`collectScroller` is not working as expected when the element is in shadow DOM

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
42/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
react, typescript
Domain
frontend

Research direction

Locate the collectScroller implementation and start by tracing how it walks ancestors through parentElement. Reproduce the behavior with an element inside shadow DOM, then verify that scroller collection also works there and add or update coverage for the reported case.

Written by the indexing model from the issue text.

Description

Currently collectScroller only traverse up by parentElement, it doesn't work within shadow DOM.

Dominant language
TypeScript
Stars
391
Forks
245
No merged PRs in 30d

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