monitor/server.ts

74 lines
2.4 KiB
TypeScript

import 'zone.js/node';
import {APP_BASE_HREF} from '@angular/common';
import {CommonEngine} from '@angular/ssr';
import * as express from 'express';
import {existsSync} from 'node:fs';
import {join} from 'node:path';
import {AppServerModule} from './src/app/app.server.module';
import {REQUEST, RESPONSE} from "./src/app/openaireLibrary/utils/tokens";
// The Express app is exported so that it can be used by serverless Functions.
export function app(): express.Express {
const server = express();
const distFolder = join(process.cwd(), 'dist/monitor/browser');
const indexHtml = existsSync(join(distFolder, 'index.original.html'))
? join(distFolder, 'index.original.html')
: join(distFolder, 'index.html');
const commonEngine = new CommonEngine();
server.set('view engine', 'html');
server.set('views', distFolder);
// 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 Angular engine
server.get('*', (req, res, next) => {
const {protocol, originalUrl, baseUrl, headers} = req;
commonEngine
.render({
inlineCriticalCss: false,
bootstrap: AppServerModule,
documentFilePath: indexHtml,
url: `${protocol}://${headers.host}${originalUrl}`,
publicPath: distFolder,
providers: [
{provide: APP_BASE_HREF, useValue: baseUrl},
{provide: REQUEST, useValue: (req)},
{provide: RESPONSE, useValue: (res)}
]
})
.then((html) => res.status(200).send(html))
.catch((err) => res.status(500).send('Error during SSR'))
});
return server;
}
function run(): void {
const port = process.env['PORT'] || 4000;
// Start up the Node server
const server = app();
server.listen(port, () => {
console.log(`Node Express server listening on http://localhost:${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 (moduleFilename === __filename || moduleFilename.includes('iisnode')) {
run();
}