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