rollbackAttributes

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  actions: {
    createItems() {
      this.store.createRecord('item', {name: 'item 1'});
      this.store.createRecord('item', {name: 'item 2'});
    }
  }
});

controllers.item.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions: {
    rollback() {
      this.get('model').rollbackAttributes();
    }
  }
});

models.item.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')
});

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('item', {path: '/:item_id'});
});

export default Router;

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return this.store.peekAll('item');
  }
});

templates.application.hbs

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

<ul>
  {{#each model as |item|}}
    <li>{{link-to item.name "item" item}}</li>
  {{/each}}
</ul>

<button {{action "createItems"}}>Create Items</button>


{{outlet}}
<br>
<br>

templates.item.hbs

<br><br>

Current item: <strong>{{model.name}}</strong>
<br><br>

hasDirtyAttributes: {{model.hasDirtyAttributes}}

<br><br>

<button {{action "rollback"}}>Rollback</button>

twiddle.json

{
  "version": "0.9.3",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.6.0",
    "ember-data": "release",
    "ember-template-compiler": "2.6.0"
  }
}