is-promise

Test whether an object looks like a promises-a+ promise

![Build Status](https://travis-ci.org/then/is-promise) ![Dependency Status](https://david-dm.org/then/is-promise) ![NPM version](https://www.npmjs.org/package/is-promise)

Installation

$ npm install is-promise

You can also use it client side via npm.

API

import isPromise from 'is-promise';isPromise(Promise.resolve());//=>true
isPromise({then:function () {...}});//=>true
isPromise(null);//=>false
isPromise({});//=>false
isPromise({then: true})//=>false

License

MIT

查看原始 Markdown