From c43a6e61a0952c629cfb062f67e8eb27a0f6f227 Mon Sep 17 00:00:00 2001
From: underfin <2218301630@qq.com>
Date: Thu, 25 Jun 2020 23:40:49 +0800
Subject: [PATCH] perf(reactivity): should not track `__v_isRef` (#1392)

---
 packages/reactivity/src/baseHandlers.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/reactivity/src/baseHandlers.ts b/packages/reactivity/src/baseHandlers.ts
index 3f875aba..82e6b98d 100644
--- a/packages/reactivity/src/baseHandlers.ts
+++ b/packages/reactivity/src/baseHandlers.ts
@@ -63,7 +63,11 @@ function createGetter(isReadonly = false, shallow = false) {
 
     const res = Reflect.get(target, key, receiver)
 
-    if ((isSymbol(key) && builtInSymbols.has(key)) || key === '__proto__') {
+    if (
+      isSymbol(key)
+        ? builtInSymbols.has(key)
+        : key === `__proto__` || key === `__v_isRef`
+    ) {
       return res
     }