Swift Dictionary + Encodable extensions

dictionary.json.extensions.swift

/// Source: https://stackoverflow.com/questions/45209743/how-can-i-use-swift-s-codable-to-encode-into-a-dictionary
extension Encodable {
  
    /// Converts an Encodable entity to it's Dictionary representation (throwable)
    func asDictionary() throws -> [String: Any] {
        let data = try JSONEncoder().encode(self)
        guard let dictionary = try JSONSerialization.jsonObject(with: data, options: .allowFragments) as? [String: Any] else {
            throw NSError()
        }
        return dictionary
    }

    /// Converts an Encodable entity to it's Dictionary representation, returns nil otherwise
    var dictionary: [String: Any]? {
        guard let data = try? JSONEncoder().encode(self) else { return nil }
        return (try? JSONSerialization.jsonObject(with: data, options: .allowFragments)).flatMap { $0 as? [String: Any] }
    }
}

extension Dictionary where Key == String, Value == Any {

    /// Pretty prints a Dictionary
    func prettyPrint() {
        print(self.prettify())
    }

    /// Source: https://gist.github.com/Edudjr/e8464ccad4f8fa94afdfed84bb7d4882
    func prettify() -> String {
        var string: String = ""
        if let data = try? JSONSerialization.data(withJSONObject: self, options: .prettyPrinted){
            if let nstr = NSString(data: data, encoding: String.Encoding.utf8.rawValue){
                string = nstr as String
            }
        }
        return string
    }
}