kriswallsmith/assetic — pull request #264 by kuja (2012-07-29 09:20:45+00:00)
Title: Added support for Google Closure language option

Added support for specifying the input language of the Closure filter because some JavaScript libraries, such as Ember.js, use words that are reserved in ES3 and need to be compiled as ES5.

Usage example:
````php
setLanguage(CompilerApiFilter::LANGUAGE_ECMASCRIPT5);
````

Both `CompilerApiFilter` and `CompilerJarFilter` support the language option.

Tests included.