snake case -> camel case 변환 로직 추가

src/libs/axios.ts

@@ -22,9 +22,43 @@ axiosInstance.interceptors.request.use(
 
 // Response interceptor
 axiosInstance.interceptors.response.use(
-  (response) => response,
+  (response) => transferResponse(response),
   (error) => {
     // 에러 처리 로직
     return Promise.reject(error)
   },
 )
+
+// response데이터가  array, object에 따라 분기하여 키 변환
+const transferResponse = (response: any) => {
+  if (!response.data) return response.data
+
+  // 배열인 경우 각 객체의 키를 변환
+  if (Array.isArray(response.data)) {
+    return response.data.map((item: any) => transformObjectKeys(item))
+  }
+
+  // 단일 객체인 경우
+  return transformObjectKeys(response.data)
+}
+
+// camel case object 반환
+const transformObjectKeys = (obj: any): any => {
+  if (Array.isArray(obj)) {
+    return obj.map(transformObjectKeys)
+  }
+
+  if (obj !== null && typeof obj === 'object') {
+    return Object.keys(obj).reduce((acc: any, key: string) => {
+      const camelKey = snakeToCamel(key)
+      acc[camelKey] = transformObjectKeys(obj[key])
+      return acc
+    }, {})
+  }
+
+  return obj
+}
+// snake case to camel case
+const snakeToCamel = (str: string): string => {
+  return str.replace(/([-_][a-z])/g, (group) => group.toUpperCase().replace('-', '').replace('_', ''))
+}