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LibJS: Implement Temporal.PlainYearMonth.prototype.valueOf()
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3 changed files with 23 additions and 0 deletions
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@ -35,6 +35,9 @@ void PlainYearMonthPrototype::initialize(GlobalObject& global_object)
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define_native_accessor(vm.names.daysInMonth, days_in_month_getter, {}, Attribute::Configurable);
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define_native_accessor(vm.names.monthsInYear, months_in_year_getter, {}, Attribute::Configurable);
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define_native_accessor(vm.names.inLeapYear, in_leap_year_getter, {}, Attribute::Configurable);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(vm.names.valueOf, value_of, 0, attr);
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}
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static PlainYearMonth* typed_this(GlobalObject& global_object)
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@ -175,4 +178,12 @@ JS_DEFINE_NATIVE_FUNCTION(PlainYearMonthPrototype::in_leap_year_getter)
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return Value(calendar_in_leap_year(global_object, calendar, *year_month));
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}
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// 9.3.20 Temporal.PlainYearMonth.prototype.valueOf ( ), https://tc39.es/proposal-temporal/#sec-temporal.plainyearmonth.prototype.valueof
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JS_DEFINE_NATIVE_FUNCTION(PlainYearMonthPrototype::value_of)
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{
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// 1. Throw a TypeError exception.
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vm.throw_exception<TypeError>(global_object, ErrorType::Convert, "Temporal.PlainYearMonth", "a primitive value");
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return {};
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}
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}
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@ -27,6 +27,7 @@ private:
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JS_DECLARE_NATIVE_FUNCTION(days_in_month_getter);
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JS_DECLARE_NATIVE_FUNCTION(months_in_year_getter);
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JS_DECLARE_NATIVE_FUNCTION(in_leap_year_getter);
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JS_DECLARE_NATIVE_FUNCTION(value_of);
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};
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}
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@ -0,0 +1,11 @@
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describe("errors", () => {
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test("throws TypeError", () => {
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const plainYearMonth = new Temporal.PlainYearMonth(2021, 7);
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expect(() => {
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plainYearMonth.valueOf();
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}).toThrowWithMessage(
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TypeError,
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"Cannot convert Temporal.PlainYearMonth to a primitive value"
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);
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});
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});
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