ispromise

ispromise

Test whether an object/function is a promises/A+ object/function or constructor. More powerful then is-promise.

Installation

npm i ispromise -S

Usage

var isPromise = require('ispromise');

isPromise(Promise) // false
isPromise(Promise.resolve()) // true
isPromise.isConstructor(Promise) // true

License

MIT@Jingchen Zhao