webpack.prod.js

const HtmlWebpcak           = require('html-webpack-plugin');
const { loader }            = require('mini-css-extract-plugin');
const MiniCssExtractPlugin  = require("mini-css-extract-plugin");
const CopyPlugin            = require("copy-webpack-plugin");

const CssMinimizer          = require('css-minimizer-webpack-plugin');
const Terser                = require('terser-webpack-plugin');
const { Template }          = require('webpack')

module.exports = {
    mode: 'production',

    output:{
        clean: true,
        filename: 'main.[contenthash].js',
    },

    module:{
        rules: [
            {
                test: /\.html$/,
                loader: 'html-loader',
                options: {
                    sources: false
                }
            },
            {
                test: /\.css$/,
                exclude: /styles.css$/,
                use: ["style-loader", "css-loader"],
            },
            {
                test: /styles.css$/,
                use: [MiniCssExtractPlugin.loader, 'css-loader'],
            },
            {
                test: /\.(png|jpe?g|gif)$/,
                use: [ 
                        {
                            loader: 'file-loader'
                        },
                     ],
            },
            {
                test: /\.m?js$/,
                exclude: /node_modules/,
                use: {
                  loader: "babel-loader",
                  options: {
                    presets: ['@babel/preset-env']
                  }
                }
              },
        ]
    },

    optimization:{
        minimize: true,
        minimizer:[
            new CssMinimizer(),
            new Terser(),
        ],
    },

    plugins: [
        new HtmlWebpcak({
            title: 'mi Webpack App',
            filename: 'index.html',
            template: './src/index.html'
        }),
        new MiniCssExtractPlugin({
            filename: '[name].[fullhash].css',
            ignoreOrder: false,
        }),
        new CopyPlugin({
            patterns: [
                {from: "src/asset", to: "asset"},
            ],
        }),
    ],
    
}