improve visibleRect variable

amirdew · amirdew · commit ef46c751baa9 · 2020-04-21T23:37:15.000+02:00
diff --git a/Lib/CollectionViewPagingLayout.swift b/Lib/CollectionViewPagingLayout.swift
@@ -39,10 +39,7 @@ public class CollectionViewPagingLayout: UICollectionViewLayout {
     }
     
     private var visibleRect: CGRect {
-        guard let collectionView = collectionView else {
-            return .zero
-        }
-        return CGRect(origin: collectionView.contentOffset, size: collectionView.bounds.size)
+        collectionView.map { CGRect(origin: $0.contentOffset, size: $0.bounds.size) } ?? .zero
     }
     
     private var numberOfItems: Int {

Original file line number	Diff line number	Diff line change
`@@ -39,10 +39,7 @@ public class CollectionViewPagingLayout: UICollectionViewLayout {`
`39`	`39`	`}`
`40`	`40`
`41`	`41`	`private var visibleRect: CGRect {`
`42`		`- guard let collectionView = collectionView else {`
`43`		`- return .zero`
`44`		`- }`
`45`		`- return CGRect(origin: collectionView.contentOffset, size: collectionView.bounds.size)`
	`42`	`+ collectionView.map { CGRect(origin: $0.contentOffset, size: $0.bounds.size) } ?? .zero`
`46`	`43`	`}`
`47`	`44`
`48`	`45`	`private var numberOfItems: Int {`