server.ts

/***************************************************************************************************
 * Load `$localize` onto the global scope - used if i18n tags appear in Angular templates.
 */
import { APP_BASE_HREF } from '@angular/common';
import { LOCALE_ID } from '@angular/core';
import '@angular/localize/init';
import { ngExpressEngine } from '@nguniversal/express-engine';
import * as express from 'express';
import { existsSync } from 'fs';
import { join } from 'path';
import 'zone.js/dist/zone-node';
import { environment } from './environments/environment';

// THIS FIX MOST OF THE COMMON ISSUES WITH SSR:
let browserPath = 'logtrip/browser';
const enDistFolder = join(process.cwd(), browserPath + '/en');

// Emulate browser APIs
const domino = require('domino');
const fs = require('fs');
const templateA = fs.readFileSync(join(enDistFolder, 'index.html')).toString();

const win = domino.createWindow(templateA);
console.log('win');
win.Object = Object;
console.log('Object');
win.Math = Math;
console.log('Math');

global['window'] = win;
global['document'] = win.document;
global['Event'] = win.Event;
global['navigator'] = win.navigator;
console.log('declared Global Vars....');

/** I need to avoid sorting this line */
import { AppServerModule } from './main.server';


export function app(lang: string) {
  const server = express();
  const distFolder = join(
    process.cwd(),
    `logtrip/browser/${lang}`
  );
  const indexHtml = existsSync(join(distFolder, 'index.original.html'))
    ? 'index.original.html'
    : 'index';

  // Our Universal express-engine (found @ https://github.com/angular/universal/tree/master/modules/express-engine)
  server.engine(
    'html',
    ngExpressEngine({
      bootstrap: AppServerModule,
      providers: [
        {provide: LOCALE_ID, useValue: lang}
      ]
    })
  );

  server.set('view engine', 'html');
  server.set('views', distFolder);

  // const apiProxy = proxy('/api', { target: 'http://localhost:3000' });
  // server.use('/api', apiProxy);

  // Example Express Rest API endpoints
  // server.get('/api/**', (req, res) => { });
  // Serve static files from /browser
  server.get(
    '*.*',
    express.static(distFolder, {
      maxAge: '1y',
    })
  );

  // All regular routes use the Universal engine
  server.get('*', (req, res) => {
    res.render(`${indexHtml}`, {
      req,
      providers: [{ provide: APP_BASE_HREF, useValue: `${req.baseUrl}` }],
    });
  });

  return server;
}



function run() {
  const port = process.env.PORT || 4200;
  // Start up the Node server
  const appEs = app('es');
  const appEn = app('en');
  const server = express();

  server.use('/en', appEn);
  server.use('/es', appEs);
  server.use('', appEs);

  server.listen(port, () => {
    console.log(`Node Express server listening on http://localhost:${port}`);
  });
}

// Webpack will replace 'require' with '__webpack_require__'
// '__non_webpack_require__' is a proxy to Node 'require'
// The below code is to ensure that the server is run only when not requiring the bundle.
declare const __non_webpack_require__: NodeRequire;
const mainModule = __non_webpack_require__.main;
const moduleFilename = mainModule && mainModule.filename || '';
if (!environment.production && moduleFilename === __filename || moduleFilename.includes('iisnode')) {
  // WILL BE EXECUTED ONLY IN NON PRODUCTION ENVIRONMENTS
  run();
}

export * from './main.server';