From ec2a7fb19f301ea38cc5bddacb1b62049b088805 Mon Sep 17 00:00:00 2001
From: gizeasy <gizeasy@gmail.com>
Date: Thu, 11 Jun 2026 14:27:31 +0300
Subject: [PATCH] fix(Combobox): fix searchLabel and virtualScroll on React 19

closes #4177 closes #3971
---
 .../SelectDropdown/SelectDropdown.tsx         |  1 +
 src/hooks/useVirtualScroll/helpers.ts         |  2 +-
 src/utils/getGroups.ts                        | 20 ++++++++++---------
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/components/SelectComponents/SelectDropdown/SelectDropdown.tsx b/src/components/SelectComponents/SelectDropdown/SelectDropdown.tsx
index 7b0e4bb53..0abba20ce 100644
--- a/src/components/SelectComponents/SelectDropdown/SelectDropdown.tsx
+++ b/src/components/SelectComponents/SelectDropdown/SelectDropdown.tsx
@@ -232,6 +232,7 @@ export const SelectDropdown: SelectDropdownComponent = (props) => {
                 }),
                 cnMixScrollBar(),
               ])}
+              key={cnSelectDropdown('ScrollContainer')}
               ref={dropdownRef}
             >
               {isLoading && !isListShowed && <SelectLoader />}
diff --git a/src/hooks/useVirtualScroll/helpers.ts b/src/hooks/useVirtualScroll/helpers.ts
index 2d325ca58..0e22524d7 100644
--- a/src/hooks/useVirtualScroll/helpers.ts
+++ b/src/hooks/useVirtualScroll/helpers.ts
@@ -36,7 +36,7 @@ export const useScroll = (
     return () => {
       ref.current?.removeEventListener('scroll', fn);
     };
-  }, [ref.current, fn, isActive]);
+  }, [ref.current, isActive]);
 };
 
 export const getElementHeight = (el: HTMLElement | SVGGraphicsElement | null) =>
diff --git a/src/utils/getGroups.ts b/src/utils/getGroups.ts
index 1807680f7..e81ef5d8a 100644
--- a/src/utils/getGroups.ts
+++ b/src/utils/getGroups.ts
@@ -125,15 +125,17 @@ export function getCountedGroups<ITEM, GROUP>(
           checkedCount += 1;
         }
       });
-      copyGroups[index].items = [
-        {
-          __optionSelectAll: true,
-          totalCount,
-          groupKey: group.key,
-          checkedCount,
-        },
-        ...copyGroups[index].items,
-      ];
+      copyGroups[index].items = copyGroups[index].items.length
+        ? [
+            {
+              __optionSelectAll: true,
+              totalCount,
+              groupKey: group.key,
+              checkedCount,
+            },
+            ...copyGroups[index].items,
+          ]
+        : copyGroups[index].items;
     });
   }
   return copyGroups;