webpack.config.js

var webpack = require('webpack');
var path = require('path');

var __DEV__ = process.env.NODE_ENV !== 'production';

module.exports = {
  devtool: __DEV__ ? 'inline-source-map' : null,

  entry: {
    bundle: './client'
  },

  output: {
    filename: 'bundle.js',
    path: path.join(__dirname, 'public', 'js'),
    publicPath: '/js/'
  },

  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify(__DEV__ ? 'development' : 'production')
      },
      __DEVTOOLS__: !__DEV__
    }),
    // Use browser version of visionmedia-debug
    new webpack.NormalModuleReplacementPlugin(
      /debug\/node/,
      'debug/browser'
    ),
    new webpack.optimize.OccurenceOrderPlugin(true),
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NoErrorsPlugin()
  ],

  module: {
    loaders: [
      {
        test: /\.jsx?$/,
        include: [
          path.join(__dirname, 'client/'),
          path.join(__dirname, 'common/')
        ],
        loaders: __DEV__ ? ['react-hot', 'babel'] : [ 'babel' ]
      },
      {
        test: /\.json$/,
        loaders: [
          'json-loader'
        ]
      }
    ]
  }
};