lib/lookbook/preview.rb in lookbook-0.7.2.beta.4 vs lib/lookbook/preview.rb in lookbook-0.7.2.beta.5

@@ -94,13 +94,19 @@
 
       def exists?(path)
         !!find(path)
       end
 
+      def clear_cache
+        @previews = nil
+      end
+
       def all
         load_previews if preview_files.size > ViewComponent::Preview.descendants.size
 
+        return @previews if @previews.present?
+
         previews = ViewComponent::Preview.descendants.map do |p|
           new(p)
         rescue
           Rails.logger.error "[lookbook] error instantiating preview\n#{exception.full_message}"
         end
@@ -110,10 +116,10 @@
             Rails.logger.error "[lookbook] preview error\n#{error.full_message}\n"
           end
         end
 
         sorted_previews = previews.compact.sort_by { |preview| [preview.position, preview.label] }
-        PreviewCollection.new(sorted_previews)
+        @previews ||= PreviewCollection.new(sorted_previews)
       end
 
       def errors
         @errors ||= []
       end