test transitionTo

components.transition-component\.js

import Component from '@glimmer/component';
import { action } from '@ember/object';
import { inject as service } from '@ember/service';
import { tracked } from '@glimmer/tracking';

export default class TransitionComponentComponent extends Component {
  @service router;
  @tracked term;

  @action
  doTransition(){
    console.log(this.term);
    this.router.transitionTo({
      queryParams: {
        term: this.term
      }
    });
  }
}

controllers.application\.js

import Controller from '@ember/controller';

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

templates.application\.hbs

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

templates.components.transition-component\.hbs

<Input
  @value={{this.term}}
/>
<button
  {{on "click" this.doTransition}}
  >
  hey
</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"
  }
}