Bug 249746

Summary:	[css-nesting] Implement nested selector matching
Product:	WebKit	Reporter:	Matthieu Dubet <m_dubet>
Component:	WebCore Misc.	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	m_dubet, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
Bug Depends on:
Bug Blocks:	223497

Description Matthieu Dubet 2022-12-21 14:12:39 PST

To reuse the existing CSS Selector JIT Compiler, we should translate any nested selector rule to the equivalent flat (=non nested) one via the pseudo class :is()

https://drafts.csswg.org/css-nesting/#nest-selector

Part of the more general css-nesting-1 bug 223497

Comment 1 Matthieu Dubet 2022-12-21 14:14:13 PST

rdar://103147183

Comment 2 Matthieu Dubet 2022-12-23 12:59:46 PST

Pull request: https://github.com/WebKit/WebKit/pull/8051

Comment 3 EWS 2022-12-31 01:09:22 PST

Committed 258367@main (8972793414d9): <https://commits.webkit.org/258367@main>

Reviewed commits have been landed. Closing PR #8051 and removing active labels.