test data type for position

lib/members.ts

@@ -43,8 +43,7 @@ export async function getMembers(year: string, term: Term): Promise<Member[]> {
         return {
           name: item.cn as string,
           id: item.uid as string,
-          program:
-            item.position === undefined ? "" : (item.position[0] as string),
+          program: item.position === undefined ? "" : typeof item.position,
         };
       })
       .filter((item: Member) => item.program !== "");