Method cleanup

packages/socket.io-client/lib/manager.ts:518–525

* Clean up transport subscriptions and packet buffer. * * @private

()

   * @private
   */
  private cleanup(): void {
    debug(class="st">"cleanup");

    this.subs.forEach((subDestroy) => subDestroy());
    this.subs.length = 0;

    this.decoder.destroy();
  }

  /**
   * Close the current socket.