gistfile1.swift

import Foundation

extension URLSession {
    private func convert<Value>(_ work: (@escaping (Value?, URLResponse?, Error?) -> Void) -> Void) async throws -> (Value, URLResponse) {
        try await withCheckedThrowingContinuation { continuation in
            work { value, response, error in
                continuation.resume(with: Result {
                    guard let value = value, let response = response else {
                        throw error ?? URLError(.badServerResponse)
                    }
                    return (value, response)
                })
            }
        }
    }
    
    @available(iOS, deprecated: 15.0, message: "Use the built-in API instead.")
    func data(from url: URL) async throws -> (Data, URLResponse) {
        try await convert { completion in
            self.dataTask(with: url, completionHandler: completion).resume()
        }
    }
    
    @available(iOS, deprecated: 15.0, message: "Use the built-in API instead.")
    func data(for request: URLRequest) async throws -> (Data, URLResponse) {
        try await convert { completion in
            self.dataTask(with: request, completionHandler: completion).resume()
        }
    }
    
    @available(iOS, deprecated: 15.0, message: "Use the built-in API instead.")
    func upload(for request: URLRequest, fromFile fileURL: URL) async throws -> (Data, URLResponse) {
        try await convert { completion in
            self.uploadTask(with: request, fromFile: fileURL, completionHandler: completion).resume()
        }
    }
    
    @available(iOS, deprecated: 15.0, message: "Use the built-in API instead.")
    func upload(for request: URLRequest, from bodyData: Data) async throws -> (Data, URLResponse) {
        try await convert { completion in
            self.uploadTask(with: request, from: bodyData, completionHandler: completion).resume()
        }
    }
    
    @available(iOS, deprecated: 15.0, message: "Use the built-in API instead.")
    func download(for request: URLRequest) async throws -> (URL, URLResponse) {
        try await convert { completion in
            self.downloadTask(with: request, completionHandler: completion).resume()
        }
    }
    
    @available(iOS, deprecated: 15.0, message: "Use the built-in API instead.")
    func download(from url: URL) async throws -> (URL, URLResponse) {
        try await convert { completion in
            self.downloadTask(with: url, completionHandler: completion).resume()
        }
    }
    
    @available(iOS, deprecated: 15.0, message: "Use the built-in API instead.")
    func download(resumeFrom resumeData: Data) async throws -> (URL, URLResponse) {
        try await convert { completion in
            self.downloadTask(withResumeData: resumeData, completionHandler: completion).resume()
        }
    }
}