webpack.server.config.js

const root = require('app-root-path').path;
module.exports = {
    entry: `${root}/server/index.tsx`,
    target: 'node',
    node: {
        __filename: true,
        __dirname: true
    },
    externals: [
        /^[a-z\-0-9]+$/ // Ignore node_modules folder,
    ],
    output: {
        filename: 'compiled', // output file
        path: `${root}/build_server`,
        libraryTarget: "commonjs"
    },
    resolve: {
        modules: [`${root}/node_modules`],
        // Add in `.ts` and `.tsx` as a resolvable extension.
        extensions: ['.config.js', '.web.js', '.ts', '.tsx', '.js'],
    },
    module: {
        rules: [{
            // all files with a `.ts` or `.tsx` extension will be handled by `ts-loader`
            test: /\.(ts|tsx)$/,
            exclude: [/node_modules/],
            use: [
                {
                    loader: 'ts-loader'
                }
            ]
        }]
    }
};