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LibJS: Implement mathematical Temporal.Duration prototypes

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Includes:
Temporal.Duration.prototype.negated
Temporal.Duration.prototype.abs
Temporal.Duration.prototype.add
Temporal.Duration.prototype.subtract
This commit is contained in:
Timothy Flynn 2024-11-18 12:48:10 -05:00 • committed by Tim Flynn
commit a80523be18
Notes: github-actions[bot] 2024-11-21 00:06:00 +00:00
11 changed files with 591 additions and 0 deletions
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20
Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
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@ -55,6 +55,26 @@ ThrowCompletionOr<RelativeTo> get_temporal_relative_to_option(VM& vm, Object con
return RelativeTo { .plain_relative_to = {}, .zoned_relative_to = {} };
}
// 13.19 LargerOfTwoTemporalUnits ( u1, u2 ), https://tc39.es/proposal-temporal/#sec-temporal-largeroftwotemporalunits
Unit larger_of_two_temporal_units(Unit unit1, Unit unit2)
{
// 1. For each row of Table 21, except the header row, in table order, do
for (auto const& row : temporal_units) {
// a. Let unit be the value in the "Value" column of the row.
auto unit = row.value;
// b. If u1 is unit, return unit.
if (unit1 == unit)
return unit;
// c. If u2 is unit, return unit.
if (unit2 == unit)
return unit;
}
VERIFY_NOT_REACHED();
}
// 13.20 IsCalendarUnit ( unit ), https://tc39.es/proposal-temporal/#sec-temporal-iscalendarunit
bool is_calendar_unit(Unit unit)
{