UITextView subclass with padding

UITextView+padding.swift

@IBDesignable
class TextViewWithPadding: UITextView {
    
    @IBInspectable var paddingLeft: CGFloat = 0.0 {
        didSet {
            updateInsets()
        }
    }
    @IBInspectable var paddingRight: CGFloat = 0.0 {
           didSet {
               updateInsets()
           }
       }
    @IBInspectable var paddingTop: CGFloat = 0.0 {
           didSet {
               updateInsets()
           }
       }
    @IBInspectable var paddingBottom: CGFloat = 0.0 {
           didSet {
               updateInsets()
           }
       }
    
    required init?(coder aDecoder: NSCoder) {
      super.init(coder: aDecoder)
      updateInsets()
    }
    
    func updateInsets() {
        textContainerInset = UIEdgeInsets(top: paddingTop, left: paddingLeft, bottom: paddingBottom, right: paddingRight)
    }
}