type-alias
The signature of a function used as a canDeactivate guard on a Route.
type CanDeactivateFn<T> = (component: T, currentRoute: ActivatedRouteSnapshot, currentState: RouterStateSnapshot, nextState?: RouterStateSnapshot) => Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree;
© 2010–2022 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://angular.io/api/router/CanDeactivateFn