Dont assert indexForCell: API when cell isnt visible

Instagram · Jun 22, 2017 · 58c9c0e · 58c9c0e
1 parent 895de47
commit 58c9c0e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Source/IGListAdapter.m b/Source/IGListAdapter.m
@@ -726,7 +726,8 @@ - (NSInteger)indexForCell:(UICollectionViewCell *)cell sectionController:(nonnul
     IGParameterAssert(cell != nil);
     IGParameterAssert(sectionController != nil);
     NSIndexPath *indexPath = [self.collectionView indexPathForCell:cell];
-    IGAssert(indexPath.section == [self sectionForSectionController:sectionController],
+    IGAssert(indexPath == nil
+             || indexPath.section == [self sectionForSectionController:sectionController],
              @"Requesting a cell from another section controller is not allowed.");
     return indexPath != nil ? indexPath.item : NSNotFound;
 }