From 36adbd91188ef72591ed7012383e6e6d766be248 Mon Sep 17 00:00:00 2001
From: Elena Torro <elenatorro@gmail.com>
Date: Thu, 20 Nov 2025 10:59:44 +0100
Subject: [PATCH] :bug: Fix insert shape on empty frame

---
 render-wasm/src/shapes.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/render-wasm/src/shapes.rs b/render-wasm/src/shapes.rs
index 0c90cb016e..5e986e78a5 100644
--- a/render-wasm/src/shapes.rs
+++ b/render-wasm/src/shapes.rs
@@ -1305,8 +1305,12 @@ impl Shape {
         for st in structure {
             match st.entry_type {
                 StructureEntryType::AddChild => {
-                    let index = usize::min(result.len() - 1, st.index as usize);
-                    result.shift_insert(index, st.id);
+                    if result.is_empty() {
+                        result.insert(st.id);
+                    } else {
+                        let index = usize::min(result.len() - 1, st.index as usize);
+                        result.shift_insert(index, st.id);
+                    }
                 }
                 StructureEntryType::RemoveChild => {
                     to_remove.insert(&st.id);