| 10 | |
| 11 | // The Express app is exported so that it can be used by serverless Functions. |
| 12 | export function app(): express.Express { |
| 13 | const server = express(); |
| 14 | const distFolder = join(process.cwd(), 'dist/angular/browser'); |
| 15 | const indexHtml = existsSync(join(distFolder, 'index.original.html')) ? 'index.original.html' : 'index'; |
| 16 | |
| 17 | // Our Universal express-engine (found @ https://github.com/angular/universal/tree/main/modules/express-engine) |
| 18 | server.engine('html', ngExpressEngine({ |
| 19 | bootstrap: AppServerModule, |
| 20 | inlineCriticalCss: false |
| 21 | })); |
| 22 | |
| 23 | server.set('view engine', 'html'); |
| 24 | server.set('views', distFolder); |
| 25 | |
| 26 | // Example Express Rest API endpoints |
| 27 | // server.get('/api/**', (req, res) => { }); |
| 28 | // Serve static files from /browser |
| 29 | server.get('*.*', express.static(distFolder, { |
| 30 | maxAge: '1y' |
| 31 | })); |
| 32 | |
| 33 | // All regular routes use the Universal engine |
| 34 | server.get('*', (req, res) => { |
| 35 | res.render(indexHtml, { req, providers: [{ provide: APP_BASE_HREF, useValue: req.baseUrl }] }); |
| 36 | }); |
| 37 | |
| 38 | return server; |
| 39 | } |
| 40 | |
| 41 | function run(): void { |
| 42 | const port = process.env['PORT'] || 4000; |