runAnimation.js

export default async function runAnimation($el, animations = []) {
  const play = (animation) => new Promise(resolve => {
    $el.classList.add(animation.value, 'animated')
    const removeAnimation = () => {
      $el.removeEventListener('animationend', removeAnimation)
      $el.removeEventListener('animationcancel', removeAnimation)
      $el.classList.remove(animation.value, 'animated')
      resolve()
    }

    $el.addEventListener('animationend', removeAnimation)
    $el.addEventListener('animationcancel', removeAnimation)
  })

  for (let i = 0, len = animations.length; i < len; i++) {
    await play(animations[i])
  }
}