text: /**
   * @license Angular v9.1.0
   * (c) 2010-2020 Google LLC. https://angular.io/
   * License: MIT
   */
  
  (function (global, factory) {
      typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/common'), require('@angular/core'), require('@angular/upgrade/static')) :
      typeof define === 'function' && define.amd ? define('@angular/common/upgrade', ['exports', '@angular/common', '@angular/core', '@angular/upgrade/static'], factory) :
      (global = global || self, factory((global.ng = global.ng || {}, global.ng.common = global.ng.common || {}, global.ng.common.upgrade = {}), global.ng.common, global.ng.core, global.ng.upgrade.static));
  }(this, (function (exports, common, core, _static) { 'use strict';
  
      /*! *****************************************************************************
      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.
      ***************************************************************************** */
      /* global Reflect, Promise */
  
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      /**
       * @license
       * Copyright Google Inc. All Rights Reserved.
       *
       * Use of this source code is governed by an MIT-style license that can be
       * found in the LICENSE file at https://angular.io/license
       */
      function stripPrefix(val, prefix) {
          return val.startsWith(prefix) ? val.substring(prefix.length) : val;
      }
      function deepEqual(a, b) {
          if (a === b) {
              return true;
          }
          else if (!a || !b) {
              return false;
          }
          else {
              try {
                  if ((a.prototype !== b.prototype) || (Array.isArray(a) && Array.isArray(b))) {
                      return false;
                  }
                  return JSON.stringify(a) === JSON.stringify(b);
              }
              catch (e) {
                  return false;
              }
          }
      }
      function isAnchor(el) {
          return el.href !== undefined;
      }
      function isPromise(obj) {
          // allow any Promise/A+ compliant thenable.
          // It's up to the caller to ensure that obj.then conforms to the spec
          return !!obj && typeof obj.then === 'function';
      }
  
      /**
       * @license
       * Copyright Google Inc. All Rights Reserved.
       *
       * Use of this source code is governed by an MIT-style license that can be
       * found in the LICENSE file at https://angular.io/license
       */
      var PATH_MATCH = /^([^?#]*)(\?([^#]*))?(#(.*))?$/;
      var DOUBLE_SLASH_REGEX = /^\s*[\\/]{2,}/;
      var IGNORE_URI_REGEXP = /^\s*(javascript|mailto):/i;
      var DEFAULT_PORTS = {
          'http:': 80,
          'https:': 443,
          'ftp:': 21
      };
      /**
       * Location service that provides a drop-in replacement for the $location service
       * provided in AngularJS.
       *
       * @see [Using the Angular Unified Location Service](guide/upgrade#using-the-unified-angular-location-service)
       *
       * @publicApi
       */
      var $locationShim = /** @class */ (function () {
          function $locationShim($injector, location, platformLocation, urlCodec, locationStrategy) {
              var _this = this;
              this.location = location;
              this.platformLocation = platformLocation;
              this.urlCodec = urlCodec;
              this.locationStrategy = locationStrategy;
              this.initalizing = true;
              this.updateBrowser = false;
              this.$$absUrl = '';
              this.$$url = '';
              this.$$host = '';
              this.$$replace = false;
              this.$$path = '';
              this.$$search = '';
              this.$$hash = '';
              this.$$changeListeners = [];
              this.cachedState = null;
              this.lastBrowserUrl = '';
              // This variable should be used *only* inside the cacheState function.
              this.lastCachedState = null;
              var initialUrl = this.browserUrl();
              var parsedUrl = this.urlCodec.parse(initialUrl);
              if (typeof parsedUrl === 'string') {
                  throw 'Invalid URL';
              }
              this.$$protocol = parsedUrl.protocol;
              this.$$host = parsedUrl.hostname;
              this.$$port = parseInt(parsedUrl.port) || DEFAULT_PORTS[parsedUrl.protocol] || null;
              this.$$parseLinkUrl(initialUrl, initialUrl);
              this.cacheState();
              this.$$state = this.browserState();
              if (isPromise($injector)) {
                  $injector.then(function ($i) { return _this.initialize($i); });
              }
              else {
                  this.initialize($injector);
              }
          }
          $locationShim.prototype.initialize = function ($injector) {
              var _this = this;
              var $rootScope = $injector.get('$rootScope');
              var $rootElement = $injector.get('$rootElement');
              $rootElement.on('click', function (event) {
                  if (event.ctrlKey || event.metaKey || event.shiftKey || event.which === 2 ||
                      event.button === 2) {
                      return;
                  }
                  var elm = event.target;
                  // traverse the DOM up to find first A tag
                  while (elm && elm.nodeName.toLowerCase() !== 'a') {
                      // ignore rewriting if no A tag (reached root element, or no parent - removed from document)
                      if (elm === $rootElement[0] || !(elm = elm.parentNode)) {
                          return;
                      }
                  }
                  if (!isAnchor(elm)) {
                      return;
                  }
                  var absHref = elm.href;
                  var relHref = elm.getAttribute('href');
                  // Ignore when url is started with javascript: or mailto:
                  if (IGNORE_URI_REGEXP.test(absHref)) {
                      return;
                  }
                  if (absHref && !elm.getAttribute('target') && !event.isDefaultPrevented()) {
                      if (_this.$$parseLinkUrl(absHref, relHref)) {
                          // We do a preventDefault for all urls that are part of the AngularJS application,
                          // in html5mode and also without, so that we are able to abort navigation without
                          // getting double entries in the location history.
                          event.preventDefault();
                          // update location manually
                          if (_this.absUrl() !== _this.browserUrl()) {
                              $rootScope.$apply();
                          }
                      }
                  }
              });
              this.location.onUrlChange(function (newUrl, newState) {
                  var oldUrl = _this.absUrl();
                  var oldState = _this.$$state;
                  _this.$$parse(newUrl);
                  newUrl = _this.absUrl();
                  _this.$$state = newState;
                  var defaultPrevented = $rootScope.$broadcast('$locationChangeStart', newUrl, oldUrl, newState, oldState)
                      .defaultPrevented;
                  // if the location was changed by a `$locationChangeStart` handler then stop
                  // processing this location change
                  if (_this.absUrl() !== newUrl)
                      return;
                  // If default was prevented, set back to old state. This is the state that was locally
                  // cached in the $location service.
                  if (defaultPrevented) {
                      _this.$$parse(oldUrl);
                      _this.state(oldState);
                      _this.setBrowserUrlWithFallback(oldUrl, false, oldState);
                      _this.$$notifyChangeListeners(_this.url(), _this.$$state, oldUrl, oldState);
                  }
                  else {
                      _this.initalizing = false;
                      $rootScope.$broadcast('$locationChangeSuccess', newUrl, oldUrl, newState, oldState);
                      _this.resetBrowserUpdate();
                  }
                  if (!$rootScope.$$phase) {
                      $rootScope.$digest();
                  }
              });
              // update browser
              $rootScope.$watch(function () {
                  if (_this.initalizing || _this.updateBrowser) {
                      _this.updateBrowser = false;
                      var oldUrl_1 = _this.browserUrl();
                      var newUrl = _this.absUrl();
                      var oldState_1 = _this.browserState();
                      var currentReplace_1 = _this.$$replace;
                      var urlOrStateChanged_1 = !_this.urlCodec.areEqual(oldUrl_1, newUrl) || oldState_1 !== _this.$$state;
                      // Fire location changes one time to on initialization. This must be done on the
                      // next tick (thus inside $evalAsync()) in order for listeners to be registered
                      // before the event fires. Mimicing behavior from $locationWatch:
                      // https://github.com/angular/angular.js/blob/master/src/ng/location.js#L983
                      if (_this.initalizing || urlOrStateChanged_1) {
                          _this.initalizing = false;
                          $rootScope.$evalAsync(function () {
                              // Get the new URL again since it could have changed due to async update
                              var newUrl = _this.absUrl();
                              var defaultPrevented = $rootScope
                                  .$broadcast('$locationChangeStart', newUrl, oldUrl_1, _this.$$state, oldState_1)
                                  .defaultPrevented;
                              // if the location was changed by a `$locationChangeStart` handler then stop
                              // processing this location change
                              if (_this.absUrl() !== newUrl)
                                  return;
                              if (defaultPrevented) {
                                  _this.$$parse(oldUrl_1);
                                  _this.$$state = oldState_1;
                              }
                              else {
                                  // This block doesn't run when initalizing because it's going to perform the update to
                                  // the URL which shouldn't be needed when initalizing.
                                  if (urlOrStateChanged_1) {
                                      _this.setBrowserUrlWithFallback(newUrl, currentReplace_1, oldState_1 === _this.$$state ? null : _this.$$state);
                                      _this.$$replace = false;
                                  }
                                  $rootScope.$broadcast('$locationChangeSuccess', newUrl, oldUrl_1, _this.$$state, oldState_1);
                                  if (urlOrStateChanged_1) {
                                      _this.$$notifyChangeListeners(_this.url(), _this.$$state, oldUrl_1, oldState_1);
                                  }
                              }
                          });
                      }
                  }
                  _this.$$replace = false;
              });
          };
          $locationShim.prototype.resetBrowserUpdate = function () {
              this.$$replace = false;
              this.$$state = this.browserState();
              this.updateBrowser = false;
              this.lastBrowserUrl = this.browserUrl();
          };
          $locationShim.prototype.browserUrl = function (url, replace, state) {
              // In modern browsers `history.state` is `null` by default; treating it separately
              // from `undefined` would cause `$browser.url('/foo')` to change `history.state`
              // to undefined via `pushState`. Instead, let's change `undefined` to `null` here.
              if (typeof state === 'undefined') {
                  state = null;
              }
              // setter
              if (url) {
                  var sameState = this.lastHistoryState === state;
                  // Normalize the inputted URL
                  url = this.urlCodec.parse(url).href;
                  // Don't change anything if previous and current URLs and states match.
                  if (this.lastBrowserUrl === url && sameState) {
                      return this;
                  }
                  this.lastBrowserUrl = url;
                  this.lastHistoryState = state;
                  // Remove server base from URL as the Angular APIs for updating URL require
                  // it to be the path+.
                  url = this.stripBaseUrl(this.getServerBase(), url) || url;
                  // Set the URL
                  if (replace) {
                      this.locationStrategy.replaceState(state, '', url, '');
                  }
                  else {
                      this.locationStrategy.pushState(state, '', url, '');
                  }
                  this.cacheState();
                  return this;
                  // getter
              }
              else {
                  return this.platformLocation.href;
              }
          };
          $locationShim.prototype.cacheState = function () {
              // This should be the only place in $browser where `history.state` is read.
              this.cachedState = this.platformLocation.getState();
              if (typeof this.cachedState === 'undefined') {
                  this.cachedState = null;
              }
              // Prevent callbacks fo fire twice if both hashchange & popstate were fired.
              if (deepEqual(this.cachedState, this.lastCachedState)) {
                  this.cachedState = this.lastCachedState;
              }
              this.lastCachedState = this.cachedState;
              this.lastHistoryState = this.cachedState;
          };
          /**
           * This function emulates the $browser.state() function from AngularJS. It will cause
           * history.state to be cached unless changed with deep equality check.
           */
          $locationShim.prototype.browserState = function () { return this.cachedState; };
          $locationShim.prototype.stripBaseUrl = function (base, url) {
              if (url.startsWith(base)) {
                  return url.substr(base.length);
              }
              return undefined;
          };
          $locationShim.prototype.getServerBase = function () {
              var _a = this.platformLocation, protocol = _a.protocol, hostname = _a.hostname, port = _a.port;
              var baseHref = this.locationStrategy.getBaseHref();
              var url = protocol + "//" + hostname + (port ? ':' + port : '') + (baseHref || '/');
              return url.endsWith('/') ? url : url + '/';
          };
          $locationShim.prototype.parseAppUrl = function (url) {
              if (DOUBLE_SLASH_REGEX.test(url)) {
                  throw new Error("Bad Path - URL cannot start with double slashes: " + url);
              }
              var prefixed = (url.charAt(0) !== '/');
              if (prefixed) {
                  url = '/' + url;
              }
              var match = this.urlCodec.parse(url, this.getServerBase());
              if (typeof match === 'string') {
                  throw new Error("Bad URL - Cannot parse URL: " + url);
              }
              var path = prefixed && match.pathname.charAt(0) === '/' ? match.pathname.substring(1) : match.pathname;
              this.$$path = this.urlCodec.decodePath(path);
              this.$$search = this.urlCodec.decodeSearch(match.search);
              this.$$hash = this.urlCodec.decodeHash(match.hash);
              // make sure path starts with '/';
              if (this.$$path && this.$$path.charAt(0) !== '/') {
                  this.$$path = '/' + this.$$path;
              }
          };
          /**
           * Registers listeners for URL changes. This API is used to catch updates performed by the
           * AngularJS framework. These changes are a subset of the `$locationChangeStart` and
           * `$locationChangeSuccess` events which fire when AngularJS updates its internally-referenced
           * version of the browser URL.
           *
           * It's possible for `$locationChange` events to happen, but for the browser URL
           * (window.location) to remain unchanged. This `onChange` callback will fire only when AngularJS
           * actually updates the browser URL (window.location).
           *
           * @param fn The callback function that is triggered for the listener when the URL changes.
           * @param err The callback function that is triggered when an error occurs.
           */
          $locationShim.prototype.onChange = function (fn, err) {
              if (err === void 0) { err = function (e) { }; }
              this.$$changeListeners.push([fn, err]);
          };
          /** @internal */
          $locationShim.prototype.$$notifyChangeListeners = function (url, state, oldUrl, oldState) {
              if (url === void 0) { url = ''; }
              if (oldUrl === void 0) { oldUrl = ''; }
              this.$$changeListeners.forEach(function (_a) {
                  var _b = __read(_a, 2), fn = _b[0], err = _b[1];
                  try {
                      fn(url, state, oldUrl, oldState);
                  }
                  catch (e) {
                      err(e);
                  }
              });
          };
          /**
           * Parses the provided URL, and sets the current URL to the parsed result.
           *
           * @param url The URL string.
           */
          $locationShim.prototype.$$parse = function (url) {
              var pathUrl;
              if (url.startsWith('/')) {
                  pathUrl = url;
              }
              else {
                  // Remove protocol & hostname if URL starts with it
                  pathUrl = this.stripBaseUrl(this.getServerBase(), url);
              }
              if (typeof pathUrl === 'undefined') {
                  throw new Error("Invalid url \"" + url + "\", missing path prefix \"" + this.getServerBase() + "\".");
              }
              this.parseAppUrl(pathUrl);
              if (!this.$$path) {
                  this.$$path = '/';
              }
              this.composeUrls();
          };
          /**
           * Parses the provided URL and its relative URL.
           *
           * @param url The full URL string.
           * @param relHref A URL string relative to the full URL string.
           */
          $locationShim.prototype.$$parseLinkUrl = function (url, relHref) {
              // When relHref is passed, it should be a hash and is handled separately
              if (relHref && relHref[0] === '#') {
                  this.hash(relHref.slice(1));
                  return true;
              }
              var rewrittenUrl;
              var appUrl = this.stripBaseUrl(this.getServerBase(), url);
              if (typeof appUrl !== 'undefined') {
                  rewrittenUrl = this.getServerBase() + appUrl;
              }
              else if (this.getServerBase() === url + '/') {
                  rewrittenUrl = this.getServerBase();
              }
              // Set the URL
              if (rewrittenUrl) {
                  this.$$parse(rewrittenUrl);
              }
              return !!rewrittenUrl;
          };
          $locationShim.prototype.setBrowserUrlWithFallback = function (url, replace, state) {
              var oldUrl = this.url();
              var oldState = this.$$state;
              try {
                  this.browserUrl(url, replace, state);
                  // Make sure $location.state() returns referentially identical (not just deeply equal)
                  // state object; this makes possible quick checking if the state changed in the digest
                  // loop. Checking deep equality would be too expensive.
                  this.$$state = this.browserState();
              }
              catch (e) {
                  // Restore old values if pushState fails
                  this.url(oldUrl);
                  this.$$state = oldState;
                  throw e;
              }
          };
          $locationShim.prototype.composeUrls = function () {
              this.$$url = this.urlCodec.normalize(this.$$path, this.$$search, this.$$hash);
              this.$$absUrl = this.getServerBase() + this.$$url.substr(1); // remove '/' from front of URL
              this.updateBrowser = true;
          };
          /**
           * Retrieves the full URL representation with all segments encoded according to
           * rules specified in
           * [RFC 3986](http://www.ietf.org/rfc/rfc3986.txt).
           *
           *
           * ```js
           * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo
           * let absUrl = $location.absUrl();
           * // => "http://example.com/#/some/path?foo=bar&baz=xoxo"
           * ```
           */
          $locationShim.prototype.absUrl = function () { return this.$$absUrl; };
          $locationShim.prototype.url = function (url) {
              if (typeof url === 'string') {
                  if (!url.length) {
                      url = '/';
                  }
                  var match = PATH_MATCH.exec(url);
                  if (!match)
                      return this;
                  if (match[1] || url === '')
                      this.path(this.urlCodec.decodePath(match[1]));
                  if (match[2] || match[1] || url === '')
                      this.search(match[3] || '');
                  this.hash(match[5] || '');
                  // Chainable method
                  return this;
              }
              return this.$$url;
          };
          /**
           * Retrieves the protocol of the current URL.
           *
           * ```js
           * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo
           * let protocol = $location.protocol();
           * // => "http"
           * ```
           */
          $locationShim.prototype.protocol = function () { return this.$$protocol; };
          /**
           * Retrieves the protocol of the current URL.
           *
           * In contrast to the non-AngularJS version `location.host` which returns `hostname:port`, this
           * returns the `hostname` portion only.
           *
           *
           * ```js
           * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo
           * let host = $location.host();
           * // => "example.com"
           *
           * // given URL http://user:password@example.com:8080/#/some/path?foo=bar&baz=xoxo
           * host = $location.host();
           * // => "example.com"
           * host = location.host;
           * // => "example.com:8080"
           * ```
           */
          $locationShim.prototype.host = function () { return this.$$host; };
          /**
           * Retrieves the port of the current URL.
           *
           * ```js
           * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo
           * let port = $location.port();
           * // => 80
           * ```
           */
          $locationShim.prototype.port = function () { return this.$$port; };
          $locationShim.prototype.path = function (path) {
              if (typeof path === 'undefined') {
                  return this.$$path;
              }
              // null path converts to empty string. Prepend with "/" if needed.
              path = path !== null ? path.toString() : '';
              path = path.charAt(0) === '/' ? path : '/' + path;
              this.$$path = path;
              this.composeUrls();
              return this;
          };
          $locationShim.prototype.search = function (search, paramValue) {
              switch (arguments.length) {
                  case 0:
                      return this.$$search;
                  case 1:
                      if (typeof search === 'string' || typeof search === 'number') {
                          this.$$search = this.urlCodec.decodeSearch(search.toString());
                      }
                      else if (typeof search === 'object' && search !== null) {
                          // Copy the object so it's never mutated
                          search = __assign({}, search);
                          // remove object undefined or null properties
                          for (var key in search) {
                              if (search[key] == null)
                                  delete search[key];
                          }
                          this.$$search = search;
                      }
                      else {
                          throw new Error('LocationProvider.search(): First argument must be a string or an object.');
                      }
                      break;
                  default:
                      if (typeof search === 'string') {
                          var currentSearch = this.search();
                          if (typeof paramValue === 'undefined' || paramValue === null) {
                              delete currentSearch[search];
                              return this.search(currentSearch);
                          }
                          else {
                              currentSearch[search] = paramValue;
                              return this.search(currentSearch);
                          }
                      }
              }
              this.composeUrls();
              return this;
          };
          $locationShim.prototype.hash = function (hash) {
              if (typeof hash === 'undefined') {
                  return this.$$hash;
              }
              this.$$hash = hash !== null ? hash.toString() : '';
              this.composeUrls();
              return this;
          };
          /**
           * Changes to `$location` during the current `$digest` will replace the current
           * history record, instead of adding a new one.
           */
          $locationShim.prototype.replace = function () {
              this.$$replace = true;
              return this;
          };
          $locationShim.prototype.state = function (state) {
              if (typeof state === 'undefined') {
                  return this.$$state;
              }
              this.$$state = state;
              return this;
          };
          return $locationShim;
      }());
      /**
       * The factory function used to create an instance of the `$locationShim` in Angular,
       * and provides an API-compatiable `$locationProvider` for AngularJS.
       *
       * @publicApi
       */
      var $locationShimProvider = /** @class */ (function () {
          function $locationShimProvider(ngUpgrade, location, platformLocation, urlCodec, locationStrategy) {
              this.ngUpgrade = ngUpgrade;
              this.location = location;
              this.platformLocation = platformLocation;
              this.urlCodec = urlCodec;
              this.locationStrategy = locationStrategy;
          }
          /**
           * Factory method that returns an instance of the $locationShim
           */
          $locationShimProvider.prototype.$get = function () {
              return new $locationShim(this.ngUpgrade.$injector, this.location, this.platformLocation, this.urlCodec, this.locationStrategy);
          };
          /**
           * Stub method used to keep API compatible with AngularJS. This setting is configured through
           * the LocationUpgradeModule's `config` method in your Angular app.
           */
          $locationShimProvider.prototype.hashPrefix = function (prefix) {
              throw new Error('Configure LocationUpgrade through LocationUpgradeModule.config method.');
          };
          /**
           * Stub method used to keep API compatible with AngularJS. This setting is configured through
           * the LocationUpgradeModule's `config` method in your Angular app.
           */
          $locationShimProvider.prototype.html5Mode = function (mode) {
              throw new Error('Configure LocationUpgrade through LocationUpgradeModule.config method.');
          };
          return $locationShimProvider;
      }());
  
      /**
       * @license
       * Copyright Google Inc. All Rights Reserved.
       *
       * Use of this source code is governed by an MIT-style license that can be
       * found in the LICENSE file at https://angular.io/license
       */
      /**
       * A codec for encoding and decoding URL parts.
       *
       * @publicApi
       **/
      var UrlCodec = /** @class */ (function () {
          function UrlCodec() {
          }
          return UrlCodec;
      }());
      /**
       * A `UrlCodec` that uses logic from AngularJS to serialize and parse URLs
       * and URL parameters.
       *
       * @publicApi
       */
      var AngularJSUrlCodec = /** @class */ (function () {
          function AngularJSUrlCodec() {
          }
          // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L15
          AngularJSUrlCodec.prototype.encodePath = function (path) {
              var segments = path.split('/');
              var i = segments.length;
              while (i--) {
                  // decode forward slashes to prevent them from being double encoded
                  segments[i] = encodeUriSegment(segments[i].replace(/%2F/g, '/'));
              }
              path = segments.join('/');
              return _stripIndexHtml((path && path[0] !== '/' && '/' || '') + path);
          };
          // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L42
          AngularJSUrlCodec.prototype.encodeSearch = function (search) {
              if (typeof search === 'string') {
                  search = parseKeyValue(search);
              }
              search = toKeyValue(search);
              return search ? '?' + search : '';
          };
          // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L44
          AngularJSUrlCodec.prototype.encodeHash = function (hash) {
              hash = encodeUriSegment(hash);
              return hash ? '#' + hash : '';
          };
          // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L27
          AngularJSUrlCodec.prototype.decodePath = function (path, html5Mode) {
              if (html5Mode === void 0) { html5Mode = true; }
              var segments = path.split('/');
              var i = segments.length;
              while (i--) {
                  segments[i] = decodeURIComponent(segments[i]);
                  if (html5Mode) {
                      // encode forward slashes to prevent them from being mistaken for path separators
                      segments[i] = segments[i].replace(/\//g, '%2F');
                  }
              }
              return segments.join('/');
          };
          // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L72
          AngularJSUrlCodec.prototype.decodeSearch = function (search) { return parseKeyValue(search); };
          // https://github.com/angular/angular.js/blob/864c7f0/src/ng/location.js#L73
          AngularJSUrlCodec.prototype.decodeHash = function (hash) {
              hash = decodeURIComponent(hash);
              return hash[0] === '#' ? hash.substring(1) : hash;
          };
          AngularJSUrlCodec.prototype.normalize = function (pathOrHref, search, hash, baseUrl) {
              if (arguments.length === 1) {
                  var parsed = this.parse(pathOrHref, baseUrl);
                  if (typeof parsed === 'string') {
                      return parsed;
                  }
                  var serverUrl = parsed.protocol + "://" + parsed.hostname + (parsed.port ? ':' + parsed.port : '');
                  return this.normalize(this.decodePath(parsed.pathname), this.decodeSearch(parsed.search), this.decodeHash(parsed.hash), serverUrl);
              }
              else {
                  var encPath = this.encodePath(pathOrHref);
                  var encSearch = search && this.encodeSearch(search) || '';
                  var encHash = hash && this.encodeHash(hash) || '';
                  var joinedPath = (baseUrl || '') + encPath;
                  if (!joinedPath.length || joinedPath[0] !== '/') {
                      joinedPath = '/' + joinedPath;
                  }
                  return joinedPath + encSearch + encHash;
              }
          };
          AngularJSUrlCodec.prototype.areEqual = function (valA, valB) { return this.normalize(valA) === this.normalize(valB); };
          // https://github.com/angular/angular.js/blob/864c7f0/src/ng/urlUtils.js#L60
          AngularJSUrlCodec.prototype.parse = function (url, base) {
              try {
                  // Safari 12 throws an error when the URL constructor is called with an undefined base.
                  var parsed = !base ? new URL(url) : new URL(url, base);
                  return {
                      href: parsed.href,
                      protocol: parsed.protocol ? parsed.protocol.replace(/:$/, '') : '',
                      host: parsed.host,
                      search: parsed.search ? parsed.search.replace(/^\?/, '') : '',
                      hash: parsed.hash ? parsed.hash.replace(/^#/, '') : '',
                      hostname: parsed.hostname,
                      port: parsed.port,
                      pathname: (parsed.pathname.charAt(0) === '/') ? parsed.pathname : '/' + parsed.pathname
                  };
              }
              catch (e) {
                  throw new Error("Invalid URL (" + url + ") with base (" + base + ")");
              }
          };
          return AngularJSUrlCodec;
      }());
      function _stripIndexHtml(url) {
          return url.replace(/\/index.html$/, '');
      }
      /**
       * Tries to decode the URI component without throwing an exception.
       *
       * @param str value potential URI component to check.
       * @returns the decoded URI if it can be decoded or else `undefined`.
       */
      function tryDecodeURIComponent(value) {
          try {
              return decodeURIComponent(value);
          }
          catch (e) {
              // Ignore any invalid uri component.
              return undefined;
          }
      }
      /**
       * Parses an escaped url query string into key-value pairs. Logic taken from
       * https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1382
       */
      function parseKeyValue(keyValue) {
          var obj = {};
          (keyValue || '').split('&').forEach(function (keyValue) {
              var splitPoint, key, val;
              if (keyValue) {
                  key = keyValue = keyValue.replace(/\+/g, '%20');
                  splitPoint = keyValue.indexOf('=');
                  if (splitPoint !== -1) {
                      key = keyValue.substring(0, splitPoint);
                      val = keyValue.substring(splitPoint + 1);
                  }
                  key = tryDecodeURIComponent(key);
                  if (typeof key !== 'undefined') {
                      val = typeof val !== 'undefined' ? tryDecodeURIComponent(val) : true;
                      if (!obj.hasOwnProperty(key)) {
                          obj[key] = val;
                      }
                      else if (Array.isArray(obj[key])) {
                          obj[key].push(val);
                      }
                      else {
                          obj[key] = [obj[key], val];
                      }
                  }
              }
          });
          return obj;
      }
      /**
       * Serializes into key-value pairs. Logic taken from
       * https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1409
       */
      function toKeyValue(obj) {
          var parts = [];
          var _loop_1 = function (key) {
              var value = obj[key];
              if (Array.isArray(value)) {
                  value.forEach(function (arrayValue) {
                      parts.push(encodeUriQuery(key, true) +
                          (arrayValue === true ? '' : '=' + encodeUriQuery(arrayValue, true)));
                  });
              }
              else {
                  parts.push(encodeUriQuery(key, true) +
                      (value === true ? '' : '=' + encodeUriQuery(value, true)));
              }
          };
          for (var key in obj) {
              _loop_1(key);
          }
          return parts.length ? parts.join('&') : '';
      }
      /**
       * We need our custom method because encodeURIComponent is too aggressive and doesn't follow
       * http://www.ietf.org/rfc/rfc3986.txt with regards to the character set (pchar) allowed in path
       * segments:
       *    segment       = *pchar
       *    pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"
       *    pct-encoded   = "%" HEXDIG HEXDIG
       *    unreserved    = ALPHA / DIGIT / "-" / "." / "_" / "~"
       *    sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
       *                     / "*" / "+" / "," / ";" / "="
       *
       * Logic from https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1437
       */
      function encodeUriSegment(val) {
          return encodeUriQuery(val, true)
              .replace(/%26/gi, '&')
              .replace(/%3D/gi, '=')
              .replace(/%2B/gi, '+');
      }
      /**
       * This method is intended for encoding *key* or *value* parts of query component. We need a custom
       * method because encodeURIComponent is too aggressive and encodes stuff that doesn't have to be
       * encoded per http://tools.ietf.org/html/rfc3986:
       *    query         = *( pchar / "/" / "?" )
       *    pchar         = unreserved / pct-encoded / sub-delims / ":" / "@"
       *    unreserved    = ALPHA / DIGIT / "-" / "." / "_" / "~"
       *    pct-encoded   = "%" HEXDIG HEXDIG
       *    sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
       *                     / "*" / "+" / "," / ";" / "="
       *
       * Logic from https://github.com/angular/angular.js/blob/864c7f0/src/Angular.js#L1456
       */
      function encodeUriQuery(val, pctEncodeSpaces) {
          if (pctEncodeSpaces === void 0) { pctEncodeSpaces = false; }
          return encodeURIComponent(val)
              .replace(/%40/gi, '@')
              .replace(/%3A/gi, ':')
              .replace(/%24/g, '$')
              .replace(/%2C/gi, ',')
              .replace(/%3B/gi, ';')
              .replace(/%20/g, (pctEncodeSpaces ? '%20' : '+'));
      }
  
      /**
       * @license
       * Copyright Google Inc. All Rights Reserved.
       *
       * Use of this source code is governed by an MIT-style license that can be
       * found in the LICENSE file at https://angular.io/license
       */
      /**
       * A provider token used to configure the location upgrade module.
       *
       * @publicApi
       */
      var LOCATION_UPGRADE_CONFIGURATION = new core.InjectionToken('LOCATION_UPGRADE_CONFIGURATION');
      var APP_BASE_HREF_RESOLVED = new core.InjectionToken('APP_BASE_HREF_RESOLVED');
      /**
       * `NgModule` used for providing and configuring Angular's Unified Location Service for upgrading.
       *
       * @see [Using the Unified Angular Location Service](guide/upgrade#using-the-unified-angular-location-service)
       *
       * @publicApi
       */
      var LocationUpgradeModule = /** @class */ (function () {
          function LocationUpgradeModule() {
          }
          LocationUpgradeModule_1 = LocationUpgradeModule;
          LocationUpgradeModule.config = function (config) {
              return {
                  ngModule: LocationUpgradeModule_1,
                  providers: [
                      common.Location,
                      {
                          provide: $locationShim,
                          useFactory: provide$location,
                          deps: [_static.UpgradeModule, common.Location, common.PlatformLocation, UrlCodec, common.LocationStrategy]
                      },
                      { provide: LOCATION_UPGRADE_CONFIGURATION, useValue: config ? config : {} },
                      { provide: UrlCodec, useFactory: provideUrlCodec, deps: [LOCATION_UPGRADE_CONFIGURATION] },
                      {
                          provide: APP_BASE_HREF_RESOLVED,
                          useFactory: provideAppBaseHref,
                          deps: [LOCATION_UPGRADE_CONFIGURATION, [new core.Inject(common.APP_BASE_HREF), new core.Optional()]]
                      },
                      {
                          provide: common.LocationStrategy,
                          useFactory: provideLocationStrategy,
                          deps: [
                              common.PlatformLocation,
                              APP_BASE_HREF_RESOLVED,
                              LOCATION_UPGRADE_CONFIGURATION,
                          ]
                      },
                  ],
              };
          };
          var LocationUpgradeModule_1;
          LocationUpgradeModule = LocationUpgradeModule_1 = __decorate([
              core.NgModule({ imports: [common.CommonModule] })
          ], LocationUpgradeModule);
          return LocationUpgradeModule;
      }());
      function provideAppBaseHref(config, appBaseHref) {
          if (config && config.appBaseHref != null) {
              return config.appBaseHref;
          }
          else if (appBaseHref != null) {
              return appBaseHref;
          }
          return '';
      }
      function provideUrlCodec(config) {
          var codec = config && config.urlCodec || AngularJSUrlCodec;
          return new codec();
      }
      function provideLocationStrategy(platformLocation, baseHref, options) {
          if (options === void 0) { options = {}; }
          return options.useHash ? new common.HashLocationStrategy(platformLocation, baseHref) :
              new common.PathLocationStrategy(platformLocation, baseHref);
      }
      function provide$location(ngUpgrade, location, platformLocation, urlCodec, locationStrategy) {
          var $locationProvider = new $locationShimProvider(ngUpgrade, location, platformLocation, urlCodec, locationStrategy);
          return $locationProvider.$get();
      }
  
      /**
       * @license
       * Copyright Google Inc. All Rights Reserved.
       *
       * Use of this source code is governed by an MIT-style license that can be
       * found in the LICENSE file at https://angular.io/license
       */
  
      /**
       * @license
       * Copyright Google Inc. All Rights Reserved.
       *
       * Use of this source code is governed by an MIT-style license that can be
       * found in the LICENSE file at https://angular.io/license
       */
      // This file only reexports content of the `src` folder. Keep it that way.
  
      /**
       * @license
       * Copyright Google Inc. All Rights Reserved.
       *
       * Use of this source code is governed by an MIT-style license that can be
       * found in the LICENSE file at https://angular.io/license
       */
  
      /**
       * Generated bundle index. Do not edit.
       */
  
      exports.$locationShim = $locationShim;
      exports.$locationShimProvider = $locationShimProvider;
      exports.AngularJSUrlCodec = AngularJSUrlCodec;
      exports.LOCATION_UPGRADE_CONFIGURATION = LOCATION_UPGRADE_CONFIGURATION;
      exports.LocationUpgradeModule = LocationUpgradeModule;
      exports.UrlCodec = UrlCodec;
      exports.ɵangular_packages_common_upgrade_upgrade_a = provideAppBaseHref;
      exports.ɵangular_packages_common_upgrade_upgrade_b = provideUrlCodec;
      exports.ɵangular_packages_common_upgrade_upgrade_c = provideLocationStrategy;
      exports.ɵangular_packages_common_upgrade_upgrade_d = provide$location;
  
      Object.defineProperty(exports, '__esModule', { value: true });
  
  })));
  //# sourceMappingURL=common-upgrade.umd.js.map
  