const path = require('path'); const webpack = require('webpack'); module.exports = { devtool: 'eval-source-map', devServer: { contentBase: path.join(__dirname, 'dist'), host: 'localhost', port: process.env.PORT || 3000, historyApiFallback: true, hot: true, }, entry: [ 'webpack-dev-server/client?http://localhost:3000', 'webpack/hot/only-dev-server', './index', ], output: { path: path.join(__dirname, 'dist'), filename: 'bundle.js', }, plugins: [new webpack.HotModuleReplacementPlugin()], module: { rules: [ { test: /\.js$/, use: ['babel-loader'], exclude: /node_modules/, include: [__dirname, path.join(__dirname, '../../src')], }, { test: /\.css?$/, use: [ 'style-loader', { loader: 'raw-loader', options: { esModule: false, }, }, ], }, ], }, };