webpack.config.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");

module.exports = {
  entry: "./src/index.ts",
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "[name].[contenthash].js",
    clean: true,
  },
  mode: "development",
  devtool: "inline-source-map",
  devServer: {
    static: "./dist",
    port: 3000,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "./public/index.html",
      favicon: "./src/assets/favicon.svg",
    }),
    new MiniCssExtractPlugin({
      filename: "[name].[contenthash].css",
    }),
  ],
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: [MiniCssExtractPlugin.loader, "css-loader", "postcss-loader"],
      },
      {
        test: /\.ts?$/,
        use: "ts-loader",
        exclude: /node_modules/,
      },
    ],
  },
  resolve: {
    extensions: [".ts", ".js"],
  },
  optimization: {
    minimizer: [`...`, new CssMinimizerPlugin()],
    moduleIds: "deterministic",
    runtimeChunk: "single",
    splitChunks: {
      cacheGroups: {
        vendor: {
          test: /[\\/]node_modules[\\/]/,
          name: "vendors",
          chunks: "all",
        },
      },
    },
  },
};