Method _firstTimer

packages/injected/src/clock.ts:330–339

(beforeTick?: number)

  }

  private _firstTimer(beforeTick?: number): Timer | null {
    let firstTimer: Timer | null = null;

    for (const timer of this._timers.values()) {
      const isInRange = beforeTick === undefined || timer.callAt <= beforeTick;
      if (isInRange && (!firstTimer || compareTimers(firstTimer, timer) === 1))
        firstTimer = timer;
    }
    return firstTimer;
  }

  private _takeFirstTimer(beforeTick?: number): Timer | null {
    const timer = this._firstTimer(beforeTick);