Writing JS for a framework is not the same as writing JS from scratch. Satisfying the Closure compiler is not what TGP sets out to do, nor should it. TGP will

Writing JS for a framework is not the same as writing JS from scratch. Satisfying the Closure compiler is not what TGP sets out to do, nor should it. TGP will give you a sound understanding of the possible techniques you can employ to form a JS application. A book on Closure will give you a sound understanding of how to use that specific framework.