Automatically validate API requests and responses with OpenAPI 3 and Express.

React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype, Typanion, Effect-TS and VineJS

Validates password according to flexible and intuitive specifications

A library for validating credit card fields

Get and validate the raw body of a readable stream.

Validates XML name productions — Name, NCName, QName, NMToken, NMTokens — for XML 1.0 and 1.1

express openapi middleware validator

Internationalised error messages for Ajv JSON validator

Validate XML schema forbusiness rules and returns all the possible failures

Validate documents against a JSON Schema with Ajv and human-friendly errors

Sanity template validator for remote templates

hast utility to check if a link element is “Body OK”

Use Chai to assert that HTTP responses satisfy an OpenAPI spec

Stylelint plugin to validate CSS syntax

The goal of the package is to provide lightweight tools for validating strings denotings dates and time. It includes ISO 8601 datestring validation, simple YYYY-MM-DD date validation and time validation in hh:mm:ss.fff format. See details in readme.

CSS validator built on csstree

Validator middleware for the middy framework

Validate OpenAPI documents against the OpenAPI Specification

mongoose-unique-validator is a plugin which adds pre-save validation for unique fields within a Mongoose schema.

Validator middleware using Zod