component.js

import Ember from 'ember';

export default Ember.Component.extend({
  // classNameBindings: ['is-visible'],
  // classNames: ['is-visible'],
  // isEnabled: false,
  actions: {
    close: function() {
      this.$('.cd-panel').removeClass('is-visible');
      // return this.sendAction('close');
    }
  },
  becomeVisible: function() {
    this.$('.cd-panel').addClass('is-visible');
  }.on('didRender')
});