Set Border + Corner Radius for View

UIView+IBInspectable.swift

extension UIView {
  
  @IBInspectable
  var cornerRadius: CGFloat {
    get {
      return layer.cornerRadius
    }
    set {
      layer.cornerRadius = newValue
    }
  }
  
  @IBInspectable
  var borderWidth: CGFloat {
    get {
      return layer.borderWidth
    }
    set {
      layer.borderWidth = newValue
    }
  }
  
  @IBInspectable
  var borderColor: UIColor? {
    get {
      guard let color = layer.borderColor else { return nil }
      return UIColor(CGColor: color)
    }
    set {
      layer.borderColor = newValue?.CGColor
    }
  }
}