Angular Route Guards

Version: Angular 21 (2025) Tags: Guards, Routing, Auth, CanActivate

References: Guards Guide • CanActivate

API Changes

This section documents recent version-specific API changes.

• NEW: Functional guards — Use CanActivateFn instead of class-based

• NEW: CanMatch guard — Prevent lazy loading of unauthorized code

• NEW: provideRouter with guards — Modern guard registration

• DEPRECATED: Class-based guards — Migrate to functional