is-promise

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

Usage no npm install needed!

<script type="module">
  import isPromise from 'https://cdn.skypack.dev/is-promise';
</script>

README

is-promise

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

Build Status Dependency Status NPM version

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