Voice adapter for discord-rose in TypeScript

voiceAdapter.ts

import { GatewayVoiceServerUpdateDispatchData, GatewayVoiceState } from "discord-api-types";

const connection = Voice.joinVoiceChannel({
  channelId: channel.id,
  guildId: channel.guild_id,
  adapterCreator: (methods) => {
    const voiceServerUpdate = (data: GatewayVoiceServerUpdateDispatchData) => {
      methods.onVoiceServerUpdate(data)
    }

    const voiceStateUpdate = (data: GatewayVoiceState) => {
      methods.onVoiceStateUpdate(data)
    }

    this.worker.on('VOICE_SERVER_UPDATE', voiceServerUpdate)
    this.worker.on('VOICE_STATE_UPDATE', voiceStateUpdate)
    
    Voice.entersState(player, Voice.AudioPlayerStatus.Idle, 30e3)
      .then(() => {
        connection.destroy()
      })

    return {
      sendPayload: (data) => {
        // @ts-expect-error ws is a private property
        return this.worker.guildShard(channel.guild_id).ws._send(data)
      },
      destroy: () => {
        this.worker.off('VOICE_SERVER_UPDATE', voiceServerUpdate)
        this.worker.off('VOICE_STATE_UPDATE', voiceStateUpdate)
      }
    }
  }
})