webpack.config.js

const path = require('path');

const BUILD_DIR = path.resolve(__dirname, 'build');
const APP_DIR = path.resolve(__dirname, 'src');

const config = {
  entry: APP_DIR + '/index.jsx',
  output: {
    path: BUILD_DIR,
    filename: 'bundle.js'
  },
  cache: false,
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        include: APP_DIR,
        use: [
          'babel-loader'
        ],
        exclude: /node_modules/
      },
      {
        test: /\.html$/,
        exclude: /node_modules/,
        use: {
          loader: 'file-loader',
          query: {
            name: '[name].[ext]'
          },
        },
      }
    ]
  },
  resolve: {
    // you can now require('file') instead of require('file.coffee')
    extensions: ['.js', '.json', '.jsx']
  },
  externals: {
    'react/addons': 'react',
    'react/lib/ExecutionEnvironment': 'react',
    'react/lib/ReactContext': 'react',
  },
  stats: {
    colors: {
      green: '\u001b[32m',
    }
  },
  devServer: {
    contentBase: './src',
    historyApiFallback: true,
    port: 3000,
    compress: false,
    inline: true,
    hot: true,
    stats: {
      assets: true,
      children: false,
      chunks: false,
      hash: false,
      modules: false,
      publicPath: false,
      timings: true,
      version: false,
      warnings: true,
      colors: {
        green: '\u001b[32m',
      }
    },
  }
};

module.exports = config;