What are Route Guards and when do you use them?

Quick Answer Route guards control navigation to/from routes. Types: CanActivate (can user navigate to this route?), CanDeactivate (can user leave this route - unsaved changes warning), CanLoad (can lazy-loaded module be loaded?), Resolve (pre-fetch data before route activates). Return true to allow, false to block, UrlTree to redirect. Guards are services implementing the guard interfaces.

Answer

Route guards control whether navigation to a route should be allowed or blocked.

Common guards include CanActivate, CanDeactivate, Resolve, CanLoad, and CanActivateChild. They are used for authentication, authorization, saving unsaved data, and preloading route data.

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What are Route Guards and when do you use them?

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