On Tuesday, February 16, 2016 at 5:35:17 AM UTC-8, António Monteiro wrote:
> On Tuesday, February 16, 2016 at 8:40:03 AM UTC+1, Feifan Zhou wrote:
> > Hello,
> > I have a a data structure that looks like this:
> >
> > {:data "foo"
> > :children {
> > :data "bar"
> > :children {
> > :data "baz"}}}
> >
> > I'd like to render it into components like this:
> >
> > <Comp>
> > foo
> > <Comp>
> > bar
> > <Comp>
> > baz
> > </Comp>
> > </Comp>
> > </Comp>
> >
> > Conceptually it makes sense to recurse over the data structure to generate
> > the view, but AFAIK the Om.next component has to be turned into a factory
> > (via a separate `def`) before it can be used in Comp's `render`. Since
> > `def`s aren't hoisted, how would I go about referencing the factory in the
> > `render`?
>
> There are examples of recursive components in the Om repository. Here's the
> link: for the particular examples:
> https://github.com/omcljs/om/blob/master/src/devcards/om/devcards/core.cljs#L242-L408
>
> I have also written 2 blog posts that cover recursive queries and components
> with Om Next. I hope you find them useful:
> http://anmonteiro.com/2016/01/exploration-patterns-om-next-part-1/
> http://anmonteiro.com/2016/01/exploration-patterns-om-next-part-2/
Thanks António! The key was actually just the `declare` form — I didn't realize
it was possible to do forward declarations in Clojure.
What would be the advantage of destructuring the component into
Composite/Component/Leaf vs having just one component that maps over its
children recursively?
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