class Primer::Classify::Utilities

def classname(key, val, breakpoint = "")
  # For cases when `argument: false` is passed in, treat like we would nil
  return nil unless val
  if (valid = validate(key, val, breakpoint))
    valid
  else
    # Get selector
    UTILITIES[key][val][BREAKPOINT_INDEX_CACHE[breakpoint]]
  end
end