webpack.production.js

const webpack = require("webpack");
const path = require("path");
const fs = require("fs");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const TerserPlugin = require("terser-webpack-plugin");
const CssMinimizerPlugin = require("css-minimizer-webpack-plugin");
const ESLintPlugin = require("eslint-webpack-plugin");
const pkg = JSON.parse(fs.readFileSync(path.join(__dirname, "package.json"), "utf-8"));

module.exports = (env) => {
	return {
		mode: env.mode,
		module: {
			rules: [
				{
					test: /\.(ts|tsx)$/,
					exclude: /(node_modules|bower_components)/,
					use: {
						loader: "swc-loader",
						options: {
							jsc: {
								parser: {
									syntax: "typescript",
								},
							},
						},
					},
				},
			],
		},
		output: {
			filename: "game.[contenthash].js",
		},
		optimization: {
			minimize: true,
			minimizer: [
				`...`,
				new TerserPlugin({
					minify: TerserPlugin.swcMinify,
					terserOptions: {},
				}),

				new CssMinimizerPlugin(),
			],
		},

		plugins: [
			new MiniCssExtractPlugin({
				filename: "[name].[contenthash].css",
			}),

			new webpack.DefinePlugin({
				VERSION: JSON.stringify(pkg.version + "r"),
			}),

			new ESLintPlugin({
				emitError: true,
				emitWarning: true,
				failOnError: true,
				failOnWarning: true,
			}),

			new webpack.ProgressPlugin(),
		],
	};
};