First commit

hGameTest/node_modules/sockjs-client/lib/transport/xhr-polling.js

@@ -0,0 +1,33 @@
+'use strict';
+
+var inherits = require('inherits')
+  , AjaxBasedTransport = require('./lib/ajax-based')
+  , XhrReceiver = require('./receiver/xhr')
+  , XHRCorsObject = require('./sender/xhr-cors')
+  , XHRLocalObject = require('./sender/xhr-local')
+  ;
+
+function XhrPollingTransport(transUrl) {
+  if (!XHRLocalObject.enabled && !XHRCorsObject.enabled) {
+    throw new Error('Transport created when disabled');
+  }
+  AjaxBasedTransport.call(this, transUrl, '/xhr', XhrReceiver, XHRCorsObject);
+}
+
+inherits(XhrPollingTransport, AjaxBasedTransport);
+
+XhrPollingTransport.enabled = function(info) {
+  if (info.nullOrigin) {
+    return false;
+  }
+
+  if (XHRLocalObject.enabled && info.sameOrigin) {
+    return true;
+  }
+  return XHRCorsObject.enabled;
+};
+
+XhrPollingTransport.transportName = 'xhr-polling';
+XhrPollingTransport.roundTrips = 2; // preflight, ajax
+
+module.exports = XhrPollingTransport;