Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: efcd683a93b8d90dc6cdf372c37fd2b406b1cfc3
      
https://github.com/WebKit/WebKit/commit/efcd683a93b8d90dc6cdf372c37fd2b406b1cfc3
  Author: Sosuke Suzuki <[email protected]>
  Date:   2026-06-21 (Sun, 21 Jun 2026)

  Changed paths:
    A JSTests/stress/intl-pluralrules-compactdisplay.js
    M JSTests/test262/expectations.yaml
    M Source/JavaScriptCore/runtime/IntlNumberFormatInlines.h
    M Source/JavaScriptCore/runtime/IntlPluralRules.cpp

  Log Message:
  -----------
  [JSC] `Intl.PluralRules` should reflect `compactDisplay` in skeleton and 
`resolvedOptions`
https://bugs.webkit.org/show_bug.cgi?id=317534

Reviewed by Yusuke Suzuki.

315426@main added m_compactDisplay to IntlPluralRules and read the
"compactDisplay" option in initializePluralRules, but the value was never
used: appendNumberFormatNotationOptionsToSkeleton still hardcoded
"compact-short" for IntlPluralRules, and resolvedOptions() did not expose
the property.

This patch removes the IntlPluralRules special case from
appendNumberFormatNotationOptionsToSkeleton so that m_compactDisplay is
passed to ICU, and emits "compactDisplay" from resolvedOptions() right
after "notation" when notation is "compact", per the Resolved Options of
PluralRules Instances table.

Test: JSTests/stress/intl-pluralrules-compactdisplay.js

* JSTests/stress/intl-pluralrules-compactdisplay.js: Added.
(shouldBe):
(throw.new.Error):
* JSTests/test262/expectations.yaml:
* Source/JavaScriptCore/runtime/IntlNumberFormatInlines.h:
(JSC::appendNumberFormatNotationOptionsToSkeleton):
* Source/JavaScriptCore/runtime/IntlPluralRules.cpp:
(JSC::IntlPluralRules::resolvedOptions const):

Canonical link: https://commits.webkit.org/315566@main



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