You should have a "main" namespace where your app is started and this namespace
should "require" all component namespaces you are going to use.
(ns project.main
(:require [project.components.contacts]))
(start-the-app)
This way you ensure that all your namespaces are loaded in the proper order and
unused namespaces are eliminated correctly. You should never assume that a
namespace was loaded unless you required it somewhere you were going to use it.
Also as a side note: registering components in this global fashion will
basically destroy any chance of any of the code ever benefiting from Closures
dead code elimination.
A better pattern would be to
(ns project.components.contacts)
(def component (create-component ...))
(ns project.something
(:require [project.components.contacts :as contacts]))
(om/build contacts/component {})
This way you don't need a registry at all and you always ensure a proper
dependency graph and "some" of the unused code may be eliminated.
HTH,
/thomas
On Friday, March 13, 2015 at 3:54:08 AM UTC+1, Tyler Solomon wrote:
> Some code in my application is dependent upon some runtime specified code.
> The
> problem is quite general, so please forgive my description by way of example.
>
> I'd like this root component to look up dependent components in map.
>
> (q/defcomponent Root
> "The root of the application"
> [state]
> (let [current-view (:current-view state)
> Main (current-view registry/components)]
> (d/div {}
> (Main (current-view state)))))
>
> ----
>
> (ns project.component_registry)
>
> (def components {})
>
> (defn register-component
> [component resource-name]
> (assoc components resource-name component))
>
>
> Included modules would register themselves:
>
>
> (ns project.components.contacts
> (:require [project.component_registry :refer [register-component]]))
>
> (declare Contacts) ;; some quiescent component defined here
>
> (register-component Contacts :contacts)
>
>
> I can see how I would specify dependencies with the newly supported
> Google Closure `:module` option, however I'm using Figwheel during
> development,
> which requires `:optimizations :none`.
>
> Can someone recommend how I might achieve this, or suggest a better approach?
> Also, is this question more suited to StackOverflow?
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