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LibJS: Implement Temporal.PlainDate.prototype.since

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Luke Wilde 2021-11-15 21:05:45 +00:00 • committed by Linus Groh
parent ddec3bc888
commit ac65fb40d9
5 changed files with 346 additions and 0 deletions
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15
Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
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@ -225,6 +225,21 @@ ThrowCompletionOr<String> to_temporal_rounding_mode(GlobalObject& global_object,
return option.as_string().string();
}
// 13.9 NegateTemporalRoundingMode ( roundingMode ), https://tc39.es/proposal-temporal/#sec-temporal-negatetemporalroundingmode
StringView negate_temporal_rounding_mode(String const& rounding_mode)
{
// 1. If roundingMode is "ceil", return "floor".
if (rounding_mode == "ceil"sv)
return "floor"sv;
// 2. If roundingMode is "floor", return "ceil".
if (rounding_mode == "floor"sv)
return "ceil"sv;
// 3. Return roundingMode.
return rounding_mode;
}
// 13.10 ToTemporalOffset ( normalizedOptions, fallback ), https://tc39.es/proposal-temporal/#sec-temporal-totemporaloffset
ThrowCompletionOr<String> to_temporal_offset(GlobalObject& global_object, Object const& normalized_options, String const& fallback)
{