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LibJS+LibTimeZone+LibUnicode: Indicate whether a time zone is in DST

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Return whether the time zone is in DST during the provided time from
TimeZone::get_time_zone_offset,
This commit is contained in:
Timothy Flynn 2022-01-19 14:18:02 -05:00 • committed by Linus Groh
parent 42c9c57141
commit 70f49d0696
7 changed files with 86 additions and 69 deletions
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3
Userland/Libraries/LibJS/Runtime/Date.cpp
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@ -286,7 +286,8 @@ double local_tza(double time, [[maybe_unused]] bool is_utc, Optional<StringView>
auto time_since_epoch = Value(time).is_finite_number() ? AK::Time::from_milliseconds(time) : AK::Time::max();
auto maybe_offset = TimeZone::get_time_zone_offset(time_zone, time_since_epoch);
return maybe_offset.value_or(0) * 1000;
return maybe_offset.has_value() ? static_cast<double>(maybe_offset->seconds) * 1000 : 0;
}
// 21.4.1.8 LocalTime ( t ), https://tc39.es/ecma262/#sec-localtime