Nested Routes and Models

application.controller.js

import Ember from 'ember';

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

router.js

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

var Router = Ember.Router.extend({
  location: config.locationType
});

Router.map(function() {
  this.route('childone', function() {
    this.route('childtwo');
  });
});

export default Router;

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
    return [1,2,3];
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
Application Model:
{{#each model as |number|}}
{{number}}
{{/each}}
<br><br>
{{outlet}}
<br>
<br>

templates.childone.childtwo.hbs

childtwo model:
{{#each model as |number|}}
{{number}}
{{/each}}

templates.childone.hbs

childone model:
{{#each model as |number|}}
{{number}}
{{/each}}
<br><br>
{{outlet}}
<br>
<br>

templates.index.hbs

Index model:
{{#each model as |number|}}
{{number}}
{{/each}}

twiddle.json

{
  "version": "0.4.14",
  "EmberENV": {
    "FEATURES": {}
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.1.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember-template-compiler.js"
  }
}