type checking "micro library"

Check if something is a Node.js stream

Check if a value is a plain object

Determine if an object is a Buffer

Check if something is a generator function

Determine if a function is a native generator function.

Check if a file path is a binary file

TypeScript is a language for application scale JavaScript development

React is a JavaScript library for building user interfaces.

Determine if a function is a native async function.

React is a JavaScript library for building user interfaces.

Check if something is a promise

Check if a value is a regular expression

Babel Types is a Lodash-esque utility library for AST nodes

Check whether a string is a URL.

Determine if an object is a Stream

Determine whether an AST node is a reference

This packages is a collection of utilities and helper functions

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

Detect if the current environment is a CI server