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LibJS: Stub out Temporal.ZonedDateTime.prototype.getTimeZoneTransition

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We will have to add facilities to determine next/previous time zone
transitions. Ideally, ICU can provide this.
This commit is contained in:
Timothy Flynn
2024-11-25 13:51:48 -05:00
committed by Andreas Kling
parent 6d78f1327e
commit b95528d7b5
8 changed files with 133 additions and 0 deletions
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15
Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
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@@ -245,6 +245,21 @@ ThrowCompletionOr<ShowOffset> get_temporal_show_offset_option(VM& vm, Object con
return ShowOffset::Auto;
}
// 13.13 GetDirectionOption ( options ), https://tc39.es/proposal-temporal/#sec-temporal-getdirectionoption
ThrowCompletionOr<Direction> get_direction_option(VM& vm, Object const& options)
{
// 1. Let stringValue be ? GetOption(options, "direction", STRING, « "next", "previous" », REQUIRED).
auto string_value = TRY(get_option(vm, options, vm.names.direction, OptionType::String, { "next"sv, "previous"sv }, Required {}));
auto string_view = string_value.as_string().utf8_string_view();
// 2. If stringValue is "next", return NEXT.
if (string_view == "next"sv)
return Direction::Next;
// 3. Return PREVIOUS.
return Direction::Previous;
}
// 13.14 ValidateTemporalRoundingIncrement ( increment, dividend, inclusive ), https://tc39.es/proposal-temporal/#sec-validatetemporalroundingincrement
ThrowCompletionOr<void> validate_temporal_rounding_increment(VM& vm, u64 increment, u64 dividend, bool inclusive)
{