const webpack = require("webpack"); const webpackMerge = require("webpack-merge"); const base = require("./base.config"); module.exports = webpackMerge.smart(base, { entry: [ "react-hot-loader/patch", "webpack-dev-server/client?http://localhost:8080", "webpack/hot/only-dev-server", "core-js", "./app/script/index.tsx" ], devtool: "eval-source-map", plugins: [ new webpack.NamedModulesPlugin(), // new webpack.HotModuleReplacementPlugin(), ], devServer: { hot: true } });