Use PSPDFKit in SwiftUI

PDFView.swift

import SwiftUI
import PSPDFKitUI

struct PDFView: View {
    var url: URL
    var configuration: PSPDFConfiguration?
    
    var body: some View {
        PDFViewController(url, configuration: configuration)
    }
}

#if DEBUG
struct PDFView_Preview: PreviewProvider {
    static var previews: some View {
        PDFView(url: Bundle.main.bundleURL.appendingPathComponent("PSPDFKit 8 QuickStart Guide.pdf"), configuration: PSPDFConfiguration { $0.pageTransition = .scrollPerSpread })
    }
}
#endif

struct PDFViewController: UIViewControllerRepresentable {
    let url: URL
    let configuration: PSPDFConfiguration?

    init(_ url: URL, configuration: PSPDFConfiguration?) {
        self.url = url
        self.configuration = configuration
    }
    
    func makeUIViewController(context: UIViewControllerRepresentableContext<PDFViewController>) -> UINavigationController {
        // Create a PSPDFDocument
        let document = PSPDFDocument(url: url)
        
        // Create the PSPDFViewController
        let pdfController = PSPDFViewController(document: document, configuration: configuration)
        return UINavigationController(rootViewController: pdfController)
    }
    
    func updateUIViewController(_ uiViewController: UINavigationController, context: UIViewControllerRepresentableContext<PDFViewController>) {
        // Update the view controller.
    }
}