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LibJS: Implement Intl.Locale.prototype.hourCycles property
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6 changed files with 55 additions and 1 deletions
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@ -107,4 +107,23 @@ Array* collations_of_locale(GlobalObject& global_object, Locale const& locale_ob
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return create_array_from_list_or_restricted(global_object, move(list), move(restricted));
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}
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// 1.1.4 HourCyclesOfLocale ( loc ), https://tc39.es/proposal-intl-locale-info/#sec-hour-cycles-of-locale
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Array* hour_cycles_of_locale(GlobalObject& global_object, Locale const& locale_object)
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{
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// 1. Let restricted be loc.[[HourCycle]].
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Optional<String> restricted = locale_object.has_hour_cycle() ? locale_object.hour_cycle() : Optional<String> {};
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// 2. Let locale be loc.[[Locale]].
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auto const& locale = locale_object.locale();
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// 3. Assert: locale matches the unicode_locale_id production.
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VERIFY(Unicode::parse_unicode_locale_id(locale).has_value());
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// 4. Let list be a List of 1 or more unique hour cycle identifiers, which must be lower case String values indicating either the 12-hour format ("h11", "h12") or the 24-hour format ("h23", "h24"), sorted in descending preference of those in common use for date and time formatting in locale.
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auto list = Unicode::get_keywords_for_locale(locale, "hc"sv);
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// 5. Return ! CreateArrayFromListOrRestricted( list, restricted ).
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return create_array_from_list_or_restricted(global_object, move(list), move(restricted));
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}
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}
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