lib/nanoc/helpers/xml_sitemap.rb in nanoc-4.7.9 vs lib/nanoc/helpers/xml_sitemap.rb in nanoc-4.7.10

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 module Nanoc::Helpers
   # @see http://nanoc.ws/doc/reference/helpers/#xmlsitemap
   module XMLSitemap
     # @option params [Array] :items
     # @option params [Proc] :rep_select
@@ -11,10 +13,10 @@
       # Extract parameters
       items       = params.fetch(:items) { @items.reject { |i| i[:is_hidden] } }
       select_proc = params.fetch(:rep_select, nil)
 
       # Create builder
-      buffer = ''
+      buffer = String.new
       xml = Builder::XmlMarkup.new(target: buffer, indent: 2)
 
       # Check for required attributes
       if @config[:base_url].nil?
         raise 'The Nanoc::Helpers::XMLSitemap helper requires the site configuration to specify the base URL for the site.'