Promise maps

promiseMap.js

const heartbeats = [1, 2, 3].map((value) => Promise.resolve({ id: value, date: +new Date() }));
Promise.all(heartbeats).then((values) => {
  console.log(values.map((value) => !value.date ? null : {
      id: value.id,
      name: 'location',
      heartbeat: value.date
    }).filter(v => v).sort()
  );
});