webpack.config.js

const path = require("path");
const webpack = require("webpack");
const CleanWebpackPlugin = require("clean-webpack-plugin");
const BundleAnalyzerPlugin = require("webpack-bundle-analyzer").BundleAnalyzerPlugin;
const version = require("./package.json").version;

module.exports = {
  entry: "./src/main.ts",
  devtool: "source-map",
  target: "node",
  node: false,
  mode: "production",
  plugins: [
    new CleanWebpackPlugin("./dist"),
    new webpack.EnvironmentPlugin({
      NODE_ENV: "production"
    }),
    new BundleAnalyzerPlugin({
      analyzerMode: "static",
      openAnalyzer: false
    })
  ],
  module: {
    rules: [{
      test: /\.ts$/,
      use: "ts-loader",
      exclude: /node_modules/
    }]
  },
  // for ws module, these two cpp dependencies are optional, ignore them
  externals: ["bufferutil", "utf-8-validate"],
  resolve: {
    extensions: [".ts", ".js", ".json", ".node"]
  },
  optimization: {
    minimize: true,
    nodeEnv: "production",
  },
  output: {
    filename: `http-adapter-${version}.js`,
    path: path.resolve(__dirname, "./dist")
  }
};