react typescript browserify

app.tsx

// npm install browserify -g
// npm install tsd -g
// npm install react tsify
// tsd install react
// browserify app.tsx -p [tsify --jsx=react] -o bundle.js

/// <reference path="typings/react/react.d.ts" />
import React = require("react");

interface HelloWorldComponentProps extends React.Props<any> {
    text: string;
}

class HelloWorldComponent extends React.Component<HelloWorldComponentProps, {}> {
    render() {
        return <div>Hello {this.props.text}!</div>;
    }
}

React.render(<HelloWorldComponent text="Steve" />, document.getElementById("content"));