From dc4bc0329ba4327e3413c411f470d746613b7001 Mon Sep 17 00:00:00 2001
From: Mark Tolmacs <mark@lazycat.hu>
Date: Wed, 19 Mar 2025 21:13:37 +0100
Subject: [PATCH] Ensure group ids are all duplicated

---
 packages/excalidraw/element/duplicate.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/excalidraw/element/duplicate.ts b/packages/excalidraw/element/duplicate.ts
index 42ebbc414..992b8555f 100644
--- a/packages/excalidraw/element/duplicate.ts
+++ b/packages/excalidraw/element/duplicate.ts
@@ -129,6 +129,15 @@ export const duplicateElements = (
     opts?.idsOfElementsToDuplicate ??
     new Map(elements.map((el) => [el.id, el]));
 
+  // For sanity
+  if (opts?.appState?.selectedGroupIds) {
+    for (const groupId of Object.keys(opts.appState.selectedGroupIds)) {
+      elements
+        .filter((el) => el.groupIds?.includes(groupId))
+        .forEach((el) => _idsOfElementsToDuplicate.set(el.id, el));
+    }
+  }
+
   elements = normalizeElementOrder(elements);
 
   const elementsWithClones: ExcalidrawElement[] = elements.slice();