webpack.config-starter.js

module.exports = {
  entry: "./src/app.js",
  output: {
    filename: "public/bundle.js"
  },
  resolve: {
    extensions: ['', '.js', '.jsx', '.css']
  },
  module: {
    loaders: [
      {
        test: /\.jsx?$/,
        exclude: /(node_modules|bower_components)/,
        loader: 'babel',
        query: {
          presets: ['react', 'es2015']
        }
      },
      { test: /\.css$/, loader: "style-loader!css-loader" }
    ]
  },
  devtool: 'source-map',
}