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LibJS: Implement a nearly empty Intl.PluralRules object

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This adds plumbing for the Intl.PluralRules object, constructor, and
prototype.
This commit is contained in:
Timothy Flynn 2022-01-28 12:56:04 -05:00 • committed by Linus Groh
parent ac3e42a8de
commit 0087804d10
12 changed files with 229 additions and 0 deletions
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50
Userland/Libraries/LibJS/Runtime/Intl/PluralRulesConstructor.cpp Normal file
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/*
* Copyright (c) 2022, Tim Flynn <trflynn89@pm.me>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/AbstractOperations.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Intl/PluralRules.h>
#include <LibJS/Runtime/Intl/PluralRulesConstructor.h>
namespace JS::Intl {
// 16.2 The Intl.PluralRules Constructor, https://tc39.es/ecma402/#sec-intl-pluralrules-constructor
PluralRulesConstructor::PluralRulesConstructor(GlobalObject& global_object)
: NativeFunction(vm().names.PluralRules.as_string(), *global_object.function_prototype())
{
}
void PluralRulesConstructor::initialize(GlobalObject& global_object)
{
NativeFunction::initialize(global_object);
auto& vm = this->vm();
// 16.3.1 Intl.PluralRules.prototype, https://tc39.es/ecma402/#sec-intl.pluralrules.prototype
define_direct_property(vm.names.prototype, global_object.intl_plural_rules_prototype(), 0);
define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
}
// 16.2.1 Intl.PluralRules ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.pluralrules
ThrowCompletionOr<Value> PluralRulesConstructor::call()
{
// 1. If NewTarget is undefined, throw a TypeError exception.
return vm().throw_completion<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, "Intl.PluralRules");
}
// 16.2.1 Intl.PluralRules ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.pluralrules
ThrowCompletionOr<Object*> PluralRulesConstructor::construct(FunctionObject& new_target)
{
auto& global_object = this->global_object();
// 2. Let pluralRules be ? OrdinaryCreateFromConstructor(NewTarget, "%PluralRules.prototype%", « [[InitializedPluralRules]], [[Locale]], [[Type]], [[MinimumIntegerDigits]], [[MinimumFractionDigits]], [[MaximumFractionDigits]], [[MinimumSignificantDigits]], [[MaximumSignificantDigits]], [[RoundingType]] »).
auto* plural_rules = TRY(ordinary_create_from_constructor<PluralRules>(global_object, new_target, &GlobalObject::intl_plural_rules_prototype));
// 3. Return ? InitializePluralRules(pluralRules, locales, options).
return plural_rules;
}
}