Method timeoutPromise

src/service/timer-impl.js:126–145

* Returns a promise that will fail after the specified delay. Optionally, * this method can take opt_racePromise parameter. In this case, the * resulting promise will either fail when the specified delay expires or * will resolve based on the opt_racePromise, whichever happens first. * @

(delay, opt_racePromise, opt_message)

   * @template RESULT
   */
  timeoutPromise(delay, opt_racePromise, opt_message) {
    let timerKey;
    const delayPromise = new this.win.Promise((_resolve, reject) => {
      timerKey = this.delay(() => {
        reject(user().createError(opt_message || 'timeout'));
      }, delay);

      if (timerKey == -1) {
        throw new Error('Failed to schedule timer.');
      }
    });
    if (!opt_racePromise) {
      return delayPromise;
    }
    const cancel = () => {
      this.cancel(timerKey);
    };
    opt_racePromise.then(cancel, cancel);
    return this.win.Promise.race([delayPromise, opt_racePromise]);
  }

  /**
   * Returns a promise that resolves after `predicate` returns true.