[Fix]관심종목 실시간 삭제 오류 해결

delete요청에서 전송이 성공했을 때 받던 json 삭제
Issues #19

client/src/components/watchlist/StockItem.tsx

@@ -38,6 +38,7 @@ const StockItem: React.FC<StockItemProps> = ({ company, onDelete  }) => {
     deleteMutation.mutate(company.companyId, {
       onSuccess: () => {
         onDelete(company.companyId);  // 콜백 함수 호출
+
       }
     });
   };

client/src/components/watchlist/WatchList.tsx

@@ -19,6 +19,8 @@ const WatchList: React.FC<WatchListProps> = ({ currentListType, onChangeListType
   const { data: starredData } = useGetStars();
 
   const [starredCompanyIds, setStarredCompanyIds] = useState<number[]>([]);
+
+
   useEffect(() => {
     if (starredData) {
 

client/src/hooks/stars/useDeletestars.ts

@@ -2,23 +2,23 @@ import { useMutation } from 'react-query';
 
 // DELETE 요청을 수행하는 함수
 const deleteStarData = async (companyId: number) => {
-    const accessToken = localStorage.getItem('accessToken');
+  const accessToken = localStorage.getItem('accessToken');
   const response = await fetch(`http://ec2-13-125-246-160.ap-northeast-2.compute.amazonaws.com:8080/stars/?companyId=${companyId}`, {
-    method: 'DELETE',
-    headers: {
-      'Content-Type': 'application/json',
-      'Authorization': `${accessToken}`
-    },
+      method: 'DELETE',
+      headers: {
+          'Content-Type': 'application/json',
+          'Authorization': `${accessToken}`
+      },
   });
 
   if (!response.ok) {
-    throw new Error('Failed to delete star data.');
+      throw new Error('Failed to delete star data.');
   }
 
-  return response.json();
+  // DELETE 요청은 본문을 반환하지 않는 경우가 많으므로 json 변환을 생략
+  return true;  // 삭제가 성공적으로 완료됨을 나타냅니다.
 };
 
-// react-query의 useMutation을 사용한 custom hook
 const useDeleteStar = () => {
   return useMutation(deleteStarData);
 };