fix: return object literal if chart_widget value is not found

MKwenhua · MKwenhua · commit 3c982acb0860 · 2017-05-22T16:40:40.000-05:00
diff --git a/lib/cortex/snippets/webpage.rb b/lib/cortex/snippets/webpage.rb
@@ -72,7 +72,7 @@ def charts_widget_data
       end
 
       def charts_widget_data_for(section_name)
-        charts_widget_data&.[](section_name) || []
+        charts_widget_data&.[](section_name) || {}
       end
 
       def snippets
