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Title: CommonJS  
Author: World Heritage Encyclopedia
Language: English
Subject: JavaScript, Wakanda (software), JSGI, TypeScript, JavaScript library
Collection: Javascript
Publisher: World Heritage Encyclopedia


CommonJS is a project with the goal of specifying an ecosystem for JavaScript outside the browser (for example, on the server or for native desktop applications).


The project was started by Mozilla engineer, Kevin Dangoor, in January 2009 and initially named ServerJS.[1]

In August 2009, the project was renamed CommonJS to show the broader applicability of the APIs.[2] Specifications are created and approved in an open process. A specification is only considered final after it has been finished by multiple implementations.[3] CommonJS is not affiliated with the Ecma International group TC39 working on ECMAScript, but some members of TC39 participate in the project.[4]

In May 2013, Isaac Z. Schlueter, the author of npm, the package manager for Node.js, made a statement to the effect of CommonJS being obsoleted by Node.js, and dispreferred by the core Node.js developers.[5]


The list of specifications includes:[6]


  • Modules/1.0 (Superseded by Modules/1.1)
  • Modules/1.1
  • Modules/1.1.1
  • Packages/1.0
  • Promises/B
  • Promises/C
  • System/1.0


  • Binary/B
  • Binary/F
  • Console
  • Encodings/A
  • Filesystem/A
  • Filesystem/A/0
  • Modules/Async/A
  • Modules/Transport/B
  • Packages/1.1
  • Packages/Mappings
  • Unit Testing/1.0


See also


  1. ^ a b What Server Side JavaScript needs - Blue Sky On Mars
  2. ^ CommonJS: JavaScript Standard Library
  3. ^ ProposalProcess - CommonJS Spec Wiki
  4. ^ CommonJS: the First Year - Blue Sky On Mars
  5. ^ Schlueter, Isaac Z. (25 Mar 2013). "Forget CommonJS. It's dead. **We are server side JavaScript.**".  
  6. ^ "JavaScript Standard Library". CommonJS. Retrieved 2012-09-21. 
  7. ^ Server-side JavaScript development and hosting - Akshell
  8. ^ olegp/common-node @ GitHub
  9. ^ SilkJS WWW Site
  10. ^ Implementations/CouchDB - CommonJS Spec Wiki
  11. ^ Flusspferd - CommonJS platform | Javascript bindings for C
  12. ^ Implementations/GPSEE - CommonJS Spec Wiki
  13. ^ Implementations/Smart - CommonJS Spec Wiki
  14. ^ Implementations/Narwhal - CommonJS Spec Wiki
  15. ^ Implementations/node.js - CommonJS Spec Wiki
  16. ^ Implementations/Persevere - CommonJS Spec Wiki
  17. ^ Implementations/RingoJS - CommonJS Spec Wiki
  18. ^ Implementations/SproutCore - CommonJS Spec Wiki
  19. ^ Implementations/TeaJS - CommonJS Spec Wiki
  20. ^ MongoDB
  21. ^ Homepage - JSBuild
  22. ^ xuljet - XUL JavaScript Enhanced Toolkit - Google Project Hosting
  23. ^ pinf/loader-js - GitHub
  24. ^ Wakanda
  25. ^ - GitHub
  26. ^ DrBenton/CommonJSForPHP - GitHub

External links

  • Official website
  • CommonJS effort sets JavaScript on path for world domination (article on Ars Technica)
  • Why CommonJS standardization is dead for Node.js
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