1 files changed, 45 insertions, 0 deletions
diff --git a/browser/extensions/webcompat/shims/google-analytics.js b/browser/extensions/webcompat/shims/google-analytics.js
new file mode 100644
index 0000000000..f0162b1f63
--- /dev/null
+++ b/browser/extensions/webcompat/shims/google-analytics.js
@@ -0,0 +1,45 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// based on https://github.com/gorhill/uBlock/blob/8a1a8b103f56e4fcef1264e02dfd718a29bda006/src/web_accessible_resources/google-analytics_analytics.js
+
+"use strict";
+
+if (!window[window.GoogleAnalyticsObject || "ga"]) {
+  function ga() {
+    const len = arguments.length;
+    if (!len) {
+      return;
+    }
+    const args = Array.from(arguments);
+    let fn;
+    let a = args[len - 1];
+    if (a instanceof Object && a.hitCallback instanceof Function) {
+      fn = a.hitCallback;
+    } else {
+      const pos = args.indexOf("hitCallback");
+      if (pos !== -1 && args[pos + 1] instanceof Function) {
+        fn = args[pos + 1];
+      }
+    }
+    if (!(fn instanceof Function)) {
+      return;
+    }
+    try {
+      fn();
+    } catch (_) {}
+  }
+  ga.create = () => {};
+  ga.getByName = () => null;
+  ga.getAll = () => [];
+  ga.remove = () => {};
+  ga.loaded = true;
+
+  const gaName = window.GoogleAnalyticsObject || "ga";
+  window[gaName] = ga;
+}
+
+try {
+  window.dataLayer.hide.end();
+} catch (_) {}