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LibJS: Partially implement Intl.Locale.prototype.collations property

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We do not yet parse collation data from the CLDR. This stubs out the
collations property, analogous to Intl.supportedValuesOf.
This commit is contained in:
Timothy Flynn 2022-07-05 12:28:21 -04:00 • committed by Linus Groh
parent e9bc35d805
commit 4d32f38a76
7 changed files with 57 additions and 2 deletions
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20
Userland/Libraries/LibJS/Runtime/Intl/Locale.cpp
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@ -87,4 +87,24 @@ Array* calendars_of_locale(GlobalObject& global_object, Locale const& locale_obj
return create_array_from_list_or_restricted(global_object, move(list), move(restricted));
}
// 1.1.3 CollationsOfLocale ( loc ), https://tc39.es/proposal-intl-locale-info/#sec-collations-of-locale
Array* collations_of_locale(GlobalObject& global_object, Locale const& locale_object)
{
// 1. Let restricted be loc.[[Collation]].
Optional<String> restricted = locale_object.has_collation() ? locale_object.collation() : Optional<String> {};
// 2. Let locale be loc.[[Locale]].
auto const& locale = locale_object.locale();
// 3. Assert: locale matches the unicode_locale_id production.
VERIFY(Unicode::parse_unicode_locale_id(locale).has_value());
// 4. Let list be a List of 1 or more unique canonical collation identifiers, which must be lower case String values conforming to the type sequence from UTS 35 Unicode Locale Identifier, section 3.2, sorted in descending preference of those in common use for string comparison in locale. The values "standard" and "search" must be excluded from list.
// FIXME: Retrieve this data from the CLDR when we fully support collation. This matches Intl.supportedValuesOf.
Vector<StringView> list { "default"sv };
// 5. Return ! CreateArrayFromListOrRestricted( list, restricted ).
return create_array_from_list_or_restricted(global_object, move(list), move(restricted));
}
}