winston logger use code

logger

/*
// config Setting
    "logging": [
      {
        "level": "verbose",
        "type": "Console",
        "colorize": true,
        "timestamp": true
      },
      {
        "level": "file",
        "type": "File",
        "timestamp": true,
        "filename": "/dev/null"
      }
    ],
*/
var winston = require('winston');

// set logging level
var loggerConfig = {
  levels: { verbose: 0, error: 1, warn: 2, info: 3, debug: 4, file: 5},
  colors: { verbose: 'blue', error: 'red', warn: 'yellow', info: 'green', debug: 'green', file: 'white' }
};

var loggr = new (winston.Logger)({ levels: loggerConfig.levels });
winston.addColors(loggerConfig.colors);

// add logging transports
if (config.logging) {
  try {
    winston.remove(winston.transports.Console);
    loggr.remove(winston.transports.Console);
  } catch (e) { }

  var detail, type;
  for (var i = 0; i < config.logging.length; i++) {
    detail = config.logging[i];
    type = detail.type;
    delete detail.type;
    winston.add(winston.transports[type], detail);
    loggr.add(winston.transports[type], detail);
  }
}

//winston.info("winston initialized");
loggr.info("logger initialized");

//module.exports = winston;
module.exports = loggr;