1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 15:17:36 +00:00

LibJS: Implement Intl.NumberFormat.prototype.formatRangeToParts

This commit is contained in:
Timothy Flynn 2022-07-20 15:29:00 -04:00 committed by Linus Groh
parent b4a772cde2
commit e9e187d15c
5 changed files with 236 additions and 0 deletions

View file

@ -1862,4 +1862,43 @@ ThrowCompletionOr<String> format_numeric_range(GlobalObject& global_object, Numb
return result.build();
}
// 1.1.25 FormatNumericRangeToParts( numberFormat, x, y ), https://tc39.es/proposal-intl-numberformat-v3/out/numberformat/proposed.html#sec-formatnumericrangetoparts
ThrowCompletionOr<Array*> format_numeric_range_to_parts(GlobalObject& global_object, NumberFormat& number_format, MathematicalValue start, MathematicalValue end)
{
auto& vm = global_object.vm();
// 1. Let parts be ? PartitionNumberRangePattern(numberFormat, x, y).
auto parts = TRY(partition_number_range_pattern(global_object, number_format, move(start), move(end)));
// 2. Let result be ! ArrayCreate(0).
auto* result = MUST(Array::create(global_object, 0));
// 3. Let n be 0.
size_t n = 0;
// 4. For each Record { [[Type]], [[Value]] } part in parts, do
for (auto& part : parts) {
// a. Let O be OrdinaryObjectCreate(%Object.prototype%).
auto* object = Object::create(global_object, global_object.object_prototype());
// b. Perform ! CreateDataPropertyOrThrow(O, "type", part.[[Type]]).
MUST(object->create_data_property_or_throw(vm.names.type, js_string(vm, part.type)));
// c. Perform ! CreateDataPropertyOrThrow(O, "value", part.[[Value]]).
MUST(object->create_data_property_or_throw(vm.names.value, js_string(vm, move(part.value))));
// d. Perform ! CreateDataPropertyOrThrow(O, "source", part.[[Source]]).
MUST(object->create_data_property_or_throw(vm.names.source, js_string(vm, part.source)));
// e. Perform ! CreateDataPropertyOrThrow(result, ! ToString(n), O).
MUST(result->create_data_property_or_throw(n, object));
// f. Increment n by 1.
++n;
}
// 5. Return result.
return result;
}
}