Minimal webpack config to get started with React and ES2015

webpack.config.js

module.exports = {
    entry: "./public/javascripts/src/App.jsx",  //entry point of your app
    output: {
        filename: "./public/javascripts/build/bundle.js" //output transpiled and compiled code
    },
    module: {
        loaders:[
            {
                test: /\.js[x]?$/,  //list of extensions
                exclude: /node_modules/,
                loader: "babel?presets[]=react&presets=es2015"
            }
        ]
    }
};