[react-packager][streamline oss] Move open sourced JS source to react-native-github

packager/react-packager/example_project/js/XHR.js

@@ -0,0 +1,22 @@
+/**
+ * @providesModule XHR
+ */
+
+function request(method, url, callback) {
+  var xhr = new XMLHttpRequest();
+  xhr.open(method, url);
+  xhr.onreadystatechange = function() {
+    if (xhr.readyState === 4) {
+      if (xhr.status === 200) {
+        callback(null, xhr);
+      } else {
+        callback(new Error('status = ' + xhr.status, xhr));
+      }
+    }
+  };
+  xhr.send();
+}
+
+exports.get = function(url, callback) {
+  request('GET', url, callback);
+};