Foundation for activity monitor w/ Bangle.js

activity-monitor.js

let buzzing = false
/**
  * Hard-coded interval for now is not ideal
*/

const minutes = 10
const interval = minutes * (1000 * 60)

/**
  * Can you detect if the Bangle is Buzzing or in Buzz in progress?
*/
const buzz = () => {
  try {
    Bangle.buzz().then(
      () => buzzing ? buzz() : void()
    )
  } catch (err) {
    return err
  }
}

/**
  * Buzz uncontrollably until you intervene by pressing the middle button
*/
const buzzUncontrollably = () => {
  setWatch(() => {
    buzzing = false
    g.clear()
    E.showMessage("Resume.");
    setTimeout(() => {
      g.clear()
    }, 2000)
  }, BTN2);
  if (buzzing) {
    buzz()
  }
}

const health = setInterval(() => {
  if (!buzzing) {
    buzzing = true
    E.showMessage('Move!!!')
    buzzUncontrollably()
  }
}, interval)