Adds folder icons

app/assets/javascripts/environments/components/environment_item.js.es6

@@ -17,9 +17,12 @@
     },
     
     computed: {
-      isFolder: function() {
-        debugger;
+      isFolder: function () {
         return this.model.children && this.model.children.length
+      },
+      
+      isOpen: function () {
+        return this.open;
       }
     },
 

app/views/projects/environments/components/_environment.html.haml

 %environment-item{"inline-template" => true, 
   "v-for" => "environment in state.environments", 
   ":model" => "environment"}
-  %i{"v-if" => "isFolder"}
-    = icon("plus")
-  %i{"v-if" => ""}
-    = icon("less")
-  {{model.name}}
+  .name{"click" => "toggle"}
+    %i{"v-if" => "isFolder && isOpen"}
+      = icon("caret-down")
+      %i{"v-if" => "isFolder && !isOpen"}
+      = icon("caret-right")
+    {{model.name}}