From 581e9a1c0c96b0bac33c29b20bdd37006d077365 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Mon, 14 Jun 2021 07:36:49 -0400
Subject: [PATCH] Also process existing pending callbacks

Related issue:
- https://github.com/uBlockOrigin/uBlock-issues/issues/1629
---
 .../google-analytics_analytics.js                  | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/web_accessible_resources/google-analytics_analytics.js b/src/web_accessible_resources/google-analytics_analytics.js
index 7ae84ff0f..aa4668bf0 100644
--- a/src/web_accessible_resources/google-analytics_analytics.js
+++ b/src/web_accessible_resources/google-analytics_analytics.js
@@ -79,11 +79,17 @@
             dl.hide.end();
         }
         if ( typeof dl.push === 'function' ) {
-            dl.push = function(o) {
-                if ( o instanceof Object && typeof o.eventCallback === 'function' ) {
-                    setTimeout(o.eventCallback, 1);
-                }
+            const doCallback = function(item) {
+                if ( item instanceof Object === false ) { return; }
+                if ( typeof item.eventCallback !== 'function' ) { return; }
+                setTimeout(item.eventCallback, 1);
             };
+            if ( Array.isArray(dl) ) {
+                for ( const item of dl ) {
+                    doCallback(item);
+                }
+            }
+            dl.push = item => doCallback(item);
         }
     }
     // empty ga queue