Method doClose

packages/engine.io/lib/transports-uws/websocket.ts:77–82

* Closes the transport. * * @private

(fn)

   * @private
   */
  doClose(fn) {
    debug("closing");
    fn && fn();
    // call fn first since socket.end() immediately emits a "close" event
    this.socket.end();
  }
}