Есть компонент страницы 404. Задача в том чтобы страница отдавала статус 404. Порывшись в интернете я сделал такой компонент.
import { isPlatformServer } from '@angular/common';
import {
APP_ID,
ChangeDetectionStrategy,
Component,
Inject,
OnInit,
Optional,
PLATFORM_ID,
} from '@angular/core';
import { RESPONSE } from '@nguniversal/express-engine/tokens';
import { IPageNotFound } from '../../layout/interfaces/IPageNotFound';
import { IPartialResponse } from '../../layout/interfaces/IPartialResponse';
import { links } from './db/page-not-found.db';
@Component({
selector: 'noda-page-not-found',
templateUrl: './page-not-found.component.html',
styleUrls: ['./page-not-found.component.scss'],
changeDetection: ChangeDetectionStrategy.OnPush,
})
export class PageNotFoundComponent implements OnInit {
public listLinks: Array<IPageNotFound> = links;
constructor(
@Inject(PLATFORM_ID) private platformId: Object,
@Inject(APP_ID) private appId: string,
@Optional() @Inject(RESPONSE) private response: IPartialResponse,
) {}
public ngOnInit(): void {
console.log('response', this.response);
if (isPlatformServer(this.platformId) && this.response) {
this.response.status(404);
}
}
public trackByLink(_: number, item: IPageNotFound): string {
return item.link;
}
}
Однако в this.response попадает null. Буду благодарен если подскажите в чем дело. И еще нужно ли после этого снова возвращать статус 200 если я буду переходит по роуту на действующую страницу.
Ниже представлен код файла server.ts
import 'zone.js/node';
import { APP_BASE_HREF } from '@angular/common';
import { ngExpressEngine } from '@nguniversal/express-engine';
import * as express from 'express';
import { existsSync } from 'fs';
import { join } from 'path';
import { AppServerModule } from './src/main.server';
// 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/noda-origin/');
const indexHtml = existsSync(join(distFolder, 'index.original.html'))
? 'index.original.html'
: 'index';
// Our Universal express-engine (found @ https://github.com/angular/universal/tree/main/modules/express-engine)
server.engine(
'html',
ngExpressEngine({
bootstrap: AppServerModule,
}),
);
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 Universal engine
server.get('*', (req, res) => {
res.render(indexHtml, {
req,
providers: [{ provide: APP_BASE_HREF, useValue: req.baseUrl }],
});
});
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();
}
export * from './src/main.server';