From a48ffdad65d9c97eb0a342a6cd53836a16289afe Mon Sep 17 00:00:00 2001
From: yangdan8 <13532023084@139.com>
Date: Thu, 21 Aug 2025 17:52:55 +0800
Subject: [PATCH] chore(reactivity): optimize size retrieval in
 createInstrumentations (#13759)

---
 packages/reactivity/src/collectionHandlers.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/reactivity/src/collectionHandlers.ts b/packages/reactivity/src/collectionHandlers.ts
index 048b7f3886..ffc3289f2e 100644
--- a/packages/reactivity/src/collectionHandlers.ts
+++ b/packages/reactivity/src/collectionHandlers.ts
@@ -125,7 +125,7 @@ function createInstrumentations(
     get size() {
       const target = (this as unknown as IterableCollections)[ReactiveFlags.RAW]
       !readonly && track(toRaw(target), TrackOpTypes.ITERATE, ITERATE_KEY)
-      return Reflect.get(target, 'size', target)
+      return target.size
     },
     has(this: CollectionTypes, key: unknown): boolean {
       const target = this[ReactiveFlags.RAW]
-- 
2.47.2