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105 lines
4.4 KiB
C++
105 lines
4.4 KiB
C++
/*
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* Copyright (c) 2021-2025, Tim Flynn <trflynn89@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/AbstractOperations.h>
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#include <LibJS/Runtime/Array.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Intl/AbstractOperations.h>
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#include <LibJS/Runtime/Intl/ListFormat.h>
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#include <LibJS/Runtime/Intl/ListFormatConstructor.h>
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namespace JS::Intl {
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GC_DEFINE_ALLOCATOR(ListFormatConstructor);
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// 14.1 The Intl.ListFormat Constructor, https://tc39.es/ecma402/#sec-intl-listformat-constructor
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ListFormatConstructor::ListFormatConstructor(Realm& realm)
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: NativeFunction(realm.vm().names.ListFormat.as_string(), realm.intrinsics().function_prototype())
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{
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}
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void ListFormatConstructor::initialize(Realm& realm)
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{
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Base::initialize(realm);
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auto& vm = this->vm();
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// 14.2.1 Intl.ListFormat.prototype, https://tc39.es/ecma402/#sec-Intl.ListFormat.prototype
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define_direct_property(vm.names.prototype, realm.intrinsics().intl_list_format_prototype(), 0);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(realm, vm.names.supportedLocalesOf, supported_locales_of, 1, attr);
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define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
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}
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// 14.1.1 Intl.ListFormat ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-Intl.ListFormat
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ThrowCompletionOr<Value> ListFormatConstructor::call()
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{
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// 1. If NewTarget is undefined, throw a TypeError exception.
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return vm().throw_completion<TypeError>(ErrorType::ConstructorWithoutNew, "Intl.ListFormat");
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}
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// 14.1.1 Intl.ListFormat ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-Intl.ListFormat
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ThrowCompletionOr<GC::Ref<Object>> ListFormatConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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auto locales_value = vm.argument(0);
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auto options_value = vm.argument(1);
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// 2. Let listFormat be ? OrdinaryCreateFromConstructor(NewTarget, "%Intl.ListFormat.prototype%", « [[InitializedListFormat]], [[Locale]], [[Type]], [[Style]], [[Templates]] »).
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auto list_format = TRY(ordinary_create_from_constructor<ListFormat>(vm, new_target, &Intrinsics::intl_list_format_prototype));
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// 3. Let optionsResolution be ? ResolveOptions(%Intl.ListFormat%, %Intl.ListFormat%.[[LocaleData]], locales, options).
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// 4. Set options to optionsResolution.[[Options]].
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// 5. Let r be optionsResolution.[[ResolvedLocale]].
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auto [options, result, _] = TRY(resolve_options(vm, list_format, locales_value, options_value));
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// 6. Set listFormat.[[Locale]] to r.[[Locale]].
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list_format->set_locale(move(result.locale));
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// 7. Let type be ? GetOption(options, "type", string, « "conjunction", "disjunction", "unit" », "conjunction").
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auto type = TRY(get_option(vm, *options, vm.names.type, OptionType::String, { "conjunction"sv, "disjunction"sv, "unit"sv }, "conjunction"sv));
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// 8. Set listFormat.[[Type]] to type.
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list_format->set_type(type.as_string().utf8_string_view());
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// 9. Let style be ? GetOption(options, "style", string, « "long", "short", "narrow" », "long").
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auto style = TRY(get_option(vm, *options, vm.names.style, OptionType::String, { "long"sv, "short"sv, "narrow"sv }, "long"sv));
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// 10. Set listFormat.[[Style]] to style.
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list_format->set_style(style.as_string().utf8_string_view());
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// 11. Let resolvedLocaleData be r.[[LocaleData]].
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// 12. Let dataLocaleTypes be resolvedLocaleData.[[<type>]].
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// 13. Set listFormat.[[Templates]] to dataLocaleTypes.[[<style>]].
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auto formatter = Unicode::ListFormat::create(
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list_format->locale(),
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list_format->type(),
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list_format->style());
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list_format->set_formatter(move(formatter));
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// 14. Return listFormat.
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return list_format;
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}
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// 14.2.2 Intl.ListFormat.supportedLocalesOf ( locales [ , options ] ), https://tc39.es/ecma402/#sec-Intl.ListFormat.supportedLocalesOf
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JS_DEFINE_NATIVE_FUNCTION(ListFormatConstructor::supported_locales_of)
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{
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auto locales = vm.argument(0);
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auto options = vm.argument(1);
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// 1. Let availableLocales be %ListFormat%.[[AvailableLocales]].
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// 2. Let requestedLocales be ? CanonicalizeLocaleList(locales).
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auto requested_locales = TRY(canonicalize_locale_list(vm, locales));
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// 3. Return ? FilterLocales(availableLocales, requestedLocales, options).
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return TRY(filter_locales(vm, requested_locales, options));
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}
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}
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