Function triggerIdleCallbacks

packages/core/test/acceptance/defer_spec.ts:1806–1812

()

    };

    const triggerIdleCallbacks = () => {
      for (const [_, callback] of onIdleCallbackQueue) {
        idleCallbacksInvoked++;
        callback(null!);
      }
      onIdleCallbackQueue.clear();
    };

    beforeEach(() => {
      nativeRequestIdleCallback = globalThis.requestIdleCallback;