Asyncawait Sort

asyncawaitsort.js

// don't worry about it... it just works

function delay(ms){
    var ctr, rej, p = new Promise(function (resolve, reject) {
        ctr = setTimeout(() => resolve(ms), ms);
        rej = reject;
    });
    p.cancel = function(){ clearTimeout(ctr); rej(Error("Cancelled"))};
    return p; 
}

async function sleepSort(arr) {
  result = [];
  await Promise.all(arr.map(async (x) => {
    await delay(x);
    result.push(x);
  }));
  return result;
}

async function main() {
  const res = await sleepSort([16, 14, 8, 2, 9, 10, 6, 18, 1, 11, 5, 4, 19, 13, 7, 12, 20, 3, 15, 17]);
  console.log(res);
}

main();