Data validation Packages

Critiq is a simple data validator useful for API building.

check whether value is undefined or empty or null

check whether value is undefined or empty or null

Validation library inspired by Laravel's Validator and support for express middleware

Light weight node.js validation library

Make Sure That Your Variable Is Valid

Simple, extensible rich data validation and integrity checker for Javascript

A super simple npm package which helps in validation in much simpler way. Its inspired by laravel validator but its even better, also its more powerful than express-validator

Simple to use and quite flexible Data Validator/Verifier for Web and Node.js applications.

Utility for detecting value types

A simple function to check if a piece of data is truthy. JavaScript version.

A versatile toolkit of utility functions and validators for simplifying data validation and common tasks in JavaScript applications.

The safeNumber package ensures safe conversion of any value to a valid, finite number in JavaScript. It handles diverse inputs like strings, objects, arrays, null, undefined, and Infinity, always returning a reliable number or 0 for invalid cases. Whether

A comprehensive Node.js package for advanced data validations.

TypeConformity is a powerful TypeScript/JavaScript library for validating types of values at runtime, enforcing data integrity and preventing erroneous or unexpected data in your systems.

Simplify validation with built-in support for common data types, custom rules, and seamless integration with popular frameworks.

Data contracts for data validation

Data contracts for data validation

Validation library inspired by Laravel's Validator

Comprehensive JavaScript and TypeScript utilities for seamless development. Includes object manipulation, data validation, and more.