Fix linked CSS selector filtering

Resolve pseudo-element selectors to live hosts, reject unresolvable linked CSS findings, and make the regression assertions independent. Also ignore comment delimiters when recovering CSS rule selectors.

AI assistance disclosure: This commit was prepared with Codex under maintainer direction.
This commit is contained in:
Paul Bakaus
2026-09-02 09:51:02 -07:00
parent 0fa4202ca9
commit 95b28ed6d7
6 changed files with 53 additions and 31 deletions
+4 -1
View File
@@ -688,7 +688,10 @@ function enclosingCssSelector(cssText, index) {
// `{` belongs to some other selector.
const closeBeforeIndex = cssText.lastIndexOf('}', index);
if (closeBeforeIndex > open) return null;
const prevClose = Math.max(cssText.lastIndexOf('}', open - 1), cssText.lastIndexOf(';', open - 1));
// Ignore delimiters inside comments when locating the previous declaration.
// Keeping comment length intact preserves indices into the original source.
const beforeOpen = cssText.slice(0, open).replace(/\/\*[\s\S]*?\*\//g, comment => ' '.repeat(comment.length));
const prevClose = Math.max(beforeOpen.lastIndexOf('}'), beforeOpen.lastIndexOf(';'));
const raw = cssText.slice(prevClose + 1, open).replace(/\/\*[\s\S]*?\*\//g, '').trim().replace(/\s+/g, ' ');
if (!raw || raw.startsWith('@') || /^\d/.test(raw) || /[{}<]/.test(raw)) return null;
// Keyframe steps: percentage steps fail the digit test above, but `from`