[cssom-view] ShadowRoot should also have elementFromPoint and elementsFromPoint
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 35/100
- Issue type
- Feature
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- css
- Domain
- documentation, web-dev
Research direction
Read the CSSOM View section on extensions to the Document interface and compare the linked DocumentOrShadowRoot IDL definitions from Chromium, Gecko, and WebKit. Update the relevant CSSOM View specification text so the ShadowRoot behavior is captured consistently, then verify the rendered spec reflects the intended interface.
Written by the indexing model from the issue text.
Description
https://drafts.csswg.org/cssom-view/#extensions-to-the-document-interface defines elementFromPoint and elementsFromPoint methods on Document, but Chromium, Gecko and WebKit all have these members in the DocumentOrShadowRoot mixin:
https://chromium.googlesource.com/chromium/src/+/5aded22f34131a7d136f7fff2b6b28b8387ad961/third_party/blink/renderer/core/dom/document_or_shadow_root.idl
https://hg.mozilla.org/mozilla-central/file/a2507ffc9d4db5109a491d91f4c4c1e5a8dd0e2e/dom/webidl/DocumentOrShadowRoot.webidl
https://trac.webkit.org/browser/webkit/trunk/Source/WebCore/dom/DocumentOrShadowRoot.idl?rev=271743
The net effect is that they're on ShadowRoot, not just Document, but that no spec seems to capture this.
cc @annevk @mfreed7 @rniwa
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