WebF Files

Major Features

• CSSOM: expose Dart CSSOM via document.styleSheets, including CSSStyleSheet/CSSRule bindings (insert/delete/replace) that keep rule sets in sync and trigger style updates when Blink CSS is disabled (#838).
• CSS/Cascade Layers: implement cascade layer parsing and ordering for Dart CSS (inline + @media + @layer + CSSOM), improving specificity tracking, rule collection, and selector matching (#838).
• CSS/Selectors: support selector-list parsing/matching and route Element.matches() / Element.closest() through selector-list utilities when the Blink backend is enabled (#836, [#838]).
• Native UIs: add webf_shadcn_ui components and webf_lucide_icons icon library with generated bindings and showcases (#834).
• Tooling/Codegen: fix Dart binding method generation and add Jest coverage for generator output (Dart interface/method bindings).

Performance Improvements

• Bridge/CSS: avoid Dart/FFI round-trips during attribute selector matching (read attributes from native DOM storage), add nth-index caching, and improve SelectorFilter prefiltering for large DOM trees/long lists (#836).

Bug Fixes

• CSS/Selectors: fix :nth-* pseudo matching for detached elements in the Dart selector engine.
• DOM/Query: use Blink traversal for getElementsByClassName() / getElementsByTagName() when Blink backend is enabled (including '*' wildcard and ASCII case-insensitive tag matching) (#836).
• CSS/Fonts: relayout after @font-face registration to trigger font loading and repaint updates (#838).
• CSS/Gap: ignore invalid gap assignments (#838).
• Flexbox: normalize WebkitAlignItems to align-items for correct flex relayout (#838).
• Transitions: preserve CSS transitions during Blink style synchronization (#838).
• Transforms: fix percentage translate reset when rebuilding DOM trees (#838).
• Rendering: detach render object mapping in didDetachRenderer to avoid stale renderer references (#838).