Added button handler compatibility pre-iOS 14

Author: rwbutler

Example/Pods/Pods.xcodeproj/project.pbxproj

@@ -0,0 +1,45 @@
+//
+//  UIControl.swift
+//  FeatureFlags
+//
+//  Created by Ross Butler on 22/03/2023.
+//
+
+import Foundation
+import ObjectiveC
+
+public extension NSObject {
+    func associatedObject<T>(key: UnsafeRawPointer, makeDefault: () -> T) -> T {
+        if let result = objc_getAssociatedObject(self, key) as? T {
+            return result
+        }
+        let result = makeDefault()
+        objc_setAssociatedObject(self, key, result, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
+        return result
+    }
+}
+
+public func configure<T>(_ value: T, using closure: (inout T) throws -> Void) rethrows -> T {
+    var value = value
+    try closure(&value)
+    return value
+}
+
+public final class TouchActionHandler: NSObject {
+    public var action: () -> Void = {}
+    @objc func didTouch() {
+        action()
+    }
+}
+
+private var touchUpInsideHandlerKey: Int?
+
+public extension UIControl {
+    var touchUpInside: TouchActionHandler {
+        associatedObject(key: &touchUpInsideHandlerKey) {
+            configure(TouchActionHandler()) {
+                self.addTarget($0, action: #selector(TouchActionHandler.didTouch), for: .touchUpInside)
+            }
+        }
+    }
+}

FeatureFlags/Classes/UI/Feature Flags/Shared/UIControl.swift

@@ -9,14 +9,6 @@
 import Foundation
 import UIKit
 
-extension UIControl {
-    func addAction(for controlEvents: UIControl.Event = .touchUpInside, _ closure: @escaping()->()) {
-        if #available(iOSApplicationExtension 14.0, *) {
-            addAction(UIAction { (action: UIAction) in closure() }, for: controlEvents)
-        }
-    }
-}
-
 class FeatureFlagsViewController: UITableViewController {
 
     // MARK: Type definitions
@@ -57,7 +49,7 @@ class FeatureFlagsViewController: UITableViewController {
     }
 
     private func bindCell(_ cell: FeatureFlagTableViewCell, feature: Feature) -> FeatureFlagTableViewCell {
-        cell.featureDetailButton.addAction {
+        cell.featureDetailButton.touchUpInside.action = {
             let viewController = FeatureDetailsViewController(style: .grouped)
             viewController.feature = feature
             self.navigationController?.pushViewController(viewController, animated: true)