angular 2 route to 404 page when route param is invalid
Update
In the new Router V3 you can use guards as explained in https://angular.io/guide/router#canactivate-requiring-authentication
Original
I think you should use @CanActivate() to do the check. If you forward in @CanActivate() the invalid URL shouldn't be added to the history (not tried)
See also https://github.com/angular/angular/issues/4112 for how to use DI in @CanActivate()
Ok, this is already implemented, just not well-documented.
According to the docs:router.navigateByUrl(url: string, _skipLocationChange?: boolean) : Promise<any>
Has a parameter _skipLocationChange that will not modify the history.
These will do the trick:
router.navigateByUrl('/404', true);router.navigateByInstruction(router.generate(['/404']), true);
As of Angular 2 final this is the solution:
this._router.navigateByUrl('/404', { skipLocationChange: true })