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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*
* Copyright (c) 2022-2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Array.h>
#include <LibJS/Runtime/AbstractOperations.h>
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Intl/AbstractOperations.h>
#include <LibJS/Runtime/Intl/NumberFormatConstructor.h>
#include <LibJS/Runtime/Intl/PluralRules.h>
#include <LibJS/Runtime/Intl/PluralRulesConstructor.h>
namespace JS::Intl {
// 16.1 The Intl.PluralRules Constructor, https://tc39.es/ecma402/#sec-intl-pluralrules-constructor
PluralRulesConstructor::PluralRulesConstructor(Realm& realm)
: NativeFunction(realm.vm().names.PluralRules.as_string(), *realm.intrinsics().function_prototype())
{
}
ThrowCompletionOr<void> PluralRulesConstructor::initialize(Realm& realm)
{
MUST_OR_THROW_OOM(NativeFunction::initialize(realm));
auto& vm = this->vm();
// 16.2.1 Intl.PluralRules.prototype, https://tc39.es/ecma402/#sec-intl.pluralrules.prototype
define_direct_property(vm.names.prototype, realm.intrinsics().intl_plural_rules_prototype(), 0);
define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(realm, vm.names.supportedLocalesOf, supported_locales_of, 1, attr);
return {};
}
// 16.1.1 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>(ErrorType::ConstructorWithoutNew, "Intl.PluralRules");
}
// 16.1.1 Intl.PluralRules ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.pluralrules
ThrowCompletionOr<NonnullGCPtr<Object>> PluralRulesConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto locales = vm.argument(0);
auto options = vm.argument(1);
// 2. Let pluralRules be ? OrdinaryCreateFromConstructor(NewTarget, "%PluralRules.prototype%", « [[InitializedPluralRules]], [[Locale]], [[Type]], [[MinimumIntegerDigits]], [[MinimumFractionDigits]], [[MaximumFractionDigits]], [[MinimumSignificantDigits]], [[MaximumSignificantDigits]], [[RoundingType]], [[RoundingMode]], [[RoundingIncrement]], [[TrailingZeroDisplay]] »).
auto plural_rules = TRY(ordinary_create_from_constructor<PluralRules>(vm, new_target, &Intrinsics::intl_plural_rules_prototype));
// 3. Return ? InitializePluralRules(pluralRules, locales, options).
return *TRY(initialize_plural_rules(vm, plural_rules, locales, options));
}
// 16.2.2 Intl.PluralRules.supportedLocalesOf ( locales [ , options ] ), https://tc39.es/ecma402/#sec-intl.pluralrules.supportedlocalesof
JS_DEFINE_NATIVE_FUNCTION(PluralRulesConstructor::supported_locales_of)
{
auto locales = vm.argument(0);
auto options = vm.argument(1);
// 1. Let availableLocales be %PluralRules%.[[AvailableLocales]].
// 2. Let requestedLocales be ? CanonicalizeLocaleList(locales).
auto requested_locales = TRY(canonicalize_locale_list(vm, locales));
// 3. Return ? SupportedLocales(availableLocales, requestedLocales, options).
return TRY(supported_locales(vm, requested_locales, options));
}
// 16.1.2 InitializePluralRules ( pluralRules, locales, options ), https://tc39.es/ecma402/#sec-initializepluralrules
ThrowCompletionOr<PluralRules*> initialize_plural_rules(VM& vm, PluralRules& plural_rules, Value locales_value, Value options_value)
{
// 1. Let requestedLocales be ? CanonicalizeLocaleList(locales).
auto requested_locales = TRY(canonicalize_locale_list(vm, locales_value));
// 2. Set options to ? CoerceOptionsToObject(options).
auto* options = TRY(coerce_options_to_object(vm, options_value));
// 3. Let opt be a new Record.
LocaleOptions opt {};
// 4. Let matcher be ? GetOption(options, "localeMatcher", string, « "lookup", "best fit" », "best fit").
auto matcher = TRY(get_option(vm, *options, vm.names.localeMatcher, OptionType::String, AK::Array { "lookup"sv, "best fit"sv }, "best fit"sv));
// 5. Set opt.[[localeMatcher]] to matcher.
opt.locale_matcher = matcher;
// 6. Let t be ? GetOption(options, "type", string, « "cardinal", "ordinal" », "cardinal").
auto type = TRY(get_option(vm, *options, vm.names.type, OptionType::String, AK::Array { "cardinal"sv, "ordinal"sv }, "cardinal"sv));
// 7. Set pluralRules.[[Type]] to t.
plural_rules.set_type(TRY(type.as_string().utf8_string_view()));
// 8. Perform ? SetNumberFormatDigitOptions(pluralRules, options, +0𝔽, 3𝔽, "standard").
TRY(set_number_format_digit_options(vm, plural_rules, *options, 0, 3, NumberFormat::Notation::Standard));
// 9. Let localeData be %PluralRules%.[[LocaleData]].
// 10. Let r be ResolveLocale(%PluralRules%.[[AvailableLocales]], requestedLocales, opt, %PluralRules%.[[RelevantExtensionKeys]], localeData).
auto result = TRY(resolve_locale(vm, requested_locales, opt, {}));
// 11. Set pluralRules.[[Locale]] to r.[[locale]].
plural_rules.set_locale(move(result.locale));
// Non-standard, the data locale is used by our NumberFormat implementation.
plural_rules.set_data_locale(move(result.data_locale));
// 12. Return pluralRules.
return &plural_rules;
}
}
|
