RxJs multiple actions

gistfile1.txt

action$.ofType(LOGIN_REQUEST)
  .switchMap(() =>
    Observable.ajax.post(
      'http://www.endpoint.com',
      {
        username: 'user',
        password: 'password'
      })
      // Note the different operator here
      .flatMap(payload =>
        // Concat 2 observables so they fire sequentially
        Observable.concat(
          Observable.of({ type: LOGIN_SUCCESS, payload: payload.response }),
          Observable.of({ type: NOTIFY_SUCCESS, payload: payload.response })
        )
      )
      .takeUntil(action$.ofType(LOGIN_ABORT))
      .catch(({ xhr }) => Observable.of(loginFailed(xhr.response)))
    )
  );