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/*
* Copyright (c) 2021-2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#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/DisplayNames.h>
#include <LibJS/Runtime/Intl/DisplayNamesConstructor.h>
#include <LibJS/Runtime/Temporal/AbstractOperations.h>
#include <LibLocale/Locale.h>
namespace JS::Intl {
// 12.1 The Intl.DisplayNames Constructor, https://tc39.es/ecma402/#sec-intl-displaynames-constructor
DisplayNamesConstructor::DisplayNamesConstructor(Realm& realm)
: NativeFunction(realm.vm().names.DisplayNames.as_string(), realm.intrinsics().function_prototype())
{
}
ThrowCompletionOr<void> DisplayNamesConstructor::initialize(Realm& realm)
{
MUST_OR_THROW_OOM(NativeFunction::initialize(realm));
auto& vm = this->vm();
// 12.2.1 Intl.DisplayNames.prototype, https://tc39.es/ecma402/#sec-Intl.DisplayNames.prototype
define_direct_property(vm.names.prototype, realm.intrinsics().intl_display_names_prototype(), 0);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(realm, vm.names.supportedLocalesOf, supported_locales_of, 1, attr);
define_direct_property(vm.names.length, Value(2), Attribute::Configurable);
return {};
}
// 12.1.1 Intl.DisplayNames ( locales, options ), https://tc39.es/ecma402/#sec-Intl.DisplayNames
ThrowCompletionOr<Value> DisplayNamesConstructor::call()
{
// 1. If NewTarget is undefined, throw a TypeError exception.
return vm().throw_completion<TypeError>(ErrorType::ConstructorWithoutNew, "Intl.DisplayNames");
}
// 12.1.1 Intl.DisplayNames ( locales, options ), https://tc39.es/ecma402/#sec-Intl.DisplayNames
ThrowCompletionOr<NonnullGCPtr<Object>> DisplayNamesConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto locale_value = vm.argument(0);
auto options_value = vm.argument(1);
// 2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNames.prototype%", « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[LanguageDisplay]], [[Fields]] »).
auto display_names = TRY(ordinary_create_from_constructor<DisplayNames>(vm, new_target, &Intrinsics::intl_display_names_prototype));
// 3. Let requestedLocales be ? CanonicalizeLocaleList(locales).
auto requested_locales = TRY(canonicalize_locale_list(vm, locale_value));
// 4. If options is undefined, throw a TypeError exception.
if (options_value.is_undefined())
return vm.throw_completion<TypeError>(ErrorType::IsUndefined, "options"sv);
// 5. Set options to ? GetOptionsObject(options).
auto* options = TRY(Temporal::get_options_object(vm, options_value));
// 6. Let opt be a new Record.
LocaleOptions opt {};
// 7. Let localeData be %DisplayNames%.[[LocaleData]].
// 8. Let matcher be ? GetOption(options, "localeMatcher", string, « "lookup", "best fit" », "best fit").
auto matcher = TRY(get_option(vm, *options, vm.names.localeMatcher, OptionType::String, { "lookup"sv, "best fit"sv }, "best fit"sv));
// 9. Set opt.[[localeMatcher]] to matcher.
opt.locale_matcher = matcher;
// 10. Let r be ResolveLocale(%DisplayNames%.[[AvailableLocales]], requestedLocales, opt, %DisplayNames%.[[RelevantExtensionKeys]]).
auto result = TRY(resolve_locale(vm, requested_locales, opt, {}));
// 11. Let style be ? GetOption(options, "style", string, « "narrow", "short", "long" », "long").
auto style = TRY(get_option(vm, *options, vm.names.style, OptionType::String, { "narrow"sv, "short"sv, "long"sv }, "long"sv));
// 12. Set displayNames.[[Style]] to style.
display_names->set_style(TRY(style.as_string().utf8_string_view()));
// 13. Let type be ? GetOption(options, "type", string, « "language", "region", "script", "currency", "calendar", "dateTimeField" », undefined).
auto type = TRY(get_option(vm, *options, vm.names.type, OptionType::String, { "language"sv, "region"sv, "script"sv, "currency"sv, "calendar"sv, "dateTimeField"sv }, Empty {}));
// 14. If type is undefined, throw a TypeError exception.
if (type.is_undefined())
return vm.throw_completion<TypeError>(ErrorType::IsUndefined, "options.type"sv);
// 15. Set displayNames.[[Type]] to type.
display_names->set_type(TRY(type.as_string().utf8_string_view()));
// 16. Let fallback be ? GetOption(options, "fallback", string, « "code", "none" », "code").
auto fallback = TRY(get_option(vm, *options, vm.names.fallback, OptionType::String, { "code"sv, "none"sv }, "code"sv));
// 17. Set displayNames.[[Fallback]] to fallback.
display_names->set_fallback(TRY(fallback.as_string().utf8_string_view()));
// 18. Set displayNames.[[Locale]] to r.[[locale]].
display_names->set_locale(move(result.locale));
// Note: Several of the steps below are skipped in favor of deferring to LibUnicode.
// 19. Let dataLocale be r.[[dataLocale]].
// 20. Let dataLocaleData be localeData.[[<dataLocale>]].
// 21. Let types be dataLocaleData.[[types]].
// 22. Assert: types is a Record (see 12.4.3).
// 23. Let languageDisplay be ? GetOption(options, "languageDisplay", string, « "dialect", "standard" », "dialect").
auto language_display = TRY(get_option(vm, *options, vm.names.languageDisplay, OptionType::String, { "dialect"sv, "standard"sv }, "dialect"sv));
// 24. Let typeFields be types.[[<type>]].
// 25. Assert: typeFields is a Record (see 12.4.3).
// 26. If type is "language", then
if (display_names->type() == DisplayNames::Type::Language) {
// a. Set displayNames.[[LanguageDisplay]] to languageDisplay.
display_names->set_language_display(TRY(language_display.as_string().utf8_string_view()));
// b. Let typeFields be typeFields.[[<languageDisplay>]].
// c. Assert: typeFields is a Record (see 12.4.3).
}
// 27. Let styleFields be typeFields.[[<style>]].
// 28. Assert: styleFields is a Record (see 12.4.3).
// 29. Set displayNames.[[Fields]] to styleFields.
// 30. Return displayNames.
return display_names;
}
// 12.2.2 Intl.DisplayNames.supportedLocalesOf ( locales [ , options ] ), https://tc39.es/ecma402/#sec-Intl.DisplayNames.supportedLocalesOf
JS_DEFINE_NATIVE_FUNCTION(DisplayNamesConstructor::supported_locales_of)
{
auto locales = vm.argument(0);
auto options = vm.argument(1);
// 1. Let availableLocales be %DisplayNames%.[[AvailableLocales]].
// No-op, availability of each requested locale is checked via ::Locale::is_locale_available()
// 2. Let requestedLocales be ? CanonicalizeLocaleList(locales).
auto requested_locales = TRY(canonicalize_locale_list(vm, locales));
// 3. Return ? SupportedLocales(availableLocales, requestedLocales, options).
return TRY(supported_locales(vm, requested_locales, options));
}
}
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