New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  queryParams: ['searchTerm']
});

router.js

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

const Router = Ember.Router.extend({
  location: 'none'
});

Router.map(function() {
  this.route('thread');
});

export default Router;

routes.application.js

import Ember from 'ember';

let modelRefreshCount = 0;
export default Ember.Route.extend({
  
  model() {
    debugger;
    modelRefreshCount++;
    return {
      modelRefreshCount
    };
  }
});

routes.thread.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
modelRefreshCount: {{model.modelRefreshCount}}<br>
searchTerm: {{searchTerm}} <br>

<br>

{{#link-to "index" (query-params searchTerm="test")}}Index with searchTerm{{/link-to}}<br>

{{#link-to "index" (query-params searchTerm="")}}Index that removes searchTerm{{/link-to}}<br>

<br>

{{#link-to "thread"}}Thread without searchTerm{{/link-to}}<br>

{{#link-to "thread" (query-params searchTerm="test")}}Thread with searchTerm{{/link-to}}<br>

{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.8.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.5.1",
    "ember-data": "2.5.2",
    "ember-template-compiler": "2.5.1"
  }
}