Method: PulseMeter::Mixins::Utils#underscore

Defined in:
lib/pulse_meter/mixins/utils.rb

#underscore(str) ⇒ String

Converts string from CamelCase to snake_case

Parameters:

  • str (String) —

    string to be underscore

Returns:

  • (String)

Raises:

  • (ArgumentError) —

    unless passed value responds to to_s



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# File 'lib/pulse_meter/mixins/utils.rb', line 95

def underscore(str)
  raise ArgumentError unless str.respond_to?(:to_s)
  str.to_s.gsub(/::/, '/').
    gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
    gsub(/([a-z\d])([A-Z])/,'\1_\2').
    tr("-", "_").
    downcase
end