angular-docs-cn/public/docs/_examples/style-guide/ts/app/hero-data.ts

export class HeroData {
  createDb() {
    let heroes = [
      { id: '1', name: 'Windstorm' },
      { id: '2', name: 'Bombasto' },
      { id: '3', name: 'Magneta' },
      { id: '4', name: 'Tornado' }
    ];
    return {heroes};
  }
}