lib/kitabu/footnotes/pdf.rb in kitabu-2.1.0 vs lib/kitabu/footnotes/pdf.rb in kitabu-3.0.0

@@ -1,43 +1,49 @@
+# frozen_string_literal: true
+
 module Kitabu
   module Footnotes
     class PDF < Base
       def process
         remove_duplicated_attributes
         html.css(".chapter").each(&method(:process_chapter))
       end
 
       def remove_duplicated_attributes
         # https://github.com/sparklemotion/nokogiri/issues/339
-        html.css('html').first.tap do |element|
+        html.css("html").first.tap do |element|
           next unless element
-          element.delete('xmlns')
-          element.delete('xml:lang')
+
+          element.delete("xmlns")
+          element.delete("xml:lang")
         end
       end
 
       def process_chapter(chapter)
-        chapter.css('.footnotes li').each do |footnote|
+        chapter.css(".footnotes li").each do |footnote|
           process_footnote(chapter, footnote)
           increment_footnote_index!
         end
 
-        chapter.css('.footnotes').each(&:remove)
+        chapter.css(".footnotes").each(&:remove)
       end
 
       def process_footnote(chapter, footnote)
         # Remove rev links
-        footnote.css('[rev=footnote]').map(&:remove)
+        footnote.css("[rev=footnote]").map(&:remove)
 
         # Create an element for storing the footnote description
-        description = Nokogiri::XML::Node.new('span', Nokogiri::HTML::DocumentFragment.parse(''))
-        description.set_attribute 'class', 'footnote'
-        description.inner_html = footnote.css('p').map(&:inner_html).join("\n")
+        description = Nokogiri::XML::Node.new(
+          "span",
+          Nokogiri::HTML::DocumentFragment.parse("")
+        )
+        description.set_attribute "class", "footnote"
+        description.inner_html = footnote.css("p").map(&:inner_html).join("\n")
 
         # Find ref based on footnote's id
-        fn_id = footnote.get_attribute('id')
+        fn_id = footnote.get_attribute("id")
 
-        refs = chapter.css("a[href='##{fn_id}']").each do |ref|
+        chapter.css("a[href='##{fn_id}']").each do |ref|
           sup = ref.parent
           sup.after(description)
           sup.remove
         end
       end