angular-ssr
Server-side rendering, hydration, and prerendering for Angular v20+ applications.
- Three render modes:
Prerenderfor static build-time HTML,Serverfor dynamic per-request SSR, andClientfor SPA-only routes - Incremental hydration with
@deferblocks supporting viewport, interaction, idle, and conditional triggers; event replay captures user input before hydration completes - Platform detection utilities and
afterNextRender/afterRenderhooks safely isolate browser-only code from server execution - Dynamic prerendering via
getPrerenderParams()for parameterized routes; automatic HTTP response transfer between server and client viaTransferState
Angular SSR
Implement server-side rendering, hydration, and prerendering in Angular v20+.
Setup
Add SSR to Existing Project
ng add @angular/ssr
This adds:
@angular/ssrpackageserver.ts- Express serversrc/main.server.ts- Server bootstrapsrc/app/app.config.server.ts- Server providers- Updates
angular.jsonwith SSR configuration
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