OW is a flexible and composable validation library for JavaScript and TypeScript. It provides a simple and expressive API for defining validation rules and ensuring the correctness of data structures. OW allows you to create custom validation functions, compose multiple rules, and handle complex validation scenarios with ease. It supports various data types, including primitives, arrays, objects, and more.
Zod is a TypeScript-first schema declaration and validation library that focuses on simplicity, type-safety, and developer experience. It allows you to define schemas for data validation and parsing with a concise and intuitive syntax, leveraging the power of TypeScript's type system. Zod provides a rich set of validation methods and error handling capabilities, making it easy to ensure data integrity and consistency in your applications.
Alternatives:
yup-+
joi-+
superstruct-+
io-ts-+
ajv-+
class-validator-+
runtypes-+
computed-types-+
typescript-is-+
vest-+
Tags: typescriptvalidationschemadatatype-safety
Fight!
Popularity
Both Ow and Zod are popular npm packages in the JavaScript community. However, Zod has gained more popularity in recent years due to its modern approach and extensive features.
Validation Features
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.
Developer Experience
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.
TypeScript Support
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.
Performance
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.