zod

TypeScript-first schema declaration and validation library with static type inference

v3.23.8 URL: https://unpkg.com/zod@3.23.8/lib/index.js

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typescript schema validation type inference

type-check

type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

v0.4.0 URL: https://unpkg.com/browse/type-check@0.4.0/lib/

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type check checking library

ts-interface-checker

Runtime library to validate data against TypeScript interfaces

v1.0.2 URL: https://unpkg.com/ts-interface-checker@1.0.2/dist/index.js

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typescript ts interface type validate validator check

check-types

A little library for asserting types and values, with zero dependencies.

v11.2.3 URL: https://unpkg.com/check-types@11.2.3/src/check-types.js

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type types type-check type-checking duck-typing arguments parameters values data contract assert check verify safe safety