dcodeIO/Preprocessor.js — pull request #7 by bgmort (2013-12-13 02:14:33+00:00)
Title: Adding support for including a file only once with 'require'

It would be quite handy to be able to include a file only once when it is referenced from multiple files. I've added this support using 'require'. It works like node's require, or PHP's require_once.