UIDeviceExtension

UIDeviceExtension.swift

extension UIDevice
{

var deviceType: DeviceType? {
    #if targetEnvironment(macCatalyst)
        return .mac
    #else
    switch UIDevice.current.userInterfaceIdiom
    {
    case .phone:
        return .phone
    case .pad:
        return .pad
    default:
        return nil
    }
    #endif
}
}