gistfile1.txt

import React from "react";
import mui from "material-ui";

var ThemeManager = new mui.Styles.ThemeManager(),
    Avatar = mui.Avatar;

var Page = React.createClass({
    childContextTypes: {
        muiTheme: React.PropTypes.object
    },

    getChildContext: function() {
        return {
            muiTheme: ThemeManager.getCurrentTheme()
        }
    },

    render: function() {
        return <Avatar>A</Avatar>;
    }
});

React.render(<Page />, document.getElementById("container"));