How to convert a JSON sample to a Zod schema (and the 4 algorithm choices behind a working converter)

📰 Dev.to · JSON to TS

Pasting a JSON sample into a Zod schema generator surfaces four non-obvious algorithm choices: children-first const ordering, z.union vs chained .or, .optional vs .nullish, and named-const-per-object. Walkthrough with code.

Published 10 May 2026

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Pasting a JSON sample into a Zod schema generator surfaces four non-obvious algorithm choices: children-first const ordering, z.union vs chained .or, .optional vs .nullish, and named-const-per-object. Walkthrough with code.
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