fixed performance and variable mangling error

app/src/Main.elm

@@ -10,6 +10,8 @@ import Native.Event as Event
 import Native.Frame as Frame
 import Native.Layout as Layout exposing (rootLayout)
 import Native.Page as Page
+import Process
+import Task
 
 
 type alias Flick =
@@ -302,7 +304,7 @@ detailsPage model =
         Just flick ->
             Page.pageWithActionBar [ Event.on "navigatedTo" (D.field "isBackNavigation" D.bool |> D.map Back) ]
                 (Native.actionBar [ NA.title flick.title ]
-                    [ Native.navigationButton [NA.text "Back"] []
+                    [ Native.navigationButton [ NA.text "Back" ] []
                     ]
                 )
                 (Layout.scrollView

elm-native-js/Native/Elements.res

@@ -319,10 +319,8 @@ module ListView = {
       current.data
       ->Js.Nullable.toOption
       ->Belt.Option.forEach(data => {
-        if !Belt.Array.eq(data.items, newItems, (x, y) => x == y) {
-          data->Types.setItems(newItems)
-          data->Types.refresh
-        }
+        data->Types.setItems(newItems)
+        data->Types.refresh
       })
     }
   )

elm-native-js/Native/Helper.res

@@ -87,7 +87,11 @@ let addView: (. Types.htmlElement, Types.htmlElement) => unit = %raw(`
             getExpression(parentElement.getAttribute("item-template-selector"))
 
           parentElement.data.itemTemplateSelector = ($value, $index, _) => {
-            return eval(expression)
+            // Mangling the variable can affect the variables used in the expression
+            const replacedExpression = expression
+              .replaceAll("$value", Object.keys({$value})[0])
+              .replaceAll("$index", Object.keys({$index})[0])
+            return eval(replacedExpression)
           }
           parentElement.data.itemTemplates = keyedTemplates
           return