Function extractSilent

src/hovercard.js:63–69

(fn)

  }

  function extractSilent(fn) {
    pauseObserve()
    fn()

    // nextTick will run **after** MutationObserver callbacks
    nextTick(startObserve)
  }

  let observer = new MutationObserver(mutations => {
    mutations.slice(0, MAX_MUTATIONS).forEach(mutation => {