wakelock.js

// The PM5 API returns a Promise when the connection is established. 
// The WakeLock is acquired once a connection is established.
pm5.connect()
  .then(() => {
    screen.keepAwake = true;
    //...
  });
// The API also provides a disconnect event. The WakeLock is released
// once the application is disconnected from the rowing machine.
pm5.addEventListener('disconnect', () => {
  screen.keepAwake = false;
  //...
});