webpack.common.js

const path = require("path");
const UglifyJsPlugin = require("uglifyjs-webpack-plugin");

module.exports = {
  entry: path.resolve(__dirname, "src", "index.js"),
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "server.js",
  },
  optimization: {
    minimizer: [
      new UglifyJsPlugin({
        uglifyOptions: {
          compress: { inline: 1 },
          mangle: { keep_fnames: true },
        },
      }),
    ],
    splitChunks: {
      chunks: "all",
    },
  },
  target: "node",
  node: {
    __dirname: false,
    __filename: false,
  },
  module: {
    rules: [
      {
        test: /\.(jpg|png|jpeg)$/i,
        use: [
          {
            loader: "url-loader",
            options: {
              limit: 8192,
              outputPath: "assets/",
            },
          },
        ],
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
        },
      },
    ],
  },
};