Module: Underscorable

Defined in:
lib/underscorable.rb

Instance Method Summary collapse

Instance Method Details

#underscore ⇒ Object

Port from activesupport-4.2.7.1/lib/active_support/inflector/methods.rb



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# File 'lib/underscorable.rb', line 3

def underscore
  return self unless self =~ /[A-Z-]|::/
  word = self.to_s.gsub(/::/, '/')
  word.gsub!(/(?:(?<=([A-Za-z\d]))|\b)((?=a)b)(?=\b|[^a-z])/) { "#{$1 && '_'}#{$2.downcase}" }
  word.gsub!(/([A-Z\d]+)([A-Z][a-z])/,'\1_\2')
  word.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
  word.tr!("-", "_")
  word.downcase!
  word
end