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LibJS: Consolidate sources of system time zone to one location in Date

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This is a normative change in the ECMA-262 spec. See:
43fd5f2

For the most part, these AOs are hoisted from Temporal.

Note that despite being a normative change, the expectation is that
this change does not result in any behavior differences.
This commit is contained in:
Timothy Flynn 2022-10-14 09:23:43 -04:00 • committed by Linus Groh
parent e952dca026
commit 019211bcb4
3 changed files with 293 additions and 18 deletions
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6
Userland/Libraries/LibJS/Runtime/Date.h
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@ -63,6 +63,10 @@ u8 sec_from_time(double);
u16 ms_from_time(double);
u8 week_day(double);
double local_tza(double time, bool is_utc, Optional<StringView> time_zone_override = {});
Crypto::SignedBigInteger get_utc_epoch_nanoseconds(i32 year, u8 month, u8 day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond);
Vector<Crypto::SignedBigInteger> get_named_time_zone_epoch_nanoseconds(StringView time_zone_identifier, i32 year, u8 month, u8 day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond);
i64 get_named_time_zone_offset_nanoseconds(StringView time_zone_identifier, Crypto::SignedBigInteger const& epoch_nanoseconds);
StringView default_time_zone();
double local_time(double time);
double utc_time(double time);
double day(double);
@ -71,5 +75,7 @@ double make_time(double hour, double min, double sec, double ms);
double make_day(double year, double month, double date);
double make_date(double day, double time);
double time_clip(double time);
bool is_time_zone_offset_string(StringView offset_string);
double parse_time_zone_offset_string(StringView offset_string);
}