New Twiddle

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('a', function() {
    this.route('b', function() {
      this.route('c', function() {
      });
      });
    });
  });

  export default Router;

routes.a.js

import Ember from 'ember';

export default Ember.Route.extend({
  renderTemplate(controller, model) {
    // debugger;
    // yuno work and re-render entire screen w nothing?
    this.render('a-header', {
      into: 'application',
      outlet: 'header',
    });
  }
});

templates.a-header.hbs

ima header

templates.application.hbs

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

<div>\{{outlet 'header'}}: {{outlet 'header'}}</div>
<div>\{{outlet 'footer'}}: {{outlet 'footer'}}</div>

<h1>Links</h1>

{{link-to 'a' 'a'}}
{{link-to 'a.b' 'a.b'}}
{{link-to 'a.b.c' 'a.b.c'}}

twiddle.json

{
  "version": "0.13.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}