Clean out NSNulls in removedSubnodes list (fixes TextureGroup#2059)

JohnEstropia · Apr 30, 2022 · 276141e · 276141e
1 parent 50426db
commit 276141e
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/Source/Private/ASLayoutTransition.mm b/Source/Private/ASLayoutTransition.mm
@@ -184,7 +184,11 @@ - (void)calculateSubnodeOperationsIfNeeded
                                             moves:&moves];
 
     _insertedSubnodePositions = findNodesInLayoutAtIndexes(pendingLayout, insertions, &_insertedSubnodes);
-    _removedSubnodes = [previousNodes objectsAtIndexes:deletions];
+
+    NSMutableArray *mutableRemovedNodes = [[previousNodes objectsAtIndexes:deletions] mutableCopy];
+    [mutableRemovedNodes removeObjectIdenticalTo:[NSNull null]];
+    _removedSubnodes = [mutableRemovedNodes copy];
+
     // These should arrive sorted in ascending order of move destinations.
     for (NSIndexPath *move in moves) {
       _subnodeMoves.emplace_back(previousLayout.sublayouts[([move indexAtPosition:0])].layoutElement,