fix type issue in err at auth.api.ts and auth.store.ts

Author: Arunkoo

Client/src/auth/auth.store.ts

@@ -47,10 +47,11 @@ export const useAuthStore = create<AuthStore>((set) => ({
     try {
       const user = await authApi.login(credentials);
       set({ user, isLoading: false });
-    } catch (err) {
-      const errorMessage = axios.isAxiosError(err)
-        ? err.response?.data?.message || "Login failed"
-        : "An unknown error occurred";
+    } catch (err: unknown) {
+      const errorMessage =
+        err && axios.isAxiosError(err)
+          ? err.response?.data?.message || "Login failed"
+          : "An unknown error occurred";
       set({ user: null, error: errorMessage, isLoading: false });
       throw err;
     }
@@ -61,10 +62,11 @@ export const useAuthStore = create<AuthStore>((set) => ({
     try {
       const user = await authApi.register(userData);
       set({ user, isLoading: false });
-    } catch (err) {
-      const errorMessage = axios.isAxiosError(err)
-        ? err.response?.data?.message || "Registration failed!"
-        : "An unknown error occurred";
+    } catch (err: unknown) {
+      const errorMessage =
+        err && axios.isAxiosError(err)
+          ? err.response?.data?.message || "Registration failed!"
+          : "An unknown error occurred";
       set({ user: null, error: errorMessage, isLoading: false });
       throw err;
     }