code advice on buzz()

I think that's pretty broken too... If you run it twice you get two timeouts. Can you try adding some prints to the original code to see what's going on?

We use that pattern (if (x) clearTimeout(x);x = setTimeout(function() { x=undefined; ... },...)) all over the place so I don't think there's anything specifically wrong with it.

function planChime() {
  if (chimeTimer) {
    clearTimeout(chimeTimer);
  }
  chimeTimer = setTimeout(function() {
    chimeTimer = undefined;
    Bangle.buzz().then(() => {
      setTimeout(function(){
         planChime();
      }, 2000);
      });
  }, 3600000 - (Date.now() % 3600000));
}