webpack.config.js

const path = require('path');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const HtmlWebpackIncludeAssetsPlugin = require('html-webpack-include-assets-plugin');
module.exports = {

	entry: './src/index.tsx',
	output: {
		filename: 'bundle.[hash].js',
		path: path.resolve(__dirname, 'docs'),
	},

	// Enable sourcemaps for debugging webpack's output.
	devtool: 'cheap-module-source-map',

	resolve: {
		// Add '.ts' and '.tsx' as resolvable extensions.
		extensions: ['.ts', '.tsx', '.js', '.json'],
		// Add node_modules and project directory for absolute paths
		modules: [
			path.resolve(__dirname),
			'node_modules',
		],
	},

	module: {
		rules: [
			// All files with a '.ts' or '.tsx' extension will be handled by 'awesome-typescript-loader'.
			{ test: /\.tsx?$/, loader: 'awesome-typescript-loader' },

			// All output '.js' files will have any sourcemaps re-processed by 'source-map-loader'.
			{ enforce: 'pre', test: /\.js$/, loader: 'source-map-loader' },
		],
	},

	plugins: [
		new CopyWebpackPlugin([
			{ from: 'src/static/', to: '' },
			{ from: 'node_modules/react/dist/react.min.js', to: '' },
			{ from: 'node_modules/react-dom/dist/react-dom.min.js', to: '' },
		]),
		new HtmlWebpackPlugin({
			filename: 'index.html',
			template: 'src/index.html',
		}),
		new HtmlWebpackIncludeAssetsPlugin({
			assets: ['style.css'],
			append: false, // prepend
			// hash: true, // cache busting // doesn't work with gh-pages ???
		}),
		new HtmlWebpackIncludeAssetsPlugin({
			assets: ['react.min.js', 'react-dom.min.js'],
			append: false, // prepend
		}),
	],

	// When importing a module whose path matches one of the following, just
	// assume a corresponding global variable exists and use that instead.
	// This is important because it allows us to avoid bundling all of our
	// dependencies, which allows browsers to cache those libraries between builds.
	externals: {
		'react': 'React',
		'react-dom': 'ReactDOM'
	},

};