UIView+extension.swift

extension UIView {
    var recursiveSubviews: [UIView] {
        subviews + subviews.flatMap(\.recursiveSubviews)
    }

    func printViewHierarchy(depth: Int = 0) {
        for subview in subviews {
            print("\(String(repeating: "  ", count: depth))- \(String(describing: type(of: subview)))")
            subview.printViewHierarchy(depth: depth + 1)
        }
    }
}