New Twiddle

router.js

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

const Router = Ember.Router.extend({
  location: config.locationType,
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('app', function() {
    this.route('dashboard', function() {
      this.route('overview');
    }
  );
    this.route('conversations');
    this.route('analytics');
  });
});

export default Router;

routes.analytics.js

import Ember from 'ember';

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

routes.app-navigation.js

import Ember from 'ember';

export default Ember.Route.extend({
  classNames: ['app-navigation']
});

routes.app.js

import Ember from 'ember';

let navItems = [{
  title: 'Dashboard',
  url: 'app.dashboard',
  subItems: [
    {
      title: 'Overview',
      url: 'app.dashboard.overview'
    }, {
      title: 'Title',
      url: 'app.dashboard.overview'
    }
  ]
}, {
  title: 'Conversations',
  url: 'app.conversations'
}, {
  title: 'Analytics',
  url: 'app.analytics',
  subItems: [
    {
      title: 'Overview',
      url: 'app.dashboard.overview'
    }, {
      title: 'Title',
      url: 'app.dashboard.overview'
    }
  ]
}];

export default Ember.Route.extend({
  model() {
    return navItems;
  },
  renderTemplate(controller, model) {
    // render the standard template
    this._super(controller, model);
    // Render the nav into the application template
    this.render('app-navigation', {
      into: 'app',
      outlet: 'nav-menu'
    });
  },
  init: function() {
    Ember.$(function() {
      Ember.$('nav#menu').mmenu();
    });
  }
});

routes.conversations.js

import Ember from 'ember';

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

routes.dashboard.js

import Ember from 'ember';

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

routes.overview.js

import Ember from 'ember';

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

templates.analytics.hbs

{{outlet}}

templates.app-navigation.hbs

<nav id="menu">
  <ul>
    {{#each model as |navItems|}}
    <li>
      {{#if navItems.subItems}}
        <span>{{navItems.title}}</span>
        <ul>
          {{#each navItems.subItems as |subitem|}}
          <li>
            {{#link-to subitem.url}}
              {{subitem.title}}
            {{/link-to}}
          </li>
          {{/each}}
        </ul>
      {{else}}
        {{#link-to navItems.url}}
          {{navItems.title}}
        {{/link-to}}
      {{/if}}
    </li>
    {{/each}}
  </ul>
</nav>

templates.app.hbs

<div id="page">
  <div class="header">
  </div>
  {{outlet 'nav-menu'}}

  <div class="app-body">
  {{outlet}}
  </div>
</div>

templates.conversations.hbs

{{outlet}}

templates.dashboard.hbs

{{outlet}}

templates.overview.hbs

{{outlet}}

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": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.8.0",
    "ember-data": "2.8.0",
    "ember-template-compiler": "2.8.0",
    "ember-testing": "2.8.0"
  },
  "addons": {}
}