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LibJS: Split ISO and non-ISO Temporal calendar operations
This is an editorial change in the Temporal proposal. See:
47042f2
This commit is contained in:
Timothy Flynn
Tim Flynn
parent
6d1f90c739
commit
a95d3e2a5e
Notes:
github-actions[bot]
2025-08-05 15:19:30 +00:00
Author: https://github.com/trflynn89
Commit: a95d3e2a5e
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5721
2 changed files with 99 additions and 42 deletions
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@ -2,7 +2,7 @@
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* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
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* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2023-2024, Shannon Booth <shannon@serenityos.org>
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* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
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* Copyright (c) 2024-2025, Tim Flynn <trflynn89@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -315,14 +315,21 @@ CalendarFields calendar_merge_fields(StringView calendar, CalendarFields const&
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return merged;
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}
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// 12.2.6 CalendarDateAdd ( calendar, isoDate, duration, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendardateadd
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// 12.2.6 NonISODateAdd ( calendar, isoDate, duration, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-nonisodateadd
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ThrowCompletionOr<ISODate> non_iso_date_add(VM& vm, StringView calendar, ISODate iso_date, DateDuration const& duration, Overflow overflow)
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{
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// FIXME: Return an ISODate for an ISO8601 calendar for now.
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(void)calendar;
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return calendar_date_add(vm, "iso8601"sv, iso_date, duration, overflow);
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}
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// 12.2.7 CalendarDateAdd ( calendar, isoDate, duration, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendardateadd
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ThrowCompletionOr<ISODate> calendar_date_add(VM& vm, StringView calendar, ISODate iso_date, DateDuration const& duration, Overflow overflow)
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{
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ISODate result;
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// 1. If calendar is "iso8601", then
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// FIXME: Return an ISODate for an ISO8601 calendar for now.
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if (true || calendar == "iso8601"sv) {
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if (calendar == "iso8601"sv) {
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// a. Let intermediate be BalanceISOYearMonth(isoDate.[[Year]] + duration.[[Years]], isoDate.[[Month]] + duration.[[Months]]).
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auto intermediate = balance_iso_year_month(static_cast<double>(iso_date.year) + duration.years, static_cast<double>(iso_date.month) + duration.months);
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@ -337,7 +344,8 @@ ThrowCompletionOr<ISODate> calendar_date_add(VM& vm, StringView calendar, ISODat
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}
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// 2. Else,
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else {
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// a. Let result be an implementation-defined ISO Date Record, or throw a RangeError exception, as described below.
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// a. Let result be ? NonISODateAdd(calendar, isoDate, duration, overflow).
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return non_iso_date_add(vm, calendar, iso_date, duration, overflow);
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}
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// 3. If ISODateWithinLimits(result) is false, throw a RangeError exception.
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@ -348,7 +356,15 @@ ThrowCompletionOr<ISODate> calendar_date_add(VM& vm, StringView calendar, ISODat
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return result;
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}
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// 12.2.7 CalendarDateUntil ( calendar, one, two, largestUnit ), https://tc39.es/proposal-temporal/#sec-temporal-calendardateuntil
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// 12.2.8 NonISODateUntil ( calendar, one, two, largestUnit ), https://tc39.es/proposal-temporal/#sec-temporal-nonisodateuntil
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DateDuration non_iso_date_until(VM& vm, StringView calendar, ISODate one, ISODate two, Unit largest_unit)
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{
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// FIXME: Return a DateDuration for an ISO8601 calendar for now.
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(void)calendar;
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return calendar_date_until(vm, "iso8601"sv, one, two, largest_unit);
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}
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// 12.2.9 CalendarDateUntil ( calendar, one, two, largestUnit ), https://tc39.es/proposal-temporal/#sec-temporal-calendardateuntil
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DateDuration calendar_date_until(VM& vm, StringView calendar, ISODate one, ISODate two, Unit largest_unit)
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{
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// 1. If calendar is "iso8601", then
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@ -437,12 +453,11 @@ DateDuration calendar_date_until(VM& vm, StringView calendar, ISODate one, ISODa
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return MUST(create_date_duration_record(vm, years, months, weeks, days));
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}
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// 2. Return an implementation-defined Date Duration Record as described above.
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// FIXME: Return a DateDuration for an ISO8601 calendar for now.
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return calendar_date_until(vm, "iso8601"sv, one, two, largest_unit);
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// 2. Return NonISODateUntil(calendar, one, two, largestUnit).
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return non_iso_date_until(vm, calendar, one, two, largest_unit);
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}
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// 12.2.8 ToTemporalCalendarIdentifier ( temporalCalendarLike ), https://tc39.es/proposal-temporal/#sec-temporal-totemporalcalendaridentifier
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// 12.2.10 ToTemporalCalendarIdentifier ( temporalCalendarLike ), https://tc39.es/proposal-temporal/#sec-temporal-totemporalcalendaridentifier
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ThrowCompletionOr<String> to_temporal_calendar_identifier(VM& vm, Value temporal_calendar_like)
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{
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// 1. If temporalCalendarLike is an Object, then
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@ -476,7 +491,7 @@ ThrowCompletionOr<String> to_temporal_calendar_identifier(VM& vm, Value temporal
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return TRY(canonicalize_calendar(vm, identifier));
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}
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// 12.2.9 GetTemporalCalendarIdentifierWithISODefault ( item ), https://tc39.es/proposal-temporal/#sec-temporal-gettemporalcalendarslotvaluewithisodefault
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// 12.2.11 GetTemporalCalendarIdentifierWithISODefault ( item ), https://tc39.es/proposal-temporal/#sec-temporal-gettemporalcalendarslotvaluewithisodefault
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ThrowCompletionOr<String> get_temporal_calendar_identifier_with_iso_default(VM& vm, Object const& item)
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{
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// 1. If item has an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]], [[InitializedTemporalMonthDay]],
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@ -506,7 +521,7 @@ ThrowCompletionOr<String> get_temporal_calendar_identifier_with_iso_default(VM&
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return TRY(to_temporal_calendar_identifier(vm, calendar_like));
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}
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// 12.2.10 CalendarDateFromFields ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendardatefromfields
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// 12.2.12 CalendarDateFromFields ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendardatefromfields
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ThrowCompletionOr<ISODate> calendar_date_from_fields(VM& vm, StringView calendar, CalendarFields& fields, Overflow overflow)
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{
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// 1. Perform ? CalendarResolveFields(calendar, fields, DATE).
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@ -523,7 +538,7 @@ ThrowCompletionOr<ISODate> calendar_date_from_fields(VM& vm, StringView calendar
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return result;
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}
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// 12.2.11 CalendarYearMonthFromFields ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendaryearmonthfromfields
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// 12.2.13 CalendarYearMonthFromFields ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendaryearmonthfromfields
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ThrowCompletionOr<ISODate> calendar_year_month_from_fields(VM& vm, StringView calendar, CalendarFields& fields, Overflow overflow)
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{
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// 1. Perform ? CalendarResolveFields(calendar, fields, YEAR-MONTH).
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@ -547,7 +562,7 @@ ThrowCompletionOr<ISODate> calendar_year_month_from_fields(VM& vm, StringView ca
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return result;
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}
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// 12.2.12 CalendarMonthDayFromFields ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendarmonthdayfromfields
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// 12.2.14 CalendarMonthDayFromFields ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendarmonthdayfromfields
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ThrowCompletionOr<ISODate> calendar_month_day_from_fields(VM& vm, StringView calendar, CalendarFields& fields, Overflow overflow)
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{
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// 1. Perform ? CalendarResolveFields(calendar, fields, MONTH-DAY).
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@ -564,7 +579,7 @@ ThrowCompletionOr<ISODate> calendar_month_day_from_fields(VM& vm, StringView cal
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return result;
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}
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// 12.2.13 FormatCalendarAnnotation ( id, showCalendar ), https://tc39.es/proposal-temporal/#sec-temporal-formatcalendarannotation
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// 12.2.15 FormatCalendarAnnotation ( id, showCalendar ), https://tc39.es/proposal-temporal/#sec-temporal-formatcalendarannotation
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String format_calendar_annotation(StringView id, ShowCalendar show_calendar)
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{
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// 1. If showCalendar is NEVER, return the empty String.
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@ -582,7 +597,7 @@ String format_calendar_annotation(StringView id, ShowCalendar show_calendar)
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return MUST(String::formatted("[{}u-ca={}]", flag, id));
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}
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// 12.2.14 CalendarEquals ( one, two ), https://tc39.es/proposal-temporal/#sec-temporal-calendarequals
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// 12.2.16 CalendarEquals ( one, two ), https://tc39.es/proposal-temporal/#sec-temporal-calendarequals
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bool calendar_equals(StringView one, StringView two)
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{
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// 1. If CanonicalizeUValue("ca", one) is CanonicalizeUValue("ca", two), return true.
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@ -591,7 +606,7 @@ bool calendar_equals(StringView one, StringView two)
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== Unicode::canonicalize_unicode_extension_values("ca"sv, two);
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}
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// 12.2.15 ISODaysInMonth ( year, month ), https://tc39.es/proposal-temporal/#sec-temporal-isodaysinmonth
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// 12.2.17 ISODaysInMonth ( year, month ), https://tc39.es/proposal-temporal/#sec-temporal-isodaysinmonth
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u8 iso_days_in_month(double year, double month)
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{
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// 1. If month is 1, 3, 5, 7, 8, 10, or 12, return 31.
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@ -609,7 +624,7 @@ u8 iso_days_in_month(double year, double month)
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return 28 + mathematical_in_leap_year(epoch_time_for_year(year));
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}
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// 12.2.16 ISOWeekOfYear ( isoDate ), https://tc39.es/proposal-temporal/#sec-temporal-isoweekofyear
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// 12.2.18 ISOWeekOfYear ( isoDate ), https://tc39.es/proposal-temporal/#sec-temporal-isoweekofyear
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YearWeek iso_week_of_year(ISODate iso_date)
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{
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// 1. Let year be isoDate.[[Year]].
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@ -690,7 +705,7 @@ YearWeek iso_week_of_year(ISODate iso_date)
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return { .week = week, .year = year };
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}
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// 12.2.17 ISODayOfYear ( isoDate ), https://tc39.es/proposal-temporal/#sec-temporal-isodayofyear
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// 12.2.19 ISODayOfYear ( isoDate ), https://tc39.es/proposal-temporal/#sec-temporal-isodayofyear
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u16 iso_day_of_year(ISODate iso_date)
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{
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// 1. Let epochDays be ISODateToEpochDays(isoDate.[[Year]], isoDate.[[Month]] - 1, isoDate.[[Day]]).
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@ -700,7 +715,7 @@ u16 iso_day_of_year(ISODate iso_date)
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return epoch_time_to_day_in_year(epoch_days_to_epoch_ms(epoch_days, 0)) + 1;
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}
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// 12.2.18 ISODayOfWeek ( isoDate ), https://tc39.es/proposal-temporal/#sec-temporal-isodayofweek
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// 12.2.20 ISODayOfWeek ( isoDate ), https://tc39.es/proposal-temporal/#sec-temporal-isodayofweek
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u8 iso_day_of_week(ISODate iso_date)
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{
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// 1. Let epochDays be ISODateToEpochDays(isoDate.[[Year]], isoDate.[[Month]] - 1, isoDate.[[Day]]).
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@ -717,7 +732,15 @@ u8 iso_day_of_week(ISODate iso_date)
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return day_of_week;
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}
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// 12.2.19 CalendarDateToISO ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendardatetoiso
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// 12.2.21 NonISOCalendarDateToISO ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-nonisocalendardatetoiso
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ThrowCompletionOr<ISODate> non_iso_calendar_date_to_iso(VM& vm, StringView calendar, CalendarFields const& fields, Overflow overflow)
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{
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// FIXME: Create an ISODateRecord based on an ISO8601 calendar for now. See also: CalendarResolveFields.
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(void)calendar;
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return calendar_date_to_iso(vm, "iso8601"sv, fields, overflow);
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}
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// 12.2.22 CalendarDateToISO ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendardatetoiso
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ThrowCompletionOr<ISODate> calendar_date_to_iso(VM& vm, StringView calendar, CalendarFields const& fields, Overflow overflow)
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{
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// 1. If calendar is "iso8601", then
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@ -731,12 +754,19 @@ ThrowCompletionOr<ISODate> calendar_date_to_iso(VM& vm, StringView calendar, Cal
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return TRY(regulate_iso_date(vm, *fields.year, *fields.month, *fields.day, overflow));
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}
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// 2. Return an implementation-defined ISO Date Record, or throw a RangeError exception, as described below.
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// FIXME: Create an ISODateRecord based on an ISO8601 calendar for now. See also: CalendarResolveFields.
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return calendar_date_to_iso(vm, "iso8601"sv, fields, overflow);
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// 2. Return ? NonISOCalendarDateToISO(calendar, fields, overflow).
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return non_iso_calendar_date_to_iso(vm, calendar, fields, overflow);
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}
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// 12.2.20 CalendarMonthDayToISOReferenceDate ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendarmonthdaytoisoreferencedate
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// 12.2.23 NonISOMonthDayToISOReferenceDate ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-nonisomonthdaytoisoreferencedate
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ThrowCompletionOr<ISODate> non_iso_month_day_to_iso_reference_date(VM& vm, StringView calendar, CalendarFields const& fields, Overflow overflow)
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{
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// FIXME: Create an ISODateRecord based on an ISO8601 calendar for now. See also: CalendarResolveFields.
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(void)calendar;
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return calendar_month_day_to_iso_reference_date(vm, "iso8601"sv, fields, overflow);
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}
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// 12.2.24 CalendarMonthDayToISOReferenceDate ( calendar, fields, overflow ), https://tc39.es/proposal-temporal/#sec-temporal-calendarmonthdaytoisoreferencedate
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ThrowCompletionOr<ISODate> calendar_month_day_to_iso_reference_date(VM& vm, StringView calendar, CalendarFields const& fields, Overflow overflow)
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{
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// 1. If calendar is "iso8601", then
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@ -758,12 +788,19 @@ ThrowCompletionOr<ISODate> calendar_month_day_to_iso_reference_date(VM& vm, Stri
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return create_iso_date_record(reference_iso_year, result.month, result.day);
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}
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// 2. Return an implementation-defined ISO Date Record, or throw a RangeError exception, as described below.
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// FIXME: Create an ISODateRecord based on an ISO8601 calendar for now. See also: CalendarResolveFields.
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return calendar_month_day_to_iso_reference_date(vm, "iso8601"sv, fields, overflow);
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// 2. Return ? NonISOMonthDayToISOReferenceDate(calendar, fields, overflow).
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return non_iso_month_day_to_iso_reference_date(vm, calendar, fields, overflow);
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}
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// 12.2.21 CalendarISOToDate ( calendar, isoDate ), https://tc39.es/proposal-temporal/#sec-temporal-calendarisotodate
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// 12.2.25 NonISOCalendarISOToDate ( calendar, isoDate ), https://tc39.es/proposal-temporal/#sec-temporal-nonisocalendarisotodate
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CalendarDate non_iso_calendar_iso_to_date(StringView calendar, ISODate iso_date)
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{
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// FIXME: Return an ISO8601 calendar date for now.
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(void)calendar;
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return calendar_iso_to_date("iso8601"sv, iso_date);
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}
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// 12.2.26 CalendarISOToDate ( calendar, isoDate ), https://tc39.es/proposal-temporal/#sec-temporal-calendarisotodate
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CalendarDate calendar_iso_to_date(StringView calendar, ISODate iso_date)
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{
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// 1. If calendar is "iso8601", then
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@ -798,12 +835,11 @@ CalendarDate calendar_iso_to_date(StringView calendar, ISODate iso_date)
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};
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}
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// 2. Return an implementation-defined Calendar Date Record with fields as described in Table 18.
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// FIXME: Return an ISO8601 calendar date for now.
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return calendar_iso_to_date("iso8601"sv, iso_date);
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// 2. Return NonISOCalendarISOToDate(calendar, isoDate).
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return non_iso_calendar_iso_to_date(calendar, iso_date);
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}
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// 12.2.22 CalendarExtraFields ( calendar, fields ), https://tc39.es/proposal-temporal/#sec-temporal-calendarextrafields
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// 12.2.27 CalendarExtraFields ( calendar, fields ), https://tc39.es/proposal-temporal/#sec-temporal-calendarextrafields
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Vector<CalendarField> calendar_extra_fields(StringView calendar, CalendarFieldList)
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{
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// 1. If calendar is "iso8601", return an empty List.
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@ -814,7 +850,15 @@ Vector<CalendarField> calendar_extra_fields(StringView calendar, CalendarFieldLi
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return {};
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}
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// 12.2.23 CalendarFieldKeysToIgnore ( calendar, keys ), https://tc39.es/proposal-temporal/#sec-temporal-calendarfieldkeystoignore
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// 12.2.28 NonISOFieldKeysToIgnore ( calendar, keys ), https://tc39.es/proposal-temporal/#sec-temporal-nonisofieldkeystoignore
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Vector<CalendarField> non_iso_field_keys_to_ignore(StringView calendar, ReadonlySpan<CalendarField> keys)
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{
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// FIXME: Return keys for an ISO8601 calendar for now.
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(void)calendar;
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return calendar_field_keys_to_ignore("iso8601"sv, keys);
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}
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// 12.2.29 CalendarFieldKeysToIgnore ( calendar, keys ), https://tc39.es/proposal-temporal/#sec-temporal-calendarfieldkeystoignore
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Vector<CalendarField> calendar_field_keys_to_ignore(StringView calendar, ReadonlySpan<CalendarField> keys)
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{
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// 1. If calendar is "iso8601", then
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@ -842,12 +886,19 @@ Vector<CalendarField> calendar_field_keys_to_ignore(StringView calendar, Readonl
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return ignored_keys;
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}
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// 2. Return an implementation-defined List as described below.
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// FIXME: Return keys for an ISO8601 calendar for now.
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return calendar_field_keys_to_ignore("iso8601"sv, keys);
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// 2. Return NonISOFieldKeysToIgnore(calendar, keys).
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return non_iso_field_keys_to_ignore(calendar, keys);
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}
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// 12.2.24 CalendarResolveFields ( calendar, fields, type ), https://tc39.es/proposal-temporal/#sec-temporal-calendarresolvefields
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// 12.2.30 NonISOResolveFields ( calendar, fields, type ), https://tc39.es/proposal-temporal/#sec-temporal-nonisoresolvefields
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ThrowCompletionOr<void> non_iso_resolve_fields(VM& vm, StringView calendar, CalendarFields& fields, DateType type)
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{
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// FIXME: Resolve fields as an ISO8601 calendar for now. See also: CalendarMonthDayToISOReferenceDate.
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(void)calendar;
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return calendar_resolve_fields(vm, "iso8601"sv, fields, type);
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}
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// 12.2.31 CalendarResolveFields ( calendar, fields, type ), https://tc39.es/proposal-temporal/#sec-temporal-calendarresolvefields
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ThrowCompletionOr<void> calendar_resolve_fields(VM& vm, StringView calendar, CalendarFields& fields, DateType type)
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{
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// 1. If calendar is "iso8601", then
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@ -907,9 +958,8 @@ ThrowCompletionOr<void> calendar_resolve_fields(VM& vm, StringView calendar, Cal
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}
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// 2. Else,
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else {
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// a. Perform implementation-defined processing to mutate fields, or throw a TypeError or RangeError exception, as described below.
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// FIXME: Resolve fields as an ISO8601 calendar for now. See also: CalendarMonthDayToISOReferenceDate.
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TRY(calendar_resolve_fields(vm, "iso8601"sv, fields, type));
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// a. Perform ? NonISOResolveFields(calendar, fields, type).
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return TRY(non_iso_resolve_fields(vm, calendar, fields, type));
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}
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// 3. Return UNUSED.
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@ -2,7 +2,7 @@
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* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
|
||||
* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
|
||||
* Copyright (c) 2023-2024, Shannon Booth <shannon@serenityos.org>
|
||||
* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
|
||||
* Copyright (c) 2024-2025, Tim Flynn <trflynn89@ladybird.org>
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*/
|
||||
|
|
@ -110,15 +110,22 @@ u16 iso_day_of_year(ISODate);
|
|||
u8 iso_day_of_week(ISODate);
|
||||
Vector<CalendarField> calendar_field_keys_present(CalendarFields const&);
|
||||
CalendarFields calendar_merge_fields(StringView calendar, CalendarFields const& fields, CalendarFields const& additional_fields);
|
||||
ThrowCompletionOr<ISODate> non_iso_date_add(VM&, StringView calendar, ISODate, DateDuration const&, Overflow);
|
||||
ThrowCompletionOr<ISODate> calendar_date_add(VM&, StringView calendar, ISODate, DateDuration const&, Overflow);
|
||||
DateDuration non_iso_date_until(VM&, StringView calendar, ISODate, ISODate, Unit largest_unit);
|
||||
DateDuration calendar_date_until(VM&, StringView calendar, ISODate, ISODate, Unit largest_unit);
|
||||
ThrowCompletionOr<String> to_temporal_calendar_identifier(VM&, Value temporal_calendar_like);
|
||||
ThrowCompletionOr<String> get_temporal_calendar_identifier_with_iso_default(VM&, Object const& item);
|
||||
ThrowCompletionOr<ISODate> non_iso_calendar_date_to_iso(VM&, StringView calendar, CalendarFields const&, Overflow);
|
||||
ThrowCompletionOr<ISODate> calendar_date_to_iso(VM&, StringView calendar, CalendarFields const&, Overflow);
|
||||
ThrowCompletionOr<ISODate> non_iso_month_day_to_iso_reference_date(VM&, StringView calendar, CalendarFields const&, Overflow);
|
||||
ThrowCompletionOr<ISODate> calendar_month_day_to_iso_reference_date(VM&, StringView calendar, CalendarFields const&, Overflow);
|
||||
CalendarDate non_iso_calendar_iso_to_date(StringView calendar, ISODate);
|
||||
CalendarDate calendar_iso_to_date(StringView calendar, ISODate);
|
||||
Vector<CalendarField> calendar_extra_fields(StringView calendar, CalendarFieldList);
|
||||
Vector<CalendarField> non_iso_field_keys_to_ignore(StringView calendar, ReadonlySpan<CalendarField>);
|
||||
Vector<CalendarField> calendar_field_keys_to_ignore(StringView calendar, ReadonlySpan<CalendarField>);
|
||||
ThrowCompletionOr<void> non_iso_resolve_fields(VM&, StringView calendar, CalendarFields&, DateType);
|
||||
ThrowCompletionOr<void> calendar_resolve_fields(VM&, StringView calendar, CalendarFields&, DateType);
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
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Reference in a new issue