My specific problem involves fastclick.js, but I hope the question is of
general interest to anyone using :foreign-libs.
I tried using fastclick.js in my project through :foreign-libs, with these
compilation settings:
:foreign-libs [{:file "resources/vendor/fastclick/fastclick.min.js"
:provides ["FastClick"]}]
And required it:
(ns my-project.core
(:require ; ... rest of require statements
[FastClick]))
And finally invoked it at the root of my Om app:
(defn main []
(.attach js/FastClick (.-body js/document))
(om/root main-view
app-state
{:target (. js/document (getElementById "app"))}))
Luke Vanderhart's comprehensive article[1] says "defining a namespace for a
file using :foreign-libs doesn't actually scope any variables the library
creates - if the library is built to insert a Foobar object at the global
JavaScript context, for example, you'd still need to refer to it at the global
context with js/Foobar, not namespace/Foobar"
This is how FastClick works. With {:optimizations :none}, everything is fine;
but with {:optimizations :advanced}, although FastClick is added to the global
scope with un-munged method names, my code uses a munged method name. It
attempts to call FastClick.Td.
FastClick is compatible with advanced compilation[2], so I don't think that's
the issue. Is there something else I can do to preserve the correct references?
For now, I'm just adding fastclick in a script tag in my HTML and supplying
externs, which is honestly fine, but it would be cool to get the full benefit
of advanced compilation.
[1] http://lukevanderhart.com/2011/09/30/using-javascript-and-clojurescript.html
[2] https://github.com/ftlabs/fastclick/issues/1
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