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LibJS+LibUnicode: Implement the Intl.DateTimeFormat constructor

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Timothy Flynn 2021-11-28 17:55:47 -05:00 • committed by Linus Groh
parent 75b2a09a2f
commit 16151aa7d5
9 changed files with 1089 additions and 2 deletions
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11
Userland/Libraries/LibJS/Runtime/Intl/DateTimeFormatConstructor.cpp
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@ -38,11 +38,22 @@ ThrowCompletionOr<Value> DateTimeFormatConstructor::call()
// 11.2.1 Intl.DateTimeFormat ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.datetimeformat
ThrowCompletionOr<Object*> DateTimeFormatConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto& global_object = this->global_object();
auto locales = vm.argument(0);
auto options = vm.argument(1);
// 2. Let dateTimeFormat be ? OrdinaryCreateFromConstructor(newTarget, "%DateTimeFormat.prototype%", « [[InitializedDateTimeFormat]], [[Locale]], [[Calendar]], [[NumberingSystem]], [[TimeZone]], [[Weekday]], [[Era]], [[Year]], [[Month]], [[Day]], [[DayPeriod]], [[Hour]], [[Minute]], [[Second]], [[FractionalSecondDigits]], [[TimeZoneName]], [[HourCycle]], [[Pattern]], [[BoundFormat]] »).
auto* date_time_format = TRY(ordinary_create_from_constructor<DateTimeFormat>(global_object, new_target, &GlobalObject::intl_date_time_format_prototype));
// 3. Perform ? InitializeDateTimeFormat(dateTimeFormat, locales, options).
TRY(initialize_date_time_format(global_object, *date_time_format, locales, options));
// 4. If the implementation supports the normative optional constructor mode of 4.3 Note 1, then
// a. Let this be the this value.
// b. Return ? ChainDateTimeFormat(dateTimeFormat, NewTarget, this).
// 5. Return dateTimeFormat.
return date_time_format;
}