Function nextScrollEvent

packages/router/test/router_scroller.spec.ts:47–54

(events: Subject<Event | PrivateRouterEvents>)

  });

  function nextScrollEvent(events: Subject<Event | PrivateRouterEvents>): Promise<Scroll> {
    return events
      .pipe(
        filter((e): e is Scroll => e instanceof Scroll),
        take(1),
      )
      .toPromise() as Promise<Scroll>;
  }

  describe('scroll to top', () => {
    it('should scroll to the top', async () => {