Method browserState

packages/common/upgrade/src/location_shim.ts:336–338

* This function emulates the $browser.state() function from AngularJS. It will cause * history.state to be cached unless changed with deep equality check.

()

   * history.state to be cached unless changed with deep equality check.
   */
  private browserState(): unknown {
    return this.cachedState;
  }

  private stripBaseUrl(base: string, url: string) {
    if (url.startsWith(base)) {