UIButton extension - set title to the left and image to the right

buttonExtension.swift

extension UIButton {
    func addRightImage(image: UIImage, offset: CGFloat) {
        self.setImage(image, for: .normal)
        self.translatesAutoresizingMaskIntoConstraints = false
        self.imageView?.translatesAutoresizingMaskIntoConstraints = false
        self.titleLabel?.translatesAutoresizingMaskIntoConstraints = false
        self.imageView?.contentMode = .right
        self.titleLabel?.adjustsFontSizeToFitWidth = false
        self.titleLabel?.leadingAnchor.constraint(equalTo: self.leadingAnchor, constant: offset).isActive = true
        self.imageView?.trailingAnchor.constraint(equalTo: self.trailingAnchor, constant: -offset).isActive = true
        self.titleLabel?.trailingAnchor.constraint(equalTo: self.imageView!.leadingAnchor, constant: 0).isActive = true
    }
}