invoice number like incorporates a timeout.

src/cljs/auto_ap/effects.cljs

@@ -119,6 +119,19 @@
         node))
     m))
 
+(defonce timeouts
+  (atom {}))
+
+(re-frame/reg-fx
+ :dispatch-debounce
+ (fn [{:keys [event time key]}]
+   (js/clearTimeout (@timeouts key))
+   (swap! timeouts assoc key
+          (js/setTimeout (fn []
+                           (re-frame/dispatch event)
+                           (swap! timeouts dissoc key))
+                         time))))
+
 (re-frame/reg-fx
  :graphql
  (fn [{:keys [query on-success on-error token variables query-obj]}]