Make sure on-set is valid before allowing change of Reaction

2015-09-14 21:11:33 +02:00 · 2015-09-14 21:11:33 +02:00 · ce1486a7cd
parent 87758ae396
commit ce1486a7cd
1 changed files with 2 additions and 2 deletions
--- a/src/reagent/ratom.cljs
+++ b/src/reagent/ratom.cljs
@ -285,10 +285,10 @@

  IReset
  (-reset! [a newval]
+    (assert (ifn? on-set) "Reaction is read only.")
    (let [oldval state]
      (set! state newval)
-      (when (some? on-set)
-        (on-set oldval newval))
+      (on-set oldval newval)
      (-notify-watches a oldval newval)
      newval))