use class << self idiom to define class methods for Converter::TemplateConverter

1 files changed, 6 insertions, 6 deletions

diff --git a/lib/asciidoctor/converter/template.rb b/lib/asciidoctor/converter/template.rb
index bc64200b..4b4a5a76 100644
--- a/lib/asciidoctor/converter/template.rb
+++ b/lib/asciidoctor/converter/template.rb
@@ -41,13 +41,13 @@ class Converter::TemplateConverter < Converter::Base
     @caches = { scans: {}, templates: {} }
   end
 
-  def self.caches
-    @caches
-  end
+  class << self
+    attr_reader :caches
 
-  def self.clear_caches
-    @caches[:scans].clear if @caches[:scans]
-    @caches[:templates].clear if @caches[:templates]
+    def clear_caches
+      @caches[:scans].clear
+      @caches[:templates].clear
+    end
   end
 
   def initialize backend, template_dirs, opts = {}