tagged-console-target /

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A log target for Winston that expects tagged log messages and writes them with lots of colors to the console or a given output stream.

This module is designed to work together with TaggedLogger.


npm install tagged-console-target


For this example you need to npm install winston tagged-console-target.

var winston = require('winston');
var TaggedConsoleTarget = require('tagged-console-target');

var logger = new (winston.Logger)({
    transports: [
        new TaggedConsoleTarget()

logger.info("Log message 1", {tags: ['module a']});
logger.info("Log message 2", {tags: ['module a', 'submodule a1']});
logger.info("Log message 3", {tags: ['module b']});

Example output:

16:46:06.004 2013-04-17 Wednesday
16:46:06.007 [module a] Log message 1
16:46:06.008 [module a, submodule a1] Log message 2
16:46:06.008 [module b] Log message 3

Except the output is in glorious color!


TaggedConsoleTarget accepts an object with options for the constructor. The accepted options are:

  • target: The target output stream. Defaults to process.stdout
  • level: The minimum level of log messages to output to this logger, for example "info". Keep this unset to allow all messages that are accepted by the logger object
  • handleExceptions: Set to true to intercept unhandled exceptions and output them to this log target
  • exceptionsLevel: The log level at which to log exceptions. Defaults to error
  • humanReadableUnhandledException: Format exception log output in a more readable fashion