Merge pull request #37 from hhbb0081/test

Docs: 폴링 방식 추가

Author: hhbb0081

src/pages/Home/Home.jsx

@@ -77,9 +77,9 @@ function Home () {
   useEffect(() => {
     fetchData();
 
-    // const intervalId = setInterval(fetchData, 5000); // 5초마다 실행
+    const intervalId = setInterval(fetchData, 5000); // 5초마다 실행
 
-    // return () => clearInterval(intervalId);
+    return () => clearInterval(intervalId);
 
   // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);

src/pages/Home/StatusHome/Wait.jsx

@@ -40,7 +40,7 @@ const Wait = ({ orderInfo }) => {
     // OrderBox가 생성될 때마다 개수 증가
     // setOrderCount((prev) => ({ ...prev, pending: orderInfo.orders.length }));
 
-    if (playSound && orderInfo.orders.length !== 0) {
+    if (playSound && orderInfo?.orders?.length !== 0) {
       AudioPlayer(); // 소리 재생
     }
   }, [orderInfo, playSound]);