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LibJS: Implement Temporal.Calendar.prototype.daysInWeek
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4 changed files with 36 additions and 0 deletions
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@ -38,6 +38,7 @@ void CalendarPrototype::initialize(GlobalObject& global_object)
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define_native_function(vm.names.dayOfWeek, day_of_week, 1, attr);
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define_native_function(vm.names.dayOfYear, day_of_year, 1, attr);
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define_native_function(vm.names.weekOfYear, week_of_year, 1, attr);
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define_native_function(vm.names.daysInWeek, days_in_week, 1, attr);
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define_native_function(vm.names.toString, to_string, 0, attr);
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define_native_function(vm.names.toJSON, to_json, 0, attr);
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}
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@ -277,6 +278,28 @@ JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::week_of_year)
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return Value(to_iso_week_of_year(temporal_date->iso_year(), temporal_date->iso_month(), temporal_date->iso_day()));
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}
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// 12.4.16 Temporal.Calendar.prototype.daysInWeek ( temporalDateLike ), https://tc39.es/proposal-temporal/#sec-temporal.calendar.prototype.daysinweek
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// NOTE: This is the minimum daysInWeek implementation for engines without ECMA-402.
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JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::days_in_week)
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{
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// 1. Let calendar be the this value.
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// 2. Perform ? RequireInternalSlot(calendar, [[InitializedTemporalCalendar]]).
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auto* calendar = typed_this(global_object);
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if (vm.exception())
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return {};
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// 3. Assert: calendar.[[Identifier]] is "iso8601".
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VERIFY(calendar->identifier() == "iso8601"sv);
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// 4. Let temporalDate be ? ToTemporalDate(temporalDateLike).
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[[maybe_unused]] auto* temporal_date = to_temporal_date(global_object, vm.argument(0));
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if (vm.exception())
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return {};
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// 5. Return 7𝔽.
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return Value(7);
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}
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// 12.4.23 Temporal.Calendar.prototype.toString ( ), https://tc39.es/proposal-temporal/#sec-temporal.calendar.prototype.tostring
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JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::to_string)
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{
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@ -28,6 +28,7 @@ private:
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JS_DECLARE_NATIVE_FUNCTION(day_of_week);
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JS_DECLARE_NATIVE_FUNCTION(day_of_year);
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JS_DECLARE_NATIVE_FUNCTION(week_of_year);
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JS_DECLARE_NATIVE_FUNCTION(days_in_week);
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JS_DECLARE_NATIVE_FUNCTION(to_string);
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JS_DECLARE_NATIVE_FUNCTION(to_json);
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};
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