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LibJS: Reorder and reduce steps of InitializeDateTimeFormat

These are editorial changes in the Intl spec. See:
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Timothy Flynn 2022-04-06 19:19:13 -04:00 committed by Tim Flynn
parent f3f3e3cdc3
commit 29b6c22384

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@ -151,8 +151,8 @@ ThrowCompletionOr<DateTimeFormat*> initialize_date_time_format(GlobalObject& glo
// 18. Set dateTimeFormat.[[Locale]] to r.[[locale]].
date_time_format.set_locale(move(result.locale));
// 19. Set calendar to r.[[ca]].
// 20. Set dateTimeFormat.[[Calendar]] to calendar.
// 19. Set resolvedCalendar to r.[[ca]].
// 20. Set dateTimeFormat.[[Calendar]] to resolvedCalendar.
if (result.ca.has_value())
date_time_format.set_calendar(result.ca.release_value());
@ -176,68 +176,52 @@ ThrowCompletionOr<DateTimeFormat*> initialize_date_time_format(GlobalObject& glo
Optional<Unicode::HourCycle> hour_cycle_value;
// 25. If r.[[hc]] is null, then
if (!result.hc.has_value()) {
// a. Let hc be hcDefault.
hour_cycle_value = default_hour_cycle;
}
// 26. If hour12 is true, then
// 25. If hour12 is true, then
if (hour12.is_boolean() && hour12.as_bool()) {
// a. If hcDefault is "h11" or "h23", then
if ((default_hour_cycle == Unicode::HourCycle::H11) || (default_hour_cycle == Unicode::HourCycle::H23)) {
// i. Let hc be "h11".
// a. If hcDefault is "h11" or "h23", let hc be "h11". Otherwise, let hc be "h12".
if ((default_hour_cycle == Unicode::HourCycle::H11) || (default_hour_cycle == Unicode::HourCycle::H23))
hour_cycle_value = Unicode::HourCycle::H11;
}
// b. Else,
else {
// i. Let hc be "h12".
else
hour_cycle_value = Unicode::HourCycle::H12;
}
}
// 27. Else if hour12 is false, then
// 26. Else if hour12 is false, then
else if (hour12.is_boolean() && !hour12.as_bool()) {
// a. If hcDefault is "h11" or "h23", then
if ((default_hour_cycle == Unicode::HourCycle::H11) || (default_hour_cycle == Unicode::HourCycle::H23)) {
// i. Let hc be "h23".
// a. If hcDefault is "h11" or "h23", let hc be "h23". Otherwise, let hc be "h24".
if ((default_hour_cycle == Unicode::HourCycle::H11) || (default_hour_cycle == Unicode::HourCycle::H23))
hour_cycle_value = Unicode::HourCycle::H23;
}
// b. Else,
else {
// i. Let hc be "h24".
else
hour_cycle_value = Unicode::HourCycle::H24;
}
}
// 28. Else,
// 27. Else,
else {
// a. Let hc be r.[[hc]].
// a. Assert: hour12 is undefined.
VERIFY(hour12.is_undefined());
// b. Let hc be r.[[hc]].
if (result.hc.has_value())
hour_cycle_value = Unicode::hour_cycle_from_string(*result.hc);
// b. Assert: hour12 is undefined.
VERIFY(hour12.is_undefined());
// 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.
// 28. Set dateTimeFormat.[[HourCycle]] to hc.
if (hour_cycle_value.has_value())
date_time_format.set_hour_cycle(*hour_cycle_value);
// 30. Let formatOptions be a new Record.
Unicode::CalendarPattern format_options {};
// 31. Set formatOptions.[[hourCycle]] to hc.
format_options.hour_cycle = hour_cycle_value;
// 32. Let timeZone be ? Get(options, "timeZone").
// 29. Let timeZone be ? Get(options, "timeZone").
auto time_zone_value = TRY(options->get(vm.names.timeZone));
String time_zone;
// 33. If timeZone is undefined, then
// 30. If timeZone is undefined, then
if (time_zone_value.is_undefined()) {
// a. Set timeZone to ! DefaultTimeZone().
time_zone = Temporal::default_time_zone();
}
// 34. Else,
// 31. Else,
else {
// a. Set timeZone to ? ToString(timeZone).
time_zone = TRY(time_zone_value.to_string(global_object));
@ -252,14 +236,20 @@ ThrowCompletionOr<DateTimeFormat*> initialize_date_time_format(GlobalObject& glo
time_zone = Temporal::canonicalize_time_zone_name(time_zone);
}
// 35. Set dateTimeFormat.[[TimeZone]] to timeZone.
// 32. Set dateTimeFormat.[[TimeZone]] to timeZone.
date_time_format.set_time_zone(move(time_zone));
// 36. Let hasExplicitFormatComponents be false.
// 33. Let formatOptions be a new Record.
Unicode::CalendarPattern format_options {};
// 34. Set formatOptions.[[hourCycle]] to hc.
format_options.hour_cycle = hour_cycle_value;
// 35. 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
// 36. For each row of Table 6, except the header row, in table order, do
TRY(for_each_calendar_field(global_object, format_options, [&](auto& option, auto const& property, auto const& values) -> ThrowCompletionOr<void> {
using ValueType = typename RemoveReference<decltype(option)>::ValueType;
@ -298,26 +288,26 @@ ThrowCompletionOr<DateTimeFormat*> initialize_date_time_format(GlobalObject& glo
return {};
}));
// 38. Let matcher be ? GetOption(options, "formatMatcher", "string", « "basic", "best fit" », "best fit").
// 37. Let matcher be ? GetOption(options, "formatMatcher", "string", « "basic", "best fit" », "best fit").
matcher = TRY(get_option(global_object, *options, vm.names.formatMatcher, Value::Type::String, AK::Array { "basic"sv, "best fit"sv }, "best fit"sv));
// 39. Let dateStyle be ? GetOption(options, "dateStyle", "string", « "full", "long", "medium", "short" », undefined).
// 38. Let dateStyle be ? GetOption(options, "dateStyle", "string", « "full", "long", "medium", "short" », undefined).
auto date_style = TRY(get_option(global_object, *options, vm.names.dateStyle, Value::Type::String, AK::Array { "full"sv, "long"sv, "medium"sv, "short"sv }, Empty {}));
// 40. Set dateTimeFormat.[[DateStyle]] to dateStyle.
// 39. Set dateTimeFormat.[[DateStyle]] to dateStyle.
if (!date_style.is_undefined())
date_time_format.set_date_style(date_style.as_string().string());
// 41. Let timeStyle be ? GetOption(options, "timeStyle", "string", « "full", "long", "medium", "short" », undefined).
// 40. Let timeStyle be ? GetOption(options, "timeStyle", "string", « "full", "long", "medium", "short" », undefined).
auto time_style = TRY(get_option(global_object, *options, vm.names.timeStyle, Value::Type::String, AK::Array { "full"sv, "long"sv, "medium"sv, "short"sv }, Empty {}));
// 42. Set dateTimeFormat.[[TimeStyle]] to timeStyle.
// 41. Set dateTimeFormat.[[TimeStyle]] to timeStyle.
if (!time_style.is_undefined())
date_time_format.set_time_style(time_style.as_string().string());
Optional<Unicode::CalendarPattern> best_format {};
// 43. If dateStyle is not undefined or timeStyle is not undefined, then
// 42. 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) {
@ -325,13 +315,13 @@ ThrowCompletionOr<DateTimeFormat*> initialize_date_time_format(GlobalObject& glo
return vm.throw_completion<TypeError>(global_object, ErrorType::IntlInvalidDateTimeFormatOption, *explicit_format_component, "dateStyle or timeStyle"sv);
}
// b. Let styles be dataLocaleData.[[styles]].[[<calendar>]].
// b. Let styles be dataLocaleData.[[styles]].[[<resolvedCalendar>]].
// c. Let bestFormat be DateTimeStyleFormat(dateStyle, timeStyle, styles).
best_format = date_time_style_format(data_locale, date_time_format);
}
// 44. Else,
// 43. Else,
else {
// a. Let formats be dataLocaleData.[[formats]].[[<calendar>]].
// a. Let formats be dataLocaleData.[[formats]].[[<resolvedCalendar>]].
auto formats = Unicode::get_calendar_available_formats(data_locale, date_time_format.calendar());
// b. If matcher is "basic", then
@ -346,7 +336,7 @@ ThrowCompletionOr<DateTimeFormat*> initialize_date_time_format(GlobalObject& glo
}
}
// 45. For each row in Table 6, except the header row, in table order, do
// 44. 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
@ -360,13 +350,13 @@ ThrowCompletionOr<DateTimeFormat*> initialize_date_time_format(GlobalObject& glo
String pattern;
Vector<Unicode::CalendarRangePattern> range_patterns;
// 46. If dateTimeFormat.[[Hour]] is undefined, then
// 45. 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
// 46. If dateTimeformat.[[HourCycle]] is "h11" or "h12", then
if ((hour_cycle_value == Unicode::HourCycle::H11) || (hour_cycle_value == Unicode::HourCycle::H12)) {
// a. Let pattern be bestFormat.[[pattern12]].
if (best_format->pattern12.has_value()) {
@ -380,7 +370,7 @@ ThrowCompletionOr<DateTimeFormat*> initialize_date_time_format(GlobalObject& glo
// b. Let rangePatterns be bestFormat.[[rangePatterns12]].
range_patterns = Unicode::get_calendar_range12_formats(data_locale, date_time_format.calendar(), best_format->skeleton);
}
// 48. Else,
// 47. Else,
else {
// a. Let pattern be bestFormat.[[pattern]].
pattern = move(best_format->pattern);
@ -389,13 +379,13 @@ ThrowCompletionOr<DateTimeFormat*> initialize_date_time_format(GlobalObject& glo
range_patterns = Unicode::get_calendar_range_formats(data_locale, date_time_format.calendar(), best_format->skeleton);
}
// 49. Set dateTimeFormat.[[Pattern]] to pattern.
// 48. Set dateTimeFormat.[[Pattern]] to pattern.
date_time_format.set_pattern(move(pattern));
// 50. Set dateTimeFormat.[[RangePatterns]] to rangePatterns.
// 49. Set dateTimeFormat.[[RangePatterns]] to rangePatterns.
date_time_format.set_range_patterns(move(range_patterns));
// 51. Return dateTimeFormat.
// 50. Return dateTimeFormat.
return &date_time_format;
}