webpack.dev.js

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

const config = {
  entry: path.resolve(__dirname, "src/index.js"),
  output: {
    path: path.resolve(__dirname, "experiment"),
    filename: "index.js",
    clean: true,
  },
  devtool: "source-map",
  devServer: {
    static: path.resolve(__dirname),
    hot: true,
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, "public/index.html"),
      filename: path.resolve(__dirname, "experiment/index.html"),
    }),
    new MiniCssExtractPlugin({
      filename: "./index.css",
    }),
  ],
  module: {
    rules: [
      {
        test: /\.css$/i,
        use: [MiniCssExtractPlugin.loader, "css-loader"],
      },
      {
        test: /\.jsx?$/i,
        use: [
          {
            loader: "babel-loader",
            options: {
              presets: ["@babel/preset-env", "@babel/preset-react"],
            },
          },
        ],
      },
      {
        test: /\.(png|jpg|jpeg|gif)$/i,
        type: "asset",
        generator: {
          filename: "assets/[hash][ext][query]",
        },
      },
    ],
  },
  resolve: {
    alias: {
      "@components": path.resolve(__dirname, "src/components"),
    },
  },
  optimization: {
    minimizer: [`...`, new CssMinimizerWebpackPlugin()],
  },
};

module.exports = config;