node data type check

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

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

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

Error comparison and information related utility for node and the browser

Check if a binary is working

Work with IANA language tags.

Javascript data type check true or false.

Type check values

Check if a local or remote port is reachable

Check whether a binary version satisfies a semver range

Check if a value is an object

Check if something is a generator function

Create and parse HTTP Content-Type header

Infer the content-type of a request.

Improved typeof detection for node.js and the browser.

What is the type of this builtin JS value?

An Rsbuild plugin to run TypeScript type checker in a separate process.

Check if a value is a `Blob`

Check if a value is a plain object