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LibJS: Implement Temporal.Calendar.prototype.toJSON()

This commit is contained in:
Linus Groh 2021-07-14 21:16:40 +01:00
parent 83bbbbe567
commit 3ee169d8e7
3 changed files with 26 additions and 0 deletions

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@ -27,6 +27,7 @@ void CalendarPrototype::initialize(GlobalObject& global_object)
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.toString, to_string, 0, attr);
define_native_function(vm.names.toJSON, to_json, 0, attr);
}
static Calendar* typed_this(GlobalObject& global_object)
@ -55,4 +56,14 @@ JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::to_string)
return js_string(vm, calendar->identifier());
}
// 12.4.24 Temporal.Calendar.prototype.toJSON ( ), https://tc39.es/proposal-temporal/#sec-temporal.calendar.prototype.tojson
JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::to_json)
{
// 1. Let calendar be the this value.
auto calendar = vm.this_value(global_object);
// 2. Return ? ToString(calendar).
return js_string(vm, calendar.to_string(global_object));
}
}

View file

@ -20,6 +20,7 @@ public:
private:
JS_DECLARE_NATIVE_FUNCTION(to_string);
JS_DECLARE_NATIVE_FUNCTION(to_json);
};
}

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@ -0,0 +1,14 @@
describe("correct behavior", () => {
test("length is 0", () => {
expect(Temporal.Calendar.prototype.toJSON).toHaveLength(0);
});
test("basic functionality", () => {
const calendar = new Temporal.Calendar("iso8601");
expect(calendar.toJSON()).toBe("iso8601");
});
test("works with any this value", () => {
expect(Temporal.Calendar.prototype.toJSON.call("foo")).toBe("foo");
});
});