UrlQueryParameters.swift

// Dictionary of the URL's query parameters

extension URL {
    var queryParameters: [String: String]? {
        guard let components = URLComponents(url: self, resolvingAgainstBaseURL: false) else { return nil }
        guard let queryItems = components.queryItems else { return nil }

        var items: [String: String] = [:]

        for queryItem in queryItems {
            items[queryItem.name] = queryItem.value
        }

        return items
    }
}