Awesome
is-emitter 
Check that given value is EventEmitter, not so strict as
is-node-emitter.
Install
npm i is-emitter --save
Usage
For more use-cases see the tests
var isEmitter = require('is-emitter')
return true for emitters and streams
var fs = require('fs')
var cp = require('child_process')
var DualEmitter = require('dual-emitter')
isEmitter(process)
isEmitter(process.stdin)
isEmitter(process.stdout)
isEmitter(cp.exec('echo hello world'))
isEmitter(fs.createReadStream('./index.js'))
isEmitter(DualEmitter())
return false otherwise
function Func () {}
isEmitter(1234)
isEmitter(['a'])
isEmitter(/regex/)
isEmitter({a: 'b'})
isEmitter(function () {})
isEmitter(new Func())
isEmitter(new Date())
Related
- component-emitter: Event emitter
- dual-emitter: :tropical_drink: EventEmitter done right and no dependencies. For nodejs and the browser (>= IE8). Can… more
- is-node-emitter: Strictly checks that given value is nodejs EventEmitter. It's easy, because his API is in… more
Contributing
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
But before doing anything, please read the CONTRIBUTING.md guidelines.
Charlike Make Reagent 
