Checks if rendered count has changed rather than relying on key char

app/assets/javascripts/droplab/droplab.js

@@ -615,7 +615,6 @@ require('./window')(function(w){
 
             if (elOffsetTop > filterDropdownBottom) {
               filterDropdownEl.scrollTop = elOffsetTop - filterDropdownBottom;
-              console.log(filterDropdownEl.scrollTop);
             }
           }
         }

app/assets/javascripts/droplab/droplab_filter.js

@@ -3,10 +3,11 @@
 /* global droplab */
 
 require('../window')(function(w){
-  var charRegex = new RegExp('^.$', 'g');
   w.droplabFilter = {
 
     keydownWrapper: function(e){
+        var hiddenCount = 0;
+        var dataHiddenCount = 0;
         var list = e.detail.hook.list;
         var data = list.data;
         var value = e.detail.hook.trigger.value.toLowerCase();
@@ -18,10 +19,6 @@ require('../window')(function(w){
           return;
         }
 
-        if (!charRegex.test(e.detail.key)) {
-          return;
-        }
-
         if (config && config.filterFunction && typeof config.filterFunction === 'function') {
           filterFunction = config.filterFunction;
         } else {
@@ -32,11 +29,22 @@ require('../window')(function(w){
           };
         }
 
+        dataHiddenCount = data.filter(function(o) {
+          return !o.droplab_hidden;
+        }).length;
+
         matches = data.map(function(o) {
           return filterFunction(o, value);
         });
+
+        hiddenCount = matches.filter(function(o) {
+          return !o.droplab_hidden;
+        }).length;
+
+        if (dataHiddenCount !== hiddenCount) {
           list.render(matches);
           list.currentIndex = 0;
+        }
     },
 
     init: function init(hookInput) {