8b23bbf58e
This is a normative change in the ECMA-402 spec. See: https://github.com/tc39/ecma402/commit/02bd03a This is observable just due to reading the properties one less time. It would have been possible for e.g. the property values to change between those invocations.
466 lines
22 KiB
C++
466 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())
|
|
{
|
|
}
|
|
|
|
ThrowCompletionOr<void> DateTimeFormatConstructor::initialize(Realm& realm)
|
|
{
|
|
MUST_OR_THROW_OOM(NativeFunction::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);
|
|
|
|
return {};
|
|
}
|
|
|
|
// 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(TRY(calendar.as_string().utf8_string_view())))
|
|
return vm.throw_completion<RangeError>(ErrorType::OptionIsNotValidValue, calendar, "calendar"sv);
|
|
|
|
// 9. Set opt.[[ca]] to calendar.
|
|
opt.ca = TRY(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(TRY(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 = TRY(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 = TRY(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(TRY(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(TRY(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(TRY(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 (TRY(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;
|
|
}
|
|
|
|
}
|