Alternatives: joi, yup, io-ts
v3.22.4(about 2 months ago)
Zod is a lightweight TypeScript schema validation library that is designed to make it easy to validate and sanitize complex input data. It provides a simple and intuitive syntax for defining a schema that can be used to validate objects, as well as a performant runtime validation engine that can validate data at runtime.
Ow is a lightweight and minimalistic validation library that focuses on providing a simple and intuitive API for type checking and validation. It has a smaller feature set compared to Zod. On the other hand, Zod is a more comprehensive and powerful validation library that offers advanced features like schema generation, runtime validation, and support for complex data structures.
Both libraries provide a good developer experience. Ow has a very straightforward and easy-to-use API, making it quick to get started with. Zod, on the other hand, has a more expressive and declarative API that allows for more complex validation scenarios. It also provides better error messages and TypeScript support out of the box.
Both Ow and Zod have excellent TypeScript support. However, Zod is specifically designed with TypeScript in mind and provides better type inference and type safety. It leverages TypeScript's type system to provide more accurate and reliable type checking during validation.
Community and Documentation
Both libraries have active communities and are well-documented. Zod has a larger community and more extensive documentation, including examples and guides. It also has a more active GitHub repository with regular updates and bug fixes.
In terms of performance, Ow is generally faster and more lightweight compared to Zod. Ow focuses on minimalism and simplicity, which results in better performance for simple validation tasks. Zod, being a more feature-rich library, may have slightly slower performance for complex validation scenarios.