z̼̜̟̹̳̣͈͓͉̘̗̤ͣ̾ͫ̇ͬ̍̉ạ͚̲̺̟͕̗͎̰̤͎͕̠̤͎̌͗̄̏l̡͉̹̥͍̤̜̤̗̙̞̤͚͙̟̰̥̯̯g̸̻̫̖̝͉̤͇̺̱̙̗͉̪͍̳̲͙̳o̢̠͈̹͓̩̺̺̫̻̹̹̳̠͍͈̤̬͇ ̨͚̭̩̳͇̦̺͙̫̅ͤ̇ͩͯ͆ͤͅͅu̪̪̦͈͍̜̤̟̖̖̖͖̬̼͇̭̳̥̤p͕̣̤̭̼͎̩̫̥͎̻ͦ̑̇ͧͨ͗̈̈ ̶̬̘̰̝͕̯̻̠͚̖̤̗̜̖̘̳̗͕i̛̲͍͉̞̬̘̰̮̱͓̦͕̙̰̣̪͕̲ņ̗̞̣̗̜̮̹̝̙̝̺͉̹͉̥̤͙̥ ͇͍̺̟̰̹͚͓͍̞̭̯̥̺͈̦͒ͣ̎t͔̻̹̼͈̹̰̺̳͖͖̱̫̣̪̪̱̤̤ḫ͍̘̪̲͕̫͉̗̙̫͉̳̯͙̭̟͈̜ị̢̪̘̻̩̬͙̖̫͕̬̩̺̰͚̹͚̥s̹̭̗͍̳͎̆͑̍ͨ̍ͯ̾̌̒ͮͫͤ̽ ̞̜͕͙̜̱̜̠͓̲̪̼̞͔̰̖̗̫͚b̶̼̝͙̦̬̠͓̭̰͙͉̦̹͖̬̝̯̰i̛̯̩̟̻͕͈͉̻͈̻̪̟̥̥͓̼̘̙t̘͎̗̘̤͔͎͈̻͈͙̞͇̱̝͕̬̼̪c̛̪͖͈̝̣̟̺̗̩͓͍̠̱̯̩̻͓ͯh͚̭͇̦̱̝͉̻͍̬̫̻̙̞̜͎̣̗̺
Helps you write code with promise-like chains that can run both synchronously and asynchronously