// Create Deferred Promise
function resolvingPromise() {
  let res;
  let rej;
  const promise = new Promise((resolve, reject) => {
    res = resolve;
    rej = reject;
  });
  promise.resolve = res;
  promise.reject = rej;
  return promise;
}

function sleep(ms) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

module.exports = { resolvingPromise, sleep };