Server : nginx/1.18.0 System : Linux localhost 6.14.3-x86_64-linode168 #1 SMP PREEMPT_DYNAMIC Mon Apr 21 19:47:55 EDT 2025 x86_64 User : www-data ( 33) PHP Version : 8.0.16 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /var/www/ecommerce/node_modules/sockjs-client/lib/transport/

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'use strict';

var inherits = require('inherits')
  , AjaxBasedTransport = require('./lib/ajax-based')
  , XhrReceiver = require('./receiver/xhr')
  , XDRObject = require('./sender/xdr')
  ;

// According to:
//   http://stackoverflow.com/questions/1641507/detect-browser-support-for-cross-domain-xmlhttprequests
//   http://hacks.mozilla.org/2009/07/cross-site-xmlhttprequest-with-cors/

function XdrStreamingTransport(transUrl) {
  if (!XDRObject.enabled) {
    throw new Error('Transport created when disabled');
  }
  AjaxBasedTransport.call(this, transUrl, '/xhr_streaming', XhrReceiver, XDRObject);
}

inherits(XdrStreamingTransport, AjaxBasedTransport);

XdrStreamingTransport.enabled = function(info) {
  if (info.cookie_needed || info.nullOrigin) {
    return false;
  }
  return XDRObject.enabled && info.sameScheme;
};

XdrStreamingTransport.transportName = 'xdr-streaming';
XdrStreamingTransport.roundTrips = 2; // preflight, ajax

module.exports = XdrStreamingTransport;