Function mockCancelIdleCallback

packages/core/test/acceptance/defer_spec.ts:1791–1804

(id: number)

    };

    const mockCancelIdleCallback = (id: number) => {
      onIdleCallbackQueue.delete(id);

      // Decrement per-bucket active count.
      const timeoutKey = idToTimeout.get(id);
      if (timeoutKey !== undefined) {
        const count = activePerTimeout.get(timeoutKey) ?? 0;
        activePerTimeout.set(timeoutKey, Math.max(0, count - 1));
        idToTimeout.delete(id);
      }

      idleCallbacksRequested--;
      idleCallbacksCancelled++;
    };

    const triggerIdleCallbacks = () => {
      for (const [_, callback] of onIdleCallbackQueue) {