Initial commit

frontend/src/lib/utils/auth.js

@@ -0,0 +1,51 @@
+// Utility functions for authentication checks
+
+/**
+ * Check if user is authenticated by checking for token in localStorage
+ * @returns {boolean} - True if user is authenticated, false otherwise
+ */
+export function isAuthenticated() {
+  const token = localStorage.getItem('token');
+  return !!token;
+}
+
+/**
+ * Get the current user's token
+ * @returns {string|null} - Token if exists, null otherwise
+ */
+export function getToken() {
+  return localStorage.getItem('token');
+}
+
+/**
+ * Clear authentication data
+ */
+export function logout() {
+  localStorage.removeItem('token');
+}
+
+/**
+ * Validate token by making a request to the backend
+ * @returns {Promise<boolean>} - Promise that resolves to true if token is valid, false otherwise
+ */
+export async function validateToken() {
+  const token = getToken();
+  if (!token) {
+    return false;
+  }
+
+  try {
+    const response = await fetch('/api/v1/auth/me', {
+      method: 'GET',
+      headers: {
+        'Authorization': `Bearer ${token}`,
+        'Content-Type': 'application/json'
+      }
+    });
+
+    return response.ok;
+  } catch (error) {
+    console.error('Error validating token:', error);
+    return false;
+  }
+}