webpack.config.js

import { dirname, resolve } from "path";
import CopyPlugin from "copy-webpack-plugin";
import HtmlPlugin from "html-webpack-plugin";
import { fileURLToPath } from "url";

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

export default {
  entry: "./src/main.js",
  output: {
    filename: "bundle.[contenthash].js",
    path: resolve(__dirname, "build"),
    clean: true,
  },
  devtool: "source-map",
  plugins: [
    new HtmlPlugin({
      template: "public/index.html",
    }),
    new CopyPlugin({
      patterns: [
        {
          from: "public",
          globOptions: {
            ignore: ["**/index.html"],
          },
        },
      ],
    }),
  ],
  resolve: {
    extensions: [".ts", ".js"],
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /(node_modules)/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ["@babel/preset-env"],
          },
        },
      },
      {
        test: /\.css$/i,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /\.ts$/,
        exclude: /node_modules/,
        use: "ts-loader",
      },
    ],
  },
};