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LibJS: Allow out-of-order plural ranges to be formatted

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This is a normative change to the Intl NumberFormat V3 spec:
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Timothy Flynn 2022-07-26 07:12:46 -04:00 • committed by Tim Flynn
commit 417a385db1
Notes: sideshowbarker 2024-07-17 08:33:26 +09:00
3 changed files with 17 additions and 14 deletions
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14
Userland/Libraries/LibJS/Runtime/Intl/PluralRules.cpp
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@ -152,23 +152,19 @@ ThrowCompletionOr<Unicode::PluralCategory> resolve_plural_range(GlobalObject& gl
if (end.is_nan())
return vm.throw_completion<RangeError>(global_object, ErrorType::IntlNumberIsNaN, "end"sv);
// 6. If x > y, throw a RangeError exception.
if (start.as_double() > end.as_double())
return vm.throw_completion<RangeError>(global_object, ErrorType::IntlStartRangeAfterEndRange, start, end);
// 7. Let xp be ! ResolvePlural(pluralRules, x).
// 6. Let xp be ! ResolvePlural(pluralRules, x).
auto start_plurality = resolve_plural(plural_rules, start);
// 8. Let yp be ! ResolvePlural(pluralRules, y).
// 7. Let yp be ! ResolvePlural(pluralRules, y).
auto end_plurality = resolve_plural(plural_rules, end);
// 9. Let locale be pluralRules.[[Locale]].
// 8. Let locale be pluralRules.[[Locale]].
auto const& locale = plural_rules.locale();
// 10. Let type be pluralRules.[[Type]].
// 9. Let type be pluralRules.[[Type]].
auto type = plural_rules.type();
// 11. Return ! PluralRuleSelectRange(locale, type, xp, yp).
// 10. Return ! PluralRuleSelectRange(locale, type, xp, yp).
return plural_rule_select_range(locale, type, start_plurality, end_plurality);
}