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LibJS: Implement Temporal.PlainYearMonth.prototype.toPlainDate()

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Linus Groh 2021-10-10 21:30:15 +01:00
parent 99adb54391
commit 2c222ba40b
5 changed files with 115 additions and 0 deletions
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25
Userland/Libraries/LibJS/Runtime/Temporal/Calendar.cpp
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@ -113,6 +113,31 @@ ThrowCompletionOr<Vector<String>> calendar_fields(GlobalObject& global_object, O
return result;
}
// 12.1.6 CalendarMergeFields ( calendar, fields, additionalFields ), https://tc39.es/proposal-temporal/#sec-temporal-calendarmergefields
ThrowCompletionOr<Object*> calendar_merge_fields(GlobalObject& global_object, Object& calendar, Object& fields, Object& additional_fields)
{
auto& vm = global_object.vm();
// 1. Let mergeFields be ? GetMethod(calendar, "mergeFields").
auto* merge_fields = TRY(Value(&calendar).get_method(global_object, vm.names.mergeFields));
// 2. If mergeFields is undefined, then
if (!merge_fields) {
// a. Return ? DefaultMergeFields(fields, additionalFields).
return TRY(default_merge_fields(global_object, fields, additional_fields));
}
// 3. Let result be ? Call(mergeFields, calendar, « fields, additionalFields »).
auto result = TRY(call(global_object, merge_fields, &calendar, &fields, &additional_fields));
// 4. If Type(result) is not Object, throw a TypeError exception.
if (!result.is_object())
return vm.throw_completion<TypeError>(global_object, ErrorType::NotAnObject, result.to_string_without_side_effects());
// 5. Return result.
return &result.as_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)
{