Angular2 + Typescript Demo Plunk

<!DOCTYPE html>
<html>

  <head>
    <title>angular2 playground</title>
    <link href="style.css" rel="stylesheet" />
    <script src="https://code.angularjs.org/2.0.0-beta.0/angular2-polyfills.js"></script>
    <script src="https://code.angularjs.org/tools/system.js"></script>
    <script src="https://code.angularjs.org/tools/typescript.js"></script>
    <script src="config.js"></script>
    <script src="https://code.angularjs.org/2.0.0-beta.0/Rx.js"></script>
    <script src="https://code.angularjs.org/2.0.0-beta.0/angular2.min.js"></script>
    <script src="https://code.angularjs.org/2.0.0-beta.0/http.min.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
  </head>

  <body>
    <my-app>
    loading...
  </my-app>
  </body>

</html>

/* Styles go here */

### Angular2 Starter Plunker - Typescript - Beta 0

A simple plunker demonstrating Angular2 usage:
- Uses SystemJS + TypeScript to compile on the fly
- Includes binding, directives, http, pipes, and DI usage.

System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  //map tells the System loader where to look for things
  map: {
    app: "./src"
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    }
  }
});

//main entry point
import {bootstrap} from 'angular2/platform/browser';
import {App} from './app';

bootstrap(App, [])
  .catch(err => console.error(err));

//our root app component
import {Component, View} from 'angular2/core'
import {MaterialDesignDirective} from './MaterialDesign';

@Component({
  selector: 'my-app'
})

@View({
  template: `
    <div class="md-input-wrapper">
      <input type="text" class="md-input">
    </div>
  `,
  directives: [MaterialDesignDirective]
})
export class App {
  constructor() {}}
}

import {Directive, ElementRef, Renderer} from 'angular2/core';

@Directive({
  selector: '.md-input',
  // Commented out so page will run - uncomment to see error
  /*
 host: {
 '(focus)': 'setInputFocus(true)',
 '(blur)': 'setInputFocus(false)',
  }
  */
})

export class MaterialDesignDirective {

  renderer: Renderer;
  el: ElementRef;

  constructor(el: ElementRef, renderer: Renderer) {
    this.renderer = renderer;
    this.el = el;
  }

  setInputFocus() {
    this.renderer.setElementClass(this.el.nativeElement.parentElement, 'md-input-focus', true);
  }
}