From 56b8201196a02e4d6c31bce7c168ad1c961ed63e Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Thu, 23 Mar 2023 14:57:31 -0400
Subject: [PATCH] Ensure astSelectorsFromSelectorList receive expected
 arguments

Related issue:
- https://github.com/uBlockOrigin/uBlock-issues/issues/2554
---
 src/js/static-filtering-parser.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/js/static-filtering-parser.js b/src/js/static-filtering-parser.js
index 8c1bacdde..8844d544c 100644
--- a/src/js/static-filtering-parser.js
+++ b/src/js/static-filtering-parser.js
@@ -3348,6 +3348,7 @@ class ExtSelectorCompiler {
     }
 
     astSelectorsFromSelectorList(args) {
+        if ( Array.isArray(args) === false ) { return; }
         if ( args.length < 3 ) { return; }
         if ( args[0].data instanceof Object === false ) { return; }
         if ( args[0].data.type !== 'SelectorList' ) { return; }