log Request morgan clfdate compile flush write create Buffer Stream format Format getip headers pad2 record Start Time token auth debug deprecate Finished Headers CLF MONTH BUFFER DURATION fmt fmt fmt opts skip format Line buffer stream interval line color fn ms credentials header header hour mins secs year month token token js buf timer str format format options Time str stream interval fmt num fn fmt fmt fmt stream interval interval morgan morgan record Start Time log Request tokens getip header header field hour mins secs format arg flush str num exports compile format token start start start start Time start Time start Time remote Address color write