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LibJS: Add missing check in ParseTemporalInstant
This is an editorial change in the Temporal spec.
See: baead4d
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2 changed files with 27 additions and 2 deletions
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@ -127,8 +127,17 @@ ThrowCompletionOr<BigInt*> parse_temporal_instant(GlobalObject& global_object, S
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// 7. Let offsetNanoseconds be ? ParseTimeZoneOffsetString(offsetString).
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auto offset_nanoseconds = TRY(parse_time_zone_offset_string(global_object, *offset_string));
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// 8. Return utc − offsetNanoseconds.
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return js_bigint(vm, utc->big_integer().minus(Crypto::SignedBigInteger::create_from(offset_nanoseconds)));
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// 8. Let result be utc − offsetNanoseconds.
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auto* result_ns = js_bigint(vm, utc->big_integer().minus(Crypto::SignedBigInteger::create_from(offset_nanoseconds)));
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// 9. If ! IsValidEpochNanoseconds(ℤ(result)) is false, then
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if (!is_valid_epoch_nanoseconds(*result_ns)) {
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// a. Throw a RangeError exception.
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return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidEpochNanoseconds);
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}
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// 10. Return result.
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return result_ns;
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}
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// 8.5.5 CompareEpochNanoseconds ( epochNanosecondsOne, epochNanosecondsTwo ), https://tc39.es/proposal-temporal/#sec-temporal-compareepochnanoseconds
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