import Foundation

extension Array: RawRepresentable where Element: Codable {
  public init?(rawValue: String) {
    guard let data = rawValue.data(using: .utf8),
          let result = try? JSONDecoder().decode([Element].self, from: data)
    else {
      return nil
    }
    self = result
  }

  public var rawValue: String {
    guard let data = try? JSONEncoder().encode(self),
          let result = String(data: data, encoding: .utf8)
    else {
      return "[]"
    }
    return result
  }
}