resolves #551 don't crash if theme file is empty (PR #552)

asciidoctor · Sep 12, 2016 · c12cb55 · c12cb55
1 parent bd7d5a8
commit c12cb55
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/asciidoctor-pdf/theme_loader.rb b/lib/asciidoctor-pdf/theme_loader.rb
@@ -79,6 +79,7 @@ def self.load_file filename, theme_data = nil
 
   def load hash, theme_data = nil
     theme_data ||= ::OpenStruct.new
+    return theme_data unless ::Hash === hash
     hash.inject(theme_data) {|data, (key, val)| process_entry key, val, data }
     # NOTE remap legacy running content keys (e.g., header_recto_content_left => header_recto_left_content)
     %w(header_recto header_verso footer_recto footer_verso).each do |periphery_face|