webpack.config.js

// # webpack.config.js
var webpack = require('webpack');
var path = require('path');

var BUILD_DIR = path.resolve(__dirname, './app/dist');  // Distribution directory
var APP_DIR = path.resolve(__dirname, './app');         // App directory

var config = {
  entry: APP_DIR + '/app.js',
  output: {
    path: BUILD_DIR,
    filename: 'build.js'
  },
  resolve: {
    extensions: ['', '.js', '.jsx', 'index.js', '.json', 'index.json']
  },
  module : {
    loaders : [
      {
        test : /\.js?/,
        include : APP_DIR,
        exclude : /node_modules/,
        loader : 'babel'
      }
    ]
  }
}

module.exports = config;