Huge News!Announcing our $40M Series B led by Abstract Ventures.Learn More
Socket
Sign inDemoInstall
Socket

defined

Package Overview
Dependencies
Maintainers
2
Versions
3
Alerts
File Explorer

Advanced tools

Socket logo

Install Socket

Detect and block malicious and high-risk dependencies

Install

defined

return the first argument that is `!== undefined`

  • 1.0.1
  • latest
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
3.4M
decreased by-8.11%
Maintainers
2
Weekly downloads
 
Created
Source

defined Version Badge

github actions coverage License Downloads

npm badge

return the first argument that is !== undefined

Most of the time when I chain together ||s, I actually just want the first item that is not undefined, not the first non-falsy item.

This module is like the defined-or (//) operator in perl 5.10+.

example

var defined = require('defined');
var opts = { y : false, w : 4 };
var x = defined(opts.x, opts.y, opts.w, 100);
console.log(x);
$ node example/defined.js
false

The return value is false because false is the first item that is !== undefined.

methods

var defined = require('defined')

var x = defined(a, b, c...)

Return the first item in the argument list a, b, c... that is !== undefined.

If all the items are === undefined, return undefined.

install

With npm do:

npm install defined

license

MIT

Keywords

FAQs

Package last updated on 12 Oct 2022

Did you know?

Socket

Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.

Install

Related posts

SocketSocket SOC 2 Logo

Product

  • Package Alerts
  • Integrations
  • Docs
  • Pricing
  • FAQ
  • Roadmap
  • Changelog

Packages

npm

Stay in touch

Get open source security insights delivered straight into your inbox.


  • Terms
  • Privacy
  • Security

Made with ⚡️ by Socket Inc