login-expire.js

const logoutTime = 15* 60;
const warningTime = 14 * 60;
function createLogoutActionStream() {
  return Observable.merge(
    Observable.of({ type: 'showLogoutMessageWarning' }).delay(warningTime * 1000),
    Observable.of({ type: 'logOut' }).delay(logoutTIme * 1000)
  );
}

mouseEventStream
  .startWith(null) // ensure starts at app boot instead of first mouse event
  .flatMapLatest(createLogoutActionStream) // flatMapLatest will start timeout and reset with each new event
  .doOnNext(dispatch); // dispatch actions