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LibJS: Implement Temporal.Instant.fromEpochNanoseconds()

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This commit is contained in:
Linus Groh 2021-07-09 12:20:11 +01:00
parent 5872357b56
commit ca71d99c66
4 changed files with 72 additions and 0 deletions
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1
Userland/Libraries/LibJS/Runtime/CommonPropertyNames.h
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@ -145,6 +145,7 @@ namespace JS {
P(fromEntries) \
P(fromEpochMicroseconds) \
P(fromEpochMilliseconds) \
P(fromEpochNanoseconds) \
P(fromEpochSeconds) \
P(fround) \
P(gc) \

19
Userland/Libraries/LibJS/Runtime/Temporal/InstantConstructor.cpp
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@ -30,6 +30,7 @@ void InstantConstructor::initialize(GlobalObject& global_object)
define_native_function(vm.names.fromEpochSeconds, from_epoch_seconds, 1, attr);
define_native_function(vm.names.fromEpochMilliseconds, from_epoch_milliseconds, 1, attr);
define_native_function(vm.names.fromEpochMicroseconds, from_epoch_microseconds, 1, attr);
define_native_function(vm.names.fromEpochNanoseconds, from_epoch_nanoseconds, 1, attr);
define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
}
@ -139,4 +140,22 @@ JS_DEFINE_NATIVE_FUNCTION(InstantConstructor::from_epoch_microseconds)
return create_temporal_instant(global_object, *epoch_nanoseconds);
}
// 8.2.6 Temporal.Instant.fromEpochNanoseconds ( epochNanoseconds )
JS_DEFINE_NATIVE_FUNCTION(InstantConstructor::from_epoch_nanoseconds)
{
// 1. Set epochNanoseconds to ? ToBigInt(epochNanoseconds).
auto* epoch_nanoseconds = vm.argument(0).to_bigint(global_object);
if (vm.exception())
return {};
// 2. If ! IsValidEpochNanoseconds(epochNanoseconds) is false, throw a RangeError exception.
if (!is_valid_epoch_nanoseconds(*epoch_nanoseconds)) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidEpochNanoseconds);
return {};
}
// 3. Return ? CreateTemporalInstant(epochNanoseconds).
return create_temporal_instant(global_object, *epoch_nanoseconds);
}
}

1
Userland/Libraries/LibJS/Runtime/Temporal/InstantConstructor.h
View file

@ -27,6 +27,7 @@ private:
JS_DECLARE_NATIVE_FUNCTION(from_epoch_seconds);
JS_DECLARE_NATIVE_FUNCTION(from_epoch_milliseconds);
JS_DECLARE_NATIVE_FUNCTION(from_epoch_microseconds);
JS_DECLARE_NATIVE_FUNCTION(from_epoch_nanoseconds);
};
}