webpack.config.dev.js

var path = require('path');
var webpack = require('webpack');
var HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  devtool: 'source-map',
  entry: [
    'webpack-dev-server/client?http://localhost:3000',
    'webpack/hot/only-dev-server',
    './src/index'
  ],
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'bundle.js',
    publicPath: '/'
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NamedModulesPlugin(),
    new HtmlWebpackPlugin({
      template: './index.html',
      title: 'React Santa'
    })
  ],
  module: {
    rules: [{
      test: /\.jsx?$/,
      loaders: ['babel-loader'],
      include: path.join(__dirname, 'src')
    },{
      test: /\.css$/,
      exclude: /(node_modules|bower_components)/,
      use: [
        'style-loader',
        'css-loader',
        {
          loader: 'postcss-loader'
        }
      ]
    }]
  },
  node: {
    fs: 'empty'
  }
};