webpack.config.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const ImageMinimizerPlugin = require("image-minimizer-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
const CompressionPlugin = require("compression-webpack-plugin");
const TerserPlugin = require("terser-webpack-plugin");
const currentDate = new Date().toISOString().replace(/[:.]/g, "-");

module.exports = {
  mode: "production",
  entry: "./src/index.jsx",
  devServer: {
    static: "./dist",
    hot: true,
    port: 3000,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "./public/index.html",
      filename: "index.html",
      favicon: "./public/favicon.ico",
    }),
    new MiniCssExtractPlugin(),
    new CompressionPlugin({
      filename: "[name].[contenthash]." + currentDate + ".gz",
      algorithm: "gzip",
      test: /\.(js|css|html|svg)$/,
      threshold: 10240,
      minRatio: 0.8,
    }),
  ],
  output: {
    filename: "[name].bundle.js",
    path: path.resolve(__dirname, "dist"),
    clean: true,
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ["@babel/preset-env", "@babel/preset-react"],
          },
        },
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, "css-loader", "postcss-loader"],
      },
      {
        test: /\.(svg|)$/i,
        type: "asset",
        use: [
          {
            loader: "file-loader",
          },
        ],
      },
    ],
  },
  resolve: {
    extensions: [".js", ".jsx"],
  },
  optimization: {
    splitChunks: {
      chunks: "all",
    },
    minimizer: [
      "...",
      new TerserPlugin({
        terserOptions: {
          compress: {
            drop_console: true,
          },
        },
      }),
      new ImageMinimizerPlugin({
        test: /\.(png|jpe?g|gif|svg)$/i,
        minimizer: {
          implementation: ImageMinimizerPlugin.imageminMinify,
        },
      }),
      new CssMinimizerPlugin(),
    ],
  },
};