First Commit - Portfolio Page

src/utils/auth.ts

@@ -0,0 +1,18 @@
+import { supabase } from './supabaseClient';
+import { NavigateFunction } from 'react-router-dom';
+
+export const checkAuth = async (navigate: NavigateFunction) => {
+  const { data: { session } } = await supabase.auth.getSession();
+  
+  if (!session) {
+    navigate('/login');
+    return false;
+  }
+  
+  return true;
+};
+
+export const signOut = async (navigate: NavigateFunction) => {
+  await supabase.auth.signOut();
+  navigate('/login');
+};