module Riffer::Helpers::ClassNameConverter

# File lib/riffer/helpers/class_name_converter.rb, line 14
def convert(class_name, separator: DEFAULT_SEPARATOR)
  class_name.
    to_s.
    gsub("::", separator).
    gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2').
    gsub(/([a-z\d])([A-Z])/, '\1_\2').
    downcase
end