Rounded UIView with shadow and border

RoundedView.swift

//
//  RoundedView.swift
//

@IBDesignable
class RoundedView: UIView {
    private let borderView: UIView = {
        let view = UIView()
        view.translatesAutoresizingMaskIntoConstraints = false
        return view
    }()
    
    @IBInspectable var cornerRadius: Int = 0 {
        didSet {
            layer.cornerRadius = CGFloat(cornerRadius)
            borderView.layer.cornerRadius = CGFloat(cornerRadius)
            borderView.layer.masksToBounds = cornerRadius > 0
        }
    }
    
    @IBInspectable var borderWidth: Int = 0 {
        didSet {
            borderView.layer.borderWidth = CGFloat(borderWidth)
        }
    }
    
    @IBInspectable var borderColor: UIColor = .clear {
        didSet {
            borderView.layer.borderColor = borderColor.cgColor
        }
    }
    
    @IBInspectable var shadowColor: UIColor = .black {
        didSet {
            layer.shadowColor = shadowColor.cgColor
        }
    }
    
    @IBInspectable var shadowRadius: Int = 0 {
        didSet {
            layer.shadowRadius = CGFloat(shadowRadius)
        }
    }
    
    @IBInspectable var shadowOpacity: Float = 0 {
        didSet {
            layer.shadowOpacity = shadowOpacity
        }
    }
    
    @IBInspectable var shadowOffset: CGSize = CGSize(width: 0, height: 0) {
        didSet {
            layer.shadowOffset = shadowOffset
        }
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        layer.shadowPath = UIBezierPath(roundedRect: bounds, cornerRadius: layer.cornerRadius).cgPath
        layer.shouldRasterize = true
        layer.rasterizationScale = UIScreen.main.scale
    }

    override init(frame: CGRect) {
        super.init(frame: frame)
        configure()
    }

    required init?(coder: NSCoder) {
        super.init(coder: coder)
        configure()
    }

    private func configure() {
        translatesAutoresizingMaskIntoConstraints = false
        
        addSubview(borderView)
        
        NSLayoutConstraint.activate([
            borderView.topAnchor.constraint(equalTo: topAnchor),
            borderView.bottomAnchor.constraint(equalTo: bottomAnchor),
            borderView.leftAnchor.constraint(equalTo: leftAnchor),
            borderView.rightAnchor.constraint(equalTo: rightAnchor),
        ])
    }
}