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LibJS: Fold PreparePartialTemporalFields into PrepareTemporalFields

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This is an editorial change in the Temporal spec.

See: 6ed1835
This commit is contained in:
Linus Groh 2022-06-14 20:22:52 +01:00
parent 631f270ac1
commit 3e6561c75f
13 changed files with 69 additions and 99 deletions
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76
Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
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@ -628,7 +628,7 @@ ThrowCompletionOr<Value> to_relative_temporal_object(GlobalObject& global_object
auto field_names = TRY(calendar_fields(global_object, *calendar, { "day"sv, "hour"sv, "microsecond"sv, "millisecond"sv, "minute"sv, "month"sv, "monthCode"sv, "nanosecond"sv, "second"sv, "year"sv }));
// e. Let fields be ? PrepareTemporalFields(value, fieldNames, «»).
auto* fields = TRY(prepare_temporal_fields(global_object, value_object, field_names, {}));
auto* fields = TRY(prepare_temporal_fields(global_object, value_object, field_names, Vector<StringView> {}));
// f. Let dateOptions be OrdinaryObjectCreate(null).
auto* date_options = Object::create(global_object, nullptr);
@ -1764,7 +1764,7 @@ ThrowCompletionOr<double> to_positive_integer(GlobalObject& global_object, Value
}
// 13.43 PrepareTemporalFields ( fields, fieldNames, requiredFields ), https://tc39.es/proposal-temporal/#sec-temporal-preparetemporalfields
ThrowCompletionOr<Object*> prepare_temporal_fields(GlobalObject& global_object, Object const& fields, Vector<String> const& field_names, Vector<StringView> const& required_fields)
ThrowCompletionOr<Object*> prepare_temporal_fields(GlobalObject& global_object, Object const& fields, Vector<String> const& field_names, Variant<PrepareTemporalFieldsPartial, Vector<StringView>> const& required_fields)
{
auto& vm = global_object.vm();
@ -1772,54 +1772,6 @@ ThrowCompletionOr<Object*> prepare_temporal_fields(GlobalObject& global_object,
auto* result = Object::create(global_object, global_object.object_prototype());
VERIFY(result);
// 2. For each value property of fieldNames, do
for (auto& property : field_names) {
// a. Let value be ? Get(fields, property).
auto value = TRY(fields.get(property));
// b. If value is undefined, then
if (value.is_undefined()) {
// i. If requiredFields contains property, then
if (required_fields.contains_slow(property)) {
// 1. Throw a TypeError exception.
return vm.throw_completion<TypeError>(global_object, ErrorType::MissingRequiredProperty, property);
}
// ii. If property is in the Property column of Table 13, then
// NOTE: The other properties in the table are automatically handled as their default value is undefined
if (property.is_one_of("hour"sv, "minute"sv, "second"sv, "millisecond"sv, "microsecond"sv, "nanosecond"sv)) {
// 1. Set value to the corresponding Default value of the same row.
value = Value(0);
}
}
// c. Else,
else {
// i. If property is in the Property column of Table 13 and there is a Conversion value in the same row, then
// 1. Let Conversion represent the abstract operation named by the Conversion value of the same row.
// 2. Set value to ? Conversion(value).
if (property.is_one_of("year"sv, "hour"sv, "minute"sv, "second"sv, "millisecond"sv, "microsecond"sv, "nanosecond"sv, "eraYear"sv))
value = Value(TRY(to_integer_throw_on_infinity(global_object, value, ErrorType::TemporalPropertyMustBeFinite)));
else if (property.is_one_of("month"sv, "day"sv))
value = Value(TRY(to_positive_integer(global_object, value)));
else if (property.is_one_of("monthCode"sv, "offset"sv, "era"sv))
value = TRY(value.to_primitive_string(global_object));
}
// d. Perform ! CreateDataPropertyOrThrow(result, property, value).
MUST(result->create_data_property_or_throw(property, value));
}
// 3. Return result.
return result;
}
// 13.44 PreparePartialTemporalFields ( fields, fieldNames ), https://tc39.es/proposal-temporal/#sec-temporal-preparepartialtemporalfields
ThrowCompletionOr<Object*> prepare_partial_temporal_fields(GlobalObject& global_object, Object const& fields, Vector<String> const& field_names)
{
auto& vm = global_object.vm();
// 1. Let result be OrdinaryObjectCreate(%Object.prototype%).
auto* result = Object::create(global_object, global_object.object_prototype());
// 2. Let any be false.
auto any = false;
@ -1833,7 +1785,7 @@ ThrowCompletionOr<Object*> prepare_partial_temporal_fields(GlobalObject& global_
// i. Set any to true.
any = true;
// ii. If property is in the Property column of Table 13, then
// ii. If property is in the Property column of Table 15 and there is a Conversion value in the same row, then
// 1. Let Conversion represent the abstract operation named by the Conversion value of the same row.
// 2. Set value to ? Conversion(value).
if (property.is_one_of("year"sv, "hour"sv, "minute"sv, "second"sv, "millisecond"sv, "microsecond"sv, "nanosecond"sv, "eraYear"sv))
@ -1843,13 +1795,30 @@ ThrowCompletionOr<Object*> prepare_partial_temporal_fields(GlobalObject& global_
else if (property.is_one_of("monthCode"sv, "offset"sv, "era"sv))
value = TRY(value.to_primitive_string(global_object));
// iii. Perform ! CreateDataPropertyOrThrow(result, property, value).
MUST(result->create_data_property_or_throw(property, value));
}
// c. Else if requiredFields is a List, then
else if (required_fields.has<Vector<StringView>>()) {
// i. If requiredFields contains property, then
if (required_fields.get<Vector<StringView>>().contains_slow(property)) {
// 1. Throw a TypeError exception.
return vm.throw_completion<TypeError>(global_object, ErrorType::MissingRequiredProperty, property);
}
// ii. If property is in the Property column of Table 13, then
// NOTE: The other properties in the table are automatically handled as their default value is undefined
if (property.is_one_of("hour"sv, "minute"sv, "second"sv, "millisecond"sv, "microsecond"sv, "nanosecond"sv)) {
// 1. Set value to the corresponding Default value of the same row.
value = Value(0);
}
// iii. Perform ! CreateDataPropertyOrThrow(result, property, value).
MUST(result->create_data_property_or_throw(property, value));
}
}
// 4. If any is false, then
if (!any) {
// 4. If requiredFields is partial and any is false, then
if (required_fields.has<PrepareTemporalFieldsPartial>() && !any) {
// a. Throw a TypeError exception.
return vm.throw_completion<TypeError>(global_object, ErrorType::TemporalObjectMustHaveOneOf, String::join(", "sv, field_names));
}
@ -1857,4 +1826,5 @@ ThrowCompletionOr<Object*> prepare_partial_temporal_fields(GlobalObject& global_
// 5. Return result.
return result;
}
}