Forms Using Names

controllers.application\.js

import Controller from '@ember/controller';

const namedValues = (event) => {
  const fields = Object.keys(event.target.elements).filter(key => Number.isNaN(parseInt(key, 10)))
  const values = Object.fromEntries(fields.map(key => {
    let element = event.target.elements[key];
    let value = element.type === 'checkbox' ? element.checked : element.value

    return [key, value];
  }));
  
  return values;
}

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
	data = {
    name: 'Billy',
    active: false
  };

	saveUser = (event) => {
    event.preventDefault();
    
    const values = namedValues(event);

    alert(JSON.stringify(values, null, 2));
  }
}

templates.application\.hbs

<h1>Welcome to {{this.appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
<form {{on 'submit' this.saveUser}}>
	<div>
		<label for='name'>Name</label>
		<input id='name' name='name' placeholder='Lauren' value={{this.data.name}}>
  </div>
  <div>
		<label for='active'>Active</label>
		<input id='active' name='active' type='checkbox' value={{this.data.active}}>
  </div>
	<button type='submit'>Save User</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"
  }
}