lib/jini.rb in jini-0.1.3 vs lib/jini.rb in jini-0.1.4

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 # (The MIT License)
 #
-# Copyright (c) 2022-2022 Ivanchuk Ivan
+# Copyright (c) 2022 Ivanchuk Ivan
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the 'Software'), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
@@ -26,11 +26,11 @@
 # Author:: Ivan Ivanchuk ([e-mail])
 # Copyright:: Copyright (c) 2022 Ivan Ivanchuck
 # License:: MIT
 #
 # It's a simple XPATH builder.
-#
+# <p></p>
 # require 'jini'
 # xpath = Jini.new('parent')
 #   .add_node('child')
 #   .add_attr('toy', 'plane')
 #   .to_s // parent/child[@toy="plane"]
@@ -219,10 +219,10 @@
 
   # regex: '[' or ']' or '@' or '//'
   # @param node [String]
   # @return [Boolean] matching regex
   def bad_symbols?(node)
-    node.match %r{[|]|@|//}
+    !!node.match(%r{[|]|@|//}) unless node.nil?
   end
 
   # regex: '[' or ']' or '@' or '=' or '<' or '>'
   # @param node [String] node for check
   # @return [Boolean] matching regex