This package makes sure that all your values are validated, such as email, password, debit card, passport number, and several other validations.
Modern Buffer API polyfill without footguns
A fully RFC 5322 and RFC 6531/6532 compliant email address validator.
``` npm adduser ```
Plugin validator
An helper class that checks the validity of a Koalati tool's results
Vue component to integrate Disqus comments in your application, with support for SPA
JSON Schema route validation middleware for Expresso
Generate json schema from yaml (swagger, openapi, asyncapi)
Simple Validations for objects
A Vite plugin for environment variable validation with support for Zod, Yup, and Joi
Agent commerce SDK — identity middleware (Hono, Express, Fastify, Next.js, Web Fetch) + payment helpers + 402 builders + discovery + Stripe multichain. The full merchant-side toolkit for AgentScore-powered agent commerce.
Configurable and extensible validator/linter for OpenAPI documents
Express 4 adapter for @aahoughton/oav-core. Ships a request-validator middleware factory plus standalone helpers (httpRequestFromExpress, renderProblemDetails) for callers that want to compose their own.
Makes Angular models async validation a little less painful.
XSD schema validator — fork of xsd-validator with updated dependencies
Biome is a toolchain for the web: formatter, linter and more
A simple, fully typed, customizable reactive validator engine to validate your state with built-in rules or custom logic.
Check version ranges like `>=N` and `X || Y || Z` with support for Node.js, Web Browsers, Deno, and TypeScript.
Converts TypeScript type and interface definitions into [io-ts](https://github.com/gcanti/io-ts) type validators.

A plugin for 11ty which validates your site's HTML after build.
Exception handle module for ens fierte
Library to validate Stripe's supported credit cards