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LibJS: Implement Temporal.PlainDateTime.prototype.toString

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Luke Wilde 2021-11-03 01:51:35 +00:00 • committed by Linus Groh
parent f922ffb032
commit b2bbd4d2b8
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19
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.cpp
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@ -333,6 +333,25 @@ ThrowCompletionOr<TemporalPlainDateTime> add_date_time(GlobalObject& global_obje
return TemporalPlainDateTime { .year = added_date->iso_year(), .month = added_date->iso_month(), .day = added_date->iso_day(), .hour = time_result.hour, .minute = time_result.minute, .second = time_result.second, .millisecond = time_result.millisecond, .microsecond = time_result.microsecond, .nanosecond = time_result.nanosecond };
}
// 5.5.10 RoundISODateTime ( year, month, day, hour, minute, second, millisecond, microsecond, nanosecond, increment, unit, roundingMode [ , dayLength ] ), https://tc39.es/proposal-temporal/#sec-temporal-roundisodatetime
ISODateTime round_iso_date_time(i32 year, u8 month, u8 day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, u64 increment, StringView unit, StringView rounding_mode, Optional<double> day_length)
{
// 1. Assert: year, month, day, hour, minute, second, millisecond, microsecond, and nanosecond are integers.
// 2. If dayLength is not present, set dayLength to 8.64 × 10^13.
if (!day_length.has_value())
day_length = 86400000000000;
// 3. Let roundedTime be ! RoundTime(hour, minute, second, millisecond, microsecond, nanosecond, increment, unit, roundingMode, dayLength).
auto rounded_time = round_time(hour, minute, second, millisecond, microsecond, nanosecond, increment, unit, rounding_mode, day_length);
// 4. Let balanceResult be ! BalanceISODate(year, month, day + roundedTime.[[Days]]).
auto balance_result = balance_iso_date(year, month, day + rounded_time.days);
// 5. Return the Record { [[Year]]: balanceResult.[[Year]], [[Month]]: balanceResult.[[Month]], [[Day]]: balanceResult.[[Day]], [[Hour]]: roundedTime.[[Hour]], [[Minute]]: roundedTime.[[Minute]], [[Second]]: roundedTime.[[Second]], [[Millisecond]]: roundedTime.[[Millisecond]], [[Microsecond]]: roundedTime.[[Microsecond]], [[Nanosecond]]: roundedTime.[[Nanosecond]] }.
return ISODateTime { .year = balance_result.year, .month = balance_result.month, .day = balance_result.day, .hour = rounded_time.hour, .minute = rounded_time.minute, .second = rounded_time.second, .millisecond = rounded_time.millisecond, .microsecond = rounded_time.microsecond, .nanosecond = rounded_time.nanosecond };
}
// 5.5.11 DifferenceISODateTime ( y1, mon1, d1, h1, min1, s1, ms1, mus1, ns1, y2, mon2, d2, h2, min2, s2, ms2, mus2, ns2, calendar, largestUnit [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal-differenceisodatetime
ThrowCompletionOr<TemporalDuration> difference_iso_date_time(GlobalObject& global_object, i32 year1, u8 month1, u8 day1, u8 hour1, u8 minute1, u8 second1, u16 millisecond1, u16 microsecond1, u16 nanosecond1, i32 year2, u8 month2, u8 day2, u8 hour2, u8 minute2, u8 second2, u16 millisecond2, u16 microsecond2, u16 nanosecond2, Object& calendar, StringView largest_unit, Object* options)
{