Re: [w3c/webcomponents] Support `>>>` combinator in static profile (#78)

What about the polymer way? this.shadowRoot.querySelector()

> Il giorno 08 ott 2017, alle ore 22:11, Chad Killingsworth <notifications@github.com> ha scritto:
> 
> Basically, we decided not to write tests that pierce across shadow boundaries.
> 
> That falls apart when you have interactive elements in shadow roots (like <button>). You end up writing public accessors just to test the component.
> 
> Having worked with this a lot (and being the author of a very popular gist on this subject), I don't want the shadow piercing combinator. What I do want is a selector that only works for testing that selects from the current element's shadow root:
> 
> document.querySelector('custom-element => button');
> // Must be currently written as:
> document.querySelector('custom-element').shadowRoot.querySelector('button');
> However most of this could be easily overcome by syntactic sugar or special methods in testing frameworks.
> 
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