disabled 수정

client/src/components/SignUp.js

@@ -13,17 +13,19 @@ const INIT_USER = {
 const Signup = () => {
   const [user, setUser] = useState(INIT_USER);
   const [error, setError] = useState("");
+  const [disabled, setDisabled] = useState(false);
   const [success, setSuccess] = useState(false);
-  let disabled = false;
 
   useEffect(() => {
-    disabled = !(
-      user.name &&
-      user.idNumber1 &&
-      user.idNumber2 &&
-      user.id &&
-      user.password &&
-      user.checkpw
+    setDisabled(
+      !(
+        user.name &&
+        user.idNumber1 &&
+        user.idNumber2 &&
+        user.id &&
+        user.password &&
+        user.checkpw
+      )
     );
   }, [user]);
 
@@ -153,6 +155,7 @@ const Signup = () => {
             />
           </div>
         </div>
+        {console.log(disabled)}
         <div className="modal-footer">
           <button type="submit" className="btn btn-primary" disabled={disabled}>
             회원가입