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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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22
Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp
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@ -510,20 +510,22 @@ ThrowCompletionOr<Duration*> difference_temporal_plain_date(GlobalObject& global
// 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 };
// 5. Let smallestUnit be ? GetTemporalUnit(options, "smallestUnit", date, "day").
auto smallest_unit = TRY(get_temporal_unit(global_object, *options, vm.names.smallestUnit, UnitGroup::Date, { "day"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).
// 6. 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));
// 7. Let largestUnit be ? GetTemporalUnit(options, "largestUnit", date, "auto").
auto largest_unit = TRY(get_temporal_unit(global_object, *options, vm.names.largestUnit, UnitGroup::Date, { "auto"sv }));
// 9. 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. 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));