import Controller from '@ember/controller'; import { computed } from '@ember/object'; export default Controller.extend({ activeTab: 'tags', sortedTags: computed('model.tags', function() { const tags = this.get('model.tags') || {}; return Object.keys(tags) .map(name => ({ name, value: tags[name], })) .sortBy('name'); }), actions: { setTab(tab) { this.set('activeTab', tab); }, }, });