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LibJS: Define IsValidTimeZoneName in terms of AvailableTimeZones
This is an editorial change in the Temporal spec.
See: d83dcf0
Note that even though we already implement AvailableTimeZones for Intl,
I kept the existing implementation calling into LibTimeZone directly.
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2 changed files with 5 additions and 5 deletions
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@ -28,11 +28,11 @@ TimeZone::TimeZone(Object& prototype)
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}
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// 11.1.1 IsValidTimeZoneName ( timeZone ), https://tc39.es/proposal-temporal/#sec-isvalidtimezonename
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// 15.1.1 IsValidTimeZoneName ( timeZone ), https://tc39.es/proposal-temporal/#sup-isvalidtimezonename
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bool is_valid_time_zone_name(String const& time_zone)
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bool is_valid_time_zone_name(StringView time_zone)
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{
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// 1. If one of the Zone or Link names of the IANA Time Zone Database is an ASCII-case-insensitive match of timeZone as described in 6.1, return true.
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// 2. If timeZone is an ASCII-case-insensitive match of "UTC", return true.
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// 1. Let timeZones be AvailableTimeZones().
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// 2. For each String candidate in timeZones, do
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// a. If timeZone is an ASCII-case-insensitive match for candidate, return true.
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// 3. Return false.
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// NOTE: When LibTimeZone is built without ENABLE_TIME_ZONE_DATA, this only recognizes 'UTC',
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// which matches the minimum requirements of the Temporal spec.
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