converts dictionary to JSON

DictionaryToJSON.swift

//
//  main.swift
//  swift challenges
//
//  Created by Filipp Mikheev on 11.07.22.
//

import Foundation

extension Dictionary where Key == String, Value == Any {
    var stringified: String? {
        do {
            let data = try JSONSerialization.data(
                withJSONObject: self,
                options: .fragmentsAllowed
            )
            guard let result = String(data: data, encoding: .ascii) else {
                return nil
            }
            return result
        } catch let err {
            print("😱 error with \(#function): \(err.localizedDescription)")
            return nil
        }
    }
}

var dictionary: [String: Any] = ["a1":"123", "a2":"234", "a3": ["a31":"345", "a32":"456"]]

print(dictionary.stringified ?? "")