From 2acd9bd45d23838bbee61561aaa05c1443d5ebb0 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Wed, 10 Mar 2021 20:26:53 -0500
Subject: Fix previousStyles being recreated for every transparent element
 (#1512)

---
 ext/js/dom/document-util.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ext/js/dom')

diff --git a/ext/js/dom/document-util.js b/ext/js/dom/document-util.js
index 393ef294..8284ffa5 100644
--- a/ext/js/dom/document-util.js
+++ b/ext/js/dom/document-util.js
@@ -578,7 +578,7 @@ class DocumentUtil {
                     startContinerPre = startContainer;
                 }
 
-                previousStyles = new Map();
+                if (previousStyles === null) { previousStyles = new Map(); }
                 i = this._disableTransparentElement(elements, i, previousStyles);
                 if (i < 0) {
                     return null;
-- 
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