underscore

in scripts/extract_headers.rb [10:19]

• 9 lines of code
• 1 McCabe index (conditional complexity)

def underscore(str)
  str
    .gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
    .gsub(/([a-z\d])([A-Z])/, '\1_\2')
    .tr('-', '_')
    .gsub(/\s/, '_')
    .gsub(/__+/, '_')
    .downcase
end