refactor

Sources/TouchTracker/Extension/UIWindow+.swift

@@ -45,20 +45,19 @@ extension UIWindow {
  return true
  }
  .forEach { view in
- let touches = event.allTouches
- touches?.forEach { touch in
- switch touch.phase {
- case .began:
- view.touchesBegan(Set([touch]), with: event)
- case .moved:
- view.touchesMoved(Set([touch]), with: event)
- case .ended:
- view.touchesEnded(Set([touch]), with: event)
- case .cancelled:
- view.touchesCancelled(Set([touch]), with: event)
- default:
- break
- }
+ guard let touches = event.allTouches else { return }
+ let began = touches.filter { $0.phase == .began }
+ let moved = touches.filter { $0.phase == .moved }
+ let ended = touches.filter { $0.phase == .cancelled || $0.phase == .ended }
+
+ if !began.isEmpty {
+ view.touchesBegan(began, with: event)
+ }
+ if !moved.isEmpty {
+ view.touchesMoved(moved, with: event)
+ }
+ if !ended.isEmpty {
+ view.touchesEnded(ended, with: event)
  }
  }
  }