Showing 1-20 of 249,539 packages
Decorator-based property validation for classes.
TypeScript-first schema declaration and validation library with static type inference
A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations
Wrap zod validation errors in user-friendly readable messages
A public domain JSON Schema validator for JavaScript
User validations for npm
express-validation is a middleware that validates a request and returns a response with errors; if any of the configured validation rules fail.
validate express application inputs and parameters using joi
Function argument validation for humans
Simplify your schema by combining allOf into the root schema, safely.
React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype, Typanion, Effect-TS and VineJS
Additional JSON-Schema keywords for Ajv JSON validator
SCIM Patch operation (rfc7644).
Featureful configuration management library for Node.js (nested structure, schema validation, etc.)
A React component that traps focus.
Validates an IRI according to RFC 3987
YAML language server
Schema for data modeling & validation
Node validation utility functions for Docusaurus packages.
Form validation helpers for reactstrap