use module.exports to export your module for npm

[bitplanets]

[zfedoran]

I'm a little confused about this. What would you be trying to accomplish with this code running in a non-browser environment?

Without access to the DOM/Canvas context, this code is not very useful. Perhaps I'm missing something :)

[Zielak]

I can only think of web-server that provides data to other clients, that are not JS-based. Mobile apps, Flash, etc, without porting the code to different language. Is that super useful?

[bitplanets]

Is not to use on the server side, but is to keep the window namespace clean. If I provide a module.export or define, you should export your module to that. Is kind of standard nowadays.

[blipn]

hey i've ported this code to a nodejs environment, it create a .png file : https://github.com/blipn/pixel-sprite-generator-nodejs