Extremely fast, eval-free runtime JSON Schema validation. Interprets a schema you do not know ahead of time — no new Function, no build step, runs anywhere.
A tiny runtime library for type assertions
Runtime library to validate data against TypeScript interfaces
Generate TypeScript validation functions from JSON Schemas.
Validators for Vuelidate
SQL contract types, validators, and IR factories for Prisma Next
TypeScript definitions for facebook-js-sdk
Validates XML name productions — Name, NCName, QName, NMToken, NMTokens — for XML 1.0 and 1.1
TypeScript's 1:1 validator, optimized from editor to runtime
TypeScript definitions for stripe-v3
TypeScript definitions for stripe-v2
Generate fast-check arbitraries and example values from JSON Schemas.
A collection of EmberJS validators
Validation for your environment variables
Lint an npm or yarn lockfile to analyze and detect issues
babel's modular runtime helpers
A collection of common validators for flow-runtime.
Runtime type checking for React props and similar objects.
Fast, zero-dependency TypeScript validators and utilities for runtime checks, parsing, and lightweight object schema validation.
Simple, lightweight model-based validation for Vue.js
Decentraland data structure interfaces and validators for TypeScript-based projects.
Runtime for Regenerator-compiled generator and async functions.
✅ Vite plugin for validating your environment variables
Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals