Re: [webcomponents] [Shadow]: Method for selecting data inside closed shadow root (#378)

Thank you for the feedback.

Hmm. The original motivation of introducing a closed shadow tree is "Never allow an access to a node in a closed shadow tree, via any APIs, from outside", AFAIK.

In fact, I designed a closed shadow tree in such a way. If there is a way to access a node in a closed shadow tree, it should be considered as a *bug* in the spec.

I think it's totally okay to have an API to allow an access in Chrome apps or extensions level.
However, for a *normal* web app, I think the current agreement is "Never allow it".

If we allowed it, that means we do not need a closed shadow tree. Just having an open shadow tree is enough, I think.

See also https://github.com/w3c/webcomponents/issues/354.


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