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

@@ -1,27 +1,30 @@
+# frozen_string_literal: true
+
 module Jekyll
   module Diagrams
     class ErdBlock < Block
-      CONFIGURATIONS = %w( config edge ).freeze
+      XML_REGEX = /^<\?xml(([^>]|\n)*>\n?){2}/.freeze
+      CONFIGURATIONS = %w[config edge].freeze
 
       def render_svg(code, config)
         command = build_command(config)
 
         svg = render_with_stdin_stdout(command, code)
-        svg.sub!(/^<\?xml(([^>]|\n)*>\n?){2}/, '')
+        svg.sub!(XML_REGEX, '')
       end
 
       def build_command(config)
-        command = 'erd --fmt=svg'
-        command << ' --dot-entity' if config.has_key?('dot-entity')
+        command = +'erd --fmt=svg'
+        command << ' --dot-entity' if config.fetch('dot-entity', false) != false
 
         CONFIGURATIONS.each do |conf|
-          command << " --#{conf}=#{config[conf]}" if config.has_key?(conf)
+          command << " --#{conf}=#{config[conf]}" if config.key?(conf)
         end
 
         command
       end
     end
   end
 end
 
-Liquid::Template.register_tag(:erd, Jekyll::Diagrams::ErdBlock)
\ No newline at end of file
+Liquid::Template.register_tag(:erd, Jekyll::Diagrams::ErdBlock)