directus

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type UUID = `${string}-${string}-${string}-${string}-${string}`;
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/**
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 * Based on the patterns found in the 'uuid' and 'uuid-validate' npm packages, both of which are MIT licensed.
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 *
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 * The primary difference between this pattern and the patterns found in the referenced packages is that
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 * no validation over the version component (the 14th character) is performed, while the
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 * packages fail if the version is not a known one (only versions 1 through 5 are accepted).
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 *
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 * This specification complies with all major database vendors.
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 *
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 * e22f209d-9e85-4ef5-b1fe-7dc09d2b67cf
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 *               ^ version
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 *
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 * @see https://datatracker.ietf.org/doc/html/rfc4122
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 * @see https://github.com/uuidjs/uuid/blob/bc46e198ab06311a9d82d3c9c6222062dd27f760/src/regex.js
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 * @see https://github.com/microsoft/uuid-validate/blob/06554db1b093aa6bb429156fa8964e1cde2b750c/index.js
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 * @see https://github.com/directus/directus/issues/21573
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 */
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const regex = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
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export function isValidUuid(value: string): value is UUID {
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	return regex.test(value);
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}
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