D-Net

// the polyfills must be one of the first things imported in node.js.

// The only modules to be imported higher - node modules with es6-promise 3.x or other Promise polyfill dependency

// (rule of thumb: do it if you have zone.js exception that it has been overwritten)

// if you are including modules that modify Promise, such as NewRelic,, you must include them before polyfills

import 'angular2-universal-polyfills';

import 'ts-helpers';

import './__workaround.node'; // temporary until 2.1.1 things are patched in Core

import * as fs from 'fs';

import * as path from 'path';

import * as express from 'express';

import * as bodyParser from 'body-parser';

import * as cookieParser from 'cookie-parser';

import * as morgan from 'morgan';

import * as compression from 'compression';

// Angular 2

import { enableProdMode } from '@angular/core';

// Angular 2 Universal

import { createEngine } from 'angular2-express-engine';

// App

import { MainModuleNgFactory } from './node.module.ngfactory';

// Routes

import { routes } from './server.routes';

// enable prod for faster renders

enableProdMode();

const app = express();

const ROOT = path.join(path.resolve(__dirname, '..'));

// Express View

app.engine('.html', createEngine({

  precompile: false, // this needs to be false when using ngFactory

  ngModule: MainModuleNgFactory,

  providers: [

    // use only if you have shared state between users

    // { provide: 'LRU', useFactory: () => new LRU(10) }

    // stateless providers only since it's shared

  ]

}));

app.set('port', process.env.PORT || 3000);

app.set('views', __dirname);

app.set('view engine', 'html');

app.set('json spaces', 2);

app.use(cookieParser('Angular 2 Universal'));

app.use(bodyParser.json());

app.use(compression());

const accessLogStream = fs.createWriteStream(ROOT + '/morgan.log', {flags: 'a'})

app.use(morgan('common', {

  skip: (req, res) => res.statusCode < 400,

  stream: accessLogStream

}));

function cacheControl(req, res, next) {

  // instruct browser to revalidate in 60 seconds

  res.header('Cache-Control', 'max-age=60');

  next();

}

// Serve static files

app.use('/assets', cacheControl, express.static(path.join(__dirname, 'assets'), {maxAge: 30}));

app.use(cacheControl, express.static(path.join(ROOT, 'dist/client'), {index: false}));

//

/////////////////////////

// ** Example API

// Notice API should be in aseparate process

import { serverApi, createTodoApi } from './backend/api';

// Our API for demos only

app.get('/data.json', serverApi);

app.use('/api', createTodoApi());

process.on('uncaughtException', function (err) { 

  console.error('Catching uncaught errors to avoid process crash', err);

});

function ngApp(req, res) {

  function onHandleError(parentZoneDelegate, currentZone, targetZone, error)  {

    console.warn('Error in SSR, serving for direct CSR');

    res.sendFile('index.html', {root: './src'});

    return false;

  }

  Zone.current.fork({ name: 'CSR fallback', onHandleError }).run(() => {

    res.render('index', {

      req,

      res,

      // time: true, // use this to determine what part of your app is slow only in development

      preboot: false,

      baseUrl: '/',

      requestUrl: req.originalUrl,

      originUrl: `http://localhost:${ app.get('port') }`

    });

  });

}

/**

 * use universal for specific routes

 */

app.get('/', ngApp);

routes.forEach(route => {

  app.get(`/${route}`, ngApp);

  app.get(`/${route}/*`, ngApp);

});

app.get('*', function(req, res) {

  res.setHeader('Content-Type', 'application/json');

  var pojo = { status: 404, message: 'No Content' };

  var json = JSON.stringify(pojo, null, 2);

  res.status(404).send(json);

});

// Server

let server = app.listen(app.get('port'), () => {

  console.log(`Listening on: http://localhost:${server.address().port}`);

});