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LibJS: Implement Intl.Locale.prototype.numberingSystems property

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Timothy Flynn 2022-07-05 14:19:23 -04:00 • committed by Linus Groh
parent ee2be5895f
commit f6aa6a480c
6 changed files with 61 additions and 1 deletions
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1
Userland/Libraries/LibJS/Runtime/CommonPropertyNames.h
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@ -355,6 +355,7 @@ namespace JS {
P(notation) \
P(now) \
P(numberingSystem) \
P(numberingSystems) \
P(numeric) \
P(of) \
P(offset) \

19
Userland/Libraries/LibJS/Runtime/Intl/Locale.cpp
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@ -126,4 +126,23 @@ Array* hour_cycles_of_locale(GlobalObject& global_object, Locale const& locale_o
return create_array_from_list_or_restricted(global_object, move(list), move(restricted));
}
// 1.1.5 NumberingSystemsOfLocale ( loc ), https://tc39.es/proposal-intl-locale-info/#sec-numbering-systems-of-locale
Array* numbering_systems_of_locale(GlobalObject& global_object, Locale const& locale_object)
{
// 1. Let restricted be loc.[[NumberingSystem]].
Optional<String> restricted = locale_object.has_numbering_system() ? locale_object.numbering_system() : Optional<String> {};
// 2. Let locale be loc.[[Locale]].
auto const& locale = locale_object.locale();
// 3. Assert: locale matches the unicode_locale_id production.
VERIFY(Unicode::parse_unicode_locale_id(locale).has_value());
// 4. Let list be a List of 1 or more unique canonical numbering system identifiers, which must be lower case String values conforming to the type sequence from UTS 35 Unicode Locale Identifier, section 3.2, sorted in descending preference of those in common use for formatting numeric values in locale.
auto list = Unicode::get_keywords_for_locale(locale, "nu"sv);
// 5. Return ! CreateArrayFromListOrRestricted( list, restricted ).
return create_array_from_list_or_restricted(global_object, move(list), move(restricted));
}
}

1
Userland/Libraries/LibJS/Runtime/Intl/Locale.h
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@ -77,5 +77,6 @@ private:
Array* calendars_of_locale(GlobalObject& global_object, Locale const& locale);
Array* collations_of_locale(GlobalObject& global_object, Locale const& locale);
Array* hour_cycles_of_locale(GlobalObject& global_object, Locale const& locale);
Array* numbering_systems_of_locale(GlobalObject& global_object, Locale const& locale);
}

5
Userland/Libraries/LibJS/Runtime/Intl/LocalePrototype.cpp
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@ -42,6 +42,7 @@ void LocalePrototype::initialize(GlobalObject& global_object)
define_native_accessor(vm.names.hourCycle, hour_cycle, {}, Attribute::Configurable);
define_native_accessor(vm.names.hourCycles, hour_cycles, {}, Attribute::Configurable);
define_native_accessor(vm.names.numberingSystem, numbering_system, {}, Attribute::Configurable);
define_native_accessor(vm.names.numberingSystems, numbering_systems, {}, Attribute::Configurable);
define_native_accessor(vm.names.numeric, numeric, {}, Attribute::Configurable);
define_native_accessor(vm.names.language, language, {}, Attribute::Configurable);
define_native_accessor(vm.names.script, script, {}, Attribute::Configurable);
@ -206,11 +207,13 @@ JS_DEFINE_NATIVE_FUNCTION(LocalePrototype::region)
#define JS_ENUMERATE_LOCALE_INFO_PROPERTIES \
__JS_ENUMERATE(calendars) \
__JS_ENUMERATE(collations) \
__JS_ENUMERATE(hour_cycles)
__JS_ENUMERATE(hour_cycles) \
__JS_ENUMERATE(numbering_systems)
// 1.4.16 get Intl.Locale.prototype.calendars, https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.calendars
// 1.4.17 get Intl.Locale.prototype.collations, https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.collations
// 1.4.18 get Intl.Locale.prototype.hourCycles, https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.hourCycles
// 1.4.19 get Intl.Locale.prototype.numberingSystems, https://tc39.es/proposal-intl-locale-info/#sec-Intl.Locale.prototype.numberingSystems
#define __JS_ENUMERATE(keyword) \
JS_DEFINE_NATIVE_FUNCTION(LocalePrototype::keyword) \
{ \

1
Userland/Libraries/LibJS/Runtime/Intl/LocalePrototype.h
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@ -33,6 +33,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(hour_cycle);
JS_DECLARE_NATIVE_FUNCTION(hour_cycles);
JS_DECLARE_NATIVE_FUNCTION(numbering_system);
JS_DECLARE_NATIVE_FUNCTION(numbering_systems);
JS_DECLARE_NATIVE_FUNCTION(numeric);
JS_DECLARE_NATIVE_FUNCTION(language);
JS_DECLARE_NATIVE_FUNCTION(script);

35
Userland/Libraries/LibJS/Tests/builtins/Intl/Locale/Locale.prototype.numberingSystems.js Normal file
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@ -0,0 +1,35 @@
describe("errors", () => {
test("called on non-Locale object", () => {
expect(() => {
Intl.Locale.prototype.numberingSystems;
}).toThrowWithMessage(TypeError, "Not an object of type Intl.Locale");
});
});
describe("normal behavior", () => {
test("basic functionality", () => {
expect(Array.isArray(new Intl.Locale("en").numberingSystems)).toBeTrue();
expect(new Intl.Locale("en").numberingSystems).toEqual(["latn"]);
expect(Array.isArray(new Intl.Locale("ar").numberingSystems)).toBeTrue();
expect(new Intl.Locale("ar").numberingSystems).toEqual(["arab", "latn"]);
});
test("extension keyword overrides default data", () => {
expect(new Intl.Locale("en-u-nu-deva").numberingSystems).toEqual(["deva"]);
expect(new Intl.Locale("en", { numberingSystem: "deva" }).numberingSystems).toEqual([
"deva",
]);
expect(new Intl.Locale("ar-u-nu-bali").numberingSystems).toEqual(["bali"]);
expect(new Intl.Locale("ar", { numberingSystem: "bali" }).numberingSystems).toEqual([
"bali",
]);
// Invalid numberingSystems also take precedence.
expect(new Intl.Locale("en-u-nu-ladybird").numberingSystems).toEqual(["ladybird"]);
expect(new Intl.Locale("en", { numberingSystem: "ladybird" }).numberingSystems).toEqual([
"ladybird",
]);
});
});