🐞 BugFix(#79): section.part 유효성 검사 추가

modern-agile-team · Dec 5, 2024 · c6075fd · c6075fd
1 parent e95df24
commit c6075fd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/pages/learn/Learn.tsx b/src/pages/learn/Learn.tsx
@@ -18,6 +18,7 @@ import sectionsQuery from '@/queries/sectionsQuery';
 export default function Learn() {
   const { setUser } = useUserStore();
 
+  // 임시 유저 생성
   useEffect(() => {
     setUser({ id: 3, nickname: 'admin', level: 1 });
   }, []);
@@ -42,6 +43,7 @@ export default function Learn() {
 
   // 이전 버튼 수 누적 계산
   const previousPartsCounts = useMemo(() => {
+    if (!section || !section.part) return [];
     const counts: number[] = [];
     let sum = 0;