webpack.config.js

const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const MiniCssEstractPlugin = require('mini-css-extract-plugin')
const CssMinimizerPlugin = require('mini-css-extract-plugin')
const TerserPlugin = require('terser-webpack-plugin')
const { CleanWebpackPlugin } = require('clean-webpack-plugin')


module.exports = {
    entry: './src/index.js',
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: "bundle.js"
    },
    resolve: {
        extensions: ['.js', '.jsx']
    },
    module: {
        rules: [
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                use: {
                    loader: "babel-loader"
                },
            },
            {
                test: /\.(html)$/,
                use: [
                    {loader: "html-loader"}
                ],
            },
            {
                test: /\.s?[ac]ss$/,
                use: [
                    MiniCssEstractPlugin.loader,
                    'css-loader',
                    'sass-loader',
                ],
            },
            {
                test: /\.styl$/,
                use: [
                    {
                        loader: "style-loader", // creates style nodes from JS strings
                    },
                    {
                        loader: "css-loader", // translates CSS into CommonJS
                    },
                    {
                        loader: "stylus-loader", // compiles Stylus to CSS
                    },
                ],
            },
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: "./public/index.html",
            filename: "index.html",
        }),
        new MiniCssEstractPlugin({
            filename: '[name].css'
        }),
        new CleanWebpackPlugin(),
    ],
    optimization: {
        minimize: true,
        minimizer: [
            new CssMinimizerPlugin(),
            new TerserPlugin()
        ]
    }
}