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LibJS: Implement Temporal.PlainDate.prototype.daysInMonth

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Idan Horowitz 2021-07-23 18:38:28 +03:00 • committed by Linus Groh
parent 69c8b8e8bd
commit 3160540d0e
5 changed files with 43 additions and 0 deletions
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10
Userland/Libraries/LibJS/Runtime/Temporal/Calendar.cpp
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@ -243,6 +243,16 @@ Value calendar_days_in_week(GlobalObject& global_object, Object& calendar, Objec
return calendar.invoke(vm.names.daysInWeek, &date_like);
}
// 12.1.17 CalendarDaysInMonth ( calendar, dateLike ), https://tc39.es/proposal-temporal/#sec-temporal-calendardaysinmonth
Value calendar_days_in_month(GlobalObject& global_object, Object& calendar, Object& date_like)
{
auto& vm = global_object.vm();
// 1. Assert: Type(calendar) is Object.
// 2. Return ? Invoke(calendar, "daysInMonth", « dateLike »).
return calendar.invoke(vm.names.daysInMonth, &date_like);
}
// 12.1.21 ToTemporalCalendar ( temporalCalendarLike ), https://tc39.es/proposal-temporal/#sec-temporal-totemporalcalendar
Object* to_temporal_calendar(GlobalObject& global_object, Value temporal_calendar_like)
{

1
Userland/Libraries/LibJS/Runtime/Temporal/Calendar.h
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@ -42,6 +42,7 @@ Value calendar_day_of_week(GlobalObject&, Object& calendar, Object& date_like);
Value calendar_day_of_year(GlobalObject&, Object& calendar, Object& date_like);
Value calendar_week_of_year(GlobalObject&, Object& calendar, Object& date_like);
Value calendar_days_in_week(GlobalObject&, Object& calendar, Object& date_like);
Value calendar_days_in_month(GlobalObject&, Object& calendar, Object& date_like);
Object* to_temporal_calendar(GlobalObject&, Value);
Object* to_temporal_calendar_with_iso_default(GlobalObject&, Value);
Object* get_temporal_calendar_with_iso_default(GlobalObject&, Object&);

17
Userland/Libraries/LibJS/Runtime/Temporal/PlainDatePrototype.cpp
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@ -35,6 +35,7 @@ void PlainDatePrototype::initialize(GlobalObject& global_object)
define_native_accessor(vm.names.dayOfYear, day_of_year_getter, {}, Attribute::Configurable);
define_native_accessor(vm.names.weekOfYear, week_of_year_getter, {}, Attribute::Configurable);
define_native_accessor(vm.names.daysInWeek, days_in_week_getter, {}, Attribute::Configurable);
define_native_accessor(vm.names.daysInMonth, days_in_month_getter, {}, Attribute::Configurable);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.withCalendar, with_calendar, 1, attr);
@ -196,6 +197,22 @@ JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::days_in_week_getter)
return Value(calendar_days_in_week(global_object, calendar, *temporal_date));
}
// 3.3.12 get Temporal.PlainDate.prototype.daysInMonth, https://tc39.es/proposal-temporal/#sec-get-temporal.plaindate.prototype.daysinmonth
JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::days_in_month_getter)
{
// 1. Let temporalDate be the this value.
// 2. Perform ? RequireInternalSlot(temporalDate, [[InitializedTemporalDate]]).
auto* temporal_date = typed_this(global_object);
if (vm.exception())
return {};
// 3. Let calendar be temporalDate.[[Calendar]].
auto& calendar = temporal_date->calendar();
// 4. Return ? CalendarDaysInMonth(calendar, temporalDate).
return Value(calendar_days_in_month(global_object, calendar, *temporal_date));
}
// 3.3.22 Temporal.PlainDate.prototype.withCalendar ( calendar ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate.prototype.withcalendar
JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::with_calendar)
{

1
Userland/Libraries/LibJS/Runtime/Temporal/PlainDatePrototype.h
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@ -28,6 +28,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(day_of_year_getter);
JS_DECLARE_NATIVE_FUNCTION(week_of_year_getter);
JS_DECLARE_NATIVE_FUNCTION(days_in_week_getter);
JS_DECLARE_NATIVE_FUNCTION(days_in_month_getter);
JS_DECLARE_NATIVE_FUNCTION(with_calendar);
JS_DECLARE_NATIVE_FUNCTION(equals);