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LibJS: Implement Intl.RelativeTimeFormat.supportedLocalesOf

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Timothy Flynn 2022-01-25 12:11:56 -05:00 • committed by Linus Groh
parent 47e9e7c2d0
commit cf166c1d93
3 changed files with 67 additions and 0 deletions
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20
Userland/Libraries/LibJS/Runtime/Intl/RelativeTimeFormatConstructor.cpp
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@ -5,7 +5,9 @@
*/
#include <LibJS/Runtime/AbstractOperations.h>
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Intl/AbstractOperations.h>
#include <LibJS/Runtime/Intl/RelativeTimeFormat.h>
#include <LibJS/Runtime/Intl/RelativeTimeFormatConstructor.h>
@ -26,6 +28,9 @@ void RelativeTimeFormatConstructor::initialize(GlobalObject& global_object)
// 17.3.1 Intl.RelativeTimeFormat.prototype, https://tc39.es/ecma402/#sec-Intl.RelativeTimeFormat.prototype
define_direct_property(vm.names.prototype, global_object.intl_relative_time_format_prototype(), 0);
define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.supportedLocalesOf, supported_locales_of, 1, attr);
}
// 17.2.1 Intl.RelativeTimeFormat ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-Intl.RelativeTimeFormat
@ -51,4 +56,19 @@ ThrowCompletionOr<Object*> RelativeTimeFormatConstructor::construct(FunctionObje
return TRY(initialize_relative_time_format(global_object, *relative_time_format, locales, options));
}
// 17.3.2 Intl.RelativeTimeFormat.supportedLocalesOf ( locales [ , options ] ), https://tc39.es/ecma402/#sec-Intl.RelativeTimeFormat.supportedLocalesOf
JS_DEFINE_NATIVE_FUNCTION(RelativeTimeFormatConstructor::supported_locales_of)
{
auto locales = vm.argument(0);
auto options = vm.argument(1);
// 1. Let availableLocales be %RelativeTimeFormat%.[[AvailableLocales]].
// 2. Let requestedLocales be ? CanonicalizeLocaleList(locales).
auto requested_locales = TRY(canonicalize_locale_list(global_object, locales));
// 3. Return ? SupportedLocales(availableLocales, requestedLocales, options).
return TRY(supported_locales(global_object, requested_locales, options));
}
}