Winston's wrapper for configurable logging.

log.js

var winston = require('winston');

module.exports = function (module) {
    return makeLogger(module.filename);
};

function makeLogger(path) {
    // File app.js -> log to console and file 'debug.log'.
    if (path.match(/app.js$/)) {
        var transports = [
            new winston.transports.Console({
                timestamp: true,
                colorize: true,
                level: 'info'
            }),

            new winston.transports.File({
                filename: 'debug.log',
                level: 'debug'
            })
        ];

        return new winston.Logger({transports: transports});
    } else {
        // Other files -> no logging.
        return new winston.Logger({transports: []});
    }
}