icrotask', defaultMicrotaskResourceOpts ); asyncResource.callback = callback; enqueueMicrotask(FunctionPrototypeBind(runMicrotask, asyncResource)); } module.exports = { setupTaskQueue() { // Sets the per-isolate promise rejection callback listenForRejections(); // Sets the callback to be run in every tick. setTickCallback(processTicksAndRejections); return { nextTick, runNextTicks }; }, queueMicrotask };