From f42e3e363a75e089d9983b18ab4e3cea5f4de124 Mon Sep 17 00:00:00 2001
From: ldm0 <ldm2993593805@163.com>
Date: Wed, 2 Sep 2026 20:39:44 +0800
Subject: [PATCH] fix(cssom): match empty media query lists

---
 .../src/context_bootstrap/media_queries/evaluation.rs         | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/moli-renderer-v8/src/context_bootstrap/media_queries/evaluation.rs b/moli-renderer-v8/src/context_bootstrap/media_queries/evaluation.rs
index 71cf0eb79f..92162bf7ce 100644
--- a/moli-renderer-v8/src/context_bootstrap/media_queries/evaluation.rs
+++ b/moli-renderer-v8/src/context_bootstrap/media_queries/evaluation.rs
@@ -322,7 +322,7 @@ pub(crate) fn evaluate_match_media_query_list_with_viewport(
     viewport: StyleViewport,
 ) -> bool {
     if query.trim().is_empty() {
-        return false;
+        return true;
     }
     evaluate_media_query_list(query, emulated_media, viewport)
 }
@@ -361,6 +361,8 @@ mod tests {
 
     #[test]
     fn match_media_stylo_evaluates_multiple_conditions_and_not_modifier() {
+        assert!(evaluate_match_media_query_list("", None));
+        assert!(evaluate_match_media_query_list(" \n\t", None));
         assert!(evaluate_match_media_query_list(
             "screen and (orientation: landscape) and (prefers-color-scheme: light)",
             None,