Function runCanActivate

packages/router/src/operators/check_guards.ts:149–172

(
  futureRSS: RouterStateSnapshot,
  futureARS: ActivatedRouteSnapshot,
)

}

function runCanActivate(
  futureRSS: RouterStateSnapshot,
  futureARS: ActivatedRouteSnapshot,
): Observable<GuardResult> {
  const canActivate = futureARS.routeConfig ? futureARS.routeConfig.canActivate : null;
  if (!canActivate || canActivate.length === 0) return of(true);

  const canActivateObservables = canActivate.map((canActivate) => {
    return defer(() => {
      const closestInjector = futureARS._environmentInjector;
      const guard = getTokenOrFunctionIdentity<CanActivate>(
        canActivate as ProviderToken<CanActivate>,
        closestInjector,
      );
      const guardVal = isCanActivate(guard)
        ? guard.canActivate(futureARS, futureRSS)
        : runInInjectionContext(closestInjector, () =>
            (guard as CanActivateFn)(futureARS, futureRSS),
          );
      return wrapIntoObservable(guardVal).pipe(first());
    });
  });
  return of(canActivateObservables).pipe(prioritizedGuardValue());
}

function runCanActivateChild(
  futureRSS: RouterStateSnapshot,