object promise proxy

controllers.application.js

import Ember from 'ember';


const { ObjectProxy , PromiseProxyMixin } = Ember;

const PromiseObject = ObjectProxy.extend(PromiseProxyMixin);

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
   _test: Ember.computed(function() {
    return PromiseObject.create({
      promise: Ember.RSVP.resolve({
        id: 123,
        version: 0,
        context_type: this.get('pin.block_type'),
        allowed_file_types: ['video/mp4'],
        allowed_max_size_per_file: 10485760
      })
    });
  }),
  
  init() {
    this._super(...arguments);
    this.get('_test');
  },
  
  test() {
    alert(this.get('_test.id'))
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

<button onclick={{action test}}>Test</button>

twiddle.json

{
  "version": "0.13.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}