RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 03:47:35 +00:00
Code Issues Activity Actions

LibJS: Implement Temporal.PlainYearMonth.prototype.eraYear

Browse source
This commit is contained in:
Linus Groh 2021-08-27 20:24:55 +01:00
parent b11ea98648
commit f59e4d6738
3 changed files with 42 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

17
Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonthPrototype.cpp
View file

@ -37,6 +37,7 @@ void PlainYearMonthPrototype::initialize(GlobalObject& global_object)
define_native_accessor(vm.names.monthsInYear, months_in_year_getter, {}, Attribute::Configurable);
define_native_accessor(vm.names.inLeapYear, in_leap_year_getter, {}, Attribute::Configurable);
define_native_accessor(vm.names.era, era_getter, {}, Attribute::Configurable);
define_native_accessor(vm.names.eraYear, era_year_getter, {}, Attribute::Configurable);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.toString, to_string, 0, attr);
@ -200,6 +201,22 @@ JS_DEFINE_NATIVE_FUNCTION(PlainYearMonthPrototype::era_getter)
return calendar_era(global_object, calendar, *plain_year_month);
}
// 15.6.9.3 get Temporal.PlainYearMonth.prototype.eraYear, https://tc39.es/proposal-temporal/#sec-get-temporal.plainyearmonth.prototype.erayear
JS_DEFINE_NATIVE_FUNCTION(PlainYearMonthPrototype::era_year_getter)
{
// 1. Let plainYearMonth be the this value.
// 2. Perform ? RequireInternalSlot(plainYearMonth, [[InitializedTemporalYearMonth]]).
auto* plain_year_month = typed_this(global_object);
if (vm.exception())
return {};
// 3. Let calendar be plainYearMonth.[[Calendar]].
auto& calendar = plain_year_month->calendar();
// 4. Return ? CalendarEraYear(calendar, plainYearMonth).
return calendar_era_year(global_object, calendar, *plain_year_month);
}
// 9.3.17 Temporal.PlainYearMonth.prototype.toString ( [ options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plainyearmonth.prototype.tostring
JS_DEFINE_NATIVE_FUNCTION(PlainYearMonthPrototype::to_string)
{

1
Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonthPrototype.h
View file

@ -28,6 +28,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(months_in_year_getter);
JS_DECLARE_NATIVE_FUNCTION(in_leap_year_getter);
JS_DECLARE_NATIVE_FUNCTION(era_getter);
JS_DECLARE_NATIVE_FUNCTION(era_year_getter);
JS_DECLARE_NATIVE_FUNCTION(to_string);
JS_DECLARE_NATIVE_FUNCTION(to_locale_string);
JS_DECLARE_NATIVE_FUNCTION(to_json);

24
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainYearMonth/PlainYearMonth.prototype.eraYear.js Normal file
View file

@ -0,0 +1,24 @@
describe("correct behavior", () => {
test("basic functionality", () => {
const plainYearMonth = new Temporal.PlainYearMonth(2021, 7);
expect(plainYearMonth.eraYear).toBeUndefined();
});
test("calendar with custom eraYear function", () => {
const calendar = {
eraYear() {
return 123;
},
};
const plainYearMonth = new Temporal.PlainYearMonth(2021, 7, calendar);
expect(plainYearMonth.eraYear).toBe(123);
});
});
describe("errors", () => {
test("this value must be a Temporal.PlainYearMonth object", () => {
expect(() => {
Reflect.get(Temporal.PlainYearMonth.prototype, "eraYear", "foo");
}).toThrowWithMessage(TypeError, "Not a Temporal.PlainYearMonth");
});
});