Anchor relative :has() arguments to their subject - #201
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Tooling update
Rebased onto merged #212 as one commit. Sources and tests use
.mts, Node tests use Vitest, and the published JavaScript paths stay unchanged. The original engine changes are preserved.Local lint, formatting, Node and packed-package checks pass, with the documented expected failures retained. All 41 WPT pages pass against both generated builds.
Change
Extract relative :has() anchoring from #167. Keep explicit :scope tied to the outer query and restore the previous anchor after success or exceptions. Correct the archive implementation by anchoring every comma-separated argument, including later sibling arguments.
Validation: Node checks pass and 69 Chromium comparisons pass across document, element, and detached contexts. Two expected-failure regressions preserve inherited acceptance of nested :has() and pseudo-elements. Public isolation of the private anchor pseudo also needs review before merge.
The root sibling guards discussed in #169 are already in the master base. The top-level splitter is shared with #199; retain one identical helper when combining them. Commands and remaining work are in test/relative-has-testing.md.