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'
});

Router.map(function() {
  this.route('routeA', function () {
    this.route('routeX')
  })
  this.route('routeB', function (){
    this.route('routeX')
  })
});

export default Router;

routes.routA.routeX.js

import Ember from 'ember';

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

routes.routeA.js

import Ember from 'ember';

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

routes.routeB.js

import Ember from 'ember';

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

routes.routeB.routeX.js

import Ember from 'ember';

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

templates.application.hbs

{{link-to 'Route A' 'routeA'}} | {{link-to 'routeB' 'routeB'}}
<br/>
{{link-to 'routeA.X' 'routeA.routeX'}} | {{link-to 'routeB.X' 'routeB.routeX'}}
<br/>
{{outlet}}

templates.routeA.hbs

Route A
{{outlet}}

templates.routeA.index.hbs

Index A

templates.routeA.routeX.hbs

Route A.X

templates.routeB.hbs

Route B
{{outlet}}

templates.routeB.routeX.hbs

route B.X

twiddle.json

{
  "version": "0.7.2",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.4/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.4.3/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.4/ember-template-compiler.js"
  }
}