I'm setting the senchaDir option to a directory that contains a slimmed down version of the ExtJS 4.1.1a SDK. At the root, it contains just ext-dev.js (and this works fine with Sencha CMD). However, it looks like that's not in your list of acceptable file patterns that you're checking in PhantomJsHeadlessAnalyzer.prototype.setSenchaDir. Seems like this one should be in there ...
I'm setting the senchaDir option to a directory that contains a slimmed down version of the ExtJS 4.1.1a SDK. At the root, it contains just ext-dev.js (and this works fine with Sencha CMD). However, it looks like that's not in your list of acceptable file patterns that you're checking in PhantomJsHeadlessAnalyzer.prototype.setSenchaDir. Seems like this one should be in there ...