Function queueMicrotask

lib/internal/process/task_queues.js:160–175

(callback)

const defaultMicrotaskResourceOpts = { requireManualDestroy: true };

function queueMicrotask(callback) {
  validateFunction(callback, 'callback');

  const contextFrame = AsyncContextFrame.current();
  if (contextFrame || enabledHooksExist()) {
    const asyncResource = new AsyncResource(
      'Microtask',
      defaultMicrotaskResourceOpts,
    );
    asyncResource.callback = callback;
    enqueueMicrotask(FunctionPrototypeBind(runMicrotask, asyncResource));
  } else {
    // Fast path: no AsyncLocalStorage in use
    enqueueMicrotask(callback);
  }
}

module.exports = {
  setupTaskQueue() {