LibJS: Fix numeric type confusion in GetEpochFromISOParts return value

This is an editorial change in the Temporal spec.

See: https://github.com/tc39/proposal-temporal/commit/2a59eac

1 files changed, 3 insertions, 3 deletions

diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp
index 6c13c6cf80..6c934e4c7d 100644
--- a/Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp
@@ -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);