function get_wildcard_domain()

in pluginats/connect_redis.lua [90:96]

• 7 lines of code
• 2 McCabe index (conditional complexity)

function get_wildcard_domain(req_host)
  local pos = string.find( req_host, '%.' )
  if pos == nil then
    return nil
  end
  return "*" .. string.sub (req_host, pos)
end