webpack.config.prod.js

/* eslint-disable @typescript-eslint/no-var-requires */
const path = require('path');
const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const CopyPlugin = require('copy-webpack-plugin');
const Dotenv = require('dotenv-webpack');

export default {
	mode: 'production',
	devtool: 'source-map',
	entry: {
		main: path.resolve(__dirname, 'src/index'),
	},
	output: {
		path: path.resolve(__dirname, 'dist'),
		publicPath: '/',
		filename: '[name].[chunkhash].js',
	},
	plugins: [
		// Generate an external css file with a hash in the filename
		new MiniCssExtractPlugin({
			filename: '[name].[chunkhash].css',
		}),

		// Create HTML file that includes reference to bundled JS.
		new HtmlWebpackPlugin({
			template: 'src/index.html',
			// Properties you define here are available in index.html
			// using htmlWebpackPlugin.options.varName
			trackJSToken: 'INSERT YOUR TOKEN HERE',
			minify: {
				// see https://github.com/kangax/html-minifier#options-quick-reference
				removeComments: true,
				collapseWhitespace: true,
				removeRedundantAttributes: true,
				useShortDoctype: true,
				removeEmptyAttributes: true,
				removeStyleLinkTypeAttributes: true,
				keepClosingSlash: true,
				minifyJS: true,
				minifyCSS: true,
				minifyURLs: true,
			},
		}),

		new CopyPlugin({
			patterns: [{ from: 'src/img', to: 'images' }],
		}),

		new ForkTsCheckerWebpackPlugin({
			typescript: {
				diagnosticOptions: {
					semantic: true,
					syntactic: true,
				},
			},
		}),
		new Dotenv(),
	],
	module: {
		rules: [
			{
				test: /\.tsx?$/,
				use: 'ts-loader',
				exclude: /node_modules/,
			},
			{
				test: /\.js$/,
				exclude: /node_modules/,
				use: {
					loader: 'babel-loader',
					options: {
						presets: ['@babel/preset-env'],
					},
				},
			},
			{
				test: /\.css$/,
				use: [MiniCssExtractPlugin.loader, 'css-loader', 'postcss-loader'],
			},
		],
	},
	resolve: {
		extensions: ['.tsx', '.ts', '.js', '.jsx'],
	},
};