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LibJS: Implement default_temporal_largest_unit()
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -163,6 +164,49 @@ bool is_valid_duration(double years, double months, double weeks, double days, d
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return true;
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}
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// 7.5.5 DefaultTemporalLargestUnit ( years, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds ), https://tc39.es/proposal-temporal/#sec-temporal-defaulttemporallargestunit
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StringView default_temporal_largest_unit(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds)
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{
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// 1. If years is not zero, return "year".
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if (years != 0)
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return "year"sv;
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// 2. If months is not zero, return "month".
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if (months != 0)
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return "month"sv;
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// 3. If weeks is not zero, return "week".
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if (weeks != 0)
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return "week"sv;
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// 4. If days is not zero, return "day".
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if (days != 0)
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return "day"sv;
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// 5. If hours is not zero, return "hour".
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if (hours != 0)
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return "hour"sv;
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// 6. If minutes is not zero, return "minute".
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if (minutes != 0)
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return "minute"sv;
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// 7. If seconds is not zero, return "second".
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if (seconds != 0)
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return "second"sv;
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// 8. If milliseconds is not zero, return "millisecond".
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if (milliseconds != 0)
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return "millisecond"sv;
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// 9. If microseconds is not zero, return "microsecond".
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if (microseconds != 0)
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return "microsecond"sv;
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// 10. Return "nanosecond".
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return "nanosecond"sv;
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}
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// 7.5.6 ToPartialDuration ( temporalDurationLike ), https://tc39.es/proposal-temporal/#sec-temporal-topartialduration
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ThrowCompletionOr<PartialDuration> to_partial_duration(GlobalObject& global_object, Value temporal_duration_like)
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{
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