UIButton with Text Positioned under an image

UIButton+alignTextUnderImage

import UIKit

// https://stackoverflow.com/questions/37915212/storyboard-positioning-text-below-image-inside-a-button/37915362
public extension UIButton
{
    
    func alignTextUnderImage(spacing: CGFloat = 6.0)
    {
        if let image = self.imageView?.image
        {
            let imageSize: CGSize = image.size
            self.titleEdgeInsets = UIEdgeInsets(top: spacing, left: -imageSize.width, bottom: -(imageSize.height), right: 0.0)
            let labelString = NSString(string: self.titleLabel!.text!)
            let titleSize = labelString.size(withAttributes: [NSAttributedString.Key.font: self.titleLabel!.font as Any])
            self.imageEdgeInsets = UIEdgeInsets(top: -(titleSize.height + spacing), left: 0.0, bottom: 0.0, right: -titleSize.width)
        }
    }
}