Nested route example

controllers.application\.js

import Controller from '@ember/controller';

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
}

controllers.my-route\.js

import Controller from '@ember/controller';

export default Controller.extend({
  queryParams: ['trigger'],
  trigger: false,
  
  actions: {
  onTrigger ()  {
  this.set('trigger', !this.trigger)
}
}
});

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('my-route')
})

export default Router;

routes.application\.js

import Route from '@ember/routing/route';

export default Route.extend({
 queryParams: {
   appName: {
     refreshModel: true
   }
 },
  model () {
    const wait = ms => new Promise(resolve => setTimeout(resolve, ms));
		return wait(1000).then(() => 12)
  }
})

routes.my-route\.js

import Route from '@ember/routing/route';
let count = 0
export default Route.extend({
 queryParams: {
   nested: {refreshModel: true},
   trigger: {refreshModel:true}
 },
  model () {
		return ++count
  }
})

templates.application\.hbs

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

templates.my-route\.hbs

Model run times: {{model}}


Triggered: {{trigger}}

<button {{action 'onTrigger'}}> Click me </button>

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "3.18.1",
    "ember-template-compiler": "3.18.1",
    "ember-testing": "3.18.1"
  },
  "addons": {
    "@glimmer/component": "1.0.0"
  }
}