New Twiddle

components.classic\.hbs

<p>Is it fun? {{if this.isFun "Yes!" "nooooo"}}</p>

components.classic\.js

import Component from '@ember/component';
import { computed } from '@ember/object';

export default class Classic extends Component {
  @computed('fun')
  get isFun() {
    return this.fun.length > 5;
  }
}

components.glimmer-parent\.hbs

<Classic @fun={{this.value}} />

<input {{on "input" this.updateValue}} value={{this.value}} />

components.glimmer-parent\.js

import Component from '@glimmer/component';
import { tracked } from '@glimmer/tracking';

export default class extends Component {
  @tracked _value = "";

  get value() {
    return this._value;
  }

  updateValue = ({ target: { value } }) => {
    this._value = value;
  };
}

controllers.application\.js

import Controller from '@ember/controller';

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

templates.application\.hbs

<h1>Interop, yo</h1>
<GlimmerParent />

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"
  }
}