Is-Promise Packages

Util-functions that are be useful in async tests

is type shorthands for fliphub, hundreds of type checks, modular exports

List of all javascript types. Used and useful for checking, validation, sanitizing and testing. Like isStream, isPromise, isWeakset and etc.

Assert your published package actually works

"A simple promise validation module. It does what it can (but how much can we do?)."

Type check in TypeScript

Check if the parameter is promise

Simple and light-weight JavaScript type checker that brings convenience!