On Thursday, August 21, 2014 7:15:10 PM UTC-7, [email protected] wrote:
> On Thursday, August 21, 2014 9:16:01 AM UTC-4, [email protected] wrote:
> > Hi all, I'm sure I could figure this out, but I'm feeling lazy: Is it 
> > possible to update a clojurescript atom from javascript? If so, what's the 
> > syntax?
> > 
> > Thanks, 
> > Dave
> 
> Probably not very useful for much, but here's some basic syntax to update an 
> atom from javascript just in case anyone is interested/for posterity: 
> 
> //create the atom in cljs.user> (def (atom {:foo "bar"}))
> //then it's possible change the value from javascript like this: 
> var new_val = 
> cljs.core.PersistentArrayMap.fromArray([cljs.core.keyword("foo"),"baz"]);
> cljs.core.swap_BANG_(cljs.user.app, function (){return new_val});
> //cljs.user> @app
> //  => {:foo "baz"}

For nicer syntax, you could write a wrapper function in cljs and call that 
wrapper from js.

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