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