server.app.ts

// tslint:disable:no-require-imports
import 'reflect-metadata'
import 'zone.js/dist/zone-node'
import 'zone.js/dist/long-stack-trace-zone'
import * as express from 'express'
import * as cookieParser from 'cookie-parser'
import { createLogger } from '@expo/bunyan'
import { ngExpressEngine } from '@nguniversal/express-engine'
import { AppServerModule } from './angular/server.angular.module'
import { argv } from 'yargs'
import { resolve } from 'path'
import { rollbarInit } from './add-ons/rollbar'
import { useApi } from './rest-api/index'
import ms = require('ms')

const shrinkRay = require('shrink-rayed')
const minifyHTML = require('express-minify-html')
const bunyanMiddleware = require('bunyan-middleware')
const xhr2 = require('xhr2')
const cors = require('cors')

// tslint:disable-next-line:no-object-mutation
xhr2.prototype._restrictedHeaders.cookie = false

require('ts-node/register')

const app = express()
rollbarInit(app)
const isProd = argv['build-type'] === 'prod' || argv['prod']
const isEndToEndTest = argv.e2e

const staticOptions = {
  index: false,
  maxAge: isProd ? ms('1y') : ms('0'),
  setHeaders: (res: express.Response, path: any) => {
    res.setHeader(
      'Expires',
      isProd
        ? new Date(Date.now() + ms('1y')).toUTCString()
        : new Date(Date.now() + ms('0')).toUTCString()
    )
  }
}

!isEndToEndTest &&
  app.use(
    bunyanMiddleware({
      logger: createLogger({
        name: 'Fusing-Angular',
        type: 'node-express'
      }),
      excludeHeaders: ['authorization', 'cookie']
    })
  )

const dir = resolve('dist')

app.engine('html', ngExpressEngine({ bootstrap: AppServerModule }))
app.set('ignore-routes', ['/api/'])
app.set('view engine', 'html')
app.set('views', dir)
app.use(cookieParser())
app.use(shrinkRay())
app.use(cors())
app.use(
  minifyHTML({
    override: true,
    exception_url: false,
    htmlMinifier: {
      removeComments: true,
      collapseWhitespace: true,
      collapseBooleanAttributes: true,
      removeAttributeQuotes: false,
      minifyJS: true
    }
  })
)

app.use('/css', express.static(`${dir}/css`, staticOptions))
app.use('/js', express.static(`${dir}/js`, staticOptions))
app.use('/ngsw.json', express.static(`${dir}/ngsw.json`, staticOptions))
app.use(
  '/ngsw-worker.js',
  express.static(`${dir}/ngsw-worker.js`, staticOptions)
)
app.use('/robots.txt', express.static(`${dir}/web/robots.txt`, staticOptions))
app.use('/ping.html', express.static(`${dir}/web/ping.html`, staticOptions))
app.use(
  '/favicon.ico',
  express.static(`${dir}/assets/favicons/favicon-16x16.png`, {
    ...staticOptions,
    fallthrough: false
  })
)
app.use(
  '/assets/favicons/favicon.ico',
  express.static(`${dir}/assets/favicons/favicon-16x16.png`, {
    ...staticOptions,
    fallthrough: false
  })
)
app.use(
  '/assets',
  express.static(`${dir}/assets`, { ...staticOptions, fallthrough: false })
)
app.use(
  '/manifest.json',
  express.static(`${dir}/assets`, { ...staticOptions, fallthrough: false })
)
app.get('/ad-server.js', (req, res) => res.send({}))

useApi(app)

app.set('ignore-routes', ['/api/', '/css/', '/js/', '/assets/'])
app.get(
  '**',
  (req: express.Request, res: express.Response, next: express.NextFunction) => {
    const bypassed = (req.app.get('ignore-routes') as ReadonlyArray<
      string
    >).some(a => req.url.includes(a))
    return bypassed
      ? next()
      : res.render('index', {
          req,
          res
        })
  }
)

export { app }