Function getResolver

packages/router/src/operators/resolve_data.ts:129–140

(
  injectionToken: ProviderToken<any> | Function,
  futureARS: ActivatedRouteSnapshot,
  futureRSS: RouterStateSnapshot,
)

}

function getResolver(
  injectionToken: ProviderToken<any> | Function,
  futureARS: ActivatedRouteSnapshot,
  futureRSS: RouterStateSnapshot,
): Observable<any> {
  const closestInjector = futureARS._environmentInjector;
  const resolver = getTokenOrFunctionIdentity(injectionToken, closestInjector);
  const resolverValue = resolver.resolve
    ? resolver.resolve(futureARS, futureRSS)
    : runInInjectionContext(closestInjector, () => resolver(futureARS, futureRSS));
  return wrapIntoObservable(resolverValue);
}