From 1faa094eb367c476870ab25c9bed19730050e574 Mon Sep 17 00:00:00 2001
From: Kuitos <kuitos.lau@gmail.com>
Date: Wed, 15 Jun 2022 23:46:02 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20avoid=20accidentally=20deleted?=
 =?UTF-8?q?=20for=20dynamic=20stylesheet=20(#2147)?=
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---
 src/sandbox/patchers/dynamicAppend/common.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/sandbox/patchers/dynamicAppend/common.ts b/src/sandbox/patchers/dynamicAppend/common.ts
index c301e83..347d012 100644
--- a/src/sandbox/patchers/dynamicAppend/common.ts
+++ b/src/sandbox/patchers/dynamicAppend/common.ts
@@ -316,8 +316,13 @@ function getNewRemoveChild(
         case STYLE_TAG_NAME:
         case LINK_TAG_NAME: {
           attachedElement = dynamicLinkAttachedInlineStyleMap.get(child as any) || child;
+
           // try to remove the dynamic style sheet
-          dynamicStyleSheetElements.splice(dynamicStyleSheetElements.indexOf(attachedElement as any), 1);
+          const dynamicElementIndex = dynamicStyleSheetElements.indexOf(attachedElement as HTMLLinkElement);
+          if (dynamicElementIndex !== -1) {
+            dynamicStyleSheetElements.splice(dynamicElementIndex, 1);
+          }
+
           break;
         }