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Generic structures to host previews of UIView and UIViewController subclasses.
import UIKit
#if canImport(SwiftUI) && DEBUG
import SwiftUI
struct UIViewControllerPreview<ViewController: UIViewController>: UIViewControllerRepresentable {
let viewController: ViewController
init(_ builder: @escaping () -> ViewController) {
viewController = builder()
}
// MARK: - UIViewControllerRepresentable
func makeUIViewController(context: Context) -> ViewController {
viewController
}
func updateUIViewController(_ uiViewController: ViewController, context: UIViewControllerRepresentableContext<UIViewControllerPreview<ViewController>>) {
return
}
}
#endif
import UIKit
#if canImport(SwiftUI) && DEBUG
import SwiftUI
struct UIViewPreview<View: UIView>: UIViewRepresentable {
let view: View
init(_ builder: @escaping () -> View) {
view = builder()
}
// MARK: - UIViewRepresentable
func makeUIView(context: Context) -> UIView {
return view
}
func updateUIView(_ view: UIView, context: Context) {
view.setContentHuggingPriority(.defaultHigh, for: .horizontal)
view.setContentHuggingPriority(.defaultHigh, for: .vertical)
}
}
#endif
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