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Branded Types #3964

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marcobiedermann opened this issue Jan 31, 2025 · 0 comments

marcobiedermann commented Jan 31, 2025 •

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When using string-specific validation, this should result in a branded type

Current behavior

const jwt = z.string().jwt()

type JWT = z.infer<typeof jwt>; // type JWT = string

Expected behavior

const jwt = z.string().jwt()

type JWT = z.infer<typeof jwt>; // type JWT = string & z.BRAND<"Jwt">

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