text: /**
   * @license Angular v8.2.11
   * (c) 2010-2019 Google LLC. https://angular.io/
   * License: MIT
   */
  
  import { Location } from '@angular/common';
  import { APP_BOOTSTRAP_LISTENER } from '@angular/core';
  import { Router } from '@angular/router';
  import { UpgradeModule } from '@angular/upgrade/static';
  
  /**
   * @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 ɵ0 = locationSyncBootstrapListener;
  /**
   * Creates an initializer that sets up `ngRoute` integration
   * along with setting up the Angular router.
   *
   * @usageNotes
   *
   * <code-example language="typescript">
   * @NgModule({
   *  imports: [
   *   RouterModule.forRoot(SOME_ROUTES),
   *   UpgradeModule
   * ],
   * providers: [
   *   RouterUpgradeInitializer
   * ]
   * })
   * export class AppModule {
   *   ngDoBootstrap() {}
   * }
   * </code-example>
   *
   * @publicApi
   */
  var RouterUpgradeInitializer = {
      provide: APP_BOOTSTRAP_LISTENER,
      multi: true,
      useFactory: ɵ0,
      deps: [UpgradeModule]
  };
  /**
   * @internal
   */
  function locationSyncBootstrapListener(ngUpgrade) {
      return function () { setUpLocationSync(ngUpgrade); };
  }
  /**
   * Sets up a location change listener to trigger `history.pushState`.
   * Works around the problem that `onPopState` does not trigger `history.pushState`.
   * Must be called *after* calling `UpgradeModule.bootstrap`.
   *
   * @param ngUpgrade The upgrade NgModule.
   * @param urlType The location strategy.
   * @see `HashLocationStrategy`
   * @see `PathLocationStrategy`
   *
   * @publicApi
   */
  function setUpLocationSync(ngUpgrade, urlType) {
      if (urlType === void 0) { urlType = 'path'; }
      if (!ngUpgrade.$injector) {
          throw new Error("\n        RouterUpgradeInitializer can be used only after UpgradeModule.bootstrap has been called.\n        Remove RouterUpgradeInitializer and call setUpLocationSync after UpgradeModule.bootstrap.\n      ");
      }
      var router = ngUpgrade.injector.get(Router);
      var location = ngUpgrade.injector.get(Location);
      ngUpgrade.$injector.get('$rootScope')
          .$on('$locationChangeStart', function (_, next, __) {
          var url;
          if (urlType === 'path') {
              url = resolveUrl(next);
          }
          else if (urlType === 'hash') {
              // Remove the first hash from the URL
              var hashIdx = next.indexOf('#');
              url = resolveUrl(next.substring(0, hashIdx) + next.substring(hashIdx + 1));
          }
          else {
              throw 'Invalid URLType passed to setUpLocationSync: ' + urlType;
          }
          var path = location.normalize(url.pathname);
          router.navigateByUrl(path + url.search + url.hash);
      });
  }
  /**
   * Normalizes and parses a URL.
   *
   * - Normalizing means that a relative URL will be resolved into an absolute URL in the context of
   *   the application document.
   * - Parsing means that the anchor's `protocol`, `hostname`, `port`, `pathname` and related
   *   properties are all populated to reflect the normalized URL.
   *
   * While this approach has wide compatibility, it doesn't work as expected on IE. On IE, normalizing
   * happens similar to other browsers, but the parsed components will not be set. (E.g. if you assign
   * `a.href = 'foo'`, then `a.protocol`, `a.host`, etc. will not be correctly updated.)
   * We work around that by performing the parsing in a 2nd step by taking a previously normalized URL
   * and assigning it again. This correctly populates all properties.
   *
   * See
   * https://github.com/angular/angular.js/blob/2c7400e7d07b0f6cec1817dab40b9250ce8ebce6/src/ng/urlUtils.js#L26-L33
   * for more info.
   */
  var anchor;
  function resolveUrl(url) {
      if (!anchor) {
          anchor = document.createElement('a');
      }
      anchor.setAttribute('href', url);
      anchor.setAttribute('href', anchor.href);
      return {
          // IE does not start `pathname` with `/` like other browsers.
          pathname: "/" + anchor.pathname.replace(/^\//, ''),
          search: anchor.search,
          hash: anchor.hash
      };
  }
  
  /**
   * @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.
   */
  
  export { RouterUpgradeInitializer, locationSyncBootstrapListener, setUpLocationSync, ɵ0 };
  //# sourceMappingURL=upgrade.js.map
  