fix(core): filter out undefined values in get all and merge

nestjs · May 28, 2020 · b8ce412 · b8ce412
1 parent 486a40b
commit b8ce412
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/core/services/reflector.service.ts b/packages/core/services/reflector.service.ts
@@ -53,7 +53,9 @@ export class Reflector {
     metadataKey: TKey,
     targets: (Type<any> | Function)[],
   ): TResult {
-    const metadataCollection = this.getAll(metadataKey, targets);
+    const metadataCollection = this.getAll(metadataKey, targets).filter(
+      item => item !== undefined,
+    );
     return metadataCollection.reduce((a, b) => {
       if (Array.isArray(a)) {
         return a.concat(b);