fix_resque_constantize.rb

fix_resque_constantize.rb

module Resque
  module Helpers
   
    # Given a camel cased word, returns the constant it represents
    #
    # constantize('JobName') # => JobName
    def constantize(camel_cased_word)
      camel_cased_word = camel_cased_word.to_s

      if camel_cased_word.include?('-')
        camel_cased_word = classify(camel_cased_word)
      end

      names = camel_cased_word.split('::')
      names.shift if names.empty? || names.first.empty?

      constant = Object
      names.each do |name|
        
        # This's the original resque version:
        #   constant = constant.const_get(name) || constant.const_missing(name)
        # And this is from the lastest ActiveSupport:
        constant = constant.const_defined?(name) ? constant.const_get(name) : constant.const_missing(name)
      end
      constant
    end
  end
end