464 lines
22 KiB
C++
464 lines
22 KiB
C++
/*
|
|
* Copyright (c) 2021-2023, Tim Flynn <trflynn89@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibJS/Runtime/AbstractOperations.h>
|
|
#include <LibJS/Runtime/Array.h>
|
|
#include <LibJS/Runtime/Date.h>
|
|
#include <LibJS/Runtime/GlobalObject.h>
|
|
#include <LibJS/Runtime/Intl/AbstractOperations.h>
|
|
#include <LibJS/Runtime/Intl/DateTimeFormat.h>
|
|
#include <LibJS/Runtime/Intl/DateTimeFormatConstructor.h>
|
|
#include <LibJS/Runtime/Temporal/TimeZone.h>
|
|
#include <LibLocale/DateTimeFormat.h>
|
|
#include <LibLocale/Locale.h>
|
|
|
|
namespace JS::Intl {
|
|
|
|
// 11.1 The Intl.DateTimeFormat Constructor, https://tc39.es/ecma402/#sec-intl-datetimeformat-constructor
|
|
DateTimeFormatConstructor::DateTimeFormatConstructor(Realm& realm)
|
|
: NativeFunction(realm.vm().names.DateTimeFormat.as_string(), realm.intrinsics().function_prototype())
|
|
{
|
|
}
|
|
|
|
void DateTimeFormatConstructor::initialize(Realm& realm)
|
|
{
|
|
Base::initialize(realm);
|
|
|
|
auto& vm = this->vm();
|
|
|
|
// 11.2.1 Intl.DateTimeFormat.prototype, https://tc39.es/ecma402/#sec-intl.datetimeformat.prototype
|
|
define_direct_property(vm.names.prototype, realm.intrinsics().intl_date_time_format_prototype(), 0);
|
|
|
|
u8 attr = Attribute::Writable | Attribute::Configurable;
|
|
define_native_function(realm, vm.names.supportedLocalesOf, supported_locales_of, 1, attr);
|
|
|
|
define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
|
|
}
|
|
|
|
// 11.1.1 Intl.DateTimeFormat ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.datetimeformat
|
|
ThrowCompletionOr<Value> DateTimeFormatConstructor::call()
|
|
{
|
|
// 1. If NewTarget is undefined, let newTarget be the active function object, else let newTarget be NewTarget.
|
|
return TRY(construct(*this));
|
|
}
|
|
|
|
// 11.1.1 Intl.DateTimeFormat ( [ locales [ , options ] ] ), https://tc39.es/ecma402/#sec-intl.datetimeformat
|
|
ThrowCompletionOr<NonnullGCPtr<Object>> DateTimeFormatConstructor::construct(FunctionObject& new_target)
|
|
{
|
|
auto& vm = this->vm();
|
|
|
|
auto locales = vm.argument(0);
|
|
auto options = vm.argument(1);
|
|
|
|
// 2. Let dateTimeFormat be ? CreateDateTimeFormat(newTarget, locales, options, any, date).
|
|
auto date_time_format = TRY(create_date_time_format(vm, new_target, locales, options, OptionRequired::Any, OptionDefaults::Date));
|
|
|
|
// 3. 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).
|
|
|
|
// 4. Return dateTimeFormat.
|
|
return date_time_format;
|
|
}
|
|
|
|
// 11.2.2 Intl.DateTimeFormat.supportedLocalesOf ( locales [ , options ] ), https://tc39.es/ecma402/#sec-intl.datetimeformat.supportedlocalesof
|
|
JS_DEFINE_NATIVE_FUNCTION(DateTimeFormatConstructor::supported_locales_of)
|
|
{
|
|
auto locales = vm.argument(0);
|
|
auto options = vm.argument(1);
|
|
|
|
// 1. Let availableLocales be %DateTimeFormat%.[[AvailableLocales]].
|
|
|
|
// 2. Let requestedLocales be ? CanonicalizeLocaleList(locales).
|
|
auto requested_locales = TRY(canonicalize_locale_list(vm, locales));
|
|
|
|
// 3. Return ? SupportedLocales(availableLocales, requestedLocales, options).
|
|
return TRY(supported_locales(vm, requested_locales, options));
|
|
}
|
|
|
|
// 11.1.2 CreateDateTimeFormat ( newTarget, locales, options, required, defaults ), https://tc39.es/ecma402/#sec-createdatetimeformat
|
|
ThrowCompletionOr<NonnullGCPtr<DateTimeFormat>> create_date_time_format(VM& vm, FunctionObject& new_target, Value locales_value, Value options_value, OptionRequired required, OptionDefaults defaults)
|
|
{
|
|
// 1. Let dateTimeFormat be ? OrdinaryCreateFromConstructor(newTarget, "%DateTimeFormat.prototype%", « [[InitializedDateTimeFormat]], [[Locale]], [[Calendar]], [[NumberingSystem]], [[TimeZone]], [[Weekday]], [[Era]], [[Year]], [[Month]], [[Day]], [[DayPeriod]], [[Hour]], [[Minute]], [[Second]], [[FractionalSecondDigits]], [[TimeZoneName]], [[HourCycle]], [[DateStyle]], [[TimeStyle]], [[Pattern]], [[RangePatterns]], [[BoundFormat]] »).
|
|
auto date_time_format = TRY(ordinary_create_from_constructor<DateTimeFormat>(vm, new_target, &Intrinsics::intl_date_time_format_prototype));
|
|
|
|
// 2. Let requestedLocales be ? CanonicalizeLocaleList(locales).
|
|
auto requested_locales = TRY(canonicalize_locale_list(vm, locales_value));
|
|
|
|
// 3. Set options to ? CoerceOptionsToObject(options).
|
|
auto* options = TRY(coerce_options_to_object(vm, options_value));
|
|
|
|
// 4. Let opt be a new Record.
|
|
LocaleOptions opt {};
|
|
|
|
// 5. Let matcher be ? GetOption(options, "localeMatcher", string, « "lookup", "best fit" », "best fit").
|
|
auto matcher = TRY(get_option(vm, *options, vm.names.localeMatcher, OptionType::String, AK::Array { "lookup"sv, "best fit"sv }, "best fit"sv));
|
|
|
|
// 6. Set opt.[[localeMatcher]] to matcher.
|
|
opt.locale_matcher = matcher;
|
|
|
|
// 7. Let calendar be ? GetOption(options, "calendar", string, empty, undefined).
|
|
auto calendar = TRY(get_option(vm, *options, vm.names.calendar, OptionType::String, {}, Empty {}));
|
|
|
|
// 8. If calendar is not undefined, then
|
|
if (!calendar.is_undefined()) {
|
|
// a. If calendar cannot be matched by the type Unicode locale nonterminal, throw a RangeError exception.
|
|
if (!::Locale::is_type_identifier(calendar.as_string().utf8_string_view()))
|
|
return vm.throw_completion<RangeError>(ErrorType::OptionIsNotValidValue, calendar, "calendar"sv);
|
|
|
|
// 9. Set opt.[[ca]] to calendar.
|
|
opt.ca = calendar.as_string().utf8_string();
|
|
}
|
|
|
|
// 10. Let numberingSystem be ? GetOption(options, "numberingSystem", string, empty, undefined).
|
|
auto numbering_system = TRY(get_option(vm, *options, vm.names.numberingSystem, OptionType::String, {}, Empty {}));
|
|
|
|
// 11. If numberingSystem is not undefined, then
|
|
if (!numbering_system.is_undefined()) {
|
|
// a. If numberingSystem cannot be matched by the type Unicode locale nonterminal, throw a RangeError exception.
|
|
if (!::Locale::is_type_identifier(numbering_system.as_string().utf8_string_view()))
|
|
return vm.throw_completion<RangeError>(ErrorType::OptionIsNotValidValue, numbering_system, "numberingSystem"sv);
|
|
|
|
// 12. Set opt.[[nu]] to numberingSystem.
|
|
opt.nu = numbering_system.as_string().utf8_string();
|
|
}
|
|
|
|
// 13. Let hour12 be ? GetOption(options, "hour12", boolean, empty, undefined).
|
|
auto hour12 = TRY(get_option(vm, *options, vm.names.hour12, OptionType::Boolean, {}, Empty {}));
|
|
|
|
// 14. Let hourCycle be ? GetOption(options, "hourCycle", string, « "h11", "h12", "h23", "h24" », undefined).
|
|
auto hour_cycle = TRY(get_option(vm, *options, vm.names.hourCycle, OptionType::String, AK::Array { "h11"sv, "h12"sv, "h23"sv, "h24"sv }, Empty {}));
|
|
|
|
// 15. If hour12 is not undefined, then
|
|
if (!hour12.is_undefined()) {
|
|
// a. Set hourCycle to null.
|
|
hour_cycle = js_null();
|
|
}
|
|
|
|
// 16. Set opt.[[hc]] to hourCycle.
|
|
if (!hour_cycle.is_nullish())
|
|
opt.hc = hour_cycle.as_string().utf8_string();
|
|
|
|
// 17. Let localeData be %DateTimeFormat%.[[LocaleData]].
|
|
// 18. Let r be ResolveLocale(%DateTimeFormat%.[[AvailableLocales]], requestedLocales, opt, %DateTimeFormat%.[[RelevantExtensionKeys]], localeData).
|
|
auto result = MUST_OR_THROW_OOM(resolve_locale(vm, requested_locales, opt, DateTimeFormat::relevant_extension_keys()));
|
|
|
|
// 19. Set dateTimeFormat.[[Locale]] to r.[[locale]].
|
|
date_time_format->set_locale(move(result.locale));
|
|
|
|
// 20. Let resolvedCalendar be r.[[ca]].
|
|
// 21. Set dateTimeFormat.[[Calendar]] to resolvedCalendar.
|
|
if (result.ca.has_value())
|
|
date_time_format->set_calendar(result.ca.release_value());
|
|
|
|
// 22. Set dateTimeFormat.[[NumberingSystem]] to r.[[nu]].
|
|
if (result.nu.has_value())
|
|
date_time_format->set_numbering_system(result.nu.release_value());
|
|
|
|
// 23. Let dataLocale be r.[[dataLocale]].
|
|
auto data_locale = move(result.data_locale);
|
|
|
|
// Non-standard, the data locale is needed for LibUnicode lookups while formatting.
|
|
date_time_format->set_data_locale(data_locale);
|
|
|
|
// 24. Let dataLocaleData be localeData.[[<dataLocale>]].
|
|
// 25. Let hcDefault be dataLocaleData.[[hourCycle]].
|
|
auto default_hour_cycle = TRY_OR_THROW_OOM(vm, ::Locale::get_default_regional_hour_cycle(data_locale));
|
|
|
|
// Non-standard, default_hour_cycle will be empty if Unicode data generation is disabled.
|
|
if (!default_hour_cycle.has_value()) {
|
|
date_time_format->set_time_zone(TRY_OR_THROW_OOM(vm, String::from_utf8(default_time_zone())));
|
|
return date_time_format;
|
|
}
|
|
|
|
Optional<::Locale::HourCycle> hour_cycle_value;
|
|
|
|
// 26. If hour12 is true, then
|
|
if (hour12.is_boolean() && hour12.as_bool()) {
|
|
// a. If hcDefault is "h11" or "h23", let hc be "h11". Otherwise, let hc be "h12".
|
|
if ((default_hour_cycle == ::Locale::HourCycle::H11) || (default_hour_cycle == ::Locale::HourCycle::H23))
|
|
hour_cycle_value = ::Locale::HourCycle::H11;
|
|
else
|
|
hour_cycle_value = ::Locale::HourCycle::H12;
|
|
}
|
|
// 27. Else if hour12 is false, then
|
|
else if (hour12.is_boolean() && !hour12.as_bool()) {
|
|
// a. If hcDefault is "h11" or "h23", let hc be "h23". Otherwise, let hc be "h24".
|
|
if ((default_hour_cycle == ::Locale::HourCycle::H11) || (default_hour_cycle == ::Locale::HourCycle::H23))
|
|
hour_cycle_value = ::Locale::HourCycle::H23;
|
|
else
|
|
hour_cycle_value = ::Locale::HourCycle::H24;
|
|
}
|
|
// 28. Else,
|
|
else {
|
|
// a. Assert: hour12 is undefined.
|
|
VERIFY(hour12.is_undefined());
|
|
|
|
// b. Let hc be r.[[hc]].
|
|
if (result.hc.has_value())
|
|
hour_cycle_value = ::Locale::hour_cycle_from_string(*result.hc);
|
|
|
|
// c. If hc is null, set hc to hcDefault.
|
|
if (!hour_cycle_value.has_value())
|
|
hour_cycle_value = default_hour_cycle;
|
|
}
|
|
|
|
// 29. Set dateTimeFormat.[[HourCycle]] to hc.
|
|
if (hour_cycle_value.has_value())
|
|
date_time_format->set_hour_cycle(*hour_cycle_value);
|
|
|
|
// 30. Let timeZone be ? Get(options, "timeZone").
|
|
auto time_zone_value = TRY(options->get(vm.names.timeZone));
|
|
String time_zone;
|
|
|
|
// 31. If timeZone is undefined, then
|
|
if (time_zone_value.is_undefined()) {
|
|
// a. Set timeZone to DefaultTimeZone().
|
|
time_zone = TRY_OR_THROW_OOM(vm, String::from_utf8(default_time_zone()));
|
|
}
|
|
// 32. Else,
|
|
else {
|
|
// a. Set timeZone to ? ToString(timeZone).
|
|
time_zone = TRY(time_zone_value.to_string(vm));
|
|
|
|
// b. If IsAvailableTimeZoneName(timeZone) is false, then
|
|
if (!Temporal::is_available_time_zone_name(time_zone)) {
|
|
// i. Throw a RangeError exception.
|
|
return vm.throw_completion<RangeError>(ErrorType::OptionIsNotValidValue, time_zone, vm.names.timeZone);
|
|
}
|
|
|
|
// c. Set timeZone to CanonicalizeTimeZoneName(timeZone).
|
|
time_zone = MUST_OR_THROW_OOM(Temporal::canonicalize_time_zone_name(vm, time_zone));
|
|
}
|
|
|
|
// 33. Set dateTimeFormat.[[TimeZone]] to timeZone.
|
|
date_time_format->set_time_zone(move(time_zone));
|
|
|
|
// 34. Let formatOptions be a new Record.
|
|
::Locale::CalendarPattern format_options {};
|
|
|
|
// 35. Set formatOptions.[[hourCycle]] to hc.
|
|
format_options.hour_cycle = hour_cycle_value;
|
|
|
|
// 36. Let hasExplicitFormatComponents be false.
|
|
// NOTE: Instead of using a boolean, we track any explicitly provided component name for nicer exception messages.
|
|
PropertyKey const* explicit_format_component = nullptr;
|
|
|
|
// 37. For each row of Table 6, except the header row, in table order, do
|
|
TRY(for_each_calendar_field(vm, format_options, [&](auto& option, auto const& property, auto const& values) -> ThrowCompletionOr<void> {
|
|
using ValueType = typename RemoveReference<decltype(option)>::ValueType;
|
|
|
|
// a. Let prop be the name given in the Property column of the row.
|
|
|
|
// b. If prop is "fractionalSecondDigits", then
|
|
if constexpr (IsIntegral<ValueType>) {
|
|
// i. Let value be ? GetNumberOption(options, "fractionalSecondDigits", 1, 3, undefined).
|
|
auto value = TRY(get_number_option(vm, *options, property, 1, 3, {}));
|
|
|
|
// d. Set formatOptions.[[<prop>]] to value.
|
|
if (value.has_value()) {
|
|
option = static_cast<ValueType>(value.value());
|
|
|
|
// e. If value is not undefined, then
|
|
// i. Set hasExplicitFormatComponents to true.
|
|
explicit_format_component = &property;
|
|
}
|
|
}
|
|
// c. Else,
|
|
else {
|
|
// i. Let values be a List whose elements are the strings given in the Values column of the row.
|
|
// ii. Let value be ? GetOption(options, prop, string, values, undefined).
|
|
auto value = TRY(get_option(vm, *options, property, OptionType::String, values, Empty {}));
|
|
|
|
// d. Set formatOptions.[[<prop>]] to value.
|
|
if (!value.is_undefined()) {
|
|
option = ::Locale::calendar_pattern_style_from_string(value.as_string().utf8_string_view());
|
|
|
|
// e. If value is not undefined, then
|
|
// i. Set hasExplicitFormatComponents to true.
|
|
explicit_format_component = &property;
|
|
}
|
|
}
|
|
|
|
return {};
|
|
}));
|
|
|
|
// 38. Let matcher be ? GetOption(options, "formatMatcher", string, « "basic", "best fit" », "best fit").
|
|
matcher = TRY(get_option(vm, *options, vm.names.formatMatcher, OptionType::String, AK::Array { "basic"sv, "best fit"sv }, "best fit"sv));
|
|
|
|
// 39. Let dateStyle be ? GetOption(options, "dateStyle", string, « "full", "long", "medium", "short" », undefined).
|
|
auto date_style = TRY(get_option(vm, *options, vm.names.dateStyle, OptionType::String, AK::Array { "full"sv, "long"sv, "medium"sv, "short"sv }, Empty {}));
|
|
|
|
// 40. Set dateTimeFormat.[[DateStyle]] to dateStyle.
|
|
if (!date_style.is_undefined())
|
|
date_time_format->set_date_style(date_style.as_string().utf8_string_view());
|
|
|
|
// 41. Let timeStyle be ? GetOption(options, "timeStyle", string, « "full", "long", "medium", "short" », undefined).
|
|
auto time_style = TRY(get_option(vm, *options, vm.names.timeStyle, OptionType::String, AK::Array { "full"sv, "long"sv, "medium"sv, "short"sv }, Empty {}));
|
|
|
|
// 42. Set dateTimeFormat.[[TimeStyle]] to timeStyle.
|
|
if (!time_style.is_undefined())
|
|
date_time_format->set_time_style(time_style.as_string().utf8_string_view());
|
|
|
|
Optional<::Locale::CalendarPattern> best_format {};
|
|
|
|
// 43. If dateStyle is not undefined or timeStyle is not undefined, then
|
|
if (date_time_format->has_date_style() || date_time_format->has_time_style()) {
|
|
// a. If hasExplicitFormatComponents is true, then
|
|
if (explicit_format_component != nullptr) {
|
|
// i. Throw a TypeError exception.
|
|
return vm.throw_completion<TypeError>(ErrorType::IntlInvalidDateTimeFormatOption, *explicit_format_component, "dateStyle or timeStyle"sv);
|
|
}
|
|
|
|
// b. If required is date and timeStyle is not undefined, then
|
|
if (required == OptionRequired::Date && !time_style.is_undefined()) {
|
|
// i. Throw a TypeError exception.
|
|
return vm.throw_completion<TypeError>(ErrorType::IntlInvalidDateTimeFormatOption, "timeStyle"sv, "date"sv);
|
|
}
|
|
|
|
// c. If required is time and dateStyle is not undefined, then
|
|
if (required == OptionRequired::Time && !date_style.is_undefined()) {
|
|
// i. Throw a TypeError exception.
|
|
return vm.throw_completion<TypeError>(ErrorType::IntlInvalidDateTimeFormatOption, "dateStyle"sv, "time"sv);
|
|
}
|
|
|
|
// d. Let styles be dataLocaleData.[[styles]].[[<resolvedCalendar>]].
|
|
// e. Let bestFormat be DateTimeStyleFormat(dateStyle, timeStyle, styles).
|
|
best_format = MUST_OR_THROW_OOM(date_time_style_format(vm, data_locale, date_time_format));
|
|
}
|
|
// 44. Else,
|
|
else {
|
|
// a. Let needDefaults be true.
|
|
bool needs_defaults = true;
|
|
|
|
// b. If required is date or any, then
|
|
if (required == OptionRequired::Date || required == OptionRequired::Any) {
|
|
// i. For each property name prop of « "weekday", "year", "month", "day" », do
|
|
auto check_property_value = [&](auto const& value) {
|
|
// 1. Let value be formatOptions.[[<prop>]].
|
|
// 2. If value is not undefined, let needDefaults be false.
|
|
if (value.has_value())
|
|
needs_defaults = false;
|
|
};
|
|
|
|
check_property_value(format_options.weekday);
|
|
check_property_value(format_options.year);
|
|
check_property_value(format_options.month);
|
|
check_property_value(format_options.day);
|
|
}
|
|
|
|
// c. If required is time or any, then
|
|
if (required == OptionRequired::Time || required == OptionRequired::Any) {
|
|
// i. For each property name prop of « "dayPeriod", "hour", "minute", "second", "fractionalSecondDigits" », do
|
|
auto check_property_value = [&](auto const& value) {
|
|
// 1. Let value be formatOptions.[[<prop>]].
|
|
// 2. If value is not undefined, let needDefaults be false.
|
|
if (value.has_value())
|
|
needs_defaults = false;
|
|
};
|
|
|
|
check_property_value(format_options.day_period);
|
|
check_property_value(format_options.hour);
|
|
check_property_value(format_options.minute);
|
|
check_property_value(format_options.second);
|
|
check_property_value(format_options.fractional_second_digits);
|
|
}
|
|
|
|
// d. If needDefaults is true and defaults is either date or all, then
|
|
if (needs_defaults && (defaults == OptionDefaults::Date || defaults == OptionDefaults::All)) {
|
|
// i. For each property name prop of « "year", "month", "day" », do
|
|
auto set_property_value = [&](auto& value) {
|
|
// 1. Set formatOptions.[[<prop>]] to "numeric".
|
|
value = ::Locale::CalendarPatternStyle::Numeric;
|
|
};
|
|
|
|
set_property_value(format_options.year);
|
|
set_property_value(format_options.month);
|
|
set_property_value(format_options.day);
|
|
}
|
|
|
|
// e. If needDefaults is true and defaults is either time or all, then
|
|
if (needs_defaults && (defaults == OptionDefaults::Time || defaults == OptionDefaults::All)) {
|
|
// i. For each property name prop of « "hour", "minute", "second" », do
|
|
auto set_property_value = [&](auto& value) {
|
|
// 1. Set formatOptions.[[<prop>]] to "numeric".
|
|
value = ::Locale::CalendarPatternStyle::Numeric;
|
|
};
|
|
|
|
set_property_value(format_options.hour);
|
|
set_property_value(format_options.minute);
|
|
set_property_value(format_options.second);
|
|
}
|
|
|
|
// f. Let formats be dataLocaleData.[[formats]].[[<resolvedCalendar>]].
|
|
auto formats = TRY_OR_THROW_OOM(vm, ::Locale::get_calendar_available_formats(data_locale, date_time_format->calendar()));
|
|
|
|
// g. If matcher is "basic", then
|
|
if (matcher.as_string().utf8_string_view() == "basic"sv) {
|
|
// i. Let bestFormat be BasicFormatMatcher(formatOptions, formats).
|
|
best_format = basic_format_matcher(format_options, move(formats));
|
|
}
|
|
// h. Else,
|
|
else {
|
|
// i. Let bestFormat be BestFitFormatMatcher(formatOptions, formats).
|
|
best_format = best_fit_format_matcher(format_options, move(formats));
|
|
}
|
|
}
|
|
|
|
// 45. For each row in Table 6, except the header row, in table order, do
|
|
date_time_format->for_each_calendar_field_zipped_with(*best_format, [&](auto& date_time_format_field, auto const& best_format_field, auto) {
|
|
// a. Let prop be the name given in the Property column of the row.
|
|
// b. If bestFormat has a field [[<prop>]], then
|
|
if (best_format_field.has_value()) {
|
|
// i. Let p be bestFormat.[[<prop>]].
|
|
// ii. Set dateTimeFormat's internal slot whose name is the Internal Slot column of the row to p.
|
|
date_time_format_field = best_format_field;
|
|
}
|
|
});
|
|
|
|
String pattern;
|
|
Vector<::Locale::CalendarRangePattern> range_patterns;
|
|
|
|
// 46. If dateTimeFormat.[[Hour]] is undefined, then
|
|
if (!date_time_format->has_hour()) {
|
|
// a. Set dateTimeFormat.[[HourCycle]] to undefined.
|
|
date_time_format->clear_hour_cycle();
|
|
}
|
|
|
|
// 47. If dateTimeFormat.[[HourCycle]] is "h11" or "h12", then
|
|
if ((hour_cycle_value == ::Locale::HourCycle::H11) || (hour_cycle_value == ::Locale::HourCycle::H12)) {
|
|
// a. Let pattern be bestFormat.[[pattern12]].
|
|
if (best_format->pattern12.has_value()) {
|
|
pattern = best_format->pattern12.release_value();
|
|
} else {
|
|
// Non-standard, LibUnicode only provides [[pattern12]] when [[pattern]] has a day
|
|
// period. Other implementations provide [[pattern12]] as a copy of [[pattern]].
|
|
pattern = move(best_format->pattern);
|
|
}
|
|
|
|
// b. Let rangePatterns be bestFormat.[[rangePatterns12]].
|
|
range_patterns = TRY_OR_THROW_OOM(vm, ::Locale::get_calendar_range12_formats(data_locale, date_time_format->calendar(), best_format->skeleton));
|
|
}
|
|
// 48. Else,
|
|
else {
|
|
// a. Let pattern be bestFormat.[[pattern]].
|
|
pattern = move(best_format->pattern);
|
|
|
|
// b. Let rangePatterns be bestFormat.[[rangePatterns]].
|
|
range_patterns = TRY_OR_THROW_OOM(vm, ::Locale::get_calendar_range_formats(data_locale, date_time_format->calendar(), best_format->skeleton));
|
|
}
|
|
|
|
// 49. Set dateTimeFormat.[[Pattern]] to pattern.
|
|
date_time_format->set_pattern(move(pattern));
|
|
|
|
// 50. Set dateTimeFormat.[[RangePatterns]] to rangePatterns.
|
|
date_time_format->set_range_patterns(move(range_patterns));
|
|
|
|
// 51. Return dateTimeFormat.
|
|
return date_time_format;
|
|
}
|
|
|
|
}
|