Refactor: change directory structure of hooks to organize by task

src/hooks/auth/useRedirectIfLoggedIn.ts

@@ -0,0 +1,22 @@
+import UserContext from '@/contexts/userContext';
+import { useRouter } from 'next/router';
+import { useContext } from 'react';
+
+/**
+ * Custom React hook that redirects the user to the home page if they are logged in. This
+ * hook is used to prevent logged in users from accessing the login and signup pages. Must
+ * be used under the UserContext provider.
+ *
+ * @returns {void}
+ */
+const useRedirectWhenLoggedIn = (): void => {
+  const { user } = useContext(UserContext);
+  const router = useRouter();
+
+  if (!user) {
+    return;
+  }
+  router.push('/');
+};
+
+export default useRedirectWhenLoggedIn;