is-child-process

is-child-process

Checks whether a value is child process result, which in case is more specific Node.js EventEmitter. Browserify-ready.

Install

npm i is-child-process --save

Usage

For more use-cases see the tests

var isChildProcess = require('is-child-process')

returns false

var fs = require('fs')
var Dush = require('dush')
var Emitter = require('events').EventEmitter

isChildProcess(fs.createReadStream('package.json')) //=> false
isChildProcess(new Emitter()) //=> false
isChildProcess(new Dush()) //=> false

returns true

var cp = require('child_process')

var spawn = cp.spawn('echo', ['hello world'])
var exec = cp.exec('echo "hello world"')

isChildProcess(spawn) //=> true
isChildProcess(exec) //=> true

Related

• is-emitter: Check that given value is EventEmitter, not so strict as is-node-emitter.
• is-node-emitter: Strictly checks that given value is nodejs EventEmitter. It's easy, because his API is in frozen state.
• is-node-stream: Strictly and correctly checks if value is a nodejs stream.
• is-request-stream: Check that given value is request stream

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

Changelog

1.0.2 - 2016-03-22

• Release v1.0.2 / npm@v1.0.2
• use master branch badge on travis
• update license year range
• add test that ensure it return true if stdio: 'inherit' is passed to options on cp.spawn