b6bef6b688
Produce JS-visible string results as UTF-16 at their source, including numeric formatting, BigInt and BigFraction formatting, URI encoding, console formatting, parser errors, regular expression errors, Intl and Temporal records, LibUnicode locale boundaries, and LibWeb bindings. Handle fractional radix formatting through the UTF-16 builder view.
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 }, u"conjunction"sv));
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// 8. Set listFormat.[[Type]] to type.
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list_format->set_type(type.as_string().utf16_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 }, u"long"sv));
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// 10. Set listFormat.[[Style]] to style.
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list_format->set_style(style.as_string().utf16_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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result.icu_locale.utf16_view().bytes(),
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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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