Clean up circular dependency avoidance

src/reagent/impl/component.cljs

@@ -77,9 +77,8 @@
       sa
       ($! this :cljsState (ratom/atom nil)))))
 
-;; ugly circular dependency
-(defn as-element [x]
-  (js/reagent.impl.template.as-element x))
+;; avoid circular dependency: this gets set from template.cljs
+(defonce as-element nil)
 
 
 ;;; Rendering

src/reagent/impl/template.cljs

@@ -99,7 +99,7 @@
 ;;; Specialization for input components
 
 ;; This gets set from dom.cljs
-(def find-dom-node nil)
+(defonce find-dom-node nil)
 
 (defn input-unmount [this]
   ($! this :cljsInputValue nil))
@@ -322,6 +322,8 @@
         (satisfies? IPrintWithWriter x) (pr-str x)
         :else x))
 
+(set! comp/as-element as-element)
+
 (defn expand-seq [s]
   (let [a (into-array s)]
     (dotimes [i (alength a)]