Test whether an object looks like a promises-a+ promise
$ npm install is-promise
You can also use it client side via npm.
import isPromise from 'is-promise';
isPromise(Promise.resolve());//=>true
isPromise({then:function () {...}});//=>true
isPromise(null);//=>false
isPromise({});//=>false
isPromise({then: true})//=>false
MIT
The p-is-promise package provides similar functionality to is-promise by checking if a value is a promise. It is also lightweight and straightforward to use, making it a good alternative.
The is-promise-like package checks if a value is promise-like, meaning it has a then method. This package is slightly more lenient than is-promise, as it does not require the value to be an actual Promise object.
FAQs
Test whether an object looks like a promises-a+ promise
The npm package is-promise receives a total of 36,125,943 weekly downloads. As such, is-promise popularity was classified as popular.
We found that is-promise demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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