simple log4js wrapper

log.js

var log4js = require('log4js')()
log4js.addAppender(log4js.consoleAppender())

/**
 * Get a logger. If no name is specified, retrieve the caller's filename
 * example:
 *   var log = require('./log.js')()
 */
module.exports = function(name) {
    if (!name) {
        //
        var split = new Error().stack.split('\n')[2]
        var scriptName = /\(([^(:]+):/.exec(split)[1]
        name = scriptName.substring(process.cwd().length+1)
    }
    return log4js.getLogger(name)
}
/**
 * Access to the raw log4js object
 */
module.exports.log4js = log4js