MyScrollView2.swift

struct MyScrollView<Content: View>: UIViewRepresentable {
    let axis: Axis
    @ViewBuilder let content: () -> Content

    class Coordinator: NSObject, UIScrollViewDelegate {
        var hostingController: UIHostingController<Content>?
    }

    func makeCoordinator() -> Coordinator {
        Coordinator()
    }

    func makeUIView(context: Context) -> UIScrollView {
        let scrollView = UIScrollView()
        scrollView.delegate = context.coordinator
        scrollView.contentInsetAdjustmentBehavior = .never

        let hostingController = UIHostingController(rootView: content())
        context.coordinator.hostingController = hostingController
        if let contentView = hostingController.view {
            contentView.backgroundColor = .clear
            scrollView.addSubview(contentView)

            contentView.translatesAutoresizingMaskIntoConstraints = false
            NSLayoutConstraint.activate([
                contentView.topAnchor.constraint(equalTo: scrollView.topAnchor),
                contentView.leftAnchor.constraint(equalTo: scrollView.leftAnchor),
                contentView.bottomAnchor.constraint(equalTo: scrollView.bottomAnchor),
                contentView.rightAnchor.constraint(equalTo: scrollView.rightAnchor)
            ])
            switch axis {
            case .vertical:
                NSLayoutConstraint.activate([
                    contentView.widthAnchor.constraint(equalTo: scrollView.widthAnchor)
                ])
            case .horizontal:
                NSLayoutConstraint.activate([
                    contentView.heightAnchor.constraint(equalTo: scrollView.heightAnchor)
                ])
            }
        }

        return scrollView
    }

    func updateUIView(_ uiView: UIScrollView, context: Context) {
    }
}