You should see a warning when you compile the cljs source to js. Was this not
the case?
On Thursday, October 30, 2014 7:14:50 PM UTC+2, Colin Yates wrote:
> Yeah, I really wasn't kidding about that newbie warning :). Data isn't
> defined anywhere. Doh.
>
> Everything is a lesson and this lesson is that you can reference undefined
> vars (or more accurately self-defining vars I guess). Long live JavaScript :).
>
> On Thursday, 30 October 2014 17:04:29 UTC, Jonas Enlund wrote:
> > On Thursday, October 30, 2014 6:57:43 PM UTC+2, Colin Yates wrote:
> > > (newbie warning!)
> > > I have a component which takes the app-state and renders it beautifully
> > > (for example a table of contacts) - great.
> > >
> > > [code]
> > > (defn mount-om []
> > > (om/root
> > > original-component
> > > app-state
> > > {:target (. js/document (getElementById "my-app"))}))
> > > [/code]
> > >
> > > Now I create a "wrapper" component of the form:
> > >
> > > [code]
> > > (defn wrapper [app owner]
> > > (reify
> > > om/IRender
> > > (render [_]
> > > (om/build original-component data))))
> > >
> > > (defn mount-om []
> > > (om/root
> > > wrapper
> > > app-state
> > > {:target (. js/document (getElementById "my-app"))}))
> > > [/code]
> > >
> > > And I can see the table my original component produces but it is empty.
> > > original-component is treating its data as a map so it is simply
> > > (om/build-all (dom/li ...) (:contacts data)).
> > >
> > > I can create a trivially simple project on github if that isn't clear?
> > >
> > > I don't understand how simply wrapping it in a component can change the
> > > nature of the cursor that original-component sees? I have almost
> > > certainly missed something here :).
> >
> > Should (om/build original-component data) be (om/build original-component
> > app)? I can't see where `data` is defined.
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