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LibJS: Fix numeric type confusion in GetEpochFromISOParts return value

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This is an editorial change in the Temporal spec.

See: 2a59eac
This commit is contained in:
Linus Groh 2022-04-29 19:10:21 +02:00
parent 70593b7448
commit 76a6bd0e75
5 changed files with 12 additions and 12 deletions
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6
Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp
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@ -118,7 +118,7 @@ ThrowCompletionOr<BigInt*> parse_temporal_instant(GlobalObject& global_object, S
// 5. Let utc be GetEpochFromISOParts(result.[[Year]], result.[[Month]], result.[[Day]], result.[[Hour]], result.[[Minute]], result.[[Second]], result.[[Millisecond]], result.[[Microsecond]], result.[[Nanosecond]]).
auto* utc = get_epoch_from_iso_parts(global_object, result.year, result.month, result.day, result.hour, result.minute, result.second, result.millisecond, result.microsecond, result.nanosecond);
// 6. If utc < −8.64 × 10^21 or utc > 8.64 × 10^21, then
// 6. If ℝ(utc) < −8.64 × 10^21 or ℝ(utc) > 8.64 × 10^21, then
if (utc->big_integer() < INSTANT_NANOSECONDS_MIN || utc->big_integer() > INSTANT_NANOSECONDS_MAX) {
// a. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidEpochNanoseconds);
@ -127,10 +127,10 @@ ThrowCompletionOr<BigInt*> parse_temporal_instant(GlobalObject& global_object, S
// 7. Let offsetNanoseconds be ? ParseTimeZoneOffsetString(offsetString).
auto offset_nanoseconds = TRY(parse_time_zone_offset_string(global_object, *offset_string));
// 8. Let result be utc − offsetNanoseconds.
// 8. Let result be utc − ℤ(offsetNanoseconds).
auto* result_ns = js_bigint(vm, utc->big_integer().minus(Crypto::SignedBigInteger::create_from(offset_nanoseconds)));
// 9. If ! IsValidEpochNanoseconds(ℤ(result)) is false, then
// 9. If ! IsValidEpochNanoseconds(result) is false, then
if (!is_valid_epoch_nanoseconds(*result_ns)) {
// a. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidEpochNanoseconds);