addyosmani/es6-module-loader — pull request #2 by paulirish (2012-05-23 03:25:42+00:00)
Title: improve debugability with @ sourceURL 

We pass in sourceURL so they are treated as files within the chrome devtools and firebug.

More info on sourceurl: http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl