
        ? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined")
        : genChildren(el, state) || 'undefined'
      : genElement(el, state)) + "}";
  // reverse proxy v-slot without scope on this.$slots
  var reverseProxy = slotScope ? "" : ",proxy:true";
  return ("{key:" + (el.slotTarget || "\"default\"") + ",fn:" + fn + reverseProxy + "}")
}

function genChildren (
  el,
  state,
  checkSkip,
  altGenElement,
  altGenNode
) {
  var children = el.children;
  if (children.length) {
    var el$1 = children[0];
    // optimize single v-for
    if (children.length === 1 &&
      el$1.for &&
      el$1.tag !== 'template' &&
      el$1.tag !== 'slot'
    ) {
      var normalizationType = checkSkip
        ? state.maybeComponent(el$1) ? ",1" : ",0"
        : "";
      return ("" + ((altGenElement || genElement)(el$1, state)) + normalizationType)
    }
    var normalizationType$1 = checkSkip
      ? getNormalizationType(children, state.maybeComponent)
      : 0;
    var gen = altGenNode || genNode;
    return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType$1 ? ("," + normalizationType$1) : ''))
  }
}

// determine the normalization needed for the children array.
// 0: no normalization needed
// 1: simple normalization needed (possible 1-level deep nested array)
// 2: full normalization needed
function getNormalizationType (
  children,
  maybeComponent
) {
  var res = 0;
  for (var i = 0; i < children.length; i++) {
    var el = children[i];
    if (el.type !== 1) {
      continue
    }
    if (needsNormalization(el) ||
        (el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
      res = 2;
      break
    }
    if (maybeComponent(el) ||
        (el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
      res = 1;
    }
  }
  return res
}

function needsNormalization (el) {
  return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
}

function genNode (node, state) {
  if (node.type === 1) {
    return genElement(node, state)
  } else if (node.type === 3 && node.isComment) {
    return genComment(node)
  } else {
    return genText(node)
  }
}

function genText (text) {
  return ("_v(" + (text.type === 2
    ? text.expression // no need for () because already wrapped in _s()
    : transformSpecialNewlines(JSON.stringify(text.text))) + ")")
}

function genComment (comment) {
  return ("_e(" + (JSON.stringify(comment.text)) + ")")
}

function genSlot (el, state) {
  var slotName = el.slotName || '"default"';
  var children = genChildren(el, state);
  var res = "_t(" + slotName + (children ? ("," + children) : '');
  var attrs = el.attrs || el.dynamicAttrs
    ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({
        // slot props are camelized
        name: camelize(attr.name),
        value: attr.value,
        dynamic: attr.dynamic
      }); }))
    : null;
  var bind$$1 = el.attrsMap['v-bind'];
  if ((attrs || bind$$1) && !children) {
    res += ",null";
  }
  if (attrs) {
    res += "," + attrs;
  }
  if (bind$$1) {
    res += (attrs ? '' : ',null') + "," + bind$$1;
  }
  return res + ')'
}

// componentName is el.component, take it as argument to shun flow's pessimistic refinement
function genComponent (
  componentName,
  el,
  state
) {
  var children = el.inlineTemplate ? null : genChildren(el, state, true);
  return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
}

function genProps (props) {
  var staticProps = "";
  var dynamicProps = "";
  for (var i = 0; i < props.length; i++) {
    var prop = props[i];
    var value = transformSpecialNewlines(prop.value);
    if (prop.dynamic) {
      dynamicProps += (prop.name) + "," + value + ",";
    } else {
      staticProps += "\"" + (prop.name) + "\":" + value + ",";
    }
  }
  staticProps = "{" + (staticProps.slice(0, -1)) + "}";
  if (dynamicProps) {
    return ("_d(" + staticProps + ",[" + (dynamicProps.slice(0, -1)) + "])")
  } else {
    return staticProps
  }
}

// #3895, #4268
function transformSpecialNewlines (text) {
  return text
    .replace(/\u2028/g, '\\u2028')
    .replace(/\u2029/g, '\\u2029')
}

/*  */



// these keywords should not appear inside expressions, but operators like
// typeof, instanceof and in are allowed
var prohibitedKeywordRE = new RegExp('\\b' + (
  'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
  'super,throw,while,yield,delete,export,import,return,switch,default,' +
  'extends,finally,continue,debugger,function,arguments'
).split(',').join('\\b|\\b') + '\\b');

// these unary operators should not be used as property/method names
var unaryOperatorsRE = new RegExp('\\b' + (
  'delete,typeof,void'
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');

// strip strings in expressions
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;

// detect problematic expressions in a template
function detectErrors (ast, warn) {
  if (ast) {
    checkNode(ast, warn);
  }
}

function checkNode (node, warn) {
  if (node.type === 1) {
    for (var name in node.attrsMap) {
      if (dirRE.test(name)) {
        var value = node.attrsMap[name];
        if (value) {
          var range = node.rawAttrsMap[name];
          if (name === 'v-for') {
            checkFor(node, ("v-for=\"" + value + "\""), warn, range);
          } else if (name === 'v-slot' || name[0] === '#') {
            checkFunctionParameterExpression(value, (name + "=\"" + value + "\""), warn, range);
          } else if (onRE.test(name)) {
            checkEvent(value, (name + "=\"" + value + "\""), warn, range);
          } else {
            checkExpression(value, (name + "=\"" + value + "\""), warn, range);
          }
        }
      }
    }
    if (node.children) {
      for (var i = 0; i < node.children.length; i++) {
        checkNode(node.children[i], warn);
      }
    }
  } else if (node.type === 2) {
    checkExpression(node.expression, node.text, warn, node);
  }
}

function checkEvent (exp, text, warn, range) {
  var stripped = exp.replace(stripStringRE, '');
  var keywordMatch = stripped.match(unaryOperatorsRE);
  if (keywordMatch && stripped.charAt(keywordMatch.index - 1) !== '$') {
    warn(
      "avoid using JavaScript unary operator as property name: " +
      "\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()),
      range
    );
  }
  checkExpression(exp, text, warn, range);
}

function checkFor (node, text, warn, range) {
  checkExpression(node.for || '', text, warn, range);
  checkIdentifier(node.alias, 'v-for alias', text, warn, range);
  checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
  checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
}

function checkIdentifier (
  ident,
  type,
  text,
  warn,
  range
) {
  if (typeof ident === 'string') {
    try {
      new Function(("var " + ident + "=_"));
    } catch (e) {
      warn(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())), range);
    }
  }
}

function checkExpression (exp, text, warn, range) {
  try {
    new Function(("return " + exp));
  } catch (e) {
    var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
    if (keywordMatch) {
      warn(
        "avoid using JavaScript keyword as property name: " +
        "\"" + (keywordMatch[0]) + "\"\n  Raw expression: " + (text.trim()),
        range
      );
    } else {
      warn(
        "invalid expression: " + (e.message) + " in\n\n" +
        "    " + exp + "\n\n" +
        "  Raw expression: " + (text.trim()) + "\n",
        range
      );
    }
  }
}

function checkFunctionParameterExpression (exp, text, warn, range) {
  try {
    new Function(exp, '');
  } catch (e) {
    warn(
      "invalid function parameter expression: " + (e.message) + " in\n\n" +
      "    " + exp + "\n\n" +
      "  Raw expression: " + (text.trim()) + "\n",
      range
    );
  }
}

/*  */

var range = 2;

function generateCodeFrame (
  source,
  start,
  end
) {
  if ( start === void 0 ) start = 0;
  if ( end === void 0 ) end = source.length;

  var lines = source.split(/\r?\n/);
  var count = 0;
  var res = [];
  for (var i = 0; i < lines.length; i++) {
    count += lines[i].length + 1;
    if (count >= start) {
      for (var j = i - range; j <= i + range || end > count; j++) {
        if (j < 0 || j >= lines.length) { continue }
        res.push(("" + (j + 1) + (repeat$1(" ", 3 - String(j + 1).length)) + "|  " + (lines[j])));
        var lineLength = lines[j].length;
        if (j === i) {
          // push underline
          var pad = start - (count - lineLength) + 1;
          var length = end > count ? lineLength - pad : end - start;
          res.push("   |  " + repeat$1(" ", pad) + repeat$1("^", length));
        } else if (j > i) {
          if (end > count) {
            var length$1 = Math.min(end - count, lineLength);
            res.push("   |  " + repeat$1("^", length$1));
          }
          count += lineLength + 1;
        }
      }
      break
    }
  }
  return res.join('\n')
}

function repeat$1 (str, n) {
  var result = '';
  if (n > 0) {
    while (true) { // eslint-disable-line
      if (n & 1) { result += str; }
      n >>>= 1;
      if (n <= 0) { break }
      str += str;
    }
  }
  return result
}

/*  */



function createFunction (code, errors) {
  try {
    return new Function(code)
  } catch (err) {
    errors.push({ err: err, code: code });
    return noop
  }
}

function createCompileToFunctionFn (compile) {
  var cache = Object.create(null);

  return function compileToFunctions (
    template,
    options,
    vm
  ) {
    options = extend({}, options);
    var warn$$1 = options.warn || warn;
    delete options.warn;

    /* istanbul ignore if */
    {
      // detect possible CSP restriction
      try {
        new Function('return 1');
      } catch (e) {
        if (e.toString().match(/unsafe-eval|CSP/)) {
          warn$$1(
            'It seems you are using the standalone build of Vue.js in an ' +
            'environment with Content Security Policy that prohibits unsafe-eval. ' +
            'The template compiler cannot work in this environment. Consider ' +
            'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
            'templates into render functions.'
          );
        }
      }
    }

    // check cache
    var key = options.delimiters
      ? String(options.delimiters) + template
      : template;
    if (cache[key]) {
      return cache[key]
    }

    // compile
    var compiled = compile(template, options);

    // check compilation errors/tips
    {
      if (compiled.errors && compiled.errors.length) {
        if (options.outputSourceRange) {
          compiled.errors.forEach(function (e) {
            warn$$1(
              "Error compiling template:\n\n" + (e.msg) + "\n\n" +
              generateCodeFrame(template, e.start, e.end),
              vm
            );
          });
        } else {
          warn$$1(
            "Error compiling template:\n\n" + template + "\n\n" +
            compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
            vm
          );
        }
      }
      if (compiled.tips && compiled.tips.length) {
        if (options.outputSourceRange) {
          compiled.tips.forEach(function (e) { return tip(e.msg, vm); });
        } else {
          compiled.tips.forEach(function (msg) { return tip(msg, vm); });
        }
      }
    }

    // turn code into functions
    var res = {};
    var fnGenErrors = [];
    res.render = createFunction(compiled.render, fnGenErrors);
    res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
      return createFunction(code, fnGenErrors)
    });

    // check function generation errors.
    // this should only happen if there is a bug in the compiler itself.
    // mostly for codegen development use
    /* istanbul ignore if */
    {
      if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
        warn$$1(
          "Failed to generate render function:\n\n" +
          fnGenErrors.map(function (ref) {
            var err = ref.err;
            var code = ref.code;

            return ((err.toString()) + " in\n\n" + code + "\n");
        }).join('\n'),
          vm
        );
      }
    }

    return (cache[key] = res)
  }
}

/*  */

function createCompilerCreator (baseCompile) {
  return function createCompiler (baseOptions) {
    function compile (
      template,
      options
    ) {
      var finalOptions = Object.create(baseOptions);
      var errors = [];
      var tips = [];

      var warn = function (msg, range, tip) {
        (tip ? tips : errors).push(msg);
      };

      if (options) {
        if (options.outputSourceRange) {
          // $flow-disable-line
          var leadingSpaceLength = template.match(/^\s*/)[0].length;

          warn = function (msg, range, tip) {
            var data = { msg: msg };
            if (range) {
              if (range.start != null) {
                data.start = range.start + leadingSpaceLength;
              }
              if (range.end != null) {
                data.end = range.end + leadingSpaceLength;
              }
            }
            (tip ? tips : errors).push(data);
          };
        }
        // merge custom modules
        if (options.modules) {
          finalOptions.modules =
            (baseOptions.modules || []).concat(options.modules);
        }
        // merge custom directives
        if (options.directives) {
          finalOptions.directives = extend(
            Object.create(baseOptions.directives || null),
            options.directives
          );
        }
        // copy other options
        for (var key in options) {
          if (key !== 'modules' && key !== 'directives') {
            finalOptions[key] = options[key];
          }
        }
      }

      finalOptions.warn = warn;

      var compiled = baseCompile(template.trim(), finalOptions);
      {
        detectErrors(compiled.ast, warn);
      }
      compiled.errors = errors;
      compiled.tips = tips;
      return compiled
    }

    return {
      compile: compile,
      compileToFunctions: createCompileToFunctionFn(compile)
    }
  }
}

/*  */

// `createCompilerCreator` allows creating compilers that use alternative
// parser/optimizer/codegen, e.g the SSR optimizing compiler.
// Here we just export a default compiler using the default parts.
var createCompiler = createCompilerCreator(function baseCompile (
  template,
  options
) {
  var ast = parse(template.trim(), options);
  if (options.optimize !== false) {
    optimize(ast, options);
  }
  var code = generate(ast, options);
  return {
    ast: ast,
    render: code.render,
    staticRenderFns: code.staticRenderFns
  }
});

/*  */

var ref$1 = createCompiler(baseOptions);
var compile = ref$1.compile;
var compileToFunctions = ref$1.compileToFunctions;

/*  */

// check whether current browser encodes a char inside attribute values
var div;
function getShouldDecode (href) {
  div = div || document.createElement('div');
  div.innerHTML = href ? "<a href=\"\n\"/>" : "<div a=\"\n\"/>";
  return div.innerHTML.indexOf('&#10;') > 0
}

// #3663: IE encodes newlines inside attribute values while other browsers don't
var shouldDecodeNewlines = inBrowser ? getShouldDecode(false) : false;
// #6828: chrome encodes content in a[href]
var shouldDecodeNewlinesForHref = inBrowser ? getShouldDecode(true) : false;

/*  */

var idToTemplate = cached(function (id) {
  var el = query(id);
  return el && el.innerHTML
});

var mount = Vue.prototype.$mount;
Vue.prototype.$mount = function (
  el,
  hydrating
) {
  el = el && query(el);

  /* istanbul ignore if */
  if (el === document.body || el === document.documentElement) {
    warn(
      "Do not mount Vue to <html> or <body> - mount to normal elements instead."
    );
    return this
  }

  var options = this.$options;
  // resolve template/el and convert to render function
  if (!options.render) {
    var template = options.template;
    if (template) {
      if (typeof template === 'string') {
        if (template.charAt(0) === '#') {
          template = idToTemplate(template);
          /* istanbul ignore if */
          if (!template) {
            warn(
              ("Template element not found or is empty: " + (options.template)),
              this
            );
          }
        }
      } else if (template.nodeType) {
        template = template.innerHTML;
      } else {
        {
          warn('invalid template option:' + template, this);
        }
        return this
      }
    } else if (el) {
      template = getOuterHTML(el);
    }
    if (template) {
      /* istanbul ignore if */
      if (config.performance && mark) {
        mark('compile');
      }

      var ref = compileToFunctions(template, {
        outputSourceRange: "development" !== 'production',
        shouldDecodeNewlines: shouldDecodeNewlines,
        shouldDecodeNewlinesForHref: shouldDecodeNewlinesForHref,
        delimiters: options.delimiters,
        comments: options.comments
      }, this);
      var render = ref.render;
      var staticRenderFns = ref.staticRenderFns;
      options.render = render;
      options.staticRenderFns = staticRenderFns;

      /* istanbul ignore if */
      if (config.performance && mark) {
        mark('compile end');
        measure(("vue " + (this._name) + " compile"), 'compile', 'compile end');
      }
    }
  }
  return mount.call(this, el, hydrating)
};

/**
 * Get outerHTML of elements, taking care
 * of SVG elements in IE as well.
 */
function getOuterHTML (el) {
  if (el.outerHTML) {
    return el.outerHTML
  } else {
    var container = document.createElement('div');
    container.appendChild(el.cloneNode(true));
    return container.innerHTML
  }
}

Vue.compile = compileToFunctions;

module.exports = Vue;

/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js"), __webpack_require__(/*! ./../../timers-browserify/main.js */ "./node_modules/timers-browserify/main.js").setImmediate))

/***/ }),

/***/ "./node_modules/vue/dist/vue.common.js":
/*!*********************************************!*\
  !*** ./node_modules/vue/dist/vue.common.js ***!
  \*********************************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

if (false) {} else {
  module.exports = __webpack_require__(/*! ./vue.common.dev.js */ "./node_modules/vue/dist/vue.common.dev.js")
}


/***/ }),

/***/ "./node_modules/webpack/buildin/global.js":
/*!***********************************!*\
  !*** (webpack)/buildin/global.js ***!
  \***********************************/
/*! no static exports found */
/***/ (function(module, exports) {

var g;

// This works in non-strict mode
g = (function() {
	return this;
})();

try {
	// This works if eval is allowed (see CSP)
	g = g || new Function("return this")();
} catch (e) {
	// This works if the window reference is available
	if (typeof window === "object") g = window;
}

// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}

module.exports = g;


/***/ }),

/***/ "./node_modules/webpack/buildin/module.js":
/*!***********************************!*\
  !*** (webpack)/buildin/module.js ***!
  \***********************************/
/*! no static exports found */
/***/ (function(module, exports) {

module.exports = function(module) {
	if (!module.webpackPolyfill) {
		module.deprecate = function() {};
		module.paths = [];
		// module.parent = undefined by default
		if (!module.children) module.children = [];
		Object.defineProperty(module, "loaded", {
			enumerable: true,
			get: function() {
				return module.l;
			}
		});
		Object.defineProperty(module, "id", {
			enumerable: true,
			get: function() {
				return module.i;
			}
		});
		module.webpackPolyfill = 1;
	}
	return module;
};


/***/ }),

/***/ "./resources/css/app.css":
/*!*******************************!*\
  !*** ./resources/css/app.css ***!
  \*******************************/
/*! no static exports found */
/***/ (function(module, exports) {

// removed by extract-text-webpack-plugin

/***/ }),

/***/ "./resources/js/app.js":
/*!*****************************!*\
  !*** ./resources/js/app.js ***!
  \*****************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var vue__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! vue */ "./node_modules/vue/dist/vue.common.js");
/* harmony import */ var vue__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(vue__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var _components_navbar_navbar_vue__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./components/navbar/navbar.vue */ "./resources/js/components/navbar/navbar.vue");
/* harmony import */ var _components_navbar_messages_link_vue__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./components/navbar/messages-link.vue */ "./resources/js/components/navbar/messages-link.vue");
/* harmony import */ var _components_navbar_group_selection_vue__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./components/navbar/group-selection.vue */ "./resources/js/components/navbar/group-selection.vue");
/* harmony import */ var _components_group_panel_vue__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ./components/group-panel.vue */ "./resources/js/components/group-panel.vue");
/* harmony import */ var _components_empty_group_panel_vue__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ./components/empty-group-panel.vue */ "./resources/js/components/empty-group-panel.vue");
/* harmony import */ var _components_members_panel_vue__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ./components/members-panel.vue */ "./resources/js/components/members-panel.vue");
/* harmony import */ var _components_users_user_show_vue__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(/*! ./components/users/user-show.vue */ "./resources/js/components/users/user-show.vue");
/* harmony import */ var _components_users_user_edit_vue__WEBPACK_IMPORTED_MODULE_8__ = __webpack_require__(/*! ./components/users/user-edit.vue */ "./resources/js/components/users/user-edit.vue");
/* harmony import */ var _components_users_user_settings_vue__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ./components/users/user-settings.vue */ "./resources/js/components/users/user-settings.vue");
/* harmony import */ var _components_users_group_members_vue__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ./components/users/group-members.vue */ "./resources/js/components/users/group-members.vue");
/* harmony import */ var _components_users_invite_members_vue__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ./components/users/invite-members.vue */ "./resources/js/components/users/invite-members.vue");
/* harmony import */ var _components_users_user_events_vue__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! ./components/users/user-events.vue */ "./resources/js/components/users/user-events.vue");
/* harmony import */ var _components_users_user_assignments_vue__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! ./components/users/user-assignments.vue */ "./resources/js/components/users/user-assignments.vue");
/* harmony import */ var _components_notes_note_index_vue__WEBPACK_IMPORTED_MODULE_14__ = __webpack_require__(/*! ./components/notes/note-index.vue */ "./resources/js/components/notes/note-index.vue");
/* harmony import */ var _components_events_group_events_vue__WEBPACK_IMPORTED_MODULE_15__ = __webpack_require__(/*! ./components/events/group-events.vue */ "./resources/js/components/events/group-events.vue");
/* harmony import */ var _components_events_event_show_vue__WEBPACK_IMPORTED_MODULE_16__ = __webpack_require__(/*! ./components/events/event-show.vue */ "./resources/js/components/events/event-show.vue");
/* harmony import */ var _components_events_event_edit_vue__WEBPACK_IMPORTED_MODULE_17__ = __webpack_require__(/*! ./components/events/event-edit.vue */ "./resources/js/components/events/event-edit.vue");
/* harmony import */ var _components_events_events_table_vue__WEBPACK_IMPORTED_MODULE_18__ = __webpack_require__(/*! ./components/events/events-table.vue */ "./resources/js/components/events/events-table.vue");
/* harmony import */ var _components_comments_event_comments_vue__WEBPACK_IMPORTED_MODULE_19__ = __webpack_require__(/*! ./components/comments/event-comments.vue */ "./resources/js/components/comments/event-comments.vue");
/* harmony import */ var _components_assignments_group_assignments_vue__WEBPACK_IMPORTED_MODULE_20__ = __webpack_require__(/*! ./components/assignments/group-assignments.vue */ "./resources/js/components/assignments/group-assignments.vue");
/* harmony import */ var _components_assignments_assignment_show_vue__WEBPACK_IMPORTED_MODULE_21__ = __webpack_require__(/*! ./components/assignments/assignment-show.vue */ "./resources/js/components/assignments/assignment-show.vue");
/* harmony import */ var _components_assignments_assignment_show_file_upload_vue__WEBPACK_IMPORTED_MODULE_22__ = __webpack_require__(/*! ./components/assignments/assignment-show-file-upload.vue */ "./resources/js/components/assignments/assignment-show-file-upload.vue");
/* harmony import */ var _components_assignments_assignment_edit_vue__WEBPACK_IMPORTED_MODULE_23__ = __webpack_require__(/*! ./components/assignments/assignment-edit.vue */ "./resources/js/components/assignments/assignment-edit.vue");
/* harmony import */ var _components_assignments_assignments_table_vue__WEBPACK_IMPORTED_MODULE_24__ = __webpack_require__(/*! ./components/assignments/assignments-table.vue */ "./resources/js/components/assignments/assignments-table.vue");
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