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LibJS: Prefer Else + Assertion over If for constrained values

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This is an editorial change in the Temporal spec.

See: 2088eaa
This commit is contained in:
Linus Groh 2022-06-14 23:40:58 +01:00
parent 9b3602d000
commit 690585323d
3 changed files with 33 additions and 29 deletions
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12
Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.cpp
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@ -168,18 +168,18 @@ ThrowCompletionOr<TemporalTime> regulate_time(GlobalObject& global_object, doubl
// a. Return ! ConstrainTime(hour, minute, second, millisecond, microsecond, nanosecond).
return constrain_time(hour, minute, second, millisecond, microsecond, nanosecond);
}
// 4. Else,
else {
// a. Assert: overflow is "reject".
VERIFY(overflow == "reject"sv);
// 4. If overflow is "reject", then
if (overflow == "reject"sv) {
// a. If IsValidTime(hour, minute, second, millisecond, microsecond, nanosecond) is false, throw a RangeError exception.
// b. If IsValidTime(hour, minute, second, millisecond, microsecond, nanosecond) is false, throw a RangeError exception.
if (!is_valid_time(hour, minute, second, millisecond, microsecond, nanosecond))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidPlainTime);
// b. Return the Record { [[Hour]]: hour, [[Minute]]: minute, [[Second]]: second, [[Millisecond]]: millisecond, [[Microsecond]]: microsecond, [[Nanosecond]]: nanosecond }.
// c. Return the Record { [[Hour]]: hour, [[Minute]]: minute, [[Second]]: second, [[Millisecond]]: millisecond, [[Microsecond]]: microsecond, [[Nanosecond]]: nanosecond }.
return TemporalTime { .hour = static_cast<u8>(hour), .minute = static_cast<u8>(minute), .second = static_cast<u8>(second), .millisecond = static_cast<u16>(millisecond), .microsecond = static_cast<u16>(microsecond), .nanosecond = static_cast<u16>(nanosecond) };
}
VERIFY_NOT_REACHED();
}
// 4.5.4 IsValidTime ( hour, minute, second, millisecond, microsecond, nanosecond ), https://tc39.es/proposal-temporal/#sec-temporal-isvalidtime