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LibJS: Implement the ECMA-402 definition of DefaultTimeZone

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Simply defer to LibTimeZone to retrieve the system's current time zone.
Also update some Temporal tests to explicitly set the time zone to UTC.
This commit is contained in:
Timothy Flynn 2022-01-11 23:23:41 -05:00 • committed by Linus Groh
parent bdf02c21e1
commit f6786881aa
6 changed files with 10 additions and 10 deletions
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6
Userland/Libraries/LibJS/Runtime/Temporal/TimeZone.cpp
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@ -56,11 +56,11 @@ String canonicalize_time_zone_name(String const& time_zone)
}
// 11.1.3 DefaultTimeZone ( ), https://tc39.es/proposal-temporal/#sec-defaulttimezone
// NOTE: This is the minimum implementation of DefaultTimeZone, supporting only the "UTC" time zone.
// 15.1.3 DefaultTimeZone ( ), https://tc39.es/proposal-temporal/#sup-defaulttimezone
String default_time_zone()
{
// 1. Return "UTC".
return "UTC";
// The DefaultTimeZone abstract operation returns a String value representing the valid (11.1.1) and canonicalized (11.1.2) time zone name for the host environment's current time zone.
return ::TimeZone::current_time_zone();
}
// 11.6.1 ParseTemporalTimeZone ( string ), https://tc39.es/proposal-temporal/#sec-temporal-parsetemporaltimezone