fix: log write시 인코딩 깨지는 문제 해결

src/libs/logger.ts

@@ -94,13 +94,24 @@ const dailyLogger = new DailyLogger()
 export const writeApiLog = async (request: NextRequest, responseStatus: number): Promise<void> => {
   if (!isProduction) return
 
+  let bodyString: string | undefined
+  if (
+    request.method === 'POST' &&
+    (request.headers.get('content-type') === 'multipart/form-data' || request.headers.get('content-type') === 'application/x-www-form-urlencoded')
+  ) {
+    const formData = await request.formData()
+    bodyString = JSON.stringify(Object.fromEntries(formData))
+  } else {
+    bodyString = await request.text()
+  }
+
   const logData: ApiLogData = {
     responseStatus: responseStatus,
     method: request.method,
     url: request.url,
     // headers: Object.fromEntries(request.headers),
     query: Object.fromEntries(new URL(request.url).searchParams),
-    body: request.body ? await request.text() : undefined,
+    body: bodyString,
   }
   dailyLogger.info(logData, 'API Request')
 }