Remove unneeded DispatchQueue.main.async

Author: amirdew

Lib/CollectionViewPagingLayout.swift

@@ -222,11 +222,9 @@ public class CollectionViewPagingLayout: UICollectionViewLayout {
 
         // this is necessary when we want to set the current page without animation
         if !animated, page != currentPage, let collectionView = collectionView {
-            DispatchQueue.main.async {
-                collectionView.performBatchUpdates({
-                    collectionView.collectionViewLayout.invalidateLayout()
-                })
-            }
+            collectionView.performBatchUpdates({
+                collectionView.collectionViewLayout.invalidateLayout()
+            })
         }
     }
 

Samples/PagingLayoutSamples/Modules/Shapes/ShapesViewController.swift

@@ -156,19 +156,15 @@ class ShapesViewController: UIViewController, NibBased, ViewModelBased {
     }
 
     private func invalidateLayoutTypeCollectionViewLayout() {
-        DispatchQueue.main.async { [weak self] in
-            self?.layoutTypeCollectionView?.performBatchUpdates({ [weak self] in
-                self?.layoutTypeCollectionView?.collectionViewLayout.invalidateLayout()
-            })
-        }
+        layoutTypeCollectionView?.performBatchUpdates({ [weak self] in
+            self?.layoutTypeCollectionView?.collectionViewLayout.invalidateLayout()
+        })
     }
 
     private func invalidateCollectionViewLayout() {
-        DispatchQueue.main.async { [weak self] in
-            self?.collectionView?.performBatchUpdates({ [weak self] in
-                self?.collectionView?.collectionViewLayout.invalidateLayout()
-            })
-        }
+        collectionView?.performBatchUpdates({ [weak self] in
+            self?.collectionView?.collectionViewLayout.invalidateLayout()
+        })
     }
 
     private func getPagingLayout(_ collectionView: UICollectionView) -> CollectionViewPagingLayout? {