sleepSort.js

const sleep = (s) =>
  new Promise((resolve) =>
    setTimeout(() => resolve(s), s * 1000)
  );

const sleepSort = async (arr) => {
  const res = [];
  await Promise.all(
    arr
      .map(sleep)
      .map((x) => x.then(res.push.bind(res)))
  );
  return res;
};

await sleepSort([1, 9, 8, 7, 6, 5, 3, 4, 5, 2, 0]);