/*! queue-microtask. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
let promise;

module.exports =
  typeof queueMicrotask === 'function' ?
    queueMicrotask.bind(typeof window !== 'undefined' ? window : global)
    // reuse resolved promise, and allocate it lazily
  : (cb) =>
      (promise || (promise = Promise.resolve())).then(cb).catch((err) =>
        setTimeout(() => {
          throw err;
        }, 0)
      );