deselect cells

Example/Sources/List/ListViewController.swift

@@ -40,7 +40,6 @@ final class ListViewController: ExampleViewController, CellEventCoordinator {
 
     // In this example, the cell view models handle cell selection and navigation themselves.
 
-
     // MARK: View lifecycle
 
     override func viewDidLoad() {

Example/Sources/Main/ExampleViewController.swift

@@ -50,6 +50,11 @@ class ExampleViewController: UIViewController {
         self.addReloadButton()
     }
 
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        self.collectionView.deselectAllItems()
+    }
+
     // MARK: Actions
 
     @objc

ReactiveCollectionsKit.xcodeproj/project.pbxproj

@@ -8,6 +8,7 @@
 
 /* Begin PBXBuildFile section */
 		0B01476F2BBCF0330041D432 /* Collection+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0B01476E2BBCF0330041D432 /* Collection+Extensions.swift */; };
+		0B25D73A2BFAD31C00EB3664 /* UICollectionView+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0B25D7392BFAD31C00EB3664 /* UICollectionView+Extensions.swift */; };
 		0B31B9312BCC5B66006F2078 /* CellEventCoordinator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0B31B9302BCC5B66006F2078 /* CellEventCoordinator.swift */; };
 		0B8C6CEC267ED08E0042DFE2 /* SupplementaryViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0B8C6CEB267ED08E0042DFE2 /* SupplementaryViewModel.swift */; };
 		0BC1EC28267FC37200FF774F /* SupplementaryHeaderViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0BC1EC27267FC37200FF774F /* SupplementaryHeaderViewModel.swift */; };
@@ -50,6 +51,7 @@
 
 /* Begin PBXFileReference section */
 		0B01476E2BBCF0330041D432 /* Collection+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Collection+Extensions.swift"; sourceTree = "<group>"; };
+		0B25D7392BFAD31C00EB3664 /* UICollectionView+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UICollectionView+Extensions.swift"; sourceTree = "<group>"; };
 		0B31B9302BCC5B66006F2078 /* CellEventCoordinator.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CellEventCoordinator.swift; sourceTree = "<group>"; };
 		0B8C6CEB267ED08E0042DFE2 /* SupplementaryViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SupplementaryViewModel.swift; sourceTree = "<group>"; };
 		0BC1EC27267FC37200FF774F /* SupplementaryHeaderViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SupplementaryHeaderViewModel.swift; sourceTree = "<group>"; };
@@ -162,6 +164,7 @@
 				0BC1EC29267FC3A000FF774F /* SupplementaryFooterViewModel.swift */,
 				0BC1EC27267FC37200FF774F /* SupplementaryHeaderViewModel.swift */,
 				0B8C6CEB267ED08E0042DFE2 /* SupplementaryViewModel.swift */,
+				0B25D7392BFAD31C00EB3664 /* UICollectionView+Extensions.swift */,
 				0BC1EC2D267FF46E00FF774F /* ViewRegistration.swift */,
 				0BFA774F2BB92E36009B9C5B /* ViewRegistrationMethod.swift */,
 				0BC1EC2B267FE71900FF774F /* ViewRegistrationProvider.swift */,
@@ -332,6 +335,7 @@
 				0BC1EC2C267FE71900FF774F /* ViewRegistrationProvider.swift in Sources */,
 				88FA49082363A7890061F8B2 /* CollectionViewModel.swift in Sources */,
 				0BFA774E2BB92DC8009B9C5B /* ViewRegistrationViewType.swift in Sources */,
+				0B25D73A2BFAD31C00EB3664 /* UICollectionView+Extensions.swift in Sources */,
 				0B01476F2BBCF0330041D432 /* Collection+Extensions.swift in Sources */,
 				88FA490A2363A7890061F8B2 /* CellViewModel.swift in Sources */,
 				0BC1EC28267FC37200FF774F /* SupplementaryHeaderViewModel.swift in Sources */,

Sources/CollectionViewDriver.swift

@@ -163,7 +163,8 @@ public final class CollectionViewDriver: NSObject {
     private func _cellProvider(
         collectionView: UICollectionView,
         indexPath: IndexPath,
-        identifier: UniqueIdentifier) -> UICollectionViewCell {
+        identifier: UniqueIdentifier
+    ) -> UICollectionViewCell {
         let cell = self.viewModel.cellViewModel(for: identifier)
         precondition(cell != nil, "Inconsistent state. Cell with identifier \(identifier) does not exist.")
         return cell!.dequeueAndConfigureCellFor(collectionView: collectionView, at: indexPath)
@@ -172,7 +173,8 @@ public final class CollectionViewDriver: NSObject {
     private func _supplementaryViewProvider(
         collectionView: UICollectionView,
         elementKind: String,
-        indexPath: IndexPath) -> UICollectionReusableView? {
+        indexPath: IndexPath
+    ) -> UICollectionReusableView? {
         let supplementaryView = self.viewModel.supplementaryViewModel(ofKind: elementKind, at: indexPath)
         return supplementaryView?.dequeueAndConfigureViewFor(collectionView: collectionView, at: indexPath)
     }

Sources/UICollectionView+Extensions.swift

@@ -0,0 +1,23 @@
+//
+//  Created by Jesse Squires
+//  https://www.jessesquires.com
+//
+//  Documentation
+//  https://jessesquires.github.io/ReactiveCollectionsKit
+//
+//  GitHub
+//  https://github.com/jessesquires/ReactiveCollectionsKit
+//
+//  Copyright © 2019-present Jesse Squires
+//
+
+import Foundation
+import UIKit
+
+extension UICollectionView {
+    public func deselectAllItems(animated: Bool = true) {
+        self.indexPathsForSelectedItems?.forEach {
+            self.deselectItem(at: $0, animated: animated)
+        }
+    }
+}