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LibJS: Convert Date-related equations into proper AOs

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This is an editorial change in the ECMA-262 spec. See:
7178fa8
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Timothy Flynn 2023-10-03 11:01:19 -04:00 • committed by Andreas Kling
parent 021a141b53
commit ddaba88340
2 changed files with 222 additions and 167 deletions
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12
Userland/Libraries/LibJS/Runtime/Date.h
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
* Copyright (c) 2022-2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -49,27 +49,27 @@ constexpr inline double ms_per_day = 86'400'000;
constexpr inline double ns_per_day = 86'400'000'000'000;
extern Crypto::SignedBigInteger const ns_per_day_bigint;
u16 day_within_year(double);
u8 date_from_time(double);
double day(double);
double time_within_day(double);
u16 days_in_year(i32);
double day_from_year(i32);
double time_from_year(i32);
i32 year_from_time(double);
u16 day_within_year(double);
bool in_leap_year(double);
u8 month_from_time(double);
u8 date_from_time(double);
u8 week_day(double);
u8 hour_from_time(double);
u8 min_from_time(double);
u8 sec_from_time(double);
u16 ms_from_time(double);
u8 week_day(double);
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);
double time_within_day(double);
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);