CanDeactivate
interface
Interface that a class can implement to be a guard deciding if a route can be deactivated.
If all guards return true, navigation continues. If any guard returns false,
navigation is cancelled. If any guard returns a UrlTree, current navigation
is cancelled and a new navigation begins to the UrlTree returned from the guard.
API
Description
interface CanDeactivate { canDeactivate(component: T, currentRoute: ActivatedRouteSnapshot, currentState: RouterStateSnapshot, nextState: RouterStateSnapshot): MaybeAsync<GuardResult>;}}
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