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LibJS: Implement Temporal.PlainMonthDay.prototype.with/equals

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Timothy Flynn 2024-11-20 18:08:07 -05:00 • committed by Tim Flynn
commit 5389acc231
Notes: github-actions[bot] 2024-11-22 00:25:30 +00:00
10 changed files with 314 additions and 0 deletions
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31
Libraries/LibJS/Runtime/Temporal/PlainDate.cpp
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@ -113,4 +113,35 @@ bool iso_date_within_limits(ISODate iso_date)
return iso_date_time_within_limits(iso_date_time);
}
// 3.5.12 CompareISODate ( isoDate1, isoDate2 ), https://tc39.es/proposal-temporal/#sec-temporal-compareisodate
i8 compare_iso_date(ISODate iso_date1, ISODate iso_date2)
{
// 1. If isoDate1.[[Year]] > isoDate2.[[Year]], return 1.
if (iso_date1.year > iso_date2.year)
return 1;
// 2. If isoDate1.[[Year]] < isoDate2.[[Year]], return -1.
if (iso_date1.year < iso_date2.year)
return -1;
// 3. If isoDate1.[[Month]] > isoDate2.[[Month]], return 1.
if (iso_date1.month > iso_date2.month)
return 1;
// 4. If isoDate1.[[Month]] < isoDate2.[[Month]], return -1.
if (iso_date1.month < iso_date2.month)
return -1;
// 5. If isoDate1.[[Day]] > isoDate2.[[Day]], return 1.
if (iso_date1.day > iso_date2.day)
return 1;
// 6. If isoDate1.[[Day]] < isoDate2.[[Day]], return -1.
if (iso_date1.day < iso_date2.day)
return -1;
// 7. Return 0.
return 0;
}
}