Web backend Data validation libraries are software tools that enable developers to validate user input in web applications. Validation refers to the process of checking user input to ensure that it meets certain criteria or constraints. Data validation libraries provide a way to define rules for input validation and to perform the validation automatically when data is submitted through a web form or API endpoint. Some popular web backend data validation libraries include Joi (JavaScript), WTForms (Python), and ActiveModel::Validations (Ruby). By using data validation libraries, developers can ensure that the data submitted by users is accurate and secure, preventing errors and potential security vulnerabilities. This can lead to a more reliable and trustworthy web application for users.
Top 8 web backend Data validation libraries for validating user input, their popularity, URL, and description
1. Joi (https://github.com/hapijs/joi): Popular object schema validation library for Node.js with a fluent API for defining schemas and powerful validation logic.
2. Vuelidate (https://vuelidate.js.org/): Simple, lightweight model-based validation for Vue.js applications with a straightforward syntax and intuitive API that makes it easy to get started quickly and scale up as needed.
3. Yup (https://github.com/jquense/yup): A JavaScript object schema validator and object parser designed to be simple, fast, extensible, and small enough to be bundled with your application code or used in a serverless environment such as AWS Lambda or Google Cloud Functions without any additional dependencies required on the client side or server side respectively
4. ValidatorJS (https://github.com/skaterdav85/validatorjs): A library of string validators and sanitizers that can be used to validate user input in web forms or other data sources such as JSON objects
5. express-validator (https://express-validator.github.io/docs/): An express middleware module that provides robust data validation capabilities for Express applications using the popular Joi library
6. AJV (https://ajv.js.org/): A high-performance JSON Schema validator is written in JavaScript which supports both drafts 4 & 6 of the specification
7. Zod (https://zod.dev/ ): A TypeScript-based runtime type system that allows you to define complex types using an expressive syntax while providing compile-time type safety checks
8. Superstruct ( https://github.com/ianstormtaylor/superstruct ): A tiny library for creating strongly typed data structures with an intuitive syntax