return-await.mjs

async function awaitReturn() {
  return await Promise.resolve('awaited this promise').then((x) => {
    throw new Error(x);
  });
}

async function noAwaitReturn() {
  return Promise.resolve('did not await this promise').then((x) => {
    throw new Error(x);
  });
}

try {
  await awaitReturn();
} catch (err) {
  console.error(err);
}

try {
  await noAwaitReturn();
} catch (err) {
  console.error(err);
}

This code produces 2 different stack traces. You choose which one is more useful.

Error: awaited this promise
    at file:///Users/alexs/code/purple-dot/return-await.mjs:3:11
    at async awaitReturn (file:///Users/alexs/code/purple-dot/return-await.mjs:2:10)
    at async file:///Users/alexs/code/purple-dot/return-await.mjs:14:3

Error: did not await this promise
    at file:///Users/alexs/code/purple-dot/return-await.mjs:9:11