LibWeb/CSS: Don't serialize empty rules in CSSStyleRule

This is a recent spec change: https://github.com/w3c/csswg-drafts/pull/10974
Author: https://github.com/ronak69 Commit: 592cf556a1 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/1783 Reviewed-by: https://github.com/AtkinsSJ ✅
2025-08-06 16:19:23 +00:00 · 2024-10-14 09:43:13 +00:00 · 2024-10-14 09:43:13 +00:00 · 592cf556a1 · 2024-10-14 12:44:12 +00:00
commit 592cf556a1
parent 8003d63ff9
1 changed files with 5 additions and 0 deletions
--- a/Userland/Libraries/LibWeb/CSS/CSSStyleRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/CSSStyleRule.cpp
@ -94,6 +94,11 @@ String CSSStyleRule::serialized() const

        // 2. For each rule in rules:
        for (auto& rule : rules) {
+            // * If rule is the empty string, do nothing.
+            if (rule.is_empty())
+                continue;
+
+            // * Otherwise:
            // 1. Append a newline followed by two spaces to s.
            // 2. Append rule to s.
            builder.appendff("\n  {}", rule);