fix(core): when the discoverable decorator is not used

nestjs · Oct 6, 2023 · ed92fd3 · ed92fd3
1 parent ecdd86f
commit ed92fd3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/core/discovery/discoverable-meta-host-collection.ts b/packages/core/discovery/discoverable-meta-host-collection.ts
@@ -94,15 +94,15 @@ export class DiscoverableMetaHostCollection {
     metaKey: string,
   ): Set<InstanceWrapper> {
     const wrappersByMetaKey = this.providersByMetaKey.get(hostContainerRef);
-    return wrappersByMetaKey.get(metaKey);
+    return wrappersByMetaKey?.get(metaKey) ?? new Set<InstanceWrapper>();
   }
 
   public static getControllersByMetaKey(
     hostContainerRef: ModulesContainer,
     metaKey: string,
   ): Set<InstanceWrapper> {
     const wrappersByMetaKey = this.controllersByMetaKey.get(hostContainerRef);
-    return wrappersByMetaKey.get(metaKey);
+    return wrappersByMetaKey?.get(metaKey) ?? new Set<InstanceWrapper>();
   }
 
   private static inspectInstanceWrapper(