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LibJS: Refactor Temporal since/until to common AOs

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This is an editorial change in the Temporal spec.

See: 85a9f57
This commit is contained in:
Linus Groh 2022-05-07 13:32:19 +02:00
parent fc6cf3cb9d
commit cc8f5151d7
19 changed files with 493 additions and 612 deletions
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5
Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.h
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@ -22,6 +22,11 @@ enum class ArithmeticOperation {
Subtract,
};
enum class DifferenceOperation {
Since,
Until,
};
enum class OptionType {
Boolean,
String,

64
Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp
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@ -281,7 +281,69 @@ ThrowCompletionOr<String> temporal_instant_to_string(GlobalObject& global_object
return String::formatted("{}{}", date_time_string, time_zone_string);
}
// 8.5.10 AddDurationToOrSubtractDurationFromInstant ( operation, instant, temporalDurationLike ), https://tc39.es/proposal-temporal/#sec-temporal-adddurationtoorsubtractdurationfrominstant
// 8.5.10 DifferenceTemporalInstant ( operation, instant, other, options ), https://tc39.es/proposal-temporal/#sec-temporal-differencetemporalinstant
ThrowCompletionOr<Duration*> difference_temporal_instant(GlobalObject& global_object, DifferenceOperation operation, Instant const& instant, Value other_value, Value options_value)
{
// 1. Set other to ? ToTemporalInstant(other).
auto* other = TRY(to_temporal_instant(global_object, other_value));
Instant const* first;
Instant const* second;
// 2. If operation is until, then
if (operation == DifferenceOperation::Until) {
// a. Let first be instant.
first = &instant;
// b. Let second be other.
second = other;
}
// 3. Else,
else {
// a. Let first be other.
first = other;
// b. Let second be instant.
second = &instant;
}
// 4. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, options_value));
// 5. Let smallestUnit be ? ToSmallestTemporalUnit(options, « "year", "month", "week", "day" », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "nanosecond"sv));
// 6. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("second", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("second"sv, *smallest_unit);
// 7. Let largestUnit be ? ToLargestTemporalUnit(options, « "year", "month", "week", "day" », "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "auto"sv, default_largest_unit));
// 8. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 9. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 10. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 11. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, *maximum, false));
// 12. Let roundedNs be ! DifferenceInstant(first.[[Nanoseconds]], second.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode).
auto* rounded_ns = difference_instant(global_object, first->nanoseconds(), second->nanoseconds(), rounding_increment, *smallest_unit, rounding_mode);
// 13. Assert: The following steps cannot fail due to overflow in the Number domain because abs(roundedNs) ≤ 1.728 × 10^22.
// 14. Let result be ! BalanceDuration(0, 0, 0, 0, 0, 0, roundedNs, largestUnit).
auto result = MUST(balance_duration(global_object, 0, 0, 0, 0, 0, 0, rounded_ns->big_integer(), *largest_unit));
// 15. Return ! CreateTemporalDuration(0, 0, 0, 0, result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]]).
return MUST(create_temporal_duration(global_object, 0, 0, 0, 0, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds));
}
// 8.5.11 AddDurationToOrSubtractDurationFromInstant ( operation, instant, temporalDurationLike ), https://tc39.es/proposal-temporal/#sec-temporal-adddurationtoorsubtractdurationfrominstant
ThrowCompletionOr<Instant*> add_duration_to_or_subtract_duration_from_instant(GlobalObject& global_object, ArithmeticOperation operation, Instant const& instant, Value temporal_duration_like)
{
// 1. If operation is subtract, let sign be -1. Otherwise, let sign be 1.

1
Userland/Libraries/LibJS/Runtime/Temporal/Instant.h
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@ -49,6 +49,7 @@ ThrowCompletionOr<BigInt*> add_instant(GlobalObject&, BigInt const& epoch_nanose
BigInt* difference_instant(GlobalObject&, BigInt const& nanoseconds1, BigInt const& nanoseconds2, u64 rounding_increment, StringView smallest_unit, StringView rounding_mode);
BigInt* round_temporal_instant(GlobalObject&, BigInt const& nanoseconds, u64 increment, StringView unit, StringView rounding_mode);
ThrowCompletionOr<String> temporal_instant_to_string(GlobalObject&, Instant&, Value time_zone, Variant<StringView, u8> const& precision);
ThrowCompletionOr<Duration*> difference_temporal_instant(GlobalObject&, DifferenceOperation, Instant const&, Value other, Value options);
ThrowCompletionOr<Instant*> add_duration_to_or_subtract_duration_from_instant(GlobalObject&, ArithmeticOperation, Instant const&, Value temporal_duration_like);
}

80
Userland/Libraries/LibJS/Runtime/Temporal/InstantPrototype.cpp
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@ -147,89 +147,29 @@ JS_DEFINE_NATIVE_FUNCTION(InstantPrototype::subtract)
// 8.3.9 Temporal.Instant.prototype.until ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.instant.prototype.until
JS_DEFINE_NATIVE_FUNCTION(InstantPrototype::until)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let instant be the this value.
// 2. Perform ? RequireInternalSlot(instant, [[InitializedTemporalInstant]]).
auto* instant = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalInstant(other).
auto* other = TRY(to_temporal_instant(global_object, vm.argument(0)));
// 4. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, vm.argument(1)));
// 5. Let smallestUnit be ? ToSmallestTemporalUnit(options, « "year", "month", "week", "day" », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "nanosecond"sv));
// 6. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("second", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("second"sv, *smallest_unit);
// 7. Let largestUnit be ? ToLargestTemporalUnit(options, « "year", "month", "week", "day" », "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "auto"sv, default_largest_unit));
// 8. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 9. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 10. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 11. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, *maximum, false));
// 12. Let roundedNs be ! DifferenceInstant(instant.[[Nanoseconds]], other.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode).
auto* rounded_ns = difference_instant(global_object, instant->nanoseconds(), other->nanoseconds(), rounding_increment, *smallest_unit, rounding_mode);
// 13. Let result be ! BalanceDuration(0, 0, 0, 0, 0, 0, roundedNs, largestUnit).
auto result = MUST(balance_duration(global_object, 0, 0, 0, 0, 0, 0, rounded_ns->big_integer(), *largest_unit));
// 14. Return ? CreateTemporalDuration(0, 0, 0, 0, result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]]).
return TRY(create_temporal_duration(global_object, 0, 0, 0, 0, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds));
// 3. Return ? DifferenceTemporalInstant(until, instant, other, options).
return TRY(difference_temporal_instant(global_object, DifferenceOperation::Until, *instant, other, options));
}
// 8.3.10 Temporal.Instant.prototype.since ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.instant.prototype.since
JS_DEFINE_NATIVE_FUNCTION(InstantPrototype::since)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let instant be the this value.
// 2. Perform ? RequireInternalSlot(instant, [[InitializedTemporalInstant]]).
auto* instant = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalInstant(other).
auto* other = TRY(to_temporal_instant(global_object, vm.argument(0)));
// 4. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, vm.argument(1)));
// 5. Let smallestUnit be ? ToSmallestTemporalUnit(options, « "year", "month", "week", "day" », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "nanosecond"sv));
// 6. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("second", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("second"sv, *smallest_unit);
// 7. Let largestUnit be ? ToLargestTemporalUnit(options, « "year", "month", "week", "day" », "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "auto"sv, move(default_largest_unit)));
// 8. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 9. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 10. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 11. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, *maximum, false));
// 12. Let roundedNs be ! DifferenceInstant(other.[[Nanoseconds]], instant.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode).
auto* rounded_ns = difference_instant(global_object, other->nanoseconds(), instant->nanoseconds(), rounding_increment, *smallest_unit, rounding_mode);
// 13. Let result be ! BalanceDuration(0, 0, 0, 0, 0, 0, roundedNs, largestUnit).
auto result = MUST(balance_duration(global_object, 0, 0, 0, 0, 0, 0, rounded_ns->big_integer(), *largest_unit));
// 14. Return ? CreateTemporalDuration(0, 0, 0, 0, result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]]).
return TRY(create_temporal_duration(global_object, 0, 0, 0, 0, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds));
// 3. Return ? DifferenceTemporalInstant(since, instant, other, options).
return TRY(difference_temporal_instant(global_object, DifferenceOperation::Since, *instant, other, options));
}
// 8.3.11 Temporal.Instant.prototype.round ( roundTo ), https://tc39.es/proposal-temporal/#sec-temporal.instant.prototype.round

63
Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp
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@ -486,4 +486,67 @@ i8 compare_iso_date(i32 year1, u8 month1, u8 day1, i32 year2, u8 month2, u8 day2
return 0;
}
// 3.5.11 DifferenceTemporalPlainDate ( operation, temporalDate, other, options ), https://tc39.es/proposal-temporal/#sec-temporal-differencetemporalplaindate
ThrowCompletionOr<Duration*> difference_temporal_plain_date(GlobalObject& global_object, DifferenceOperation operation, PlainDate& temporal_date, Value other_value, Value options_value)
{
auto& vm = global_object.vm();
// 1. If operation is since, let sign be -1. Otherwise, let sign be 1.
i8 sign = operation == DifferenceOperation::Since ? -1 : 1;
// 2. Set other to ? ToTemporalDate(other).
auto* other = TRY(to_temporal_date(global_object, other_value));
// 3. If ? CalendarEquals(temporalDate.[[Calendar]], other.[[Calendar]]) is false, throw a RangeError exception.
if (!TRY(calendar_equals(global_object, temporal_date.calendar(), other->calendar())))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
// 4. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, options_value));
// 5. Let disallowedUnits be « "hour", "minute", "second", "millisecond", "microsecond", "nanosecond" ».
auto disallowed_units = Vector<StringView> { "hour"sv, "minute"sv, "second"sv, "millisecond"sv, "microsecond"sv, "nanosecond"sv };
// 6. Let smallestUnit be ? ToSmallestTemporalUnit(options, disallowedUnits, "day").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, disallowed_units, "day"sv));
// 7. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("day", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("day"sv, *smallest_unit);
// 8. Let largestUnit be ? ToLargestTemporalUnit(options, disallowedUnits, "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, disallowed_units, "auto"sv, default_largest_unit));
// 9. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 10. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 11. If operation is since, then
if (operation == DifferenceOperation::Since) {
// a. Set roundingMode to ! NegateTemporalRoundingMode(roundingMode).
rounding_mode = negate_temporal_rounding_mode(rounding_mode);
}
// 12. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, undefined, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, {}, false));
// 13. Let untilOptions be ? MergeLargestUnitOption(options, largestUnit).
auto* until_options = TRY(merge_largest_unit_option(global_object, options, largest_unit.release_value()));
// 14. Let result be ? CalendarDateUntil(temporalDate.[[Calendar]], temporalDate, other, untilOptions).
auto* duration = TRY(calendar_date_until(global_object, temporal_date.calendar(), &temporal_date, other, *until_options));
auto result = DurationRecord { duration->years(), duration->months(), duration->weeks(), duration->days(), 0, 0, 0, 0, 0, 0 };
// 15. If smallestUnit is not "day" or roundingIncrement ≠ 1, then
if (*smallest_unit != "day"sv || rounding_increment != 1) {
// a. Set result to (? RoundDuration(result.[[Years]], result.[[Months]], result.[[Weeks]], result.[[Days]], 0, 0, 0, 0, 0, 0, roundingIncrement, smallestUnit, roundingMode, temporalDate)).[[DurationRecord]].
result = TRY(round_duration(global_object, result.years, result.months, result.weeks, result.days, 0, 0, 0, 0, 0, 0, rounding_increment, *smallest_unit, rounding_mode, &temporal_date)).duration_record;
}
// 16. Return ! CreateTemporalDuration(sign × result.[[Years]], sign × result.[[Months]], sign × result.[[Weeks]], sign × result.[[Days]], 0, 0, 0, 0, 0, 0).
return TRY(create_temporal_duration(global_object, sign * result.years, sign * result.months, sign * result.weeks, sign * result.days, 0, 0, 0, 0, 0, 0));
}
}

2
Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.h
View file

@ -10,6 +10,7 @@
#include <LibJS/Forward.h>
#include <LibJS/Runtime/Completion.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/Temporal/AbstractOperations.h>
namespace JS::Temporal {
@ -52,5 +53,6 @@ String pad_iso_year(i32 y);
ThrowCompletionOr<String> temporal_date_to_string(GlobalObject&, PlainDate&, StringView show_calendar);
ThrowCompletionOr<ISODate> add_iso_date(GlobalObject&, i32 year, u8 month, u8 day, double years, double months, double weeks, double days, StringView overflow);
i8 compare_iso_date(i32 year1, u8 month1, u8 day1, i32 year2, u8 month2, u8 day2);
ThrowCompletionOr<Duration*> difference_temporal_plain_date(GlobalObject&, DifferenceOperation, PlainDate&, Value other, Value options);
}

107
Userland/Libraries/LibJS/Runtime/Temporal/PlainDatePrototype.cpp
View file

@ -441,116 +441,29 @@ JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::with_calendar)
// 3.3.23 Temporal.PlainDate.prototype.until ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate.prototype.until
JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::until)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let temporalDate be the this value.
// 2. Perform ? RequireInternalSlot(temporalDate, [[InitializedTemporalDate]]).
auto* temporal_date = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalDate(other).
auto* other = TRY(to_temporal_date(global_object, vm.argument(0)));
// 4. If ? CalendarEquals(temporalDate.[[Calendar]], other.[[Calendar]]) is false, throw a RangeError exception.
if (!TRY(calendar_equals(global_object, temporal_date->calendar(), other->calendar())))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
// 5. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, vm.argument(1)));
// 6. Let disallowedUnits be « "hour", "minute", "second", "millisecond", "microsecond", "nanosecond" ».
Vector<StringView> disallowed_units { "hour"sv, "minute"sv, "second"sv, "millisecond"sv, "microsecond"sv, "nanosecond"sv };
// 7. Let smallestUnit be ? ToSmallestTemporalUnit(options, disallowedUnits, "day").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, disallowed_units, "day"sv));
// 8. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("day", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("day"sv, *smallest_unit);
// 9. Let largestUnit be ? ToLargestTemporalUnit(options, disallowedUnits, "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, disallowed_units, "auto"sv, default_largest_unit));
// 10. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 11. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 12. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, undefined, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, {}, false));
// 13. Let untilOptions be ? MergeLargestUnitOption(options, largestUnit).
auto* until_options = TRY(merge_largest_unit_option(global_object, options, move(*largest_unit)));
// 14. Let result be ? CalendarDateUntil(temporalDate.[[Calendar]], temporalDate, other, untilOptions).
auto* duration = TRY(calendar_date_until(global_object, temporal_date->calendar(), temporal_date, other, *until_options));
DurationRecord result { duration->years(), duration->months(), duration->weeks(), duration->days(), 0, 0, 0, 0, 0, 0 };
// 15. If smallestUnit is not "day" or roundingIncrement ≠ 1, then
if (*smallest_unit != "day"sv || rounding_increment != 1) {
// a. Set result to (? RoundDuration(result.[[Years]], result.[[Months]], result.[[Weeks]], result.[[Days]], 0, 0, 0, 0, 0, 0, roundingIncrement, smallestUnit, roundingMode, temporalDate)).[[DurationRecord]].
result = TRY(round_duration(global_object, result.years, result.months, result.weeks, result.days, 0, 0, 0, 0, 0, 0, rounding_increment, *smallest_unit, rounding_mode, temporal_date)).duration_record;
}
// 16. Return ! CreateTemporalDuration(result.[[Years]], result.[[Months]], result.[[Weeks]], result.[[Days]], 0, 0, 0, 0, 0, 0).
return MUST(create_temporal_duration(global_object, result.years, result.months, result.weeks, result.days, 0, 0, 0, 0, 0, 0));
// 3. Return ? DifferenceTemporalPlainDate(until, temporalDate, other, options).
return TRY(difference_temporal_plain_date(global_object, DifferenceOperation::Until, *temporal_date, other, options));
}
// 3.3.24 Temporal.PlainDate.prototype.since ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate.prototype.since
JS_DEFINE_NATIVE_FUNCTION(PlainDatePrototype::since)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let temporalDate be the this value.
// 2. Perform ? RequireInternalSlot(temporalDate, [[InitializedTemporalDate]]).
auto* temporal_date = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalDate(other).
auto* other = TRY(to_temporal_date(global_object, vm.argument(0)));
// 4. If ? CalendarEquals(temporalDate.[[Calendar]], other.[[Calendar]]) is false, throw a RangeError exception.
if (!TRY(calendar_equals(global_object, temporal_date->calendar(), other->calendar())))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
// 5. Set options to ? GetOptionsObject(options).
auto* options = TRY(get_options_object(global_object, vm.argument(1)));
// 6. Let disallowedUnits be « "hour", "minute", "second", "millisecond", "microsecond", "nanosecond" ».
Vector<StringView> disallowed_units { "hour"sv, "minute"sv, "second"sv, "millisecond"sv, "microsecond"sv, "nanosecond"sv };
// 7. Let smallestUnit be ? ToSmallestTemporalUnit(options, disallowedUnits, "day").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, disallowed_units, "day"sv));
// 8. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("day", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("day"sv, *smallest_unit);
// 9. Let largestUnit be ? ToLargestTemporalUnit(options, disallowedUnits, "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, disallowed_units, "auto"sv, default_largest_unit));
// 10. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 11. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 12. Set roundingMode to ! NegateTemporalRoundingMode(roundingMode).
rounding_mode = negate_temporal_rounding_mode(rounding_mode);
// 13. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, undefined, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, {}, false));
// 14. Let untilOptions be ? MergeLargestUnitOption(options, largestUnit).
auto* until_options = TRY(merge_largest_unit_option(global_object, options, move(*largest_unit)));
// 15. Let result be ? CalendarDateUntil(temporalDate.[[Calendar]], temporalDate, other, untilOptions).
auto* duration = TRY(calendar_date_until(global_object, temporal_date->calendar(), temporal_date, other, *until_options));
DurationRecord result { duration->years(), duration->months(), duration->weeks(), duration->days(), 0, 0, 0, 0, 0, 0 };
// 16. If smallestUnit is not "day" or roundingIncrement ≠ 1, then
if (*smallest_unit != "day"sv || rounding_increment != 1) {
// a. Set result to (? RoundDuration(result.[[Years]], result.[[Months]], result.[[Weeks]], result.[[Days]], 0, 0, 0, 0, 0, 0, roundingIncrement, smallestUnit, roundingMode, temporalDate)).[[DurationRecord]].
result = TRY(round_duration(global_object, result.years, result.months, result.weeks, result.days, 0, 0, 0, 0, 0, 0, rounding_increment, *smallest_unit, rounding_mode, temporal_date)).duration_record;
}
// 17. Return ! CreateTemporalDuration(-result.[[Years]], -result.[[Months]], -result.[[Weeks]], -result.[[Days]], 0, 0, 0, 0, 0, 0).
return TRY(create_temporal_duration(global_object, -result.years, -result.months, -result.weeks, -result.days, 0, 0, 0, 0, 0, 0));
// 3. Return ? DifferenceTemporalPlainDate(since, temporalDate, other, options).
return TRY(difference_temporal_plain_date(global_object, DifferenceOperation::Since, *temporal_date, other, options));
}
// 3.3.25 Temporal.PlainDate.prototype.equals ( other ), https://tc39.es/proposal-temporal/#sec-temporal.plaindate.prototype.equals

63
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.cpp
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@ -391,7 +391,68 @@ ThrowCompletionOr<DurationRecord> difference_iso_date_time(GlobalObject& global_
return create_duration_record(date_difference->years(), date_difference->months(), date_difference->weeks(), balance_result.days, balance_result.hours, balance_result.minutes, balance_result.seconds, balance_result.milliseconds, balance_result.microseconds, balance_result.nanoseconds);
}
// 5.5.12 AddDurationToOrSubtractDurationFromPlainDateTime ( operation, dateTime, temporalDurationLike, options ), https://tc39.es/proposal-temporal/#sec-temporal-adddurationtoorsubtractdurationfromplaindatetime
// 5.5.12 DifferenceTemporalPlainDateTime ( operation, dateTime, other, options ), https://tc39.es/proposal-temporal/#sec-temporal-differencetemporalplaindatetime
ThrowCompletionOr<Duration*> difference_temporal_plain_date_time(GlobalObject& global_object, DifferenceOperation operation, PlainDateTime& date_time, Value other_value, Value options_value)
{
auto& vm = global_object.vm();
// 1. If operation is since, let sign be -1. Otherwise, let sign be 1.
i8 sign = operation == DifferenceOperation::Since ? -1 : 1;
// 2. Set other to ? ToTemporalDateTime(other).
auto* other = TRY(to_temporal_date_time(global_object, other_value));
// 3. If ? CalendarEquals(dateTime.[[Calendar]], other.[[Calendar]]) is false, throw a RangeError exception.
if (!TRY(calendar_equals(global_object, date_time.calendar(), other->calendar())))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
// 4. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, options_value));
// 5. Let smallestUnit be ? ToSmallestTemporalUnit(options, « », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, {}, "nanosecond"sv));
// 6. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("day", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("day"sv, *smallest_unit);
// 7. Let largestUnit be ? ToLargestTemporalUnit(options, « », "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, {}, "auto"sv, default_largest_unit));
// 8. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 9. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 10. If operation is since, then
if (operation == DifferenceOperation::Since) {
// a. Set roundingMode to ! NegateTemporalRoundingMode(roundingMode).
rounding_mode = negate_temporal_rounding_mode(rounding_mode);
}
// 11. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 12. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, Optional<double>(maximum), false));
// 13. Let diff be ? DifferenceISODateTime(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[ISOHour]], dateTime.[[ISOMinute]], dateTime.[[ISOSecond]], dateTime.[[ISOMillisecond]], dateTime.[[ISOMicrosecond]], dateTime.[[ISONanosecond]], other.[[ISOYear]], other.[[ISOMonth]], other.[[ISODay]], other.[[ISOHour]], other.[[ISOMinute]], other.[[ISOSecond]], other.[[ISOMillisecond]], other.[[ISOMicrosecond]], other.[[ISONanosecond]], dateTime.[[Calendar]], largestUnit, options).
auto diff = TRY(difference_iso_date_time(global_object, date_time.iso_year(), date_time.iso_month(), date_time.iso_day(), date_time.iso_hour(), date_time.iso_minute(), date_time.iso_second(), date_time.iso_millisecond(), date_time.iso_microsecond(), date_time.iso_nanosecond(), other->iso_year(), other->iso_month(), other->iso_day(), other->iso_hour(), other->iso_minute(), other->iso_second(), other->iso_millisecond(), other->iso_microsecond(), other->iso_nanosecond(), date_time.calendar(), *largest_unit, options));
// 14. Let relativeTo be ! CreateTemporalDate(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[Calendar]]).
auto* relative_to = MUST(create_temporal_date(global_object, date_time.iso_year(), date_time.iso_month(), date_time.iso_day(), date_time.calendar()));
// 15. Let roundResult be (? RoundDuration(diff.[[Years]], diff.[[Months]], diff.[[Weeks]], diff.[[Days]], diff.[[Hours]], diff.[[Minutes]], diff.[[Seconds]], diff.[[Milliseconds]], diff.[[Microseconds]], diff.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode, relativeTo)).[[DurationRecord]].
auto round_result = TRY(round_duration(global_object, diff.years, diff.months, diff.weeks, diff.days, diff.hours, diff.minutes, diff.seconds, diff.milliseconds, diff.microseconds, diff.nanoseconds, rounding_increment, *smallest_unit, rounding_mode, relative_to)).duration_record;
// 16. Let result be ? BalanceDuration(roundResult.[[Days]], roundResult.[[Hours]], roundResult.[[Minutes]], roundResult.[[Seconds]], roundResult.[[Milliseconds]], roundResult.[[Microseconds]], roundResult.[[Nanoseconds]], largestUnit).
auto result = MUST(balance_duration(global_object, round_result.days, round_result.hours, round_result.minutes, round_result.seconds, round_result.milliseconds, round_result.microseconds, Crypto::SignedBigInteger::create_from((i64)round_result.nanoseconds), *largest_unit));
// 17. Return ! CreateTemporalDuration(sign × roundResult.[[Years]], sign × roundResult.[[Months]], sign × roundResult.[[Weeks]], sign × result.[[Days]], sign × result.[[Hours]], sign × result.[[Minutes]], sign × result.[[Seconds]], sign × result.[[Milliseconds]], sign × result.[[Microseconds]], sign × result.[[Nanoseconds]]).
return MUST(create_temporal_duration(global_object, sign * round_result.years, sign * round_result.months, sign * round_result.weeks, sign * result.days, sign * result.hours, sign * result.minutes, sign * result.seconds, sign * result.milliseconds, sign * result.microseconds, sign * result.nanoseconds));
}
// 5.5.13 AddDurationToOrSubtractDurationFromPlainDateTime ( operation, dateTime, temporalDurationLike, options ), https://tc39.es/proposal-temporal/#sec-temporal-adddurationtoorsubtractdurationfromplaindatetime
ThrowCompletionOr<PlainDateTime*> add_duration_to_or_subtract_duration_from_plain_date_time(GlobalObject& global_object, ArithmeticOperation operation, PlainDateTime& date_time, Value temporal_duration_like, Value options_value)
{
// 1. If operation is subtract, let sign be -1. Otherwise, let sign be 1.

1
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.h
View file

@ -74,6 +74,7 @@ i8 compare_iso_date_time(i32 year1, u8 month1, u8 day1, u8 hour1, u8 minute1, u8
ThrowCompletionOr<TemporalPlainDateTime> add_date_time(GlobalObject&, i32 year, u8 month, u8 day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, Object& calendar, double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, Object* options);
ISODateTime round_iso_date_time(i32 year, u8 month, u8 day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, u64 increment, StringView unit, StringView rounding_mode, Optional<double> day_length = {});
ThrowCompletionOr<DurationRecord> difference_iso_date_time(GlobalObject&, i32 year1, u8 month1, u8 day1, u8 hour1, u8 minute1, u8 second1, u16 millisecond1, u16 microsecond1, u16 nanosecond1, i32 year2, u8 month2, u8 day2, u8 hour2, u8 minute2, u8 second2, u16 millisecond2, u16 microsecond2, u16 nanosecond2, Object& calendar, StringView largest_unit, Object const* options = nullptr);
ThrowCompletionOr<Duration*> difference_temporal_plain_date_time(GlobalObject&, DifferenceOperation, PlainDateTime&, Value other, Value options);
ThrowCompletionOr<PlainDateTime*> add_duration_to_or_subtract_duration_from_plain_date_time(GlobalObject&, ArithmeticOperation, PlainDateTime&, Value temporal_duration_like, Value options_value);
}

103
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTimePrototype.cpp
View file

@ -489,112 +489,29 @@ JS_DEFINE_NATIVE_FUNCTION(PlainDateTimePrototype::subtract)
// 5.3.28 Temporal.PlainDateTime.prototype.until ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.prototype.since
JS_DEFINE_NATIVE_FUNCTION(PlainDateTimePrototype::until)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let dateTime be the this value.
// 2. Perform ? RequireInternalSlot(dateTime, [[InitializedTemporalDateTime]]).
auto* date_time = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalDateTime(other).
auto* other = TRY(to_temporal_date_time(global_object, vm.argument(0)));
// 4. If ? CalendarEquals(dateTime.[[Calendar]], other.[[Calendar]]) is false, throw a RangeError exception.
if (!TRY(calendar_equals(global_object, date_time->calendar(), other->calendar())))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
// 5. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, vm.argument(1)));
// 6. Let smallestUnit be ? ToSmallestTemporalUnit(options, « », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, {}, "nanosecond"sv));
// 7. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("day", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("day"sv, *smallest_unit);
// 8. Let largestUnit be ? ToLargestTemporalUnit(options, « », "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, {}, "auto"sv, default_largest_unit));
// 9. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 10. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 11. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 12. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, Optional<double>(maximum), false));
// 13. Let diff be ? DifferenceISODateTime(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[ISOHour]], dateTime.[[ISOMinute]], dateTime.[[ISOSecond]], dateTime.[[ISOMillisecond]], dateTime.[[ISOMicrosecond]], dateTime.[[ISONanosecond]], other.[[ISOYear]], other.[[ISOMonth]], other.[[ISODay]], other.[[ISOHour]], other.[[ISOMinute]], other.[[ISOSecond]], other.[[ISOMillisecond]], other.[[ISOMicrosecond]], other.[[ISONanosecond]], dateTime.[[Calendar]], largestUnit, options).
auto diff = TRY(difference_iso_date_time(global_object, date_time->iso_year(), date_time->iso_month(), date_time->iso_day(), date_time->iso_hour(), date_time->iso_minute(), date_time->iso_second(), date_time->iso_millisecond(), date_time->iso_microsecond(), date_time->iso_nanosecond(), other->iso_year(), other->iso_month(), other->iso_day(), other->iso_hour(), other->iso_minute(), other->iso_second(), other->iso_millisecond(), other->iso_microsecond(), other->iso_nanosecond(), date_time->calendar(), *largest_unit, options));
// 14. Let relativeTo be ! CreateTemporalDate(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[Calendar]]).
auto* relative_to = MUST(create_temporal_date(global_object, date_time->iso_year(), date_time->iso_month(), date_time->iso_day(), date_time->calendar()));
// 15. Let roundResult be (? RoundDuration(diff.[[Years]], diff.[[Months]], diff.[[Weeks]], diff.[[Days]], diff.[[Hours]], diff.[[Minutes]], diff.[[Seconds]], diff.[[Milliseconds]], diff.[[Microseconds]], diff.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode, relativeTo)).[[DurationRecord]].
auto round_result = TRY(round_duration(global_object, diff.years, diff.months, diff.weeks, diff.days, diff.hours, diff.minutes, diff.seconds, diff.milliseconds, diff.microseconds, diff.nanoseconds, rounding_increment, *smallest_unit, rounding_mode, relative_to)).duration_record;
// 16. Let result be ! BalanceDuration(roundResult.[[Days]], roundResult.[[Hours]], roundResult.[[Minutes]], roundResult.[[Seconds]], roundResult.[[Milliseconds]], roundResult.[[Microseconds]], roundResult.[[Nanoseconds]], largestUnit).
auto result = MUST(balance_duration(global_object, round_result.days, round_result.hours, round_result.minutes, round_result.seconds, round_result.milliseconds, round_result.microseconds, Crypto::SignedBigInteger::create_from((i64)round_result.nanoseconds), *largest_unit));
// 17. Return ? CreateTemporalDuration(roundResult.[[Years]], roundResult.[[Months]], roundResult.[[Weeks]], result.[[Days]], result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]]).
return TRY(create_temporal_duration(global_object, round_result.years, round_result.months, round_result.weeks, result.days, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds));
// 3. Return ? DifferenceTemporalPlainDateTime(until, dateTime, other, options).
return TRY(difference_temporal_plain_date_time(global_object, DifferenceOperation::Until, *date_time, other, options));
}
// 5.3.29 Temporal.PlainDateTime.prototype.since ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.prototype.since
JS_DEFINE_NATIVE_FUNCTION(PlainDateTimePrototype::since)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let dateTime be the this value.
// 2. Perform ? RequireInternalSlot(dateTime, [[InitializedTemporalDateTime]]).
auto* date_time = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalDateTime(other).
auto* other = TRY(to_temporal_date_time(global_object, vm.argument(0)));
// 4. If ? CalendarEquals(dateTime.[[Calendar]], other.[[Calendar]]) is false, throw a RangeError exception.
if (!TRY(calendar_equals(global_object, date_time->calendar(), other->calendar())))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
// 5. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, vm.argument(1)));
// 6. Let smallestUnit be ? ToSmallestTemporalUnit(options, « », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, {}, "nanosecond"sv));
// 7. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("day", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("day"sv, *smallest_unit);
// 8. Let largestUnit be ? ToLargestTemporalUnit(options, « », "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, {}, "auto"sv, default_largest_unit));
// 9. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 10. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 11. Set roundingMode to ! NegateTemporalRoundingMode(roundingMode).
rounding_mode = negate_temporal_rounding_mode(rounding_mode);
// 12. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 13. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, Optional<double>(maximum), false));
// 14. Let diff be ? DifferenceISODateTime(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[ISOHour]], dateTime.[[ISOMinute]], dateTime.[[ISOSecond]], dateTime.[[ISOMillisecond]], dateTime.[[ISOMicrosecond]], dateTime.[[ISONanosecond]], other.[[ISOYear]], other.[[ISOMonth]], other.[[ISODay]], other.[[ISOHour]], other.[[ISOMinute]], other.[[ISOSecond]], other.[[ISOMillisecond]], other.[[ISOMicrosecond]], other.[[ISONanosecond]], dateTime.[[Calendar]], largestUnit, options).
auto diff = TRY(difference_iso_date_time(global_object, date_time->iso_year(), date_time->iso_month(), date_time->iso_day(), date_time->iso_hour(), date_time->iso_minute(), date_time->iso_second(), date_time->iso_millisecond(), date_time->iso_microsecond(), date_time->iso_nanosecond(), other->iso_year(), other->iso_month(), other->iso_day(), other->iso_hour(), other->iso_minute(), other->iso_second(), other->iso_millisecond(), other->iso_microsecond(), other->iso_nanosecond(), date_time->calendar(), *largest_unit, options));
// 15. Let relativeTo be ! CreateTemporalDate(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[Calendar]]).
auto* relative_to = MUST(create_temporal_date(global_object, date_time->iso_year(), date_time->iso_month(), date_time->iso_day(), date_time->calendar()));
// 16. Let roundResult be (? RoundDuration(diff.[[Years]], diff.[[Months]], diff.[[Weeks]], diff.[[Days]], diff.[[Hours]], diff.[[Minutes]], diff.[[Seconds]], diff.[[Milliseconds]], diff.[[Microseconds]], diff.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode, relativeTo)).[[DurationRecord]].
auto round_result = TRY(round_duration(global_object, diff.years, diff.months, diff.weeks, diff.days, diff.hours, diff.minutes, diff.seconds, diff.milliseconds, diff.microseconds, diff.nanoseconds, rounding_increment, *smallest_unit, rounding_mode, relative_to)).duration_record;
// 17. Let result be ! BalanceDuration(roundResult.[[Days]], roundResult.[[Hours]], roundResult.[[Minutes]], roundResult.[[Seconds]], roundResult.[[Milliseconds]], roundResult.[[Microseconds]], roundResult.[[Nanoseconds]], largestUnit).
auto result = MUST(balance_duration(global_object, round_result.days, round_result.hours, round_result.minutes, round_result.seconds, round_result.milliseconds, round_result.microseconds, Crypto::SignedBigInteger::create_from((i64)round_result.nanoseconds), *largest_unit));
// 18. Return ? CreateTemporalDuration(-roundResult.[[Years]], -roundResult.[[Months]], -roundResult.[[Weeks]], -result.[[Days]], -result.[[Hours]], -result.[[Minutes]], -result.[[Seconds]], -result.[[Milliseconds]], -result.[[Microseconds]], -result.[[Nanoseconds]]).
return TRY(create_temporal_duration(global_object, -round_result.years, -round_result.months, -round_result.weeks, -result.days, -result.hours, -result.minutes, -result.seconds, -result.milliseconds, -result.microseconds, -result.nanoseconds));
// 3. Return ? DifferenceTemporalPlainDateTime(since, dateTime, other, options).
return TRY(difference_temporal_plain_date_time(global_object, DifferenceOperation::Since, *date_time, other, options));
}
// 5.3.30 Temporal.PlainDateTime.prototype.round ( roundTo ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.prototype.round

63
Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.cpp
View file

@ -619,7 +619,68 @@ DaysAndTime round_time(u8 hour, u8 minute, u8 second, u16 millisecond, u16 micro
return balance_time(hour, minute, second, millisecond, microsecond, result);
}
// 4.5.14 AddDurationToOrSubtractDurationFromPlainTime ( operation, temporalTime, temporalDurationLike ), https://tc39.es/proposal-temporal/#sec-temporal-adddurationtoorsubtractdurationfromplaintime
// 4.5.14 DifferenceTemporalPlainTime ( operation, temporalTime, other, options ), https://tc39.es/proposal-temporal/#sec-temporal-differencetemporalplaintime
ThrowCompletionOr<Duration*> difference_temporal_plain_time(GlobalObject& global_object, DifferenceOperation operation, PlainTime const& temporal_time, Value other_value, Value options_value)
{
// 1. If operation is since, let sign be -1. Otherwise, let sign be 1.
i8 sign = operation == DifferenceOperation::Since ? -1 : 1;
PlainTime const* first;
PlainTime const* second;
// 2. Set other to ? ToTemporalTime(other).
auto* other = TRY(to_temporal_time(global_object, other_value));
// FIXME: Copied from DifferenceTemporalInstant, also needed here (spec issue, see https://github.com/tc39/proposal-temporal/pull/2184)
if (operation == DifferenceOperation::Until) {
first = &temporal_time;
second = other;
} else {
first = other;
second = &temporal_time;
}
// 3. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, options_value));
// 4. Let smallestUnit be ? ToSmallestTemporalUnit(options, « "year", "month", "week", "day" », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "nanosecond"sv));
// 5. Let largestUnit be ? ToLargestTemporalUnit(options, « "year", "month", "week", "day" », "auto", "hour").
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "auto"sv, "hour"sv));
// 6. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 7. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 8. If operation is since, then
if (operation == DifferenceOperation::Since) {
// a. Set roundingMode to ! NegateTemporalRoundingMode(roundingMode).
rounding_mode = negate_temporal_rounding_mode(rounding_mode);
}
// 9. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 10. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, Optional<double>(maximum), false));
// 11. Let result be ! DifferenceTime(other.[[ISOHour]], other.[[ISOMinute]], other.[[ISOSecond]], other.[[ISOMillisecond]], other.[[ISOMicrosecond]], other.[[ISONanosecond]], temporalTime.[[ISOHour]], temporalTime.[[ISOMinute]], temporalTime.[[ISOSecond]], temporalTime.[[ISOMillisecond]], temporalTime.[[ISOMicrosecond]], temporalTime.[[ISONanosecond]]).
auto result = difference_time(first->iso_hour(), first->iso_minute(), first->iso_second(), first->iso_millisecond(), first->iso_microsecond(), first->iso_nanosecond(), second->iso_hour(), second->iso_minute(), second->iso_second(), second->iso_millisecond(), second->iso_microsecond(), second->iso_nanosecond());
// 12. Set result to (? RoundDuration(0, 0, 0, 0, sign × result.[[Hours]], sign × result.[[Minutes]], sign × result.[[Seconds]], sign × result.[[Milliseconds]], sign × result.[[Microseconds]], sign × result.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode)).[[DurationRecord]].
auto rounded_result = TRY(round_duration(global_object, 0, 0, 0, 0, sign * result.hours, sign * result.minutes, sign * result.seconds, sign * result.milliseconds, sign * result.microseconds, sign * result.nanoseconds, rounding_increment, *smallest_unit, rounding_mode)).duration_record;
// 13. Set result to ? BalanceDuration(0, sign × result.[[Hours]], sign × result.[[Minutes]], sign × result.[[Seconds]], sign × result.[[Milliseconds]], sign × result.[[Microseconds]], sign × result.[[Nanoseconds]], largestUnit).
result = MUST(balance_duration(global_object, 0, sign * rounded_result.hours, sign * rounded_result.minutes, sign * rounded_result.seconds, sign * rounded_result.milliseconds, sign * rounded_result.microseconds, Crypto::SignedBigInteger { (i32)(sign * rounded_result.nanoseconds) }, *largest_unit));
// 14. Return ! CreateTemporalDuration(0, 0, 0, 0, result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]]).
return MUST(create_temporal_duration(global_object, 0, 0, 0, 0, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds));
}
// 4.5.15 AddDurationToOrSubtractDurationFromPlainTime ( operation, temporalTime, temporalDurationLike ), https://tc39.es/proposal-temporal/#sec-temporal-adddurationtoorsubtractdurationfromplaintime
ThrowCompletionOr<PlainTime*> add_duration_to_or_subtract_duration_from_plain_time(GlobalObject& global_object, ArithmeticOperation operation, PlainTime const& temporal_time, Value temporal_duration_like)
{
// 1. If operation is subtract, let sign be -1. Otherwise, let sign be 1.

1
Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.h
View file

@ -106,6 +106,7 @@ String temporal_time_to_string(u8 hour, u8 minute, u8 second, u16 millisecond, u
i8 compare_temporal_time(u8 hour1, u8 minute1, u8 second1, u16 millisecond1, u16 microsecond1, u16 nanosecond1, u8 hour2, u8 minute2, u8 second2, u16 millisecond2, u16 microsecond2, u16 nanosecond2);
DaysAndTime add_time(u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds);
DaysAndTime round_time(u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, u64 increment, StringView unit, StringView rounding_mode, Optional<double> day_length_ns = {});
ThrowCompletionOr<Duration*> difference_temporal_plain_time(GlobalObject&, DifferenceOperation, PlainTime const&, Value other, Value options);
ThrowCompletionOr<PlainTime*> add_duration_to_or_subtract_duration_from_plain_time(GlobalObject&, ArithmeticOperation, PlainTime const&, Value temporal_duration_like);
}

85
Userland/Libraries/LibJS/Runtime/Temporal/PlainTimePrototype.cpp
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@ -237,92 +237,31 @@ JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::with)
// 4.3.13 Temporal.PlainTime.prototype.until ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.prototype.until
JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::until)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let temporalTime be the this value.
// 2. Perform ? RequireInternalSlot(temporalTime, [[InitializedTemporalTime]]).
auto* temporal_time = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalTime(other).
auto* other = TRY(to_temporal_time(global_object, vm.argument(0)));
// 4. Set options to ? GetOptionsObject(options).
auto* options = TRY(get_options_object(global_object, vm.argument(1)));
// 5. Let smallestUnit be ? ToSmallestTemporalUnit(options, « "year", "month", "week", "day" », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "nanosecond"sv));
// 6. Let largestUnit be ? ToLargestTemporalUnit(options, « "year", "month", "week", "day" », "auto", "hour").
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "auto"sv, "hour"sv));
// 7. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 8. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 9. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 10. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, Optional<double>(maximum), false));
// 11. Let result be ! DifferenceTime(temporalTime.[[ISOHour]], temporalTime.[[ISOMinute]], temporalTime.[[ISOSecond]], temporalTime.[[ISOMillisecond]], temporalTime.[[ISOMicrosecond]], temporalTime.[[ISONanosecond]], other.[[ISOHour]], other.[[ISOMinute]], other.[[ISOSecond]], other.[[ISOMillisecond]], other.[[ISOMicrosecond]], other.[[ISONanosecond]]).
auto result = difference_time(temporal_time->iso_hour(), temporal_time->iso_minute(), temporal_time->iso_second(), temporal_time->iso_millisecond(), temporal_time->iso_microsecond(), temporal_time->iso_nanosecond(), other->iso_hour(), other->iso_minute(), other->iso_second(), other->iso_millisecond(), other->iso_microsecond(), other->iso_nanosecond());
// 12. Set result to (? RoundDuration(0, 0, 0, 0, result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode)).[[DurationRecord]].
auto rounded_result = TRY(round_duration(global_object, 0, 0, 0, 0, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds, rounding_increment, *smallest_unit, rounding_mode)).duration_record;
// 13. Set result to ! BalanceDuration(0, result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]], largestUnit).
result = MUST(balance_duration(global_object, 0, rounded_result.hours, rounded_result.minutes, rounded_result.seconds, rounded_result.milliseconds, rounded_result.microseconds, Crypto::SignedBigInteger { (i32)rounded_result.nanoseconds }, *largest_unit));
// 14. Return ? CreateTemporalDuration(0, 0, 0, 0, result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]]).
return TRY(create_temporal_duration(global_object, 0, 0, 0, 0, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds));
// 3. Return ? DifferenceTemporalPlainTime(since, temporalTime, other, options).
// FIXME: until, not since (spec issue, see https://github.com/tc39/proposal-temporal/pull/2183)
return TRY(difference_temporal_plain_time(global_object, DifferenceOperation::Until, *temporal_time, other, options));
}
// 4.3.14 Temporal.PlainTime.prototype.since ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.prototype.since
JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::since)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let temporalTime be the this value.
// 2. Perform ? RequireInternalSlot(temporalTime, [[InitializedTemporalTime]]).
auto* temporal_time = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalTime(other).
auto* other = TRY(to_temporal_time(global_object, vm.argument(0)));
// 4. Set options to ? GetOptionsObject(options).
auto* options = TRY(get_options_object(global_object, vm.argument(1)));
// 5. Let smallestUnit be ? ToSmallestTemporalUnit(options, « "year", "month", "week", "day" », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "nanosecond"sv));
// 6. Let largestUnit be ? ToLargestTemporalUnit(options, « "year", "month", "week", "day" », "auto", "hour").
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, { "year"sv, "month"sv, "week"sv, "day"sv }, "auto"sv, "hour"sv));
// 7. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 8. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 9. Set roundingMode to ! NegateTemporalRoundingMode(roundingMode).
rounding_mode = negate_temporal_rounding_mode(rounding_mode);
// 10. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 11. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, Optional<double>(maximum), false));
// 12. Let result be ! DifferenceTime(other.[[ISOHour]], other.[[ISOMinute]], other.[[ISOSecond]], other.[[ISOMillisecond]], other.[[ISOMicrosecond]], other.[[ISONanosecond]], temporalTime.[[ISOHour]], temporalTime.[[ISOMinute]], temporalTime.[[ISOSecond]], temporalTime.[[ISOMillisecond]], temporalTime.[[ISOMicrosecond]], temporalTime.[[ISONanosecond]]).
auto result = difference_time(other->iso_hour(), other->iso_minute(), other->iso_second(), other->iso_millisecond(), other->iso_microsecond(), other->iso_nanosecond(), temporal_time->iso_hour(), temporal_time->iso_minute(), temporal_time->iso_second(), temporal_time->iso_millisecond(), temporal_time->iso_microsecond(), temporal_time->iso_nanosecond());
// 13. Set result to (? RoundDuration(0, 0, 0, 0, -result.[[Hours]], -result.[[Minutes]], -result.[[Seconds]], -result.[[Milliseconds]], -result.[[Microseconds]], -result.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode)).[[DurationRecord]].
auto rounded_result = TRY(round_duration(global_object, 0, 0, 0, 0, -result.hours, -result.minutes, -result.seconds, -result.milliseconds, -result.microseconds, -result.nanoseconds, rounding_increment, *smallest_unit, rounding_mode)).duration_record;
// 14. Set result to ! BalanceDuration(0, -result.[[Hours]], -result.[[Minutes]], -result.[[Seconds]], -result.[[Milliseconds]], -result.[[Microseconds]], -result.[[Nanoseconds]], largestUnit).
result = MUST(balance_duration(global_object, 0, -rounded_result.hours, -rounded_result.minutes, -rounded_result.seconds, -rounded_result.milliseconds, -rounded_result.microseconds, Crypto::SignedBigInteger { (i32)-rounded_result.nanoseconds }, *largest_unit));
// 15. Return ? CreateTemporalDuration(0, 0, 0, 0, result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]]).
return TRY(create_temporal_duration(global_object, 0, 0, 0, 0, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds));
// 3. Return ? DifferenceTemporalPlainTime(until, temporalTime, other, options).
// FIXME: since, not until (spec issue, see https://github.com/tc39/proposal-temporal/pull/2183)
return TRY(difference_temporal_plain_time(global_object, DifferenceOperation::Since, *temporal_time, other, options));
}
// 4.3.15 Temporal.PlainTime.prototype.round ( roundTo ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.prototype.round

86
Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonth.cpp
View file

@ -257,7 +257,91 @@ ThrowCompletionOr<String> temporal_year_month_to_string(GlobalObject& global_obj
return String::formatted("{}{}", result, calendar_string);
}
// 9.5.9 AddDurationToOrSubtractDurationFromPlainYearMonth ( operation, yearMonth, temporalDurationLike, options ), https://tc39.es/proposal-temporal/#sec-temporal-addtemporalplainyearmonth
// 9.5.9 DifferenceTemporalPlainYearMonth ( operation, yearMonth, other, options ), https://tc39.es/proposal-temporal/#sec-temporal-differencetemporalplainyearmonth
ThrowCompletionOr<Duration*> difference_temporal_plain_year_month(GlobalObject& global_object, DifferenceOperation operation, PlainYearMonth& year_month, Value other_value, Value options_value)
{
auto& vm = global_object.vm();
// 1. If operation is since, let sign be -1. Otherwise, let sign be 1.
i8 sign = operation == DifferenceOperation::Since ? -1 : 1;
// 2. Set other to ? ToTemporalYearMonth(other).
auto* other = TRY(to_temporal_year_month(global_object, other_value));
// 3. Let calendar be yearMonth.[[Calendar]].
auto& calendar = year_month.calendar();
// 4. If ? CalendarEquals(calendar, other.[[Calendar]]) is false, throw a RangeError exception.
if (!TRY(calendar_equals(global_object, calendar, other->calendar())))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
// 5. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, options_value));
// 6. Let disallowedUnits be « "week", "day", "hour", "minute", "second", "millisecond", "microsecond", "nanosecond" ».
auto disallowed_units = Vector<StringView> { "week"sv, "day"sv, "hour"sv, "minute"sv, "second"sv, "millisecond"sv, "microsecond"sv, "nanosecond"sv };
// 7. Let smallestUnit be ? ToSmallestTemporalUnit(options, disallowedUnits, "month").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, disallowed_units, "month"sv));
// 8. Let largestUnit be ? ToLargestTemporalUnit(options, disallowedUnits, "auto", "year").
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, disallowed_units, "auto"sv, "year"sv));
// 9. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 10. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 11. If operation is since, then
if (operation == DifferenceOperation::Since) {
// a. Set roundingMode to ! NegateTemporalRoundingMode(roundingMode).
rounding_mode = negate_temporal_rounding_mode(rounding_mode);
}
// 12. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, undefined, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, {}, false));
// 13. Let fieldNames be ? CalendarFields(calendar, « "monthCode", "year" »).
auto field_names = TRY(calendar_fields(global_object, calendar, { "monthCode"sv, "year"sv }));
// 14. Let otherFields be ? PrepareTemporalFields(other, fieldNames, «»).
auto* other_fields = TRY(prepare_temporal_fields(global_object, *other, field_names, {}));
// 15. Perform ! CreateDataPropertyOrThrow(otherFields, "day", 1𝔽).
MUST(other_fields->create_data_property_or_throw(vm.names.day, Value(1)));
// 16. Let otherDate be ? CalendarDateFromFields(calendar, otherFields).
auto* other_date = TRY(calendar_date_from_fields(global_object, calendar, *other_fields));
// 17. Let thisFields be ? PrepareTemporalFields(yearMonth, fieldNames, «»).
auto* this_fields = TRY(prepare_temporal_fields(global_object, year_month, field_names, {}));
// 18. Perform ! CreateDataPropertyOrThrow(thisFields, "day", 1𝔽).
MUST(this_fields->create_data_property_or_throw(vm.names.day, Value(1)));
// 19. Let thisDate be ? CalendarDateFromFields(calendar, thisFields).
auto* this_date = TRY(calendar_date_from_fields(global_object, calendar, *this_fields));
// 20. Let untilOptions be ? MergeLargestUnitOption(options, largestUnit).
auto* until_options = TRY(merge_largest_unit_option(global_object, options, *largest_unit));
// 21. Let result be ? CalendarDateUntil(calendar, thisDate, otherDate, untilOptions).
auto* duration = TRY(calendar_date_until(global_object, calendar, this_date, other_date, *until_options));
auto result = DurationRecord { duration->years(), duration->months(), 0, 0, 0, 0, 0, 0, 0, 0 };
// 22. If smallestUnit is not "month" or roundingIncrement ≠ 1, then
if (smallest_unit != "month"sv || rounding_increment != 1) {
// a. Set result to (? RoundDuration(result.[[Years]], result.[[Months]], 0, 0, 0, 0, 0, 0, 0, 0, roundingIncrement, smallestUnit, roundingMode, thisDate)).[[DurationRecord]].
result = TRY(round_duration(global_object, result.years, result.months, 0, 0, 0, 0, 0, 0, 0, 0, rounding_increment, *smallest_unit, rounding_mode, this_date)).duration_record;
}
// 23. Return ! CreateTemporalDuration(sign × result.[[Years]], sign × result.[[Months]], 0, 0, 0, 0, 0, 0, 0, 0).
return MUST(create_temporal_duration(global_object, sign * result.years, sign * result.months, 0, 0, 0, 0, 0, 0, 0, 0));
}
// 9.5.10 AddDurationToOrSubtractDurationFromPlainYearMonth ( operation, yearMonth, temporalDurationLike, options ), https://tc39.es/proposal-temporal/#sec-temporal-addtemporalplainyearmonth
ThrowCompletionOr<PlainYearMonth*> add_duration_to_or_subtract_duration_from_plain_year_month(GlobalObject& global_object, ArithmeticOperation operation, PlainYearMonth& year_month, Value temporal_duration_like, Value options_value)
{
auto& vm = global_object.vm();

1
Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonth.h
View file

@ -48,6 +48,7 @@ ISOYearMonth balance_iso_year_month(double year, double month);
ISOYearMonth constrain_iso_year_month(double year, double month);
ThrowCompletionOr<PlainYearMonth*> create_temporal_year_month(GlobalObject&, i32 iso_year, u8 iso_month, Object& calendar, u8 reference_iso_day, FunctionObject const* new_target = nullptr);
ThrowCompletionOr<String> temporal_year_month_to_string(GlobalObject&, PlainYearMonth&, StringView show_calendar);
ThrowCompletionOr<Duration*> difference_temporal_plain_year_month(GlobalObject&, DifferenceOperation, PlainYearMonth&, Value other, Value options);
ThrowCompletionOr<PlainYearMonth*> add_duration_to_or_subtract_duration_from_plain_year_month(GlobalObject&, ArithmeticOperation, PlainYearMonth&, Value temporal_duration_like, Value options_value);
}

151
Userland/Libraries/LibJS/Runtime/Temporal/PlainYearMonthPrototype.cpp
View file

@ -267,160 +267,29 @@ JS_DEFINE_NATIVE_FUNCTION(PlainYearMonthPrototype::subtract)
// 9.3.14 Temporal.PlainYearMonth.prototype.until ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plainyearmonth.prototype.until
JS_DEFINE_NATIVE_FUNCTION(PlainYearMonthPrototype::until)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let yearMonth be the this value.
// 2. Perform ? RequireInternalSlot(yearMonth, [[InitializedTemporalYearMonth]]).
auto* year_month = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalYearMonth(other).
auto* other = TRY(to_temporal_year_month(global_object, vm.argument(0)));
// 4. Let calendar be yearMonth.[[Calendar]].
auto& calendar = year_month->calendar();
// 5. If ? CalendarEquals(calendar, other.[[Calendar]]) is false, throw a RangeError exception.
if (!TRY(calendar_equals(global_object, calendar, other->calendar())))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
// 6. Set options to ? GetOptionsObject(options).
auto* options = TRY(get_options_object(global_object, vm.argument(1)));
// 7. Let disallowedUnits be « "week", "day", "hour", "minute", "second", "millisecond", "microsecond", "nanosecond" ».
auto disallowed_units = Vector<StringView> { "week"sv, "day"sv, "hour"sv, "minute"sv, "second"sv, "millisecond"sv, "microsecond"sv, "nanosecond"sv };
// 8. Let smallestUnit be ? ToSmallestTemporalUnit(options, disallowedUnits, "month").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, disallowed_units, "month"sv));
// 9. Let largestUnit be ? ToLargestTemporalUnit(options, disallowedUnits, "auto", "year").
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, disallowed_units, "auto"sv, "year"));
// 10. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 11. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 12. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, undefined, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, {}, false));
// 13. Let fieldNames be ? CalendarFields(calendar, « "monthCode", "year" »).
auto field_names = TRY(calendar_fields(global_object, calendar, { "monthCode"sv, "year"sv }));
// 14. Let otherFields be ? PrepareTemporalFields(other, fieldNames, «»).
auto* other_fields = TRY(prepare_temporal_fields(global_object, *other, field_names, {}));
// 15. Perform ! CreateDataPropertyOrThrow(otherFields, "day", 1𝔽).
MUST(other_fields->create_data_property_or_throw(vm.names.day, Value(1)));
// 16. Let otherDate be ? CalendarDateFromFields(calendar, otherFields).
auto* other_date = TRY(calendar_date_from_fields(global_object, calendar, *other_fields));
// 17. Let thisFields be ? PrepareTemporalFields(yearMonth, fieldNames, «»).
auto* this_fields = TRY(prepare_temporal_fields(global_object, *year_month, field_names, {}));
// 18. Perform ! CreateDataPropertyOrThrow(thisFields, "day", 1𝔽).
MUST(this_fields->create_data_property_or_throw(vm.names.day, Value(1)));
// 19. Let thisDate be ? CalendarDateFromFields(calendar, thisFields).
auto* this_date = TRY(calendar_date_from_fields(global_object, calendar, *this_fields));
// 20. Let untilOptions be ? MergeLargestUnitOption(options, largestUnit).
auto* until_options = TRY(merge_largest_unit_option(global_object, options, *largest_unit));
// 21. Let result be ? CalendarDateUntil(calendar, thisDate, otherDate, untilOptions).
auto* result = TRY(calendar_date_until(global_object, calendar, this_date, other_date, *until_options));
// 22. If smallestUnit is "month" and roundingIncrement = 1, then
if (smallest_unit == "month"sv && rounding_increment == 1) {
// a. Return ! CreateTemporalDuration(result.[[Years]], result.[[Months]], 0, 0, 0, 0, 0, 0, 0, 0).
return MUST(create_temporal_duration(global_object, result->years(), result->months(), 0, 0, 0, 0, 0, 0, 0, 0));
}
// 23. Let result be (? RoundDuration(result.[[Years]], result.[[Months]], 0, 0, 0, 0, 0, 0, 0, 0, roundingIncrement, smallestUnit, roundingMode, thisDate)).[[DurationRecord]].
auto round_result = TRY(round_duration(global_object, result->years(), result->months(), 0, 0, 0, 0, 0, 0, 0, 0, rounding_increment, *smallest_unit, rounding_mode, this_date)).duration_record;
// 24. Return ! CreateTemporalDuration(result.[[Years]], result.[[Months]], 0, 0, 0, 0, 0, 0, 0, 0).
return MUST(create_temporal_duration(global_object, round_result.years, round_result.months, 0, 0, 0, 0, 0, 0, 0, 0));
// 3. Return ? DifferenceTemporalPlainYearMonth(until, yearMonth, other, options).
return TRY(difference_temporal_plain_year_month(global_object, DifferenceOperation::Until, *year_month, other, options));
}
// 9.3.15 Temporal.PlainYearMonth.prototype.since ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plainyearmonth.prototype.since
JS_DEFINE_NATIVE_FUNCTION(PlainYearMonthPrototype::since)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let yearMonth be the this value.
// 2. Perform ? RequireInternalSlot(yearMonth, [[InitializedTemporalYearMonth]]).
auto* year_month = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalYearMonth(other).
auto* other = TRY(to_temporal_year_month(global_object, vm.argument(0)));
// 4. Let calendar be yearMonth.[[Calendar]].
auto& calendar = year_month->calendar();
// 5. If ? CalendarEquals(calendar, other.[[Calendar]]) is false, throw a RangeError exception.
if (!TRY(calendar_equals(global_object, calendar, other->calendar())))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
// 6. Set options to ? GetOptionsObject(options).
auto* options = TRY(get_options_object(global_object, vm.argument(1)));
// 7. Let disallowedUnits be « "week", "day", "hour", "minute", "second", "millisecond", "microsecond", "nanosecond" ».
auto disallowed_units = Vector<StringView> { "week"sv, "day"sv, "hour"sv, "minute"sv, "second"sv, "millisecond"sv, "microsecond"sv, "nanosecond"sv };
// 8. Let smallestUnit be ? ToSmallestTemporalUnit(options, disallowedUnits, "month").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, disallowed_units, "month"sv));
// 9. Let largestUnit be ? ToLargestTemporalUnit(options, disallowedUnits, "auto", "year").
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, disallowed_units, "auto"sv, "year"));
// 10. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 11. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 12. Set roundingMode to ! NegateTemporalRoundingMode(roundingMode).
rounding_mode = negate_temporal_rounding_mode(rounding_mode);
// 13. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, undefined, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, {}, false));
// 14. Let fieldNames be ? CalendarFields(calendar, « "monthCode", "year" »).
auto field_names = TRY(calendar_fields(global_object, calendar, { "monthCode"sv, "year"sv }));
// 15. Let otherFields be ? PrepareTemporalFields(other, fieldNames, «»).
auto* other_fields = TRY(prepare_temporal_fields(global_object, *other, field_names, {}));
// 16. Perform ! CreateDataPropertyOrThrow(otherFields, "day", 1𝔽).
MUST(other_fields->create_data_property_or_throw(vm.names.day, Value(1)));
// 17. Let otherDate be ? CalendarDateFromFields(calendar, otherFields).
auto* other_date = TRY(calendar_date_from_fields(global_object, calendar, *other_fields));
// 18. Let thisFields be ? PrepareTemporalFields(yearMonth, fieldNames, «»).
auto* this_fields = TRY(prepare_temporal_fields(global_object, *year_month, field_names, {}));
// 19. Perform ! CreateDataPropertyOrThrow(thisFields, "day", 1𝔽).
MUST(this_fields->create_data_property_or_throw(vm.names.day, Value(1)));
// 20. Let thisDate be ? CalendarDateFromFields(calendar, thisFields).
auto* this_date = TRY(calendar_date_from_fields(global_object, calendar, *this_fields));
// 21. Let untilOptions be ? MergeLargestUnitOption(options, largestUnit).
auto* until_options = TRY(merge_largest_unit_option(global_object, options, *largest_unit));
// 22. Let result be ? CalendarDateUntil(calendar, thisDate, otherDate, untilOptions).
auto* result = TRY(calendar_date_until(global_object, calendar, this_date, other_date, *until_options));
// 23. If smallestUnit is "month" and roundingIncrement = 1, then
if (smallest_unit == "month"sv && rounding_increment == 1) {
// a. Return ! CreateTemporalDuration(-result.[[Years]], -result.[[Months]], 0, 0, 0, 0, 0, 0, 0, 0).
return MUST(create_temporal_duration(global_object, -result->years(), -result->months(), 0, 0, 0, 0, 0, 0, 0, 0));
}
// 24. Let result be (? RoundDuration(result.[[Years]], result.[[Months]], 0, 0, 0, 0, 0, 0, 0, 0, roundingIncrement, smallestUnit, roundingMode, thisDate)).[[DurationRecord]].
auto round_result = TRY(round_duration(global_object, result->years(), result->months(), 0, 0, 0, 0, 0, 0, 0, 0, rounding_increment, *smallest_unit, rounding_mode, this_date)).duration_record;
// 25. Return ! CreateTemporalDuration(-result.[[Years]], -result.[[Months]], 0, 0, 0, 0, 0, 0, 0, 0).
return MUST(create_temporal_duration(global_object, -round_result.years, -round_result.months, 0, 0, 0, 0, 0, 0, 0, 0));
// 3. Return ? DifferenceTemporalPlainYearMonth(since, yearMonth, other, options).
return TRY(difference_temporal_plain_year_month(global_object, DifferenceOperation::Since, *year_month, other, options));
}
// 9.3.16 Temporal.PlainYearMonth.prototype.equals ( other ), https://tc39.es/proposal-temporal/#sec-temporal.plainyearmonth.prototype.equals

85
Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.cpp
View file

@ -537,7 +537,90 @@ ThrowCompletionOr<NanosecondsToDaysResult> nanoseconds_to_days(GlobalObject& glo
return NanosecondsToDaysResult { .days = days, .nanoseconds = move(nanoseconds), .day_length = fabs(day_length_ns.to_double()) };
}
// 6.5.8 AddDurationToOrSubtractDurationFromZonedDateTime ( operation, zonedDateTime, temporalDurationLike, options ), https://tc39.es/proposal-temporal/#sec-temporal-adddurationtoOrsubtractdurationfromzoneddatetime
// 6.5.8 DifferenceTemporalZonedDateTime ( operation, zonedDateTime, other, options ), https://tc39.es/proposal-temporal/#sec-temporal-differencetemporalzoneddatetime
ThrowCompletionOr<Duration*> difference_temporal_zoned_date_time(GlobalObject& global_object, DifferenceOperation operation, ZonedDateTime& zoned_date_time, Value other_value, Value options_value)
{
auto& vm = global_object.vm();
// 1. If operation is since, let sign be -1. Otherwise, let sign be 1.
i8 sign = operation == DifferenceOperation::Since ? -1 : 1;
// 2. Set other to ? ToTemporalZonedDateTime(other).
auto* other = TRY(to_temporal_zoned_date_time(global_object, other_value));
// 3. If ? CalendarEquals(zonedDateTime.[[Calendar]], other.[[Calendar]]) is false, then
if (!TRY(calendar_equals(global_object, zoned_date_time.calendar(), other->calendar()))) {
// a. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
}
// 4. Set options to ? GetOptionsObject(options).
auto const* options = TRY(get_options_object(global_object, options_value));
// 5. Let smallestUnit be ? ToSmallestTemporalUnit(options, « », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, {}, "nanosecond"sv));
// 6. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("hour", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("hour"sv, *smallest_unit);
// 7. Let largestUnit be ? ToLargestTemporalUnit(options, « », "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, {}, "auto"sv, default_largest_unit));
// 8. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 9. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 10. If operation is since, then
if (operation == DifferenceOperation::Since) {
// a. Set roundingMode to ! NegateTemporalRoundingMode(roundingMode).
rounding_mode = negate_temporal_rounding_mode(rounding_mode);
}
// 11. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 12. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, Optional<double>(maximum), false));
// 13. If largestUnit is not one of "year", "month", "week", or "day", then
if (!largest_unit->is_one_of("year"sv, "month"sv, "week"sv, "day"sv)) {
// a. Let differenceNs be ! DifferenceInstant(zonedDateTime.[[Nanoseconds]], other.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode).
auto* difference_ns = difference_instant(global_object, zoned_date_time.nanoseconds(), other->nanoseconds(), rounding_increment, *smallest_unit, rounding_mode);
// b. Assert: The following steps cannot fail due to overflow in the Number domain because abs(differenceNs) ≤ 1.728 × 10^22.
// c. Let balanceResult be ! BalanceDuration(0, 0, 0, 0, 0, 0, differenceNs, largestUnit).
auto balance_result = MUST(balance_duration(global_object, 0, 0, 0, 0, 0, 0, difference_ns->big_integer(), *largest_unit));
// d. Return ! CreateTemporalDuration(0, 0, 0, 0, sign × balanceResult.[[Hours]], sign × balanceResult.[[Minutes]], sign × balanceResult.[[Seconds]], sign × balanceResult.[[Milliseconds]], sign × balanceResult.[[Microseconds]], sign × balanceResult.[[Nanoseconds]]).
return MUST(create_temporal_duration(global_object, 0, 0, 0, 0, sign * balance_result.hours, sign * balance_result.minutes, sign * balance_result.seconds, sign * balance_result.milliseconds, sign * balance_result.microseconds, sign * balance_result.nanoseconds));
}
// 14. If ? TimeZoneEquals(zonedDateTime.[[TimeZone]], other.[[TimeZone]]) is false, then
if (!TRY(time_zone_equals(global_object, zoned_date_time.time_zone(), other->time_zone()))) {
// a. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentTimeZones);
}
// 15. Let untilOptions be ? MergeLargestUnitOption(options, largestUnit).
auto* until_options = TRY(merge_largest_unit_option(global_object, options, *largest_unit));
// 16. Let difference be ? DifferenceZonedDateTime(zonedDateTime.[[Nanoseconds]], other.[[Nanoseconds]], zonedDateTime.[[TimeZone]], zonedDateTime.[[Calendar]], largestUnit, untilOptions).
auto difference = TRY(difference_zoned_date_time(global_object, zoned_date_time.nanoseconds(), other->nanoseconds(), zoned_date_time.time_zone(), zoned_date_time.calendar(), *largest_unit, until_options));
// 17. Let roundResult be (? RoundDuration(difference.[[Years]], difference.[[Months]], difference.[[Weeks]], difference.[[Days]], difference.[[Hours]], difference.[[Minutes]], difference.[[Seconds]], difference.[[Milliseconds]], difference.[[Microseconds]], difference.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode, zonedDateTime)).[[DurationRecord]].
auto round_result = TRY(round_duration(global_object, difference.years, difference.months, difference.weeks, difference.days, difference.hours, difference.minutes, difference.seconds, difference.milliseconds, difference.microseconds, difference.nanoseconds, rounding_increment, *smallest_unit, rounding_mode, &zoned_date_time)).duration_record;
// 18. Let result be ? AdjustRoundedDurationDays(roundResult.[[Years]], roundResult.[[Months]], roundResult.[[Weeks]], roundResult.[[Days]], roundResult.[[Hours]], roundResult.[[Minutes]], roundResult.[[Seconds]], roundResult.[[Milliseconds]], roundResult.[[Microseconds]], roundResult.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode, zonedDateTime).
auto result = TRY(adjust_rounded_duration_days(global_object, round_result.years, round_result.months, round_result.weeks, round_result.days, round_result.hours, round_result.minutes, round_result.seconds, round_result.milliseconds, round_result.microseconds, round_result.nanoseconds, rounding_increment, *smallest_unit, rounding_mode, &zoned_date_time));
// 19. Return ! CreateTemporalDuration(sign × result.[[Years]], sign × result.[[Months]], sign × result.[[Weeks]], sign × result.[[Days]], sign × result.[[Hours]], sign × result.[[Minutes]], sign × result.[[Seconds]], sign × result.[[Milliseconds]], sign × result.[[Microseconds]], sign × result.[[Nanoseconds]]).
return MUST(create_temporal_duration(global_object, sign * result.years, sign * result.months, sign * result.weeks, sign * result.days, sign * result.hours, sign * result.minutes, sign * result.seconds, sign * result.milliseconds, sign * result.microseconds, sign * result.nanoseconds));
}
// 6.5.9 AddDurationToOrSubtractDurationFromZonedDateTime ( operation, zonedDateTime, temporalDurationLike, options ), https://tc39.es/proposal-temporal/#sec-temporal-adddurationtoOrsubtractdurationfromzoneddatetime
ThrowCompletionOr<ZonedDateTime*> add_duration_to_or_subtract_duration_from_zoned_date_time(GlobalObject& global_object, ArithmeticOperation operation, ZonedDateTime& zoned_date_time, Value temporal_duration_like, Value options_value)
{
// 1. If operation is subtract, let sign be -1. Otherwise, let sign be 1.

1
Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.h
View file

@ -57,6 +57,7 @@ ThrowCompletionOr<String> temporal_zoned_date_time_to_string(GlobalObject&, Zone
ThrowCompletionOr<BigInt*> add_zoned_date_time(GlobalObject&, BigInt const& epoch_nanoseconds, Value time_zone, Object& calendar, double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, Object* options = nullptr);
ThrowCompletionOr<DurationRecord> difference_zoned_date_time(GlobalObject&, BigInt const& nanoseconds1, BigInt const& nanoseconds2, Object& time_zone, Object& calendar, StringView largest_unit, Object const* options = nullptr);
ThrowCompletionOr<NanosecondsToDaysResult> nanoseconds_to_days(GlobalObject&, Crypto::SignedBigInteger nanoseconds, Value relative_to);
ThrowCompletionOr<Duration*> difference_temporal_zoned_date_time(GlobalObject&, DifferenceOperation, ZonedDateTime&, Value other, Value options);
ThrowCompletionOr<ZonedDateTime*> add_duration_to_or_subtract_duration_from_zoned_date_time(GlobalObject&, ArithmeticOperation, ZonedDateTime&, Value temporal_duration_like, Value options_value);
}

143
Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTimePrototype.cpp
View file

@ -923,152 +923,29 @@ JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::subtract)
// 6.3.37 Temporal.ZonedDateTime.prototype.until ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime.prototype.until
JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::until)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let zonedDateTime be the this value.
// 2. Perform ? RequireInternalSlot(zonedDateTime, [[InitializedTemporalZonedDateTime]]).
auto* zoned_date_time = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalZonedDateTime(other).
auto* other = TRY(to_temporal_zoned_date_time(global_object, vm.argument(0)));
// 4. If ? CalendarEquals(zonedDateTime.[[Calendar]], other.[[Calendar]]) is false, then
if (!TRY(calendar_equals(global_object, zoned_date_time->calendar(), other->calendar()))) {
// a. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
}
// 5. Set options to ? GetOptionsObject(options).
auto* options = TRY(get_options_object(global_object, vm.argument(1)));
// 6. Let smallestUnit be ? ToSmallestTemporalUnit(options, « », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, {}, "nanosecond"sv));
// 7. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("hour", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("hour"sv, *smallest_unit);
// 8. Let largestUnit be ? ToLargestTemporalUnit(options, « », "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, {}, "auto"sv, default_largest_unit));
// 9. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 10. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 11. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 12. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, Optional<double>(maximum), false));
// 13. If largestUnit is not one of "year", "month", "week", or "day", then
if (!largest_unit->is_one_of("year"sv, "month"sv, "week"sv, "day"sv)) {
// a. Let differenceNs be ! DifferenceInstant(zonedDateTime.[[Nanoseconds]], other.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode).
auto* difference_ns = difference_instant(global_object, zoned_date_time->nanoseconds(), other->nanoseconds(), rounding_increment, *smallest_unit, rounding_mode);
// b. Let balanceResult be ! BalanceDuration(0, 0, 0, 0, 0, 0, differenceNs, largestUnit).
auto balance_result = MUST(balance_duration(global_object, 0, 0, 0, 0, 0, 0, difference_ns->big_integer(), *largest_unit));
// c. Return ? CreateTemporalDuration(0, 0, 0, 0, balanceResult.[[Hours]], balanceResult.[[Minutes]], balanceResult.[[Seconds]], balanceResult.[[Milliseconds]], balanceResult.[[Microseconds]], balanceResult.[[Nanoseconds]]).
return TRY(create_temporal_duration(global_object, 0, 0, 0, 0, balance_result.hours, balance_result.minutes, balance_result.seconds, balance_result.milliseconds, balance_result.microseconds, balance_result.nanoseconds));
}
// 14. If ? TimeZoneEquals(zonedDateTime.[[TimeZone]], other.[[TimeZone]]) is false, then
if (!TRY(time_zone_equals(global_object, zoned_date_time->time_zone(), other->time_zone()))) {
// a. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentTimeZones);
}
// 15. Let untilOptions be ? MergeLargestUnitOption(options, largestUnit).
auto* until_options = TRY(merge_largest_unit_option(global_object, options, *largest_unit));
// 16. Let difference be ? DifferenceZonedDateTime(zonedDateTime.[[Nanoseconds]], other.[[Nanoseconds]], zonedDateTime.[[TimeZone]], zonedDateTime.[[Calendar]], largestUnit, untilOptions).
auto difference = TRY(difference_zoned_date_time(global_object, zoned_date_time->nanoseconds(), other->nanoseconds(), zoned_date_time->time_zone(), zoned_date_time->calendar(), *largest_unit, until_options));
// 17. Let roundResult be (? RoundDuration(difference.[[Years]], difference.[[Months]], difference.[[Weeks]], difference.[[Days]], difference.[[Hours]], difference.[[Minutes]], difference.[[Seconds]], difference.[[Milliseconds]], difference.[[Microseconds]], difference.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode, zonedDateTime)).[[DurationRecord]].
auto round_result = TRY(round_duration(global_object, difference.years, difference.months, difference.weeks, difference.days, difference.hours, difference.minutes, difference.seconds, difference.milliseconds, difference.microseconds, difference.nanoseconds, rounding_increment, *smallest_unit, rounding_mode, zoned_date_time)).duration_record;
// 18. Let result be ? AdjustRoundedDurationDays(roundResult.[[Years]], roundResult.[[Months]], roundResult.[[Weeks]], roundResult.[[Days]], roundResult.[[Hours]], roundResult.[[Minutes]], roundResult.[[Seconds]], roundResult.[[Milliseconds]], roundResult.[[Microseconds]], roundResult.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode, zonedDateTime).
auto result = TRY(adjust_rounded_duration_days(global_object, round_result.years, round_result.months, round_result.weeks, round_result.days, round_result.hours, round_result.minutes, round_result.seconds, round_result.milliseconds, round_result.microseconds, round_result.nanoseconds, rounding_increment, *smallest_unit, rounding_mode, zoned_date_time));
// 19. Return ! CreateTemporalDuration(result.[[Years]], result.[[Months]], result.[[Weeks]], result.[[Days]], result.[[Hours]], result.[[Minutes]], result.[[Seconds]], result.[[Milliseconds]], result.[[Microseconds]], result.[[Nanoseconds]]).
return MUST(create_temporal_duration(global_object, result.years, result.months, result.weeks, result.days, result.hours, result.minutes, result.seconds, result.milliseconds, result.microseconds, result.nanoseconds));
// 3. Return ? DifferenceTemporalZonedDateTime(until, zonedDateTime, other, options).
return TRY(difference_temporal_zoned_date_time(global_object, DifferenceOperation::Until, *zoned_date_time, other, options));
}
// 6.3.38 Temporal.ZonedDateTime.prototype.since ( other [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime.prototype.since
JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::since)
{
auto other = vm.argument(0);
auto options = vm.argument(1);
// 1. Let zonedDateTime be the this value.
// 2. Perform ? RequireInternalSlot(zonedDateTime, [[InitializedTemporalZonedDateTime]]).
auto* zoned_date_time = TRY(typed_this_object(global_object));
// 3. Set other to ? ToTemporalZonedDateTime(other).
auto* other = TRY(to_temporal_zoned_date_time(global_object, vm.argument(0)));
// 4. If ? CalendarEquals(zonedDateTime.[[Calendar]], other.[[Calendar]]) is false, then
if (!TRY(calendar_equals(global_object, zoned_date_time->calendar(), other->calendar()))) {
// a. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentCalendars);
}
// 5. Set options to ? GetOptionsObject(options).
auto* options = TRY(get_options_object(global_object, vm.argument(1)));
// 6. Let smallestUnit be ? ToSmallestTemporalUnit(options, « », "nanosecond").
auto smallest_unit = TRY(to_smallest_temporal_unit(global_object, *options, {}, "nanosecond"sv));
// 7. Let defaultLargestUnit be ! LargerOfTwoTemporalUnits("hour", smallestUnit).
auto default_largest_unit = larger_of_two_temporal_units("hour"sv, *smallest_unit);
// 8. Let largestUnit be ? ToLargestTemporalUnit(options, « », "auto", defaultLargestUnit).
auto largest_unit = TRY(to_largest_temporal_unit(global_object, *options, {}, "auto"sv, default_largest_unit));
// 9. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 10. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
auto rounding_mode = TRY(to_temporal_rounding_mode(global_object, *options, "trunc"sv));
// 11. Set roundingMode to ! NegateTemporalRoundingMode(roundingMode).
rounding_mode = negate_temporal_rounding_mode(rounding_mode);
// 12. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 13. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
auto rounding_increment = TRY(to_temporal_rounding_increment(global_object, *options, Optional<double>(maximum), false));
// 14. If largestUnit is not one of "year", "month", "week", or "day", then
if (!largest_unit->is_one_of("year"sv, "month"sv, "week"sv, "day"sv)) {
// a. Let differenceNs be ! DifferenceInstant(zonedDateTime.[[Nanoseconds]], other.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode).
auto* difference_ns = difference_instant(global_object, zoned_date_time->nanoseconds(), other->nanoseconds(), rounding_increment, *smallest_unit, rounding_mode);
// b. Let balanceResult be ! BalanceDuration(0, 0, 0, 0, 0, 0, differenceNs, largestUnit).
auto balance_result = MUST(balance_duration(global_object, 0, 0, 0, 0, 0, 0, difference_ns->big_integer(), *largest_unit));
// c. Return ? CreateTemporalDuration(0, 0, 0, 0, -balanceResult.[[Hours]], -balanceResult.[[Minutes]], -balanceResult.[[Seconds]], -balanceResult.[[Milliseconds]], -balanceResult.[[Microseconds]], -balanceResult.[[Nanoseconds]]).
return TRY(create_temporal_duration(global_object, 0, 0, 0, 0, -balance_result.hours, -balance_result.minutes, -balance_result.seconds, -balance_result.milliseconds, -balance_result.microseconds, -balance_result.nanoseconds));
}
// 15. If ? TimeZoneEquals(zonedDateTime.[[TimeZone]], other.[[TimeZone]]) is false, then
if (!TRY(time_zone_equals(global_object, zoned_date_time->time_zone(), other->time_zone()))) {
// a. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalDifferentTimeZones);
}
// 16. Let untilOptions be ? MergeLargestUnitOption(options, largestUnit).
auto* until_options = TRY(merge_largest_unit_option(global_object, options, *largest_unit));
// 17. Let difference be ? DifferenceZonedDateTime(zonedDateTime.[[Nanoseconds]], other.[[Nanoseconds]], zonedDateTime.[[TimeZone]], zonedDateTime.[[Calendar]], largestUnit, untilOptions).
auto difference = TRY(difference_zoned_date_time(global_object, zoned_date_time->nanoseconds(), other->nanoseconds(), zoned_date_time->time_zone(), zoned_date_time->calendar(), *largest_unit, until_options));
// 18. Let roundResult be (? RoundDuration(difference.[[Years]], difference.[[Months]], difference.[[Weeks]], difference.[[Days]], difference.[[Hours]], difference.[[Minutes]], difference.[[Seconds]], difference.[[Milliseconds]], difference.[[Microseconds]], difference.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode, zonedDateTime)).[[DurationRecord]].
auto round_result = TRY(round_duration(global_object, difference.years, difference.months, difference.weeks, difference.days, difference.hours, difference.minutes, difference.seconds, difference.milliseconds, difference.microseconds, difference.nanoseconds, rounding_increment, *smallest_unit, rounding_mode, zoned_date_time)).duration_record;
// 19. Let result be ? AdjustRoundedDurationDays(roundResult.[[Years]], roundResult.[[Months]], roundResult.[[Weeks]], roundResult.[[Days]], roundResult.[[Hours]], roundResult.[[Minutes]], roundResult.[[Seconds]], roundResult.[[Milliseconds]], roundResult.[[Microseconds]], roundResult.[[Nanoseconds]], roundingIncrement, smallestUnit, roundingMode, zonedDateTime).
auto result = TRY(adjust_rounded_duration_days(global_object, round_result.years, round_result.months, round_result.weeks, round_result.days, round_result.hours, round_result.minutes, round_result.seconds, round_result.milliseconds, round_result.microseconds, round_result.nanoseconds, rounding_increment, *smallest_unit, rounding_mode, zoned_date_time));
// 20. Return ! CreateTemporalDuration(-result.[[Years]], -result.[[Months]], -result.[[Weeks]], -result.[[Days]], -result.[[Hours]], -result.[[Minutes]], -result.[[Seconds]], -result.[[Milliseconds]], -result.[[Microseconds]], -result.[[Nanoseconds]]).
return MUST(create_temporal_duration(global_object, -result.years, -result.months, -result.weeks, -result.days, -result.hours, -result.minutes, -result.seconds, -result.milliseconds, -result.microseconds, -result.nanoseconds));
// 3. Return ? DifferenceTemporalZonedDateTime(since, zonedDateTime, other, options).
return TRY(difference_temporal_zoned_date_time(global_object, DifferenceOperation::Since, *zoned_date_time, other, options));
}
// 6.3.39 Temporal.ZonedDateTime.prototype.round ( roundTo ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime.prototype.round