store.rb in clearwater-roda-0.2.2

- old
+ new

@@ -12,11 +12,11 @@
 
 initial_state = AppState.new(
   counter: 0,
 )
 
-Store = GrandCentral::Store.new(initial_state) do |state, action|
+handler = proc do |state, action|
   case action
   when Increment
     state.update counter: state.counter + 1
   when Decrement
     state.update counter: state.counter - 1
@@ -27,9 +27,16 @@
   # It is important to return a state object that matches the structure of
   # the previous one. It becomes the new app state.
   else
     state
   end
+end
+
+# Allow swapping out handlers on the same store for hot-loaded code in dev.
+if defined? Store
+  Store.handler = handler
+else
+  Store = GrandCentral::Store.new(initial_state, &handler)
 end
 
 # When you want to use application state in a component, you can use this module
 # to add the attribute methods to that component using the following pattern:
 #