module Archfiend::String::Underscore

Public Instance Methods

underscore() click to toggle source

@return [String] String in the lowercase underscore format

# File lib/archfiend/core_ext/string/underscore.rb, line 5
def underscore
  return self unless /[A-Z-]|::/.match?(self)

  word = gsub('::'.freeze, '/'.freeze)
  word.gsub!(/([A-Z\d]+)([A-Z][a-z])/, '\1_\2'.freeze)
  word.gsub!(/([a-z\d])([A-Z])/, '\1_\2'.freeze)
  word.tr!('-'.freeze, '_'.freeze)
  word.downcase!
  word
end