Bug 255935

Summary:	[JSC] Expand existing property names caching onto Reflect.ownKeys() / Object.getOwnPropertySymbols()
Product:	WebKit	Reporter:	Alexey Shvayka <ashvayka>
Component:	JavaScriptCore	Assignee:	Alexey Shvayka <ashvayka>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	All
OS:	All

Description Alexey Shvayka 2023-04-25 10:58:42 PDT

Vue.js 3 traps "ownKeys" on all observable objects (except Map / Set) to merely forward the call to Reflect.ownKeys(), and web developers often destructure / call Object.assign() on those Proxy objects.

Comment 1 Radar WebKit Bug Importer 2023-04-25 10:59:18 PDT

<rdar://problem/108512520>

Comment 2 Alexey Shvayka 2023-04-25 11:10:04 PDT

Pull request: https://github.com/WebKit/WebKit/pull/13157

Comment 3 EWS 2023-04-26 15:51:29 PDT

Committed 263441@main (d126a37a66b1): <https://commits.webkit.org/263441@main>

Reviewed commits have been landed. Closing PR #13157 and removing active labels.