server.ts

import 'zone.js/dist/zone-node';

import * as express from 'express';
import * as compression from 'compression';
import * as cors from 'cors';
import * as bodyParser from 'body-parser';
import { join } from 'path';

// Express server
export const app = express();
const PORT = process.env.PORT || 4000;


app.use(compression());
app.use(cors());
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));

const DIST_FOLDER = join(process.cwd(), 'dist/browser');

// * NOTE :: leave this as require() since this file is built Dynamically from webpack
const {
  AppServerModuleNgFactory,
  LAZY_MODULE_MAP,
  ngExpressEngine,
  provideModuleMap,
} = require('./dist/server/main');

// Our Universal express-engine (found @ https://github.com/angular/universal/tree/master/modules/express-engine)
app.engine('html', (_, options, callback) => {
  const engine = ngExpressEngine({
    bootstrap: AppServerModuleNgFactory,
    providers: [
      provideModuleMap(LAZY_MODULE_MAP),
    ],
  });

  engine(_, options, callback);
});

app.set('view engine', 'html');
app.set('views', DIST_FOLDER);
app.get(
  '*.*',
  express.static(DIST_FOLDER, {
    maxAge: '1y',
  }),
);

app.get('*', (req, res) => {
    res.render('index', { req });
});