Method onreconnect

packages/socket.io-client/lib/manager.ts:628–633

* Called upon successful reconnect. * * @private

()

   * @private
   */
  private onreconnect(): void {
    const attempt = this.backoff.attempts;
    this._reconnecting = false;
    this.backoff.reset();
    this.emitReserved("reconnect", attempt);
  }
}