New Twiddle

controllers.application.js

import Ember from 'ember';
import { inject } from '@ember/service';
import { computed } from '@ember/object';

export default Ember.Controller.extend({
  router: inject(),
  init(...args) {
    this._super(...args);
    
    const routeInfo1 = this.router.recognize('/foo/1?hello=bonjour');
    const routeInfo2 = this.router.recognize('/foo/2?hello=ola');
    
    this.set('info', routeInfo1);
  }
});

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('foo', {path: '/foo/:foo_id'});
});

export default Router;

templates.application.hbs

<ul>
  {{#each info as |segment|}}
  	<li>{{segment.localName}}
    	<ul>
  			{{#each-in segment.queryParams as |key value|}}
        	<li>{{key}}: {{value}}</li>
        {{/each}}
      </ul>
		</li>
  {{/each}}
</ul>

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"
  }
}