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LibJS: Implement Temporal.PlainDate.prototype.valueOf
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3 changed files with 20 additions and 0 deletions
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@ -26,6 +26,9 @@ void PlainDatePrototype::initialize(GlobalObject& global_object)
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define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(vm.heap(), "Temporal.PlainDate"), Attribute::Configurable);
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define_native_accessor(vm.names.calendar, calendar_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 PlainDate* typed_this(GlobalObject& global_object)
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@ -54,4 +57,12 @@ JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::calendar_getter)
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return Value(&temporal_date->calendar());
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}
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// 3.3.31 Temporal.PlainDate.prototype.valueOf ( ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate.prototype.valueof
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JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::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.PlainDate", "a primitive value");
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return {};
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}
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}
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@ -20,6 +20,8 @@ public:
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private:
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JS_DECLARE_NATIVE_FUNCTION(calendar_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 +1,7 @@
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test("errors", () => {
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test("throws TypeError", () => {
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expect(() => {
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new Temporal.PlainDate(2021, 7, 21).valueOf();
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}).toThrowWithMessage(TypeError, "Cannot convert Temporal.PlainDate to a primitive value");
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});
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});
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