generator-fountain-angular2/generators/hello/templates/src/app/hello.ts

Yeoman Fountain generator to scaffold a webapp with Angular 2 written in ES6 (Babel), TypeScript through Webpack or SystemJS including tools Gulp 4, ESLint, Browsersync and Karma

import {Component} from '@angular/core';

@Component({
  selector: 'fountain-app',
  template: require('./hello.html')
})
export class HelloComponent {
  public hello: string;

  constructor() {
    this.hello = 'Hello World!';
  }
}