src/pages/VisProgPage/visualProgrammingUI/components/DragDropSidebar.tsx

@@ -56,7 +56,7 @@ function addNode(nodeType: keyof typeof NodeTypes, position: XYPosition) {
 
   // Find out if there's any default data about our ndoe
   const defaultData = NodeDefaults[nodeType] ?? {}
-  
+
   // Currently, we find out what the Id is by checking the last node and adding one
   const sameTypeNodes = nodes.filter((node) => node.type === nodeType);
   const nextNumber =
@@ -75,7 +75,9 @@ function addNode(nodeType: keyof typeof NodeTypes, position: XYPosition) {
     id: id,
     type: nodeType,
     position,
-    data: {...defaultData}
+    // Deep copy using JSON because thats how things work:
+    // Ref: https://developer.mozilla.org/en-US/docs/Glossary/Deep_copy
+    data: structuredClone(defaultData)
   }
   setNodes([...nodes, newNode]);
 }