show-clean.js

async function doSomething() {
  await timeout(2000);
}
function timeout(ms) {
  return new Promise((res,rej) => setTimeout(rej,ms));
}

Promise.race([
  doSomething(),
  timeout(1000)
])
.then( () => console.log('success') , () => console.log('failure') );

timeout(3000).catch( () => {
  console.log(process._getActiveHandles());
});