Check if UILabel is truncated

UILabel+isTruncated.swift

extension UILabel {
    var isTruncated: Bool {
        guard let labelText = text else {
            return false
        }

        let labelTextSize = (labelText as NSString).boundingRect(
            with: CGSize(width: frame.size.width, height: .greatestFiniteMagnitude),
            options: .usesLineFragmentOrigin,
            attributes: [.font: font!],
            context: nil).size

        // check if the text height is taller than the label frame height
        // if yes, means its truncated
        return labelTextSize.height > bounds.size.height
    }
}