node_modules/sockjs-client/lib/transport/htmlfile.js

'use strict';

var inherits = require('inherits')
  , HtmlfileReceiver = require('./receiver/htmlfile')
  , XHRLocalObject = require('./sender/xhr-local')
  , AjaxBasedTransport = require('./lib/ajax-based')
  ;

function HtmlFileTransport(transUrl) {
  if (!HtmlfileReceiver.enabled) {
    throw new Error('Transport created when disabled');
  }
  AjaxBasedTransport.call(this, transUrl, '/htmlfile', HtmlfileReceiver, XHRLocalObject);
}

inherits(HtmlFileTransport, AjaxBasedTransport);

HtmlFileTransport.enabled = function(info) {
  return HtmlfileReceiver.enabled && info.sameOrigin;
};

HtmlFileTransport.transportName = 'htmlfile';
HtmlFileTransport.roundTrips = 2;

module.exports = HtmlFileTransport;