es6 class and cloneElement

gistfile1.txt

const { Router,
        Route,
        IndexRoute,
        Redirect,
        Link,
        IndexLink
      } = ReactRouter

const StandardClass = class ComponentClass extends React.Component {
  constructor(props) {
    super(props);
    this.props = {};
  }
  render() {
    return React.cloneElement(CreatedClass, this.state);
  }
}

const CreatedClass = React.createClass({

  render() {
    return (
      <div>
        <h1>React Router Playground</h1>
      </div>
    )
  }
})

React.render((
  <Router>
    <Route path="/" component={StandardClass}/>
  </Router>
), document.getElementById('app'))