webpack.conf.js

const path = require("path");
const CopyPlugin = require("copy-webpack-plugin");

module.exports = {
  entry: "./src/index.tsx",
  mode: "production",
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: [
          {
            loader: "ts-loader",
            options: {
              compilerOptions: { noEmit: false },
            },
          },
        ],
        exclude: /node_modules/,
      },
    ],
  },
  resolve: {
    extensions: [".tsx", ".ts", ".js"],
  },
  output: {
    filename: "app.js",
    path: path.resolve(__dirname, "dist"),
  },
  plugins: [
    new CopyPlugin({
      patterns: [{ from: "./extension", to: "" }],
    }),
  ],
};