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Recursive search for the first superview matching certain criteria.
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| extension UIView { | |
| func firstSuperview<T>(where predicate: (T) -> Bool) -> T? where T: UIView { | |
| if let superview = superview as? T, predicate(superview) { | |
| return superview | |
| } | |
| return superview?.firstSuperview(where: predicate) | |
| } | |
| } | |
| // view.firstSuperview(where: { (view: UITableView) in view.isEditing }) |
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