Function runCanLoadGuards

packages/router/src/operators/check_guards.ts:230–252

(
  injector: EnvironmentInjector,
  route: Route,
  segments: UrlSegment[],
  urlSerializer: UrlSerializer,
  abortSignal?: AbortSignal,
)

}

export function runCanLoadGuards(
  injector: EnvironmentInjector,
  route: Route,
  segments: UrlSegment[],
  urlSerializer: UrlSerializer,
  abortSignal?: AbortSignal,
): Observable<boolean> {
  const canLoad = route.canLoad;
  if (canLoad === undefined || canLoad.length === 0) {
    return of(true);
  }

  const canLoadObservables = canLoad.map((injectionToken: any) => {
    const guard = getTokenOrFunctionIdentity<any>(injectionToken, injector);
    const guardVal = isCanLoad(guard)
      ? guard.canLoad(route, segments)
      : runInInjectionContext(injector, () => (guard as CanLoadFn)(route, segments));
    const obs$ = wrapIntoObservable(guardVal);
    return abortSignal ? obs$.pipe(takeUntilAbort(abortSignal)) : obs$;
  });

  return of(canLoadObservables).pipe(prioritizedGuardValue(), redirectIfUrlTree(urlSerializer));
}

function redirectIfUrlTree(urlSerializer: UrlSerializer): OperatorFunction<GuardResult, boolean> {
  return pipe(