webpack.server.config.js

const path = require('path');
const webpack = require('webpack');

module.exports = {
    entry: { server: './server.ts' },
    resolve: { extensions: ['.js', '.ts'] },
    target: 'node',
    mode: 'none',
    // this makes sure we include node_modules and other 3rd party libraries
    externals: [/node_modules/],
    output: {
        path: path.join(__dirname, 'dist'),
        filename: '[name].js'
    },
    module: {
        rules: [{ test: /\.ts$/, loader: 'ts-loader' }]
    },
    plugins: [
        // Temporary Fix for issue: https://github.com/angular/angular/issues/11580
        // for 'WARNING Critical dependency: the request of a dependency is an expression'
        new webpack.ContextReplacementPlugin(
            /(.+)?angular(\\|\/)core(.+)?/,
            path.join(__dirname, 'src'), // location of your src
            {} // a map of your routes
        ),
        new webpack.ContextReplacementPlugin(
            /(.+)?express(\\|\/)(.+)?/,
            path.join(__dirname, 'src'),
            {}
        )
    ]
};