groupfolders/webpack.prod.config.js

'use strict';

const path = require("path");
const CleanPlugin = require('clean-webpack-plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

module.exports = {
	devtool: 'source-map',
	mode: 'production',
	entry: {
		app: [
			`babel-polyfill`,
			`whatwg-fetch`,
			'./js/index.tsx'
		],
	},
	output: {
		path: path.join(__dirname, "build"),
		filename: "bundle.js",
		libraryTarget: 'umd',
		publicPath: '/'
	},
	resolve: {
		extensions: ['.js', '.jsx', '.ts', '.tsx'],
	},
	plugins: [
		new CleanPlugin(['build']),
		new MiniCssExtractPlugin({
			filename: 'bundle.css',
			allChunks: true
		})
	],
	module: {
		rules: [
			{
				test: /\.tsx?$/,
				use: [
					{
						loader: 'babel-loader',
						options: {
							babelrc: false,
							plugins: ['react-hot-loader/babel'],
						},
					},
					'ts-loader'
				]
			},
			{
				test: /.*\.(gif|png|jpe?g|svg|webp)(\?.+)?$/i,
				use: [
					'url-loader?limit=5000&hash=sha512&digest=hex&name=[hash].[ext]'
				]
			},
			{
				test: /\.css$/,
				use: [
					MiniCssExtractPlugin.loader,
					'css-loader',
					'postcss-loader'
				]
			}
		]
	}
};