import {bootstrap} from 'angular2/core'; import {Component, Template} from 'angular2/angular2'; import {View} from 'ionic2/components/view/view'; import {Content} from 'ionic2/components/content/content'; import {Icon} from 'ionic2/components/icon/icon'; @Component({ selector: '[ion-app]' }) @Template({ url: 'main.html', directives: [View, Content, Icon] }) class IonicApp { constructor() { console.log('IonicApp Start') } } bootstrap(IonicApp)