💄

src/panel-element.coffee

@@ -15,7 +15,7 @@ class PanelElement extends HTMLElement
     this
 
   getModel: ->
-    @model or= new Panel({})
+    @model ?= new Panel
 
   getItemView: ->
     atom.views.getView(@getModel().getItem())

src/panel.coffee

@@ -14,7 +14,7 @@ class Panel
   Section: Construction and Destruction
   ###
 
-  constructor: ({@item, @visible, @priority, @className}) ->
+  constructor: ({@item, @visible, @priority, @className}={}) ->
     @emitter = new Emitter
     @visible ?= true
     @priority ?= 100