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LibJS: Use Temporal's ISO8601 parser to parse UTC offset strings

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We now have the Temporal facilities to implement the Date AOs which
parse UTC offset strings using the ISO8601 parser. This patch updates
those AOs and their callers in accordance with the Temporal spec.
This commit is contained in:
Timothy Flynn 2024-11-20 20:06:42 -05:00 • committed by Tim Flynn
commit c6fccc04e1
Notes: github-actions[bot] 2024-11-22 00:25:18 +00:00
6 changed files with 113 additions and 284 deletions
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17
Libraries/LibJS/Runtime/Date.h
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022-2024, Tim Flynn <trflynn89@serenityos.org>
* Copyright (c) 2022-2024, Tim Flynn <trflynn89@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -58,14 +58,6 @@ 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;
struct UTCOffset {
Optional<char> sign;
Optional<u8> hour;
Optional<u8> minute;
Optional<u8> second;
Optional<StringView> fraction;
};
double day(double);
double time_within_day(double);
u16 days_in_year(i32);
@ -93,8 +85,9 @@ 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);
Optional<UTCOffset> parse_utc_offset(StringView);
bool is_time_zone_offset_string(StringView offset_string);
double parse_time_zone_offset_string(StringView offset_string);
bool is_offset_time_zone_identifier(StringView offset_string);
ThrowCompletionOr<double> parse_date_time_utc_offset(VM&, StringView offset_string);
double parse_date_time_utc_offset(StringView offset_string);
double parse_date_time_utc_offset(Temporal::TimeZoneOffset const&);
}