Log messages, events and stdout/stdin (or other) streams
stream-logger
is a logger that prints certain levels to an out stream and
others to an error stream. It's Based on evented-logger
, and defaults to
printing to stdout/stderr.
Creates a new logger. out
and err
are two stream objects. log
,
info
and debug
levels are logged to the out
stream, while warn
and error
levels are logged to the err
stream. If the streams are omitted,
process.stdout
and process.stderr
will be used.
var streamLogger = require("stream-logger");
var logger = streamLogger();
logger.level = "debug";
logger.info("Hey there"); // Prints to stdout
logger.error("Oh noes"); // Prints to stderr
logger.level = "error";
logger.info("Hmm"); // Prints nothing
Also: info
, debug
, warning
, error
.
If the current log level is log
or higher, prints a message to the out
stream. See evented-logger <http://github.com/busterjs/evented-logger/>
_ for
more information on the logger API
Returns an object with a write
method that will indirectly log messages to
level
. Note that messages written to this stream will not automatically
append line-breaks.
var streamLogger = require("stream-logger");
var logger = streamLogger();
var stream = logger.streamForLevel("warning");
stream.write("Oh");
stream.write(" noes!\n");
// Prints "Oh noes\n!" to stderr