he/him 
Prepack, a partial JavaScript evaluator and optimising compiler we've developed at FB, has just been open sourced! https://prepack.io/
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what's the plus vs using a minifier?
This is literally executing your JavaScript and is backed by an actual ECMA262 interpreter. It can handle very dynamic code.
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Holy shit can i get my hands at that interpreter?!
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The entire project is an interpreter. https://github.com/facebook/prepack/tree/master/src …
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You can see on the homepage some results that a minifier would not be able to produce without having an actual interpreter.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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noted, very interesting.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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