From 76d8b97869e500d5cb07644ec8fb395a8a040b91 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Tue, 10 Jun 2025 14:57:41 -0400
Subject: [PATCH] [mv3] Collect/apply highly generic cosmetic exceptions across
 lists

Related issues:
- https://github.com/uBlockOrigin/uBOL-home/issues/365
- https://github.com/uBlockOrigin/uAssets/issues/28770
- https://github.com/uBlockOrigin/uAssets/issues/28129
---
 platform/mv3/make-rulesets.js | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/platform/mv3/make-rulesets.js b/platform/mv3/make-rulesets.js
index 8a9b0c712..3a5ed2824 100644
--- a/platform/mv3/make-rulesets.js
+++ b/platform/mv3/make-rulesets.js
@@ -854,18 +854,18 @@ async function processGenericHighCosmeticFilters(
             .filter(a => a.key === undefined)
             .map(a => a.selector)
     );
+    // https://github.com/uBlockOrigin/uBOL-home/issues/365
     if ( genericExceptionList ) {
-        const genericExceptionSet = new Set(
-            genericExceptionList
-                .filter(a => a.key === undefined)
-                .map(a => a.selector)
-        );
-        for ( const selector of genericExceptionSet ) {
-            if ( genericSelectorSet.has(selector) === false ) { continue; }
-            genericSelectorSet.delete(selector);
-            log(`\tRemoving excepted highly generic filter ##${selector}`);
+        for ( const entry of genericExceptionList ) {
+            if ( entry.key !== undefined ) { continue; }
+            globalHighlyGenericExceptionSet.add(entry.selector);
         }
     }
+    for ( const selector of globalHighlyGenericExceptionSet ) {
+        if ( genericSelectorSet.has(selector) === false ) { continue; }
+        genericSelectorSet.delete(selector);
+        log(`\tRemoving excepted highly generic filter ##${selector}`);
+    }
     if ( genericSelectorSet.size === 0 ) { return 0; }
     const selectorLists = Array.from(genericSelectorSet).sort().join(',\n');
     const originalScriptletMap = await loadAllSourceScriptlets();
@@ -888,6 +888,8 @@ async function processGenericHighCosmeticFilters(
     return genericSelectorSet.size;
 }
 
+const globalHighlyGenericExceptionSet = new Set();
+
 /******************************************************************************/
 
 // This merges selectors which are used by the same hostnames