Recently, I updated an Angular project from version 16 to version 17. Today, I decided to add SSR to the project. The project is running with no problems when served using npm run dev:ssr, and the HTML is being rendered on the server side, but no logic written in TypeScript is being executed on server at all, and I need some things to be executed on server.
For example, this is the constructor of my AppComponent:
constructor(
Blockquote
private _router: Router,
@Inject(PLATFORM_ID) private platformId: Object) {
console.log(isPlatformServer(this.platformId) ? 'Server' : 'Client');
}
And it is always being executed in browser for some reason, but I need to write some code that's gonna be executed on server first. I think my project might be improperly configured, but I'm not sure where to find the solution.
Further info about the project:
It contains 4 Lazy Loaded modules (if this is relevant);
Here's my AppServerModule code:
import { NgModule } from '@angular/core'; import { ServerModule } from '@angular/platform-server';
import { AppModule } from './app.module'; import { AppComponent } from './app.component'; import { FlexLayoutServerModule } from '@ngbracket/ngx-layout/server'; @NgModule({ imports: [ AppModule, ServerModule, FlexLayoutServerModule, ], bootstrap: [AppComponent], }) export class AppServerModule {}Here's my server.ts:
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/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/KempaWebApp/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({
bootstrap: AppServerModule,
documentFilePath: indexHtml,
url: `${protocol}://${headers.host}${originalUrl}`,
publicPath: distFolder,
providers: [{ provide: APP_BASE_HREF, useValue: baseUrl }],
})
.then((html) => res.send(html))
.catch((err) => next(err));
});
return server;
}
function run(): void {
const port = process.env['PORT'] || 4000;
// Start up the Node server
const server = app();
server.listen(port, () => {
console.log(`Node Express server listening on http://localhost:${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 default AppServerModule;
- This is what I have in main.server.ts:
export { AppServerModule as default } from './app/app.module.server';
If there's any other relevant info I can provide, please, ask me in the comment.
UPDATE: Here's my angular.json:
{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 1,
"newProjectRoot": "projects",
"projects": {
"AuroraWebApp": {
"projectType": "application",
"schematics": {
"@schematics/angular:component": {
"style": "scss"
},
"@schematics/angular:application": {
"strict": false
}
},
"root": "",
"sourceRoot": "src",
"prefix": "app",
"architect": {
"build": {
"builder": "@angular-devkit/build-angular:browser",
"options": {
"outputPath": "dist/AuroraWebApp/browser",
"index": "src/index.html",
"main": "src/main.ts",
"polyfills": [
"zone.js"
],
"tsConfig": "tsconfig.app.json",
"inlineStyleLanguage": "scss",
"assets": [
"src/favicon.ico",
"src/assets",
"src/robots.txt",
"src/sitemap.xml"
],
"styles": [
"src/styles.scss"
],
"scripts": []
},
"configurations": {
"production": {
"budgets": [
{
"type": "initial",
"maximumWarning": "500kb",
"maximumError": "2mb"
},
{
"type": "anyComponentStyle",
"maximumWarning": "2kb",
"maximumError": "10kb"
}
],
"index": {
"input": "src/index.prod.html",
"output": "index.html"
},
"fileReplacements": [
{
"replace": "src/environments/environment.ts",
"with": "src/environments/environment.prod.ts"
}
],
"outputHashing": "all"
},
"staging": {
"budgets": [
{
"type": "initial",
"maximumWarning": "500kb",
"maximumError": "2mb"
},
{
"type": "anyComponentStyle",
"maximumWarning": "2kb",
"maximumError": "10kb"
}
],
"fileReplacements": [
{
"replace": "src/environments/environment.ts",
"with": "src/environments/environment.staging.ts"
}
],
"outputHashing": "all"
},
"development": {
"buildOptimizer": false,
"optimization": false,
"vendorChunk": true,
"extractLicenses": false,
"sourceMap": true,
"namedChunks": true
}
},
"defaultConfiguration": "production"
},
"serve": {
"builder": "@angular-devkit/build-angular:dev-server",
"configurations": {
"production": {
"buildTarget": "AuroraWebApp:build:production"
},
"development": {
"buildTarget": "AuroraWebApp:build:development"
}
},
"defaultConfiguration": "development"
},
"extract-i18n": {
"builder": "@angular-devkit/build-angular:extract-i18n",
"options": {
"buildTarget": "AuroraWebApp:build"
}
},
"test": {
"builder": "@angular-devkit/build-angular:karma",
"options": {
"polyfills": [
"zone.js",
"zone.js/testing"
],
"tsConfig": "tsconfig.spec.json",
"inlineStyleLanguage": "scss",
"assets": [
"src/favicon.ico",
"src/assets",
"src/robots.txt",
"src/sitemap.xml"
],
"styles": [
"src/styles.scss"
],
"scripts": []
}
},
"server": {
"builder": "@angular-devkit/build-angular:server",
"options": {
"outputPath": "dist/AuroraWebApp/server",
"main": "server.ts",
"tsConfig": "tsconfig.server.json",
"inlineStyleLanguage": "scss"
},
"configurations": {
"production": {
"outputHashing": "media",
"fileReplacements": [
{
"replace": "src/environments/environment.ts",
"with": "src/environments/environment.prod.ts"
}
]
},
"staging": {
"outputHashing": "media",
"fileReplacements": [
{
"replace": "src/environments/environment.ts",
"with": "src/environments/environment.staging.ts"
}
]
},
"development": {
"buildOptimizer": false,
"optimization": false,
"sourceMap": true,
"extractLicenses": false,
"vendorChunk": true
}
},
"defaultConfiguration": "production"
},
"serve-ssr": {
"builder": "@angular-devkit/build-angular:ssr-dev-server",
"configurations": {
"development": {
"browserTarget": "AuroraWebApp:build:development",
"serverTarget": "AuroraWebApp:server:development"
},
"production": {
"browserTarget": "AuroraWebApp:build:production",
"serverTarget": "AuroraWebApp:server:production"
}
},
"defaultConfiguration": "development"
},
"prerender": {
"builder": "@angular-devkit/build-angular:prerender",
"options": {
"routes": [
"/"
]
},
"configurations": {
"production": {
"browserTarget": "AuroraWebApp:build:production",
"serverTarget": "AuroraWebApp:server:production"
},
"development": {
"browserTarget": "AuroraWebApp:build:development",
"serverTarget": "AuroraWebApp:server:development"
}
},
"defaultConfiguration": "production"
}
}
}
},
"cli": {
"cache": {
"enabled": false
},
"analytics": false
}
}