func topViewController()

in application/PhotoToSketch/PhotoToSketch/Helpers/PhotoToSketchLoader.swift [32:42]

• 11 lines of code
• 3 McCabe index (conditional complexity)

	func topViewController() -> UIViewController? {
		let keyWindow = UIApplication.shared.windows.filter {$0.isKeyWindow}.first
		if var topController = keyWindow?.rootViewController {
			while let presentedViewController = topController.presentedViewController {
				topController = presentedViewController
			}
			return topController
		} else {
			return nil
		}
	}