Needed to call (vec) on (conj children new-child):
(vec (conj children new-child))
On Wednesday, July 2, 2014 11:22:05 AM UTC-4, Jamie Orchard-Hays wrote:
> I've got a tree of data for app-state. I can conj a new item to a parent's
> children, but when the new item renders, it's type is
>
>
>
> cljs.core.PersistentArrayMap {meta: null, cnt: 3, arr: Array[6], __hash:
> null, cljs$lang$protocol_mask$partition0$: 16647951…}
>
>
>
> rather than
>
>
>
> om.core.MapCursor {value: cljs.core.PersistentHashMap, state: cljs.core.Atom,
> path: cljs.core.PersistentVector, cljs$lang$protocol_mask$partition0$:
> 2158397195,
>
>
>
> I don't see what I'm doing wrong here. Looking at the TodoMVC code, it's
> quite similar.
>
>
>
> parent is a cursor into the data.
>
>
>
> (defn build-new-child [parent-id]
>
> {:_id (sample-data/make-uuid) :parent-id parent-id})
>
>
>
> (defn add-new-child-item [parent]
>
> (let [new-child (build-new-child (:_id @parent))]
>
> (om/transact! parent :children (fn [children] (conj children
> new-child)))))
>
>
>
>
>
> Cheers,
>
>
>
> Jamie
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