Refactor: change directory structure of hooks to organize by task

src/hooks/auth/useUser.ts

@@ -0,0 +1,50 @@
+import GetUserSchema from '@/services/User/schema/GetUserSchema';
+import APIResponseValidationSchema from '@/validation/APIResponseValidationSchema';
+import useSWR from 'swr';
+
+/**
+ * A custom React hook that fetches the current user's data from the server.
+ *
+ * @returns An object containing the current user's data, a boolean indicating if the
+ *   request is currently loading, and an error object if an error occurred during the
+ *   request.
+ * @throws When the user is not logged in, the server returns an error status code, or if
+ *   the response data fails to validate against the expected schema.
+ */
+const useUser = () => {
+  const {
+    data: user,
+    error,
+    isLoading,
+    mutate,
+  } = useSWR('/api/users/current', async (url) => {
+    if (!document.cookie.includes('token')) {
+      throw new Error('No token cookie found');
+    }
+    const response = await fetch(url);
+
+    if (!response.ok) {
+      document.cookie = 'token=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;';
+      throw new Error(response.statusText);
+    }
+
+    const json = await response.json();
+
+    const parsed = APIResponseValidationSchema.safeParse(json);
+    if (!parsed.success) {
+      throw new Error(parsed.error.message);
+    }
+
+    const parsedPayload = GetUserSchema.safeParse(parsed.data.payload);
+
+    if (!parsedPayload.success) {
+      throw new Error(parsedPayload.error.message);
+    }
+
+    return parsedPayload.data;
+  });
+
+  return { user, isLoading, error: error as unknown, mutate };
+};
+
+export default useUser;