Vest
A framework-agnostic validation library that uses a unit testing-like syntax for writing maintainable form validations.
What is Vest?
Vest is a declarative validation framework that allows developers to write form validations using a syntax similar to unit testing frameworks like Jest or Mocha. It solves the problem of messy validation logic by providing a clean, maintainable way to define and run validations that are separate from application feature logic. Vest is designed to be framework-agnostic, working with any JavaScript UI library or vanilla JS.
Frontend and full-stack JavaScript developers who need a robust, type-safe validation solution for forms in React, Vue, Svelte, Angular, or other frameworks, especially those familiar with unit testing patterns.
Developers choose Vest for its intuitive unit testing-like syntax that reduces learning time, its framework-agnostic design that avoids vendor lock-in, and its strong TypeScript support with features like SSR hydration and Standard Schema compatibility, making it a versatile drop-in replacement for libraries like Zod or Yup.
Overview
Vest ✅ Declarative validations framework
Use Cases
Best For
- Implementing form validations with a familiar unit testing syntax
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