1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* Copyright (c) 2021-2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Intl/NumberFormat.h>
#include <LibJS/Runtime/Intl/NumberFormatFunction.h>
namespace JS::Intl {
// 15.5.2 Number Format Functions, https://tc39.es/ecma402/#sec-number-format-functions
NonnullGCPtr<NumberFormatFunction> NumberFormatFunction::create(Realm& realm, NumberFormat& number_format)
{
return realm.heap().allocate<NumberFormatFunction>(realm, number_format, realm.intrinsics().function_prototype()).release_allocated_value_but_fixme_should_propagate_errors();
}
NumberFormatFunction::NumberFormatFunction(NumberFormat& number_format, Object& prototype)
: NativeFunction(prototype)
, m_number_format(number_format)
{
}
ThrowCompletionOr<void> NumberFormatFunction::initialize(Realm& realm)
{
auto& vm = this->vm();
MUST_OR_THROW_OOM(Base::initialize(realm));
define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
define_direct_property(vm.names.name, PrimitiveString::create(vm, String {}), Attribute::Configurable);
return {};
}
ThrowCompletionOr<Value> NumberFormatFunction::call()
{
auto& vm = this->vm();
// 1. Let nf be F.[[NumberFormat]].
// 2. Assert: Type(nf) is Object and nf has an [[InitializedNumberFormat]] internal slot.
// 3. If value is not provided, let value be undefined.
auto value = vm.argument(0);
// 4. Let x be ? ToIntlMathematicalValue(value).
auto mathematical_value = TRY(to_intl_mathematical_value(vm, value));
// 5. Return ? FormatNumeric(nf, x).
auto formatted = TRY(format_numeric(vm, m_number_format, move(mathematical_value)));
return PrimitiveString::create(vm, move(formatted));
}
void NumberFormatFunction::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_number_format);
}
}
|