Check Packages

Validates if a value is a URI.

Checks if a given string is a valid npm package name adhering to npm rules and best practice

Check if a string can be used as a JavaScript variable name

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Check if an input value is a valid semver version or not.

retrieve the type of your value by using constructors when possible

A simple, extensible object property validator for node.js. Supports express.js.

Check whether a binary version satisfies a semver range

Stylelint shareable config for XO

TypeScript / JavaScript library for detect WebAssembly features in node.js & browser

Check that given value is valid hex color, using `hex-color-regex` - the best regex for matching hex color values

An implementation of gRPC health checks, written in typescript.

Returns a boolean indicating if the current process is running on Windows.

A proxy to `path`, replacing `\` with `/` for all results

Uptime monitor in Node.js that send status changes to Chatbots

Base58Check encoding

Detect when an element is ready in the DOM

Keep your package.json version requirements satisfied

Check if a Buffer/Uint8Array is a RAR file

Check if a Buffer/Uint8Array is a 7ZIP file