From 160ddc8567c60493ea077033aa44e1f4139fec41 Mon Sep 17 00:00:00 2001
From: remi-filament <30716308+remi-filament@users.noreply.github.com>
Date: Mon, 5 Feb 2018 20:21:45 +0100
Subject: [FIX] web_editor: correct check of property 'rules'

Port of PR #22603 from v9 to v10
See Issue #22517

 (#22679)
---
 addons/web_editor/static/src/js/transcoder.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'addons/web_editor/static/src/js/transcoder.js')

diff --git a/addons/web_editor/static/src/js/transcoder.js b/addons/web_editor/static/src/js/transcoder.js
index 6b42e028b3a..265ca5ab3f0 100644
--- a/addons/web_editor/static/src/js/transcoder.js
+++ b/addons/web_editor/static/src/js/transcoder.js
@@ -9,7 +9,7 @@ var getMatchedCSSRules = function (a) {
         var sheets = document.styleSheets;
         for(var i = sheets.length-1; i >= 0 ; i--) {
             var rules;
-            if (sheets[i].rules) {
+            if (sheets[i].hasOwnProperty('rules')) {
                 rules = sheets[i].rules;
             } else {
                 //try...catch because Firefox not able to enumerate document.styleSheets[].cssRules[] for cross-domain stylesheets.
-- 
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