webpack.prod.js

const common = require("./webpack.common.js");
let { merge } = require("webpack-merge");

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

module.exports = merge(common, {
  mode: "production",
  plugins: [
    new HtmlWebpackPlugin({
      template: "./index.html",
      title: "Lathyrus",
    }),
    new MiniCssExtractPlugin(),
  ],
  devtool: "source-map",
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: [
          MiniCssExtractPlugin.loader,
          // "style-loader",
          "css-loader",
          "postcss-loader",
        ],
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif|webp|woff2)$/i,
        type: "asset/resource",
      },
      {
        test: /\.(js|jsx)$/,
        include: path.resolve(__dirname, "./src"),
        exclude: [/node_modules/, /\.test\.js(x)?$/],
        use: [
          {
            loader: "babel-loader",
          },
        ],
      },
    ],
  },
  optimization: {
    minimizer: [
      "...",
      new CssMinimizerPlugin(),
      new ImageMinimizerPlugin({
        minimizer: {
          implementation: ImageMinimizerPlugin.svgoMinify,
          options: {
            encodeOptions: {
              // Pass over SVGs multiple times to ensure all optimizations are applied. False by default
              multipass: true,
              plugins: [
                // set of built-in plugins enabled by default
                // see: https://github.com/svg/svgo#default-preset
                "preset-default",
              ],
            },
          },
        },
      }),
    ],
  },
});