ajv
Another JSON Schema Validator
Another JSON Schema Validator
Type check values
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
Give me a string and I'll tell you if it's a valid npm package license string
Check if a protocol requires a certain port number to be added to an URL.
Utilities for determining if characters belong to character classes defined by the XML specs.
Object schema validation
Email address and domain validation
String validation and sanitization
Give me a string and I'll tell you if it's a valid npm package name
Object schema validation
Custom React PropType validators that we use at Airbnb.
For use with React PropTypes. Will error on any prop not explicitly specified.
Validate an email address according to RFCs 5321, 5322, and others
A fast and easy to use JSON Schema validator
Build forms in React, without the tears
Hash a stream of data, then validate
Email address and domain validation
A type checking library where each exported function returns either true or false and does not throw. Also added tests.
Performant, flexible and extensible forms library for React Hooks