ember paper radio group

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  store: Ember.inject.service(),
  init() {
    this._super(...arguments);
    this.set('model', [
      this.get('store').createRecord('my-model', { name: '1' }),
      this.get('store').createRecord('my-model', { name: '2' }),
      this.get('store').createRecord('my-model', { name: '3' })
    ]);
  }
});

models.my-model.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Model.extend({
  name: attr('string')
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{#paper-radio-group groupValue=selected onChange=(action (mut selected)) as |group|}}
  {{#each model as |option|}}
    {{#group.radio value=option primary=true}}
      {{option.name}}
    {{/group.radio}}
  {{/each}}
{{/paper-radio-group}}
<br>
<br>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1",
    "ember-paper": "1.0.0-alpha.19"
  }
}