webpack.config.js

var path = require('path');
var webpack = require('webpack');
var HtmlWebpackPlugin = require('html-webpack-plugin');
var ExtractTextPlugin = require("extract-text-webpack-plugin");

module.exports = {
  entry: [
    'react-hot-loader/patch',
    'webpack-dev-server/client?http://localhost:8080',
    'webpack/hot/only-dev-server',
    path.join(__dirname, 'example', 'src', 'index.js')
  ],
  output: {
    path: path.join(__dirname, 'example', 'dist'),
    filename: 'index.js',
    publicPath: '/',
  },
  devtool: 'inline-source-map',
  module: {
    rules: [
      {
        test: /\.js$/,
        use: [  'babel-loader' ],
        include: [ path.join(__dirname, 'example') ]
      }, {
        test: /\.html$/,
        use: [ 'html-loader' ]
      }, 
      {
          test: /\.css$/,
          exclude: /node_modules/,
          use: ExtractTextPlugin.extract({
            fallback: 'style-loader', 
            use: 'css-loader?modules&importLoaders=1&localIdentName=[name]__[local]___[hash:base64:5]',
          })
       }
    ]
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NamedModulesPlugin(),
    new ExtractTextPlugin("styles.css"),
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: './example/src/index.html',
      inject: true,
      hash: true,
      minify: {
        removeComments: true,
        collapseWhitespace: true,
        removeAttributeQuotes: true
      },
    })
  ],
  devServer: {
    historyApiFallback: true,
    hot: true,
    contentBase: path.join(__dirname, 'example'),
    publicPath: '/'
  }
}