react-native/ios/Native/Application/Shared/Emitter/EventEmitter.swift

//
//  EventEmitter.swift
//  RNPlayground
//
//  Created by Artur Gurgul on 02/08/2025.
//

import Foundation

protocol MessageEmitter {
  func send(message: String)
}

class NullMessageEmitter: MessageEmitter {
  func send(message: String) {
    print("Warning: Emiter is not ready yet")
  }
}


protocol EventEmitter {
  func send(message: String)
  func register(eventEmitter: Emitter)
}

class DefaultEventEmitter: EventEmitter {
  private var eventEmitter: MessageEmitter = NullMessageEmitter()

  func register(eventEmitter: Emitter) {
    self.eventEmitter = eventEmitter
  }

  func send(message: String) {
    eventEmitter.send(message: message)
  }

  var isReady: Bool {
    return (eventEmitter is NullMessageEmitter) == false
  }
}