session managment

frontend/src/lib/api.ts

@@ -10,6 +10,11 @@ function setAuthToken(token: string): void {
 	localStorage.setItem('auth_token', token);
 }
 
+// A simple function to save the token
+function delAuthToken(): void {
+	localStorage.removeItem('auth_token');
+}
+
 /**
  * Create a new form.
  * @param name The name of the form.
@@ -123,3 +128,11 @@ export async function login(username: string, password: string): Promise<void> {
 	const { token } = await response.json();
 	setAuthToken(token); // Store the token in localStorage
 }
+
+export function logout() {
+	delAuthToken();
+}
+
+export function loggedIn() {
+	return localStorage.getItem('auth_token') !== null;
+}