aframe-animation-component/examples/events/components/event-proxy.js

Animations in A-Frame using anime.js

/**
 * Listen to an event.
 * When that event is emitted, emit an event on another entity.
 */
AFRAME.registerComponent('event-proxy', {
  schema: {
    listen: {default: ''},
    target: {type: 'selector'},
    emit: {default: ''}
  },

  update: function () {
    var data = this.data;
    this.el.addEventListener(data.listen, function () {
      data.target.emit(data.emit);
    });
  }
});