update to swift 4.2

.swift-version

@@ -1 +1 @@
-3.0
+4.2

.travis.yml

@@ -1,10 +1,10 @@
 language: objective-c
 os: osx
-osx_image: xcode8.3
+osx_image: xcode10
 
 script:
 - set -o pipefail 
-- xcodebuild clean test -workspace SFFocusViewLayout.xcworkspace -scheme SFFocusViewLayout -destination "platform=iOS Simulator,name=iPhone 7" -enableCodeCoverage YES | xcpretty
+- xcodebuild -workspace SFFocusViewLayout.xcworkspace -scheme SFFocusViewLayout -configuration Test -sdk iphonesimulator -destination 'platform=iOS Simulator,name=iPhone 7' -enableCodeCoverage YES clean build-for-testing test-without-building | xcpretty
 - pod lib lint --quick
 
 after_success:

CHANGELOG

@@ -1,22 +1,23 @@
 # CHANGELOG
 
+## 3.2.0
+- Swift 4.2 version.
+
 ## 3.1.0
-Swift 3.0 version.
+- Swift 3.0 version.
 
 ## 3.0.0
-Swift 2.1 version.
+- Swift 2.1 version.
 
 ## 2.0.0
-Carthage support.
-Swift compatible.
+- Carthage support.
+- Swift compatible.
 
 ## 1.1.0
-Added Xcode 6.4 support.
+- Added Xcode 6.4 support.
 
 ## 1.0.1
-
-Change pod structure.
+- Change pod structure.
 
 ## 1.0.0
-
-Initial release.
+- Initial release.

Configuration/Common.xcconfig

@@ -27,14 +27,20 @@ CLANG_ENABLE_MODULES = YES
 // Enable ARC
 CLANG_ENABLE_OBJC_ARC = YES
 
+CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES
+
 // Warn about implicit conversions to boolean values that are suspicious.
 // For example, writing 'if (foo)' with 'foo' being the name a function will trigger a warning.
 CLANG_WARN_BOOL_CONVERSION = YES
 
+CLANG_WARN_COMMA = YES
+
 // Warn about implicit conversions of constant values that cause the constant value to change,
 // either through a loss of precision, or entirely in its meaning.
 CLANG_WARN_CONSTANT_CONVERSION = YES
 
+CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES
+
 // Whether to warn when overriding deprecated methods
 CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES
 
@@ -58,9 +64,16 @@ CLANG_WARN_IMPLICIT_SIGN_CONVERSION = NO
 // For example, this can catch issues when one incorrectly intermixes using NSNumbers and raw integers.
 CLANG_WARN_INT_CONVERSION = YES
 
+CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES
+CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
+CLANG_WARN_OBJC_LITERAL_CONVERSION = YES
+
 // Warn about implicit capture of self (e.g. direct ivar access)
 CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
 
+CLANG_WARN_RANGE_LOOP_ANALYSIS = YES
+CLANG_WARN_STRICT_PROTOTYPES = YES
+
 // Don't warn about repeatedly using a weak reference without assigning the weak reference to a strong reference. Too many false positives.
 CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = NO
 

Configuration/Environments/Debug.xcconfig

@@ -44,6 +44,8 @@ SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG
 // final installation location
 STRIP_INSTALLED_PRODUCT = NO
 
+SWIFT_COMPILATION_MODE = singlefile
+
 // The optimization level (-Onone, -O, -Ofast) for the produced Swift binary
 SWIFT_OPTIMIZATION_LEVEL = -Onone
 
@@ -52,3 +54,5 @@ OTHER_CODE_SIGN_FLAGS = --timestamp=none
 
 // Allow @testable imports
 ENABLE_TESTABILITY = YES
+
+DEBUG_INFORMATION_FORMAT = dwarf

Configuration/Framework.xcconfig

@@ -37,11 +37,15 @@ SKIP_INSTALL = YES
 APPLICATION_EXTENSION_API_ONLY = NO
 
 // Configuration swift version
-SWIFT_VERSION = 3.0
+SWIFT_VERSION = 4.2
+
+SWIFT_COMPILATION_MODE = wholemodule
 
 // Always embed Swift std libs
 ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES
 
+SDKROOT = iphoneos
+
 // Universal framework
 SUPPORTED_PLATFORMS                    = iphonesimulator iphoneos appletvos appletvsimulator
 VALID_ARCHS[sdk=iphoneos*]             = arm64 armv7 armv7s
@@ -70,3 +74,7 @@ ENABLE_BITCODE[sdk=appletv*]                  = YES
 
 // iOS-specific deployment target
 IPHONEOS_DEPLOYMENT_TARGET = 8.0
+
+// Product Configuration
+PRODUCT_BUNDLE_IDENTIFIER = com.fdzsergio.SFFocusViewLayout
+PRODUCT_NAME = SFFocusViewLayout

Example/Example.xcodeproj/project.pbxproj

@@ -226,7 +226,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0720;
-				LastUpgradeCheck = 0810;
+				LastUpgradeCheck = 1000;
 				ORGANIZATIONNAME = fdzsergio;
 				TargetAttributes = {
 					E766BCA81C5BEFE20036C384 = {
@@ -329,14 +329,22 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -363,7 +371,7 @@
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0.1;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};
 			name = Debug;
@@ -376,14 +384,22 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -403,7 +419,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 3.0.1;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 			};

Example/Example/AppDelegate.swift

@@ -13,35 +13,13 @@ final class AppDelegate: UIResponder, UIApplicationDelegate {
 
     var window: UIWindow?
 
-
-    func application(_ application: UIApplication, didFinishLaunchingWithOptions
-        launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
+    func application(_ application: UIApplication,
+                     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         window = UIWindow(frame: UIScreen.main.bounds)
         window?.rootViewController = ViewController()
         window?.makeKeyAndVisible()
 
         return true
     }
 
-    func applicationWillResignActive(_ application: UIApplication) {
-
-    }
-
-    func applicationDidEnterBackground(_ application: UIApplication) {
-
-    }
-
-    func applicationWillEnterForeground(_ application: UIApplication) {
-
-    }
-
-    func applicationDidBecomeActive(_ application: UIApplication) {
-
-    }
-
-    func applicationWillTerminate(_ application: UIApplication) {
-
-    }
-
-
 }

Example/Example/CollectionViewCell.swift

@@ -68,4 +68,4 @@ private extension CollectionViewCell {
     }
 }
 
-extension CollectionViewCell : NibLoadableView { }
+extension CollectionViewCell: NibLoadableView {}

Example/Example/Repository.swift

@@ -14,7 +14,7 @@ struct Repository: DataSource {
 }
 
 private extension Repository {
-    
+
     static var resources: [Resource] {
         guard
             let fileURL = Bundle.main
@@ -23,8 +23,8 @@ private extension Repository {
         else {
                 fatalError("resource file not found")
         }
-        
-        return resources.flatMap(Parser.map)
+
+        return resources.compactMap(Parser.map)
     }
 
     private struct Constant {

Example/Example/ReusableView.swift

@@ -34,18 +34,18 @@ extension UICollectionViewCell: ReusableView { }
 
 extension UICollectionView {
 
-    func register<T: UICollectionViewCell>(_: T.Type) where T: ReusableView {
+    func register<T: UICollectionViewCell>(_: T.Type) {
         self.register(T.self, forCellWithReuseIdentifier: T.defaultReuseIdentifier)
     }
 
-    func register<T: UICollectionViewCell>(_: T.Type) where T: ReusableView, T: NibLoadableView {
+    func register<T: UICollectionViewCell>(_: T.Type) where T: NibLoadableView {
         let bundle = Bundle(for: T.self)
         let nib = UINib(nibName: T.nibName, bundle: bundle)
 
         self.register(nib, forCellWithReuseIdentifier: T.defaultReuseIdentifier)
     }
 
-    func dequeueReusableCell<T: UICollectionViewCell>(forIndexPath indexPath: IndexPath) -> T where T: ReusableView {
+    func dequeueReusableCell<T: UICollectionViewCell>(forIndexPath indexPath: IndexPath) -> T {
         let reuseIdentifier = T.defaultReuseIdentifier
         guard
             let cell = self.dequeueReusableCell(withReuseIdentifier: reuseIdentifier, for: indexPath) as? T

Example/Example/ViewController.swift

@@ -24,15 +24,15 @@ final class ViewController: UIViewController {
 
         collectionView.register(CollectionViewCell.self)
 
-        collectionView.decelerationRate = UIScrollViewDecelerationRateFast
+        collectionView.decelerationRate = .fast
         collectionView.backgroundColor = UIColor(red: 51/255, green: 55/255, blue: 61/255, alpha: 1)
     }
 
     override func didReceiveMemoryWarning() {
         super.didReceiveMemoryWarning()
     }
 
-    override var preferredStatusBarStyle : UIStatusBarStyle {
+    override var preferredStatusBarStyle: UIStatusBarStyle {
         return .lightContent
     }
 }
@@ -43,12 +43,14 @@ extension ViewController: UICollectionViewDataSource {
         return repository.count
     }
 
-    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
+    func collectionView(_ collectionView: UICollectionView,
+                        cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
         return collectionView.dequeueReusableCell(forIndexPath: indexPath) as CollectionViewCell
     }
 
-    func collectionView(_ collectionView: UICollectionView, willDisplay cell: UICollectionViewCell, forItemAt indexPath: IndexPath) {
-
+    func collectionView(_ collectionView: UICollectionView,
+                        willDisplay cell: UICollectionViewCell,
+                        forItemAt indexPath: IndexPath) {
         guard
             let cell = cell as? CollectionViewCellInterface
         else {

README.md

@@ -2,7 +2,7 @@
 
 [![Travis CI](https://travis-ci.org/fdzsergio/SFFocusViewLayout.svg?branch=master)](https://travis-ci.org/fdzsergio/SFFocusViewLayout)
 [![codecov.io](https://codecov.io/github/fdzsergio/SFFocusViewLayout/coverage.svg?branch=master)](https://codecov.io/github/fdzsergio/SFFocusViewLayout?branch=master)
-[![Swift Version](https://img.shields.io/badge/Swift-3.1.x-orange.svg)]()
+[![Swift Version](https://img.shields.io/badge/Swift-4.2.x-orange.svg)]()
 [![Version](https://img.shields.io/cocoapods/v/SFFocusViewLayout.svg?style=flat)](http://cocoapods.org/pods/SFFocusViewLayout)
 [![Swift Package Manager compatible](https://img.shields.io/badge/Swift%20Package%20Manager-compatible-brightgreen.svg)](https://github.com/apple/swift-package-manager)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)

SFFocusViewLayout.podspec

@@ -1,26 +1,28 @@
 Pod::Spec.new do |s|
-  s.name             = "SFFocusViewLayout"
-  s.version          = "3.1.0"
-  s.summary          = "UICollectionViewLayout subclass with focused content."
+  s.name             = 'SFFocusViewLayout'
+  s.version          = '3.2.0'
+  s.summary          = 'UICollectionViewLayout subclass with focused content.'
 
   s.description      = <<-DESC
                           SFFocusViewLayout is a UICollectionViewLayout subclass 
                           for displaying focused content on UICollectionView which
                           is the largest cell of all.
                        DESC
 
-  s.homepage         = "https://github.com/fdzsergio/SFFocusViewLayout"
-  s.screenshots      = "https://raw.githubusercontent.com/fdzsergio/SFFocusViewLayout/master/Screenshots/SFFocusViewLayout.gif"
+  s.homepage         = 'https://github.com/fdzsergio/SFFocusViewLayout'
+  s.screenshots      = 'https://raw.githubusercontent.com/fdzsergio/SFFocusViewLayout/master/Screenshots/SFFocusViewLayout.gif'
   s.license          = { :type => 'MIT', :file => 'LICENSE' }
-  s.author           = { "Sergio Fernández" => "fdz.sergio@gmail.com" }
-  s.source           = { :git => "https://github.com/fdzsergio/SFFocusViewLayout.git", :tag => s.version.to_s }
+  s.author           = { 'Sergio Fernández' => 'fdz.sergio@gmail.com' }
+  s.source           = { :git => 'https://github.com/fdzsergio/SFFocusViewLayout.git', :tag => s.version.to_s }
   s.social_media_url = 'https://twitter.com/fdzsergio'
 
   s.platform     = :ios, '8.0'
-  s.requires_arc = true
+  s.ios.deployment_target = '8.0'
 
-  s.source_files = 'Source/*.swift'
   s.frameworks = 'UIKit'
+  s.requires_arc = true
+
+  s.swift_version = '4.2'
+  s.source_files = 'Source/*.swift'  
 
-  s.ios.deployment_target = '8.0'
 end