pitaya-launcher/js/components/mixins/animate.js

var Events = {
  ANIMATION_END: 'webkitAnimationEnd'
};

module.exports = {

  play: function(component, animation) {
    return new Promise(function(resolve, reject) {

      var el = component.getDOMNode();

      el.addEventListener(Events.ANIMATION_END, onAnimEnd, false);
      el.style.webkitAnimation = animation;

      function onAnimEnd(evt) {
        el.removeEventListener(Events.ANIMATION_END, onAnimEnd);
        return resolve(el);
      }

    });
  }

};