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LibJS: Pass valid offset string directly to CreateTemporalTimeZone

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This is an editorial change in the Temporal spec.

See:
- 75490b9
- 8b70e4b
This commit is contained in:
Linus Groh 2022-01-22 21:35:08 +00:00
parent 6d744eb4a7
commit 31283b5e64
3 changed files with 34 additions and 31 deletions
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25
Userland/Libraries/LibJS/Runtime/Temporal/TimeZoneConstructor.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -50,30 +50,21 @@ ThrowCompletionOr<Object*> TimeZoneConstructor::construct(FunctionObject& new_ta
// 2. Set identifier to ? ToString(identifier).
auto identifier = TRY(vm.argument(0).to_string(global_object));
String canonical;
// 3. If identifier satisfies the syntax of a TimeZoneNumericUTCOffset (see 13.33), then
if (is_valid_time_zone_numeric_utc_offset_syntax(identifier)) {
// a. Let offsetNanoseconds be ? ParseTimeZoneOffsetString(identifier).
auto offset_nanoseconds = TRY(parse_time_zone_offset_string(global_object, identifier));
// b. Let canonical be ! FormatTimeZoneOffsetString(offsetNanoseconds).
canonical = format_time_zone_offset_string(offset_nanoseconds);
}
// 4. Else,
else {
// 3. Let parseResult be ParseText(! StringToCodePoints(identifier), TimeZoneNumericUTCOffset).
// 4. If parseResult is a List of errors, then
if (!is_valid_time_zone_numeric_utc_offset_syntax(identifier)) {
// a. If ! IsValidTimeZoneName(identifier) is false, then
if (!is_valid_time_zone_name(identifier)) {
// i. Throw a RangeError exception.
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidTimeZoneName, identifier);
}
// b. Let canonical be ! CanonicalizeTimeZoneName(identifier).
canonical = canonicalize_time_zone_name(identifier);
// b. Set identifier to ! CanonicalizeTimeZoneName(identifier).
identifier = canonicalize_time_zone_name(identifier);
}
// 5. Return ? CreateTemporalTimeZone(canonical, NewTarget).
return TRY(create_temporal_time_zone(global_object, canonical, &new_target));
// 5. Return ? CreateTemporalTimeZone(identifier, NewTarget).
return TRY(create_temporal_time_zone(global_object, identifier, &new_target));
}
// 11.3.2 Temporal.TimeZone.from ( item ), https://tc39.es/proposal-temporal/#sec-temporal.timezone.from