From: Nick Krempel <ndkrem...@google.com> > Have you considered allowing ARIA attributes to be set on a shadow root. > > The semantics would be that the browser uses the value of an ARIA attribute > on the (most recent) shadow root for an element, and only if it's not set > there will it fall back to the value of the attribute on the shadow host.
I would prefer to solve this purely with custom elements, without entangling shadow DOM into things. For example, a custom-elements version of <hr> should not need an (empty) shadow root just to get accessibility on par with native <hr>. Shadow DOMs are already "CSS scoping boundaries" and "event delegation boundaries" mixed up into one; I would prefer not to further add "accessibility overrides" to their capabilities list. It is an interesting and innovative solution, though.
