docs/app/controllers/public-pages/cookbook/bootstrap-theme.js
import Controller from '@ember/controller';
const countries = [
{ name: 'United States', flagUrl: '/flags/us.svg' },
{ name: 'Spain', flagUrl: '/flags/es.svg' },
{ name: 'Portugal', flagUrl: '/flags/pt.svg' },
{ name: 'Russia', flagUrl: '/flags/ru.svg' },
{ name: 'Latvia', flagUrl: '/flags/lv.svg' },
{ name: 'Brazil', flagUrl: '/flags/br.svg' },
{ name: 'United Kingdom', flagUrl: '/flags/gb.svg' },
];
export default class BootstrapTheme extends Controller {
options = countries;
selectedSingle = null;
selectedMultiple = [];
}