webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
const TerserPlugin = require("terser-webpack-plugin");

module.exports = {
    mode: 'development',
    entry: {
        bundle: path.resolve(__dirname, 'src/index.js'),
    },
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: '[name][contenthash].js',
        clean: true,
        assetModuleFilename: '[name][ext]'
    },
    devtool: 'source-map', // enable mapping between bundled code and source code, for debugging messages
    devServer: {
        static: {
            directory: path.resolve(__dirname, 'dist'),
        },
        port: 3000,
        open: true, // open the browser
        hot: true, // hot reload
        compress: true, // gz compression
        historyApiFallback: true
    },
    module: {
        rules: [
            {
                test: /\.(scss|css)$/, // any files ending with .scss
                use: [
                    'style-loader',
                    'css-loader',
                    'sass-loader'
                ]
            },
            {
                test: /\.js$/, // any file ending with .js
                exclude: /node_modules/, // except node modules of course
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['@babel/preset-env'],
                    }
                }
            },
            {
                test: /\.(png|svg|jpg|speg|gif)$/i, // case-insensitive matching
                type: 'asset/resource'
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            title: 'Quote Generator',
            filename: 'index.html',
            template: 'src/template.html'
        }),
        new BundleAnalyzerPlugin(),
    ],
    optimization: {
        minimize: true,
        minimizer: [new TerserPlugin()],
    },
}