From e2ac112c180b774df5fef6d39d6eff6ccc5ef602 Mon Sep 17 00:00:00 2001
From: Andrew Kingston <andrew@kingston.dev>
Date: Mon, 24 Jun 2024 14:51:33 +0100
Subject: [PATCH] Fix crash when selecting cells in new row

---
 packages/frontend-core/src/components/grid/stores/ui.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/frontend-core/src/components/grid/stores/ui.js b/packages/frontend-core/src/components/grid/stores/ui.js
index a52abd09d5..a465d6ed81 100644
--- a/packages/frontend-core/src/components/grid/stores/ui.js
+++ b/packages/frontend-core/src/components/grid/stores/ui.js
@@ -112,6 +112,9 @@ export const deriveStores = context => {
       // Get source and target row and column indices
       const sourceInfo = parseCellID(sourceCellId)
       const targetInfo = parseCellID(targetCellId)
+      if (sourceInfo.rowId === NewRowID) {
+        return []
+      }
 
       // Row indices
       const sourceRowIndex = $rowLookupMap[sourceInfo.rowId].__idx