import Ember from 'ember'; export default Ember.Controller.extend({ appName: 'Ember Twiddle', tree: [{ id: 0, name: 'Root', isExpanded: true, isSelected: false, isVisible: true, children: [ { id: 1, name: 'First Child', isExpanded: true, isSelected: false, isVisible: true, children: [] }, { id: 2, name: 'Second Child', isExpanded: true, isSelected: false, isVisible: true, children: [ { id: 3, name: 'First Grand Child', isExpanded: true, isSelected: true, isVisible: true, children: [] } ] } ] }] });