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LibJS: Implement Temporal.Duration.from()

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...with ParseTemporalDurationString currently TODO()'d.
This commit is contained in:
Linus Groh 2021-07-18 21:44:05 +01:00
parent 7355c23e17
commit 5c77885873
9 changed files with 236 additions and 0 deletions
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20
Userland/Libraries/LibJS/Runtime/Temporal/DurationConstructor.cpp
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@ -25,6 +25,9 @@ void DurationConstructor::initialize(GlobalObject& global_object)
// 7.2.1 Temporal.Duration.prototype, https://tc39.es/proposal-temporal/#sec-temporal-duration-prototype
define_direct_property(vm.names.prototype, global_object.temporal_duration_prototype(), 0);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.from, from, 1, attr);
define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
}
@ -99,4 +102,21 @@ Value DurationConstructor::construct(FunctionObject& new_target)
return create_temporal_duration(global_object, y, mo, w, d, h, m, s, ms, mis, ns, &new_target);
}
// 7.2.2 Temporal.Duration.from ( item ), https://tc39.es/proposal-temporal/#sec-temporal.duration.from
JS_DEFINE_NATIVE_FUNCTION(DurationConstructor::from)
{
auto item = vm.argument(0);
// 1. If Type(item) is Object and item has an [[InitializedTemporalDuration]] internal slot, then
if (item.is_object() && is<Duration>(item.as_object())) {
auto& duration = static_cast<Duration&>(item.as_object());
// a. Return ? CreateTemporalDuration(item.[[Years]], item.[[Months]], item.[[Weeks]], item.[[Days]], item.[[Hours]], item.[[Minutes]], item.[[Seconds]], item.[[Milliseconds]], item.[[Microseconds]], item.[[Nanoseconds]]).
return create_temporal_duration(global_object, duration.years(), duration.months(), duration.weeks(), duration.days(), duration.hours(), duration.minutes(), duration.seconds(), duration.milliseconds(), duration.microseconds(), duration.nanoseconds());
}
// 2. Return ? ToTemporalDuration(item).
return to_temporal_duration(global_object, item);
}
}