Function doWrite

packages/engine.io-client/lib/transports/polling-xhr.ts:59–68

* Sends data. * * @param {String} data - data to send. * @param {Function} fn - called upon flush. * @private

(data: string, fn: () => void)

   * @private
   */
  override doWrite(data: string, fn: () => void) {
    const req = this.request({
      method: class="st">"POST",
      data: data,
    });
    req.on(class="st">"success", fn);
    req.on(class="st">"error", (xhrStatus, context) => {
      this.onError(class="st">"xhr post error", xhrStatus, context);
    });
  }

  /**
   * Starts a poll cycle.