webpack.config.js

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

const config = {
  context: __dirname,
  entry: [
    // 'react-hot-loader/patch',
    // 'webpack-dev-server/client?http://localhost:8080',
    // 'webpack/hot/only-dev-server',
    // 'webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000',
    './app/ClientApp.jsx'
  ],
  devtool: process.env.NODE_ENV === 'development' ? 'cheap-eval-source-map' : false,
  output: {
    path: path.join(__dirname, 'public'),
    filename: 'bundle.js',
    publicPath: '/public/'
  },
  resolve: {
    extensions: ['.js', '.jsx', '.json']
  },
  devServer: {
    hot: true,
    publicPath: '/public/',
    historyApiFallback: true
  },
  stats: {
    color: true,
    reasons: true,
    chunks: true
  },
  plugins: [new webpack.HotModuleReplacementPlugin(), new webpack.NamedModulesPlugin()],
  module: {
    rules: [
      {
        enforce: 'pre',
        test: /\.jsx?$/,
        loader: 'eslint-loader',
        exclude: '/node_modules/'
      },
      {
        test: /\.jsx?$/,
        loader: 'babel-loader',
        options: {
          plugins: ['transform-decorators-legacy']
        }
      }
    ]
  }
};

if (process.env.NODE_ENV === 'development') {
  config.entry.unshift('webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000');
}

module.exports = config;