Route Loading Substate

controllers.application.js

import Ember from 'ember';

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

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('about');
});

export default Router;

routes.about.js

import Ember from 'ember';

export default Ember.Route.extend({
  model: function() {
    return new Ember.RSVP.Promise(function(resolve) {
      Ember.run.later(null, resolve, {}, 2000);
    });
  }
});

templates.about-loading.hbs

about page is currently loading...

templates.about.hbs

<h2>about</h2>

templates.application.hbs

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

<nav>
  {{#link-to 'index'}}Index{{/link-to}}
  {{#link-to 'about'}}About{{/link-to}}
</nav>
<hr>

{{outlet}}

templates.index.hbs

<h2>index</h2>

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"
  }
}