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.
59 lines
1.8 KiB
C++
59 lines
1.8 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/GlobalObject.h>
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#include <LibJS/Runtime/Intl/NumberFormat.h>
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#include <LibJS/Runtime/Intl/NumberFormatFunction.h>
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namespace JS::Intl {
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GC_DEFINE_ALLOCATOR(NumberFormatFunction);
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// 16.5.2 Number Format Functions, https://tc39.es/ecma402/#sec-number-format-functions
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GC::Ref<NumberFormatFunction> NumberFormatFunction::create(Realm& realm, NumberFormat& number_format)
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{
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return realm.create<NumberFormatFunction>(number_format, realm.intrinsics().function_prototype());
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}
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NumberFormatFunction::NumberFormatFunction(NumberFormat& number_format, Object& prototype)
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: NativeFunction(prototype)
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, m_number_format(number_format)
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{
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}
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void NumberFormatFunction::initialize(Realm& realm)
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{
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auto& vm = this->vm();
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Base::initialize(realm);
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define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
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define_direct_property(vm.names.name, PrimitiveString::create(vm, Utf16String {}), Attribute::Configurable);
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}
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ThrowCompletionOr<Value> NumberFormatFunction::call()
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{
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auto& vm = this->vm();
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// 1. Let nf be F.[[NumberFormat]].
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// 2. Assert: Type(nf) is Object and nf has an [[InitializedNumberFormat]] internal slot.
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// 3. If value is not provided, let value be undefined.
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auto value = vm.argument(0);
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// 4. Let x be ? ToIntlMathematicalValue(value).
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auto mathematical_value = TRY(to_intl_mathematical_value(vm, value));
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// 5. Return ? FormatNumeric(nf, x).
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auto formatted = format_numeric(m_number_format, move(mathematical_value));
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return PrimitiveString::create(vm, move(formatted));
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}
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void NumberFormatFunction::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_number_format);
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}
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}
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