Traverse.swift

func traverse(dictionary: [String : Any], parent: String) -> String {
      if dictionary.keys.contains("type") {
          let type = dictionary["type"] as! String
          let tokenType: TokenType = TokenType(value: type)
          switch tokenType {
            case .color:
                let value = dictionary["value"] as! String
                let variableValue =  "UIColor.hexColor(\"\(value)\") ?? .black"
                return createVariable(dataType: tokenType.dataType, variableName: parent.camelCased(with: "."), value: variableValue)
            case .typography:
                let fontName = dictionary["fontName"] as! String
                let size = dictionary["size"] as! String
                let value = "UIFont(name: \"\(fontName)\", size: \(size)) ?? .systemFont(ofSize: \(size))"
                return createVariable(dataType: tokenType.dataType, variableName: parent.camelCased(with: "."), value: value)
            case .any:
                return ""
            }
        }
        
      var contentArray: [String] = []
      for tokenDictionary in dictionary {
          let tokenValue: [String : Any] = tokenDictionary.value as! [String : Any]
          let childParent: String = tokenDictionary.key.appending(".")
          let parent: String = parent.appending(childParent)
          contentArray.append(traverse(dictionary: tokenValue, parent: parent))
      }
        
      return contentArray.joined(separator: "\n")
}

var tokenExtensionArray: [String] = []
for tokenDictionary in dictionary {
  let tokenValue: [String : Any] = tokenDictionary.value as! [String : Any]
  let extensionContent = traverse(dictionary: tokenValue, parent: "")
  tokenExtensionArray.append(createExtension(from: TokenType(value: tokenDictionary.key.lowercased()), content: extensionContent))
}

let tokenExtension =
  """
  import UIKit
        
      \(tokenExtensionArray.joined(separator: "\n"))
  """