webpack.config.js

var path = require('path');

var DIST_PATH = path.resolve( __dirname, 'dist' );
var SOURCE_PATH = path.resolve( __dirname, 'src' );

module.exports = {
   entry: SOURCE_PATH + '/app/main.js',
   output: {
       path: DIST_PATH,   
       filename: 'app.dist.js',
       publicPath: '/app/'
   },  
   module: {
       loaders: [
           {
               test: /.jsx?$/, 
               loader: 'babel-loader',
               exclude: /node_modules/,
               query: {
                   presets: [
                       'es2015',
                       'react',
                       'stage-2'
                   ]
               }
           },
           {
            test: /\.css$/,
            loader: 'style-loader'
          }, {
            test: /\.css$/,
            loader: 'css-loader',
            query: {
              modules: true,
              localIdentName: '[name]__[local]___[hash:base64:5]'
            }
          }
       ]
   }
};