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LibJS: Implement default_temporal_largest_unit()

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Luke Wilde 2021-11-23 23:09:01 +00:00 • committed by Linus Groh
parent 16301a603c
commit 1f84deaf63
2 changed files with 45 additions and 0 deletions
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44
Userland/Libraries/LibJS/Runtime/Temporal/Duration.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -163,6 +164,49 @@ bool is_valid_duration(double years, double months, double weeks, double days, d
return true;
}
// 7.5.5 DefaultTemporalLargestUnit ( years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds ), https://tc39.es/proposal-temporal/#sec-temporal-defaulttemporallargestunit
StringView default_temporal_largest_unit(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds)
{
// 1. If years is not zero, return "year".
if (years != 0)
return "year"sv;
// 2. If months is not zero, return "month".
if (months != 0)
return "month"sv;
// 3. If weeks is not zero, return "week".
if (weeks != 0)
return "week"sv;
// 4. If days is not zero, return "day".
if (days != 0)
return "day"sv;
// 5. If hours is not zero, return "hour".
if (hours != 0)
return "hour"sv;
// 6. If minutes is not zero, return "minute".
if (minutes != 0)
return "minute"sv;
// 7. If seconds is not zero, return "second".
if (seconds != 0)
return "second"sv;
// 8. If milliseconds is not zero, return "millisecond".
if (milliseconds != 0)
return "millisecond"sv;
// 9. If microseconds is not zero, return "microsecond".
if (microseconds != 0)
return "microsecond"sv;
// 10. Return "nanosecond".
return "nanosecond"sv;
}
// 7.5.6 ToPartialDuration ( temporalDurationLike ), https://tc39.es/proposal-temporal/#sec-temporal-topartialduration
ThrowCompletionOr<PartialDuration> to_partial_duration(GlobalObject& global_object, Value temporal_duration_like)
{