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LibJS: Implement Intl.DurationFormat.prototype.formatToParts

This commit is contained in:
Idan Horowitz 2022-06-30 16:49:37 +03:00
parent 706ff5ac83
commit b6b8356c0c
3 changed files with 308 additions and 0 deletions

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@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Intl/DurationFormatPrototype.h>
@ -26,6 +27,7 @@ void DurationFormatPrototype::initialize(GlobalObject& global_object)
u8 attr = Attribute::Writable | Attribute::Configurable;
define_native_function(vm.names.format, format, 1, attr);
define_native_function(vm.names.formatToParts, format_to_parts, 1, attr);
define_native_function(vm.names.resolvedOptions, resolved_options, 0, attr);
}
@ -55,6 +57,46 @@ JS_DEFINE_NATIVE_FUNCTION(DurationFormatPrototype::format)
return js_string(vm, result.build());
}
// 1.4.4 Intl.DurationFormat.prototype.formatToParts ( duration ), https://tc39.es/proposal-intl-duration-format/#sec-Intl.DurationFormat.prototype.formatToParts
JS_DEFINE_NATIVE_FUNCTION(DurationFormatPrototype::format_to_parts)
{
// 1. Let df be this value.
// 2. Perform ? RequireInternalSlot(df, [[InitializedDurationFormat]]).
auto* duration_format = TRY(typed_this_object(global_object));
// 3. Let record be ? ToDurationRecord(duration).
auto record = TRY(to_duration_record(global_object, vm.argument(0)));
// 4. Let formatted be ? PartitionDurationFormatPattern(df, record).
auto formatted = TRY(partition_duration_format_pattern(global_object, *duration_format, record));
// 5. Let result be ! ArrayCreate(0).
auto* result = MUST(Array::create(global_object, 0));
// 6. Let n be 0.
// 7. For each element part in formatted, in List order, do
for (size_t n = 0; n < formatted.size(); ++n) {
auto const& part = formatted[n];
// a. Let obj be ! OrdinaryObjectCreate(%ObjectPrototype%).
auto* object = Object::create(global_object, global_object.object_prototype());
// b. Perform ! CreateDataPropertyOrThrow(obj, "type", part.[[Type]]).
MUST(object->create_data_property_or_throw(vm.names.type, js_string(vm, part.type)));
// c. Perform ! CreateDataPropertyOrThrow(obj, "value", part.[[Value]]).
MUST(object->create_data_property_or_throw(vm.names.value, js_string(vm, part.value)));
// d. Perform ! CreateDataPropertyOrThrow(result, ! ToString(n), obj).
MUST(result->create_data_property_or_throw(n, object));
// e. Increment n by 1.
}
// 7. Return result.
return result;
}
// 1.4.5 Intl.DurationFormat.prototype.resolvedOptions ( ), https://tc39.es/proposal-intl-duration-format/#sec-Intl.DurationFormat.prototype.resolvedOptions
JS_DEFINE_NATIVE_FUNCTION(DurationFormatPrototype::resolved_options)
{

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@ -21,6 +21,7 @@ public:
private:
JS_DECLARE_NATIVE_FUNCTION(format);
JS_DECLARE_NATIVE_FUNCTION(format_to_parts);
JS_DECLARE_NATIVE_FUNCTION(resolved_options);
};