Method add

packages/core/src/defer/idle_scheduler.ts:66–77

(callback: VoidFunction, options?: IdleRequestOptions)

  private readonly idleService = inject(IDLE_SERVICE);

  add(callback: VoidFunction, options?: IdleRequestOptions) {
    const key = getIdleRequestKey(options);
    this.callbackBucket.set(callback, key);

    let bucket = this.buckets.get(key);
    if (bucket == null) {
      bucket = {idleId: null, queue: new Set()};
      this.buckets.set(key, bucket);
    }
    bucket.queue.add(callback);
    this.scheduleBucket(bucket, options);
  }

  remove(callback: VoidFunction) {
    const key = this.callbackBucket.get(callback);