New Twiddle

components.my-component\.js

import Component from '@glimmer/component';

export default class extends Component {
}

controllers.application\.js

import Controller from '@ember/controller';

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

routes.application\.js

import Route from '@ember/routing/route';

export default class ApplicationRoute extends Route {
  model(params) {
    let data = [
      { 
        id: 1, 
        name: "Product 1",
        commissions: [
          {
          	id: 1,
            percentage: 5,
            validatedPercentage: false
          },
          {
          	id: 2,
            percentage: 6,
            validatedPercentage: false
          },
        ]
      },
      { 
        id: 2, 
        name: "Product 2",
        commissions: [
          {
          	id: 3,
            percentage: 10,
            validatedPercentage: false
          },
          {
          	id: 4,
            percentage: 11,
            validatedPercentage: false
          },
        ]
      },
    ]
    
  	return { 
      data: data 
    }
  }
};

templates.application\.hbs

{{#each this.model.data as |product|}}
	<div>{{product.name}}</div>
  <MyComponent @commissions={{product.commissions}} />
{{/each}}

templates.components.my-component\.hbs

{{#each @commissions as |commission|}}
	<div style="margin-left: 10px">{{commission.percentage}} %</div>
{{/each}}

<button {{on "click" @updatePercentage}}/>

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"
  }
}