Re: [shadow-dom] ::before/after on shadow hosts

Yeah, ::before and ::after should be added as the children of the shadow
host in the composed tree, as a *pseudo* first child and a *pseudo* last
child.

On Wed, Jul 1, 2015 at 1:15 PM Elliott Sprehn <esprehn@chromium.org> wrote:

> On Wed, Jul 1, 2015 at 12:08 AM, Hayato Ito <hayato@chromium.org> wrote:
>
>> > ::before and ::after are basically *siblings* of the shadow host,
>>
>> That's not a correct sentence. ::before and ::after shouldn't be a
>> siblings of the shadow host.
>> I just wanted to say that #2 is the desired behavior.
>>
>>
> Indeed they're children, immediately before and immediately after the
> composed children of an element.
>
> fwiw this is also how it must work to prevent breaking the web or
> implementing special cases. <input> (and <textarea>) has a ShadowRoot and
> input::before and input::after are both common ways to add decorations to
> input elements. I broke this once in WebKit and we found all that content.
>
> - E
>