Method constructor

packages/common/upgrade/src/location_shim.ts:62–94

(
    $injector: any,
    private location: Location,
    private platformLocation: PlatformLocation,
    private urlCodec: UrlCodec,
    private locationStrategy: LocationStrategy,
  )

  private readonly removeOnUrlChangeFn: VoidFunction;

  constructor(
    $injector: any,
    private location: Location,
    private platformLocation: PlatformLocation,
    private urlCodec: UrlCodec,
    private locationStrategy: LocationStrategy,
  ) {
    const initialUrl = this.browserUrl();

    let 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();

    this.removeOnUrlChangeFn = this.location.onUrlChange((newUrl, newState) => {
      this.urlChanges.next({newUrl, newState});
    });

    if (isPromise($injector)) {
      $injector.then(($i) => this.initialize($i));
    } else {
      this.initialize($injector);
    }
  }

  private initialize($injector: any) {
    const $rootScope = $injector.get('$rootScope');