A sanitize module for the people. Built for ApostropheCMS.

type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.

Error comparison and information related utility for node and the browser

Check if a string or date object is a valid birthdate.

Library to convert Yup to JSON Schema

Check if a path is a file, directory, or symlink

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

Large collection of predicates.

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

A little library for asserting types and values, with zero dependencies.

Check if a value is an object

Check if a binary is working

A TypeScript package with latest Schema.org Schema Typings

Check if a file path is a binary file

Check if something is a generator function

unist utility to check if a node passes a test

Check if the process is running in an SSH session

Detect whether the terminal supports Unicode

Generate TypeScript definitions from database schemas.

Check if a value is a plain object