feat: Add backup api for cross site blocks

templates/index.html

@@ -42,14 +42,41 @@
         };
 
         async function fetchJoke() {
-            const response = await fetch('https://icanhazdadjoke.com', {
+            try {
-                headers: {
+                let response;
-                    'Accept': 'application/json'
+
+                // Attempt to fetch the external API first
+                try {
+                    response = await fetch('https://icanhazdadjoke.com/', {
+                        headers: {
+                            'Accept': 'application/json'
+                        }
+                    });
+                    
+                    // If the external API response is not ok, fallback to local API
+                    if (!response.ok) {
+                        throw new Error('External API failed');
+                    }
+                } catch (error) {
+                    console.warn('External API failed:', error);
+                    // Fall back to local API after external API failure
+                    response = await fetch('/api/joke');
+                    
+                    // If local API also fails, throw an error
+                    if (!response.ok) {
+                        throw new Error('Both external and local APIs failed');
+                    }
                 }
-            });
+
-            const data = await response.json();
+                // Parse and display the joke
-            document.getElementById('joke').innerText = data.joke;
+                const data = await response.json();
+                document.getElementById('joke').innerText = data.joke;
+            } catch (error) {
+                console.error('Failed to fetch joke:', error);
+                document.getElementById('joke').innerText = "Oops! Couldn't fetch a joke right now.";
+            }
         }
+
     </script>
 </head>