lib/jekyll-diagrams/plantuml.rb in jekyll-diagrams-0.9.1 vs lib/jekyll-diagrams/plantuml.rb in jekyll-diagrams-0.9.2

@@ -1,22 +1,26 @@
+# frozen_string_literal: true
+
 module Jekyll
   module Diagrams
     class PlantUMLBlock < Block
+      XML_REGEX = /^<\?xml([^>]|\n)*>\n?/.freeze
+
       def render_svg(code, config)
         command = build_command(config)
 
         svg = render_with_stdin_stdout(command, code)
-        svg.sub!(/^<\?xml([^>]|\n)*>\n?/, '')
+        svg.sub!(XML_REGEX, '')
       end
 
-      def build_command(config)
-        options = 'java'
+      def build_command(_config)
+        options = +'java'
         options << ' -Djava.awt.headless=true'
         options << ' -jar '
         options << vendor_path('plantuml.1.2020.1.jar')
         options << ' -tsvg -pipe'
       end
     end
   end
 end
 
-Liquid::Template.register_tag(:plantuml, Jekyll::Diagrams::PlantUMLBlock)
\ No newline at end of file
+Liquid::Template.register_tag(:plantuml, Jekyll::Diagrams::PlantUMLBlock)