Función para realizar una petición al servicio de swapi

getRemoteInfo.swift

// Función original
func getRemoteInfo(success: @escaping([String: Any]) -> Void, fail: @escaping(Error) -> Void ) {
    let url = URL(string: "http://swapi.co/api/people/1/")!
    var request = URLRequest(url: url)
    request.httpMethod = "GET"
    let sessionConf = URLSessionConfiguration.default
    let urlSession = URLSession(
        configuration: sessionConf,
        delegate: nil,
        delegateQueue: nil
    )
    let dataTask = urlSession.dataTask(
        with: request as URLRequest,
        completionHandler: {(data: Data?, response: URLResponse?, error) in
            guard let data = data, error == nil else {
                print("Error: \(error!.localizedDescription)")
                fail(error!.localizedDescription as! Error)
                return
            }
            if let httpStatus = response as? HTTPURLResponse {
                if httpStatus.statusCode == 200 {
                   guard let json = try? JSONSerialization.jsonObject(with: data, options: JSONSerialization.ReadingOptions.mutableContainers) as! [String: Any] else {
                       print("Not containing JSON")
                       return
                   }
                   success(json)
                }
            }
    })
    dataTask.resume()
}

getRemoteInfo(success: { data in
    print("name: ", data["name"]!) // Retornará el valor de la llave "name" que es "Luke Skywalker"
}, fail: {
    print("fail: ", error) // Retornará un error del servicio
})