import Component from '@glimmer/component'; import { tracked } from '@glimmer/tracking'; import { action } from '@ember/object'; import { schedule } from '@ember/runloop'; export default class DisclosureComponent extends Component { @tracked ids = ''; @action add(id) { schedule('afterRender', () => { this.ids = `${this.ids}${this.ids.length > 0 ? ` ` : ``}${id}`; }); } @action remove(id) { this.ids = this.ids .split(' ') .filter(item => item !== id) .join(' '); } }