message: Only run resize when window width change
diff: }
  }
  + var lastWindowWidth = window.offsetWidth
  +
  var debouncedResize = debounce(function() {
  + var newWindowWidth = window.offsetWidth
  +
  + if (newWindowWidth !== lastWindowWidth) {
  emblaInstances.forEach(function(e) {
  e.resize()
  })
  + lastWindowWidth = newWindowWidth
  + }
  }, 500)
  window.addEventListener('resize', debouncedResize)
  