Basics Demo

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

controllers.my-route.js

import Ember from 'ember';

export default Ember.Controller.extend({
  route_test: "Custom Route!",
  input_value: '',
  
  calc_values: Ember.computed('input_value', function(){
    let value = this.get('input_value');
    
    let calculated_value = [
      {
        "label": "doubled",
        "value": value * 2
      }, {
        "label": "halved",
        "value": value / 2
      }, {
        "label": "squared",
        "value": value * value
      }, {
        "label": "cubed",
        "value": value * value * value
      }, {
        "label": "square root",
        "value": Math.sqrt(value)
      }
    ];
    
    return calculated_value;
  }),
  
  isMathVisible: Ember.computed('input_value', function(){
  	return this.get('input_value') > 0
  })
});

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('my-route', function() {});
});

export default Router;

routes.my-route.js

import Ember from 'ember';

export default Ember.Route.extend({
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
<p>
  {{#link-to "my-route"}}Test Route{{/link-to}}
</p>
{{outlet}}
<br>
<br>
<p>
	I'm the footer, bitches!
</p>

templates.index.hbs

<p>
  This is a basic demo for examples of the most basic Ember functionality.
</p>

templates.my-route.hbs

<p>
  {{ route_test }}
</p>

<p>
	{{ input type="number" min=0 max=500 value=input_value }}
</p>

<p>
	Input text: {{ input_value }}
</p>

{{#if isMathVisible}}
<ul>
  {{#each calc_values as |calc|}}
	  <li>
      {{ calc.label }}: {{calc.value}}
    </li>
  {{/each}}
</ul>
{{/if}}

tests.helpers.destroy-app.js

import Ember from 'ember';

export default function destroyApp(application) {
  Ember.run(application, 'destroy');
}

tests.helpers.resolver.js

import Resolver from '../../resolver';
import config from '../../config/environment';

const resolver = Resolver.create();

resolver.namespace = {
  modulePrefix: config.modulePrefix,
  podModulePrefix: config.podModulePrefix
};

export default resolver;

tests.helpers.start-app.js

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

const { run } = Ember;
const assign = Ember.assign || Ember.merge;

export default function startApp(attrs) {
  let application;

  let attributes = assign({rootElement: "#test-root"}, config.APP);
  attributes = assign(attributes, attrs); // use defaults, but you can override;

  run(() => {
    application = Application.create(attributes);
    application.setupForTesting();
    application.injectTestHelpers();
  });

  return application;
}

tests.test-helper.js

import resolver from './helpers/resolver';
import {
  setResolver
} from 'ember-qunit';

setResolver(resolver);

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"
  }
}