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LibJS: Implement a nearly empty Intl.NumberFormat object

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This adds plumbing for the Intl.NumberFormat object, constructor, and
prototype.
This commit is contained in:
Timothy Flynn 2021-09-08 21:34:27 -04:00 • committed by Linus Groh
parent a1954262f8
commit 07f12b108b
12 changed files with 550 additions and 1 deletions
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53
Userland/Libraries/LibJS/Runtime/Intl/NumberFormatConstructor.cpp Normal file
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/*
* Copyright (c) 2021, 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/NumberFormat.h>
#include <LibJS/Runtime/Intl/NumberFormatConstructor.h>
namespace JS::Intl {
// 15.2 The Intl.NumberFormat Constructor, https://tc39.es/ecma402/#sec-intl-numberformat-constructor
NumberFormatConstructor::NumberFormatConstructor(GlobalObject& global_object)
: NativeFunction(vm().names.NumberFormat.as_string(), *global_object.function_prototype())
{
}
void NumberFormatConstructor::initialize(GlobalObject& global_object)
{
NativeFunction::initialize(global_object);
auto& vm = this->vm();
// 15.3.1 Intl.NumberFormat.prototype, https://tc39.es/ecma402/#sec-intl.numberformat.prototype
define_direct_property(vm.names.prototype, global_object.intl_number_format_prototype(), 0);
define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
}
// 15.2.1 Intl.NumberFormat ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.numberformat
Value NumberFormatConstructor::call()
{
// 1. If NewTarget is undefined, let newTarget be the active function object, else let newTarget be NewTarget.
return construct(*this);
}
// 15.2.1 Intl.NumberFormat ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.numberformat
Value NumberFormatConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto& global_object = this->global_object();
// 2. Let numberFormat be ? OrdinaryCreateFromConstructor(newTarget, "%NumberFormat.prototype%", « [[InitializedNumberFormat]], [[Locale]], [[DataLocale]], [[NumberingSystem]], [[Style]], [[Unit]], [[UnitDisplay]], [[Currency]], [[CurrencyDisplay]], [[CurrencySign]], [[MinimumIntegerDigits]], [[MinimumFractionDigits]], [[MaximumFractionDigits]], [[MinimumSignificantDigits]], [[MaximumSignificantDigits]], [[RoundingType]], [[Notation]], [[CompactDisplay]], [[UseGrouping]], [[SignDisplay]], [[BoundFormat]] »).
auto* number_format = ordinary_create_from_constructor<NumberFormat>(global_object, new_target, &GlobalObject::intl_number_format_prototype);
if (vm.exception())
return {};
// 5. Return numberFormat.
return number_format;
}
}