webpack.config.js

const path = require("path");
const webpack = require("webpack");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const ImageMinimizerPlugin = require("image-minimizer-webpack-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");

module.exports = {
  entry: "./src/index.js",
  mode: "development",
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /(node_modules|bower_components)/,
        loader: "babel-loader",
        options: { presets: ["@babel/env"] },
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif)$/i,
        loader: "file-loader",
        options: {
          outputPath: "images",
        },
      },
      {
        test: /\.(scss)$/,
        use: ["style-loader", "css-loader", "sass-loader"],
      },
    ],
  },
  resolve: { extensions: ["*", ".js", ".jsx"] },
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "bundle.js",
  },
  devServer: {
    contentBase: path.join(__dirname, "dist"),
    compress: true,
    port: 8080,
    hotOnly: true,
  },
  plugins: [
    new CleanWebpackPlugin(),
    new webpack.HotModuleReplacementPlugin(),
    new ImageMinimizerPlugin({
      minimizerOptions: {
        plugins: [
          ["mozjpeg", { quality: 15 }],
          ["pngquant", { quality: [0.7, 0.9]}],
        ],
      },
    }),
    new HtmlWebpackPlugin({
      template: "public/index.html",
      favicon: "public/favicon.png",
    }),
  ],
};