perf(core): optimize reflector

nestjs · Aug 14, 2022 · a3b8256 · a3b8256
1 parent 6363cbe
commit a3b8256
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/packages/core/services/reflector.service.ts b/packages/core/services/reflector.service.ts
@@ -23,7 +23,7 @@ export class Reflector {
     metadataKey: TKey,
     target: Type<any> | Function,
   ): TResult {
-    return Reflect.getMetadata(metadataKey, target) as TResult;
+    return Reflect.getMetadata(metadataKey, target);
   }
 
   /**
@@ -38,7 +38,7 @@ export class Reflector {
     targets: (Type<any> | Function)[],
   ): TResult {
     return (targets || []).map(target =>
-      Reflect.getMetadata(metadataKey, target),
+      this.get(metadataKey, target),
     ) as TResult;
   }
 
@@ -86,6 +86,12 @@ export class Reflector {
     metadataKey: TKey,
     targets: (Type<any> | Function)[],
   ): TResult {
-    return this.getAll(metadataKey, targets).find(item => item !== undefined);
+    for (const target of targets) {
+      const result = this.get(metadataKey, target);
+      if (result !== undefined) {
+        return result;
+      }
+    }
+    return undefined;
   }
 }