simple validation functions
Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
Validate identifier/keywords name
Additional JSON-Schema keywords for Ajv JSON validator
Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
Validate plugin/preset options
Get and validate the raw body of a readable stream.
Json Schema Type Builder with Static Type Resolution for TypeScript
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
An object schema merger/validator
Generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration.
Regular expression parser for ECMAScript.
Express middleware to validate request (headers, params, query, body) using Joi
General purpose validation library for JavaScript
Give me a string and I'll tell you if it's a valid npm package license string
Compile objects with duplicate keys to valid strict ES5
Validates whether a string matches the production for an XML name or qualified name
Regular expression parser for ECMAScript.
Extremely fast HTTP Archive (HAR) validator using JSON Schema
Give me a string and I'll tell you if it's a valid npm package name
A function to check whether a prop is valid for HTML and SVG elements
A library for parsing IPv4 and IPv6 IP addresses in node and the browser.
Wrap zod validation errors in user-friendly readable messages
Hash a stream of data, then validate
Error constructor for test and validation frameworks that implements standardized AssertionError specification.
String validation and sanitization
Email address and domain validation
TypeScript-first schema declaration and validation library with static type inference
Runtime library to validate data against TypeScript interfaces
The thing npm uses to read package.json files with semantics and defaults and validation
Node validation utility functions for Docusaurus packages.