From f51a4c79db09913b8705391b7da481c31959ab2f Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Sun, 13 Apr 2025 09:02:12 -0400
Subject: [PATCH] [mv3] Determine "genericity" on a per-cosmetic filter basis

Related issue:
https://github.com/uBlockOrigin/uBOL-home/issues/328
---
 src/js/static-dnr-filtering.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/js/static-dnr-filtering.js b/src/js/static-dnr-filtering.js
index b097e51d3..df23d863c 100644
--- a/src/js/static-dnr-filtering.js
+++ b/src/js/static-dnr-filtering.js
@@ -222,6 +222,7 @@ function addExtendedToDNR(context, parser) {
         return;
     }
     let details = context.specificCosmeticFilters.get(compiled);
+    let isGeneric = true;
     for ( const { hn, not, bad } of parser.getExtFilterDomainIterator() ) {
         if ( bad ) { continue; }
         if ( not && exception ) { continue; }
@@ -247,14 +248,14 @@ function addExtendedToDNR(context, parser) {
             details.matches = [ '*' ];
             continue;
         }
+        isGeneric = false;
         details.matches.push(hn);
     }
     if ( details === undefined ) { return; }
     if ( exception ) { return; }
     if ( compiled.startsWith('{') ) { return; }
-    if ( details.matches === undefined || details.matches.includes('*') ) {
+    if ( isGeneric ) {
         addGenericCosmeticFilter(context, compiled, false);
-        details.matches = undefined;
     }
 }