Please correct me if I'm wrong but wouldn't `(ominate ...)` mount a new 
component everytime its parent is rendered? It's my understanding that Om (and 
React?) does not really support anonymous components. Here's the implementation 
for reference:

https://github.com/danielytics/ominate/blob/master/src/ominate/core.cljs#L38-L79

On Monday, November 17, 2014 2:47:36 PM UTC+2, Colin Yates wrote:
> An alternative (from https://github.com/danielytics/ominate) is for the outer 
> component to not actually be a component but be a factory (i.e. so it returns 
> a function which returns the om component) which takes in the nested 
> component as a symbol.
> 
> This has the slight downside that the factory must pass on the :opts (for 
> example) to the nested component. 
> 
> On Monday, 17 November 2014 11:49:31 UTC, Colin Yates  wrote:
> > Hi all,
> > 
> > I keep running into the really common use case (and seeing others running 
> > into as well) of composing components.
> > 
> > Quite simply, how is one supposed to compose components in om?
> > 
> > In my particular use case I have a Header component which displays a title 
> > and optionally a component describing a summary of what is being seen 
> > (which is more than simple text). I want to do something like:
> > 
> > (defn header [data owner]
> >   (reify 
> >     om/IRender
> >     (render [_] 
> >       (dom/div .....
> >         (when optional-component) optional-component)))))
> > 
> > It works if I put the component into either the header state or opts (e.g. 
> > (header data owner {:opts {:optional-component (om/build ...}}))
> > 
> > but neither feel idiomatic. If I had to chose the lesser of two evils I 
> > would chose :opts I guess.
> > 
> > I did consider multi-methods, but this didn't feel particularly nice either.
> > 
> > What am I missing as this doesn't seem to be an obscure use-case :)?

-- 
Note that posts from new members are moderated - please be patient with your 
first post.
--- 
You received this message because you are subscribed to the Google Groups 
"ClojureScript" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/clojurescript.

Reply via email to