From 1b69b0f3ac5655098c588a4341a4c84a648431af Mon Sep 17 00:00:00 2001
From: MadCcc <1075746765@qq.com>
Date: Thu, 3 Aug 2023 20:30:34 +0800
Subject: [PATCH] fix: dom not appended should not be treated as ShadowRoot

---
 src/Dom/shadow.ts     | 2 +-
 tests/shadow.test.tsx | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Dom/shadow.ts b/src/Dom/shadow.ts
index 2aa8b2dc..eaa44451 100644
--- a/src/Dom/shadow.ts
+++ b/src/Dom/shadow.ts
@@ -6,7 +6,7 @@ function getRoot(ele: Node) {
  * Check if is in shadowRoot
  */
 export function inShadow(ele: Node) {
-  return getRoot(ele) !== ele?.ownerDocument;
+  return getRoot(ele) instanceof ShadowRoot;
 }
 
 /**
diff --git a/tests/shadow.test.tsx b/tests/shadow.test.tsx
index 3c81ede7..ba4dab3c 100644
--- a/tests/shadow.test.tsx
+++ b/tests/shadow.test.tsx
@@ -19,5 +19,10 @@ describe('shadow', () => {
 
       expect(getShadowRoot(button)).toBeNull();
     });
+
+    it('should return null if dom is not appended', () => {
+      const button = document.createElement('button');
+      expect(getShadowRoot(button)).toBeNull();
+    });
   });
 });