This package makes sure that all your values are validated, such as email, password, debit card, passport number, and several other validations.
Rebus3 export validator
Javascript key validator
Satsuma's CLI for managing custom graphql queries.
An automatically generated extraction of just the simulator portion of Pokémon Showdown
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
Configurable and extensible validator/linter for OpenAPI documents
A JavaScript library for validating barcodes. Supported symbologies: EAN-13, EAN-8
Plugin validator
Library to validate Stripe's supported credit cards
A fully RFC 5322 and RFC 6531/6532 compliant email address validator.
Vue component to integrate Disqus comments in your application, with support for SPA
Modern Buffer API polyfill without footguns
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.
A plugin for 11ty which validates your site's HTML after build.
Biome is a toolchain for the web: formatter, linter and more
Check version ranges like `>=N` and `X || Y || Z` with support for Node.js, Web Browsers, Deno, and TypeScript.
a package manager for JavaScript
Angular 2 template form validators by @AngularClass
Streamlined form validation library with chainable API
AI-powered multi-stack dev workflow for Claude Code. Supports PHP, Node.js, Python and more.