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LibJS: Simplify Temporal unit AOs

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This is an editorial change in the Temporal spec.

See: 1b3d018
This commit is contained in:
Linus Groh 2022-06-09 22:42:42 +01:00 • committed by Andreas Kling
parent b9beb2b120
commit 4c77575ec5
16 changed files with 347 additions and 390 deletions
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35
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.cpp
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@ -409,46 +409,51 @@ ThrowCompletionOr<Duration*> difference_temporal_plain_date_time(GlobalObject& g
// 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));
// 5. Let smallestUnit be ? GetTemporalUnit(options, "smallestUnit", datetime, "nanosecond").
auto smallest_unit = TRY(get_temporal_unit(global_object, *options, vm.names.smallestUnit, UnitGroup::DateTime, { "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));
// 7. Let largestUnit be ? GetTemporalUnit(options, "largestUnit", datetime, "auto").
auto largest_unit = TRY(get_temporal_unit(global_object, *options, vm.names.largestUnit, UnitGroup::DateTime, { "auto"sv }));
// 8. Perform ? ValidateTemporalUnitRange(largestUnit, smallestUnit).
TRY(validate_temporal_unit_range(global_object, *largest_unit, *smallest_unit));
// 8. If largestUnit is "auto", set largestUnit to defaultLargestUnit.
if (largest_unit == "auto"sv)
largest_unit = default_largest_unit;
// 9. Let roundingMode be ? ToTemporalRoundingMode(options, "trunc").
// 9. If LargerOfTwoTemporalUnits(largestUnit, smallestUnit) is not largestUnit, throw a RangeError exception.
if (larger_of_two_temporal_units(*largest_unit, *smallest_unit) != largest_unit)
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidUnitRange, *smallest_unit, *largest_unit);
// 10. 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
// 11. 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).
// 12. Let maximum be ! MaximumTemporalDurationRoundingIncrement(smallestUnit).
auto maximum = maximum_temporal_duration_rounding_increment(*smallest_unit);
// 12. Let roundingIncrement be ? ToTemporalRoundingIncrement(options, maximum, false).
// 13. 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).
// 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));
// 14. Let relativeTo be ! CreateTemporalDate(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[Calendar]]).
// 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()));
// 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]].
// 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;
// 16. Let result be ? BalanceDuration(roundResult.[[Days]], roundResult.[[Hours]], roundResult.[[Minutes]], roundResult.[[Seconds]], roundResult.[[Milliseconds]], roundResult.[[Microseconds]], roundResult.[[Nanoseconds]], largestUnit).
// 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));
// 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]]).
// 18. 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));
}