Node.js / npm - anyway to tell if a package is pure JS or not?

Question

I\'ve noticed that in trying to get seemingly simple node packages to install with npm (e.g. nerve, a \"micro-framework\") I often run into some form of dependency pain. Aft

Answer 1

Node is not "everything javascript" , since one way to extend node core is to write c/c++ plugins.

So Node is more a javascript wrapper around c/c++ modules using V8.

How could you write efficient database drivers in pure javascript for instance ? it would be possible but slow.

as for the filters , it is up to the author to document his package. there is no automatic filter.