import SwiftUI // All backport view/scene modifiers go as an extension on this. We use this // so we can easily track and centralize all backports. struct Backport { let content: Content } extension View { var backport: Backport { Backport(content: self) } } extension Scene { var backport: Backport { Backport(content: self) } } extension Backport where Content: Scene { func defaultSize(width: CGFloat, height: CGFloat) -> some Scene { if #available(macOS 13, *) { return content.defaultSize(width: width, height: height) } else { return content } } }