2016-06-16 13:24:49 -07:00

14 lines
455 B
TypeScript

// #docregion
import { CanDeactivate } from '@angular/router';
import { Observable } from 'rxjs/Observable';
export interface CanComponentDeactivate {
canDeactivate: () => boolean | Observable<boolean>;
}
export class CanDeactivateGuard implements CanDeactivate<CanComponentDeactivate> {
canDeactivate(component: CanComponentDeactivate): Observable<boolean> | boolean {
return component.canDeactivate ? component.canDeactivate() : true;
}
}