ember-changeset and moment another deep dive

controllers.application.js

import Ember from 'ember';
import { get } from '@ember/object';
import Changeset from 'ember-changeset';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  init() {
    this._super(...arguments);
    
    class Moment {}

    let c = new Changeset({
      foo: new Moment()
    });
    c.set('bar', new Moment());
    
    console.log(c.get('foo') instanceof Moment); // true
    console.log(get(c, 'foo') instanceof Moment); // false
    console.log(c.get('bar') instanceof Moment); // true
    console.log(get(c, 'bar') instanceof Moment); // true
  }
});

templates.application.hbs

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

twiddle.json

{
  "version": "0.15.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.2.2",
    "ember-template-compiler": "3.2.2",
    "ember-testing": "3.2.2"
  },
  "addons": {
    "ember-changeset": "1.5.0-beta.2"
  }
}