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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
parent 64811ab7b6
commit c6fccc04e1
Notes: github-actions[bot] 2024-11-22 00:25:18 +00:00 
Author: https://github.com/trflynn89
Commit: https://github.com/LadybirdBrowser/ladybird/commit/c6fccc04e16
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2471
6 changed files with 113 additions and 284 deletions
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3
Libraries/LibJS/Runtime/Temporal/TimeZone.cpp
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@@ -115,8 +115,7 @@ TimeZone parse_time_zone_identifier(ParseResult const& parse_result)
// b. Let offsetString be the source text matched by the UTCOffset[~SubMinutePrecision] Parse Node contained within parseResult.
// c. Let offsetNanoseconds be ! ParseDateTimeUTCOffset(offsetString).
// FIXME: ParseTimeZoneOffsetString should be renamed to ParseDateTimeUTCOffset and updated for Temporal.
auto offset_nanoseconds = parse_time_zone_offset_string(parse_result.time_zone_offset->source_text);
auto offset_nanoseconds = parse_date_time_utc_offset(parse_result.time_zone_offset->source_text);
// d. Let offsetMinutes be offsetNanoseconds / (60 × 10**9).
auto offset_minutes = offset_nanoseconds / 60'000'000'000;