A simple node module that makes console.log/error/warn/debug statements log through winston (simply include at the beginning of your app)
'use strict';
var util = require('util'),
winston = require('winston'),
logger = new winston.Logger(),
production = (process.env.NODE_ENV || '').toLowerCase() === 'production';
module.exports = {
middleware: function(req, res, next){
console.info(req.method, req.url, res.statusCode);
next();
},
production: production
};
// Override the built-in console methods with winston hooks
switch((process.env.NODE_ENV || '').toLowerCase()){
case 'production':
production = true;
logger.add(winston.transports.File, {
filename: __dirname + '/application.log',
handleExceptions: true,
exitOnError: false,
level: 'warn'
});
break;
case 'test':
case 'development':
// Don't set up the logger overrides
return;
default:
logger.add(winston.transports.Console, {
colorize: true,
timestamp: true,
level: 'info'
});
break;
}
function formatArgs(args){
return [util.format.apply(util.format, Array.prototype.slice.call(args))];
}
console.log = function(){
logger.log.apply(logger, formatArgs(arguments));
};
console.info = function(){
logger.info.apply(logger, formatArgs(arguments));
};
console.warn = function(){
logger.warn.apply(logger, formatArgs(arguments));
};
console.error = function(){
logger.error.apply(logger, formatArgs(arguments));
};
console.debug = function(){
logger.debug.apply(logger, formatArgs(arguments));
};