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LibJS: Implement Temporal.TimeZone.prototype.getOffsetNanosecondsFor()

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Linus Groh 2021-07-25 20:19:37 +01:00
parent d428787e18
commit 96e63415b6
6 changed files with 61 additions and 0 deletions
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9
Userland/Libraries/LibJS/Runtime/Temporal/TimeZone.cpp
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@ -92,6 +92,15 @@ TimeZone* create_temporal_time_zone(GlobalObject& global_object, String const& i
return object;
}
// 11.6.5 GetIANATimeZoneOffsetNanoseconds ( epochNanoseconds, timeZoneIdentifier ), https://tc39.es/proposal-temporal/#sec-temporal-getianatimezoneoffsetnanoseconds
i64 get_iana_time_zone_offset_nanoseconds([[maybe_unused]] BigInt const& epoch_nanoseconds, [[maybe_unused]] String const& time_zone_identifier)
{
// The abstract operation GetIANATimeZoneOffsetNanoseconds is an implementation-defined algorithm that returns an integer representing the offset of the IANA time zone identified by timeZoneIdentifier from UTC, at the instant corresponding to epochNanoseconds.
// Given the same values of epochNanoseconds and timeZoneIdentifier, the result must be the same for the lifetime of the surrounding agent.
// TODO: Implement this
return 0;
}
// https://tc39.es/proposal-temporal/#prod-TimeZoneNumericUTCOffset
static bool parse_time_zone_numeric_utc_offset_syntax(String const& offset_string, StringView& sign, StringView& hours, Optional<StringView>& minutes, Optional<StringView>& seconds, Optional<StringView>& fraction)
{