webpack.config.js

const path = require("path");
const TerserPlugin = require("terser-webpack-plugin");

module.exports = {
  devtool: "source-map",
  entry: "./src/index.ts",
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "[name].js",
  },
  optimization: {
    minimize: true,
    minimizer: [new TerserPlugin()],
  },
  resolve: {
    // Add `.ts` and `.tsx` as a resolvable extension.
    extensions: [".ts", ".tsx", ".js"],
    // Add support for TypeScripts fully qualified ESM imports.
    extensionAlias: {
      ".js": [".js", ".ts"],
      ".cjs": [".cjs", ".cts"],
      ".mjs": [".mjs", ".mts"],
    },
  },
  module: {
    rules: [
      // all files with a `.ts`, `.cts`, `.mts` or `.tsx` extension will be handled by `ts-loader`
      { test: /\.([cm]?ts|tsx)$/, loader: "ts-loader" },
    ],
  },
};