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LibJS: Implement TODO()'d parts of balance_duration()

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Massive :yakstack:, so I understand why it was skipped in the first
place :^)
This commit is contained in:
Linus Groh 2021-11-02 00:14:47 +01:00
parent 17fd08d752
commit d49bbb1da3
11 changed files with 320 additions and 6 deletions
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23
Userland/Libraries/LibJS/Runtime/Temporal/Calendar.cpp
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@ -159,6 +159,29 @@ ThrowCompletionOr<PlainDate*> calendar_date_add(GlobalObject& global_object, Obj
return static_cast<PlainDate*>(added_date_object);
}
// 12.1.8 CalendarDateUntil ( calendar, one, two, options [ , dateUntil ] ), https://tc39.es/proposal-temporal/#sec-temporal-calendardateuntil
ThrowCompletionOr<Duration*> calendar_date_until(GlobalObject& global_object, Object& calendar, PlainDate& one, PlainDate& two, Object& options, FunctionObject* date_until)
{
auto& vm = global_object.vm();
// 1. Assert: Type(calendar) is Object.
// 2. If dateUntil is not present, set dateUntil to ? GetMethod(calendar, "dateUntil").
if (!date_until)
date_until = TRY(Value(&calendar).get_method(global_object, vm.names.dateUntil));
// 3. Let duration be ? Call(dateUntil, calendar, « one, two, options »).
auto duration = TRY(call(global_object, date_until ?: js_undefined(), &calendar, &one, &two, &options));
// 4. Perform ? RequireInternalSlot(duration, [[InitializedTemporalDuration]]).
auto* duration_object = TRY(duration.to_object(global_object));
if (!is<Duration>(duration_object))
return vm.throw_completion<TypeError>(global_object, ErrorType::NotAnObjectOfType, "Temporal.Duration");
// 5. Return duration.
return static_cast<Duration*>(duration_object);
}
// 12.1.9 CalendarYear ( calendar, dateLike ), https://tc39.es/proposal-temporal/#sec-temporal-calendaryear
ThrowCompletionOr<double> calendar_year(GlobalObject& global_object, Object& calendar, Object& date_like)
{