LibJS: Change offset in ISODateTimeWithinLimits to actually 24h

This is a normative change in the Temporal spec.

See: https://github.com/tc39/proposal-temporal/commit/1d61d6f
This commit is contained in:
Linus Groh 2021-09-01 00:47:56 +01:00
parent 59df50a950
commit 8105d3f3d6
Notes: sideshowbarker 2024-07-18 04:56:41 +09:00

View file

@ -70,10 +70,10 @@ BigInt* get_epoch_from_iso_parts(GlobalObject& global_object, i32 year, u8 month
return js_bigint(vm, Crypto::SignedBigInteger::create_from(static_cast<i64>(ms.as_double())).multiplied_by(Crypto::UnsignedBigInteger { 1'000'000 }).plus(Crypto::SignedBigInteger::create_from((i64)microsecond * 1000)).plus(Crypto::SignedBigInteger(nanosecond)));
}
// -864 * 10^19 - 864 * 10^14
const auto DATETIME_NANOSECONDS_MIN = "-8640086400000000000000"_sbigint;
// +864 * 10^19 + 864 * 10^14
const auto DATETIME_NANOSECONDS_MAX = "8640086400000000000000"_sbigint;
// -864 * 10^19 - 864 * 10^11
const auto DATETIME_NANOSECONDS_MIN = "-8640000086400000000000"_sbigint;
// +864 * 10^19 + 864 * 10^11
const auto DATETIME_NANOSECONDS_MAX = "8640000086400000000000"_sbigint;
// 5.5.2 ISODateTimeWithinLimits ( year, month, day, hour, minute, second, millisecond, microsecond, nanosecond ), https://tc39.es/proposal-temporal/#sec-temporal-isodatetimewithinlimits
bool iso_date_time_within_limits(GlobalObject& global_object, i32 year, u8 month, u8 day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond)
@ -83,13 +83,13 @@ bool iso_date_time_within_limits(GlobalObject& global_object, i32 year, u8 month
// 2. Let ns be ! GetEpochFromISOParts(year, month, day, hour, minute, second, millisecond, microsecond, nanosecond).
auto ns = get_epoch_from_iso_parts(global_object, year, month, day, hour, minute, second, millisecond, microsecond, nanosecond);
// 3. If ns ≤ -8.64 × 10^21 - 8.64 × 10^16, then
// 3. If ns ≤ -8.64 × 10^21 - 8.64 × 10^13, then
if (ns->big_integer() <= DATETIME_NANOSECONDS_MIN) {
// a. Return false.
return false;
}
// 4. If ns ≥ 8.64 × 10^21 + 8.64 × 10^16, then
// 4. If ns ≥ 8.64 × 10^21 + 8.64 × 10^13, then
if (ns->big_integer() >= DATETIME_NANOSECONDS_MAX) {
// a. Return false.
return false;