UIButton Control Size for Mac Catalyst

ViewController.swift

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        
        let button = UIButton(type: .system)
        button.role = .primary
        button.controlSize = .large
        button.setTitle("Button", for: .normal)
        button.translatesAutoresizingMaskIntoConstraints = false
        
        view.addSubview(button)
        
        NSLayoutConstraint.activate([
            button.centerXAnchor.constraint(equalTo: view.centerXAnchor),
            button.centerYAnchor.constraint(equalTo: view.centerYAnchor),
            button.widthAnchor.constraint(equalToConstant: 200)
        ])
    }
}

extension UIButton {
    var nsButton: NSObject? {
        let buttonMacVisualElement = subviews.first { view in
            return String(describing: type(of: view)) == "UIButtonMacVisualElement"
        }
        
        let uiNSView = buttonMacVisualElement?.subviews.first { view in
            return String(describing: type(of: view)) == "_UINSView"
        }
        
        return uiNSView?.value(forKey: "contentNSView") as? NSObject
    }
    
    var controlSize: ControlSize {
        get {
            let rawValue = nsButton?.value(forKey: "controlSize") as? Int
            let controlSize = ControlSize(rawValue: rawValue ?? 0) ?? .regular
            
            return controlSize
        } set {
            nsButton?.setValue(newValue.rawValue, forKey: "controlSize")
        }
    }
    
    enum ControlSize: Int {
        case regular = 0
        case small = 1
        case mini = 2
        case large = 3
    }
}