webpack.config.react.js

const path = require('path')
const webpack = require('webpack')
const UglifyJSPlugin = require('uglifyjs-webpack-plugin')
const ExtractTextPlugin = require('extract-text-webpack-plugin')


const prod = process.env.NODE_ENV === 'prod'

const extractStylus = new ExtractTextPlugin('../css/[name].css')

const webpackConfig = {
  context: __dirname,
  entry: {
    base: './src/base',
  },
  output: {
    path: path.join(__dirname, '/public/js'),
    filename: '[name].js',
    library: '[name]',
  },
  watch: true,
  resolve: {
    moduleExtensions: ['.', './node_modules'],
    extensions: ['.js', '.jsx'],
  },
  devtool: 'eval',
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /(node_modules)/,
        loader: 'babel-loader',
        options: {
          presets: ['es2015', 'react'],
          plugins: [
            'transform-class-properties',
            'transform-object-rest-spread',
          ],
        },
      },
      {
        test: /\.styl$/,
        exclude: /(node_modules)/,
        use: extractStylus.extract({
          fallback: 'style-loader',
          use: ['css-loader', 'stylus-loader'],
        }),
      },
    ],
  },
  plugins: [
    new webpack.ProvidePlugin({
      React: 'react',
    }),
    extractStylus,
  ],
  devServer: {
    contentBase: [
      path.join(__dirname, 'public/'),
    ],
    publicPath: '/js/',
    watchContentBase: true,
    compress: true,
    port: 3000,
  },
}

if (prod) {
  delete webpackConfig.devServer
  delete webpackConfig.devtool
  webpackConfig.watch = false
  webpackConfig.module.rules[0].options.plugins.push('transform-react-remove-prop-types')
  webpackConfig.plugins.concat([
    new UglifyJSPlugin(),
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify('production'),
      },
    }),
  ])
}

module.exports = webpackConfig