From 67fdec20726e48ba3a934cb25bb30d47ec4a4f29 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Yaroslav=20De=20La=20Pe=C3=B1a=20Smirnov?=
 <yaros.rus_89@live.com.mx>
Date: Wed, 29 Nov 2017 11:44:34 +0300
Subject: Initial commit, version 0.5.3

---
 .../engine.io-client/lib/xmlhttprequest.js         | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 node_modules/engine.io-client/lib/xmlhttprequest.js

(limited to 'node_modules/engine.io-client/lib/xmlhttprequest.js')

diff --git a/node_modules/engine.io-client/lib/xmlhttprequest.js b/node_modules/engine.io-client/lib/xmlhttprequest.js
new file mode 100644
index 0000000..d76d9c7
--- /dev/null
+++ b/node_modules/engine.io-client/lib/xmlhttprequest.js
@@ -0,0 +1,37 @@
+// browser shim for xmlhttprequest module
+
+var hasCORS = require('has-cors');
+
+module.exports = function (opts) {
+  var xdomain = opts.xdomain;
+
+  // scheme must be same when usign XDomainRequest
+  // http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx
+  var xscheme = opts.xscheme;
+
+  // XDomainRequest has a flow of not sending cookie, therefore it should be disabled as a default.
+  // https://github.com/Automattic/engine.io-client/pull/217
+  var enablesXDR = opts.enablesXDR;
+
+  // XMLHttpRequest can be disabled on IE
+  try {
+    if ('undefined' !== typeof XMLHttpRequest && (!xdomain || hasCORS)) {
+      return new XMLHttpRequest();
+    }
+  } catch (e) { }
+
+  // Use XDomainRequest for IE8 if enablesXDR is true
+  // because loading bar keeps flashing when using jsonp-polling
+  // https://github.com/yujiosaka/socke.io-ie8-loading-example
+  try {
+    if ('undefined' !== typeof XDomainRequest && !xscheme && enablesXDR) {
+      return new XDomainRequest();
+    }
+  } catch (e) { }
+
+  if (!xdomain) {
+    try {
+      return new global[['Active'].concat('Object').join('X')]('Microsoft.XMLHTTP');
+    } catch (e) { }
+  }
+};
-- 
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