New Twiddle

components.form-demo\.js

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

function createForm(schema) {
  submit(values) {
		debugger
  }
}

export default class extends Component {
  form = createForm({
    fields: {
      name: {
        type: "string",
        kind: "text",
      },
      email: {
        type: "string",
        kind: "email",
      },
    }
  });
	
	@action
	submitForm(e) {
  	e.preventDefault();
    this.form.submit();
  }
}

controllers.application\.js

import Controller from '@ember/controller';

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

templates.application\.hbs

<FormDemo />

templates.components.form-demo\.hbs

<form {{on "submit" this.submitForm}}>
	<label for="name">Name</label>
	<input id="name" type="text" value="hola" />
  
  <label for="email">Email</label>
	<input id="email" type="email" value="[email protected]" />
  
  <button type="submit">Submit</button>
</form>

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"
  }
}