Use jsx with Elem.js

elemjsx.es6

const Elem = require('elemjs');

Elem.jsx = (type, attributes, ...children) => {
    if (attributes === null) {
        return Elem.sel(type, children);
    }
    return Elem.el(type, attributes, children);
};

export default Elem;

main.es6

const Elem = require('elemjsx');

Elem.render(
  <h1>Hello jsx</h1>,
  document.body
);

webpack.config.js

var webpack = require('webpack');

module.exports = {
    resolve: {
        root: './src',
        extensions: ['', '.es6']
    },
    entry: {
        app: ['./src/main.es6']
    },
    output: {
        path: 'public/',
        filename: 'bundle.js',
        library: 'MyLib',
        libraryTarget: 'umd'
    },
    devServer: {
        contentBase: "./public"
    },
    module: {
        loaders: [
            {
                test: /\.js|\.es6$/,
                exclude: /node_modules/,
                /* IMPORTANT : jsxPragma=Elem.jsx */
                loader: 'babel-loader?stage=0&optional=runtime&jsxPragma=Elem.jsx'
            }
        ]
    }
};