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It would be great if I could scan my current js and build the jquip based on that. Actually, there should be a tool that removes all unnecessary code that's never called. Might be hard or impossible to get that working reliably though.

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Using something like uglify's parse-js.js [1] that gives you back the AST might be the right way to go about it. Just count the calls to each $ method in your code.

[1] https://github.com/mishoo/UglifyJS/blob/master/lib/parse-js....

Google Closure does precisely that, although it may require some annotations to do so reliably.

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