Update app.py

app.py

@@ -1,4 +1,5 @@
 import gradio as gr
+import json
 
 # Global variables for cart and menu data
 cart = []
@@ -19,9 +20,9 @@ menu_data = [
 ]
 
 # Function to add an item to the cart
-def add_to_cart(item_name):
+def add_to_cart(item_name: str):
     cart.append({"item_name": item_name})
-    return {"data": f"{item_name} added to cart!"}
+    return f"'{item_name}' has been added to your cart!"
 
 # Function to display the current cart
 def display_cart():
@@ -78,11 +79,11 @@ popup_js = """
         document.getElementById("add-to-cart-button").onclick = async function() {
             const response = await fetch("/run/add_to_cart", {
                 method: "POST",
-                body: JSON.stringify({ name }),
+                body: JSON.stringify({ data: name }),
                 headers: { "Content-Type": "application/json" }
             });
             const result = await response.json();
-            alert(result.data);  // Show success message
+            alert(result.message);  // Show success message
             closePopup();  // Automatically close popup
         };
     }
@@ -141,7 +142,4 @@ with gr.Blocks() as demo:
                 outputs=cart_display
             )
 
-# Register the add_to_cart function
-demo.add_to_cart = add_to_cart
-
 demo.launch()