New Twiddle

controllers.application.js

import Ember from 'ember';

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

controllers.subscription-type.js

import Ember from 'ember';

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

router.js

import EmberRouter from '@ember/routing/router';
import config from './config/environment';

const Router = EmberRouter.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() { 
  this.route('subscription-type', function() {
    this.route('tee')
  });
});

export default Router;

routes.subscription-type.js

import Ember from 'ember';

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

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

.active {
  color: red;
}

a > a {
  display: none;
}

a.active {
  display: block;
}

a.active > a {
  display: block
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{#link-to 'subscription-type'}}Subtype
{{#link-to 'subscription-type.tee'}}tee{{/link-to}}
{{#link-to 'subscription-type.tee'}}tee 2{{/link-to}}
{{/link-to}}


{{outlet}}
<br>
<br>

templates.subscription-type.hbs

hello

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2"
  }
}