From f300a4001ec40cadef2520267eb5841ab48cf005 Mon Sep 17 00:00:00 2001
From: Yang Mingshan <y.mingshan3@gmail.com>
Date: Wed, 3 Jan 2024 18:09:53 +0800
Subject: [PATCH] fix(watch): remove instance unmounted short circuit in getter
 of `watchEffect` (#9948)

---
 packages/runtime-core/src/apiWatch.ts | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/packages/runtime-core/src/apiWatch.ts b/packages/runtime-core/src/apiWatch.ts
index 7e1e250bd64..665fb4ec4df 100644
--- a/packages/runtime-core/src/apiWatch.ts
+++ b/packages/runtime-core/src/apiWatch.ts
@@ -5,7 +5,6 @@ import {
   ReactiveEffect,
   ReactiveFlags,
   type Ref,
-  getCurrentScope,
   isReactive,
   isRef,
   isShallow,
@@ -220,8 +219,7 @@ function doWatch(
     )
   }
 
-  const instance =
-    getCurrentScope() === currentInstance?.scope ? currentInstance : null
+  const instance = currentInstance
   const reactiveGetter = (source: object) =>
     deep === true
       ? source // traverse will happen in wrapped getter below
@@ -261,9 +259,6 @@ function doWatch(
     } else {
       // no cb -> simple effect
       getter = () => {
-        if (instance && instance.isUnmounted) {
-          return
-        }
         if (cleanup) {
           cleanup()
         }