Simple set of functions to check variables. Includes check of undefined / defined / defined and not null / defined and not empty / is number / is function is object

Error comparison and information related utility for node and the browser

is Tool type check tool

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

Turns off all rules that are unnecessary or might conflict with Prettier.

Verifies security vulnerabilities in your codebase.

checks the all of the hyperlinks in a markdown text to determine if they are alive or dead

A tiny url status check tool

Storybook Themes addon: Switch between themes from the toolbar

A javascript type check tool

Turns off all SCSS rules that are unnecessary or might conflict with Prettier.

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

Checks for supported node versions

PostHog Node.js AI integrations

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.

A Node.js wrapper for the CLI version of OWASP dependency-check tool.

an eIUM configuration check tool

Check if a binary is working