Add a new rule for Synchronous XMLHttpRequest (#178)

* Fix bug in spying function * New rule Synchronous XHR * Add the synchronousXHR rule to the dashboard
2016-07-10 15:11:34 +08:00
parent a9adb3bb06
commit e1316ea48b
7 changed files with 55 additions and 8 deletions
@@ -0,0 +1,30 @@
+/**
+ * Analyzes AJAX requests
+ */
+/* global window: true */
+
+exports.version = '0.2.a';
+
+exports.module = function(phantomas) {
+    'use strict';
+
+    phantomas.setMetric('ajaxRequests'); // @desc number of AJAX requests
+    phantomas.setMetric('synchronousXHR'); // @desc number of synchronous 
+
+    phantomas.on('init', function() {
+        phantomas.evaluate(function() {
+            (function(phantomas) {
+                phantomas.spy(window.XMLHttpRequest.prototype, 'open', null, function(result, method, url, async) {
+                    phantomas.incrMetric('ajaxRequests');
+                    phantomas.addOffender('ajaxRequests', '<%s> [%s]', url, method);
+
+                    if (async === false) {
+                        phantomas.incrMetric('synchronousXHR');
+                        phantomas.addOffender('synchronousXHR', url);
+                        phantomas.log('ajaxRequests: synchronous XMLHttpRequest call to <%s>', url);
+                    }
+                }, true);
+            })(window.__phantomas);
+        });
+    });
+};