From 4bac8ab190787d09371691f541627a3eb5866fa6 Mon Sep 17 00:00:00 2001
From: joonhoekim <26rote@gmail.com>
Date: Fri, 10 Oct 2025 15:41:18 +0900
Subject: (김준회) fix: nested column 에만 table-fixed 속성 적용하도록 조건부
 처리
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---
 components/data-table/infinite-data-table.tsx | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

(limited to 'components/data-table/infinite-data-table.tsx')

diff --git a/components/data-table/infinite-data-table.tsx b/components/data-table/infinite-data-table.tsx
index d766f35c..0242e052 100644
--- a/components/data-table/infinite-data-table.tsx
+++ b/components/data-table/infinite-data-table.tsx
@@ -53,6 +53,13 @@ export function InfiniteDataTable<TData>({
 
   useAutoSizeColumns(table, autoSizeColumns)
 
+  // nested header 감지: columns 속성을 가진 헤더가 있는지 확인
+  const hasNestedHeader = React.useMemo(() => {
+    return table.getHeaderGroups().some(headerGroup =>
+      headerGroup.headers.some(header => 'columns' in header.column.columnDef)
+    )
+  }, [table])
+
   // 🎯 스크롤 상태 감지 추가
   const [isScrolled, setIsScrolled] = React.useState(false)
 
@@ -143,13 +150,12 @@ export function InfiniteDataTable<TData>({
         style={{ maxHeight: maxHeight || '35rem' }}
         onScroll={handleScroll} // 🎯 스크롤 이벤트 핸들러 추가
       >
-        <Table 
-          className="[&>thead]:sticky [&>thead]:top-0 [&>thead]:z-10"
-          style={{ 
-            width: getTableWidth(), // 🎯 동적 너비 계산
-            minWidth: '100%'
-          }}
-        >
+        <Table
+          className={cn(
+            "[&>thead]:sticky [&>thead]:top-0 [&>thead]:z-10",
+            !hasNestedHeader && "table-fixed" // nested header가 없으면 table-fixed 적용
+          )}>
+          {/* nested header가 있으면 table-fixed 제거, 없으면 적용 */}
           {/* 테이블 헤더 */}
           <TableHeader>
             {table.getHeaderGroups().map((headerGroup) => (
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