New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  actions: {
    toggleSomeBoolean() {
      this.toggleProperty('changeset.someBoolean');
    }
  }
});

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({
  someBoolean: attr('boolean', { defaultValue: false })
});

routes.application.js

import Ember from 'ember';
import Changeset from 'ember-changeset';

export default Ember.Route.extend({
  model() {
    return this.store.createRecord('myModel');
  },
  setupController(controller, model) {
    const changeset = new Changeset(model);
    controller.set('changeset', changeset);
    return this._super(...arguments);
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
SomeBoolean: {{changeset.someBoolean}}
<button {{action 'toggleSomeBoolean'}}>Toggle SomeBoolean</button>
<br>
<br>

twiddle.json

{
  "version": "0.11.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.11.0",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.11.0",
    "ember-testing": "2.11.0"
  },
  "addons": {
    "ember-changeset": "1.2.2"
  }
}