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Type validation.

Testing frameworks
Our review

What we like

Lightweight zero-dependency type validation for TypeScript (or JS) in Node or the browser. Gives you the power of types at runtime, not just when writing code e.g. checking responses from APIs or from user inputs. Supports complex types including datetimes, IP addresses, objects, functions, etc. Large ecosystem of uses e.g. JSON to Zod, Zod to OpenAPI.

What we don't like

The docs assume you know why you would want to use this, which isn’t completely clear until you experience the benefits.

Reviewed: 2023-06-01

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