From 0feda9144665a92c562c35fd379a852e2ecdbf21 Mon Sep 17 00:00:00 2001
From: moklick <info@moritzklack.com>
Date: Mon, 18 Dec 2023 17:21:14 +0100
Subject: [PATCH] refactor(react): do not set selections for all nodes/edges

---
 packages/react/src/utils/changes.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/react/src/utils/changes.ts b/packages/react/src/utils/changes.ts
index 91209e11..52db313b 100644
--- a/packages/react/src/utils/changes.ts
+++ b/packages/react/src/utils/changes.ts
@@ -166,7 +166,8 @@ export function getSelectionChanges(
   for (const item of items) {
     const willBeSelected = selectedIds.has(item.id);
 
-    if (item.selected !== willBeSelected) {
+    // we don't want to set all items to selected=false on the first selection
+    if (!(item.selected === undefined && !willBeSelected) && item.selected !== willBeSelected) {
       if (mutateItem) {
         // this hack is needed for nodes. When the user dragged a node, it's selected.
         // When another node gets dragged, we need to deselect the previous one,