AudioManager.swift

// AudioManager.swift

import Foundation

@objc(AudioManager)
class AudioManager: RCTEventEmitter {
  // ...
  @objc func setPlaying(_ shouldPlay: Bool,
                      resolver resolve: RCTPromiseResolveBlock,
                      rejecter reject: RCTPromiseRejectBlock) -> Void {
    let isPlaying = setPlaying(shouldPlay)
    resolve(isPlaying)
  }
  // ...
}