component-aggregator-usage.js

@customElement('product-page')
export class ProductPage extends LitElement {
  render() {
    return html`
      <div>
        <h1>My Product Page</h1>
        <!-- ... -->
        <component-reference name="recommendation"></component-reference>
        <!-- ... -->
        <component-reference name="catalogue"></component-reference>
      </div>
    `;
  }
}