elsewhere/lib/logger.js

A node project that aims to replicate the functionality of the Google Social Graph API

var logLevel = 2;

function setLogLevel (newLogLevel) {
	logLevel = newLogLevel;
}


// logLevel - 4	
// log - the finest logging level. Can be used to log very specific 
// information that is only relevant in a true debugging scenario
function log (msg) {
	if (logLevel > 3) {
		console.log('log: ' + msg);
	}
}


// logLevel - 3
// info - General application flow, such as "Starting app" and "registering ...". 
// in short, information which should help any observer understand what the 
// application is doing in general.
function info (msg) {
	if (logLevel > 2) {
		console.info('info: ' + msg);
	}
}


// logLevel - 2
// warn - warns of errors that can be recovered. Such as failing to 
// parse a date or using an unsafe routine.
function warn (msg) {
	if (logLevel > 1) {
		console.warn('warn: ' + msg);
	}
}


// logLevel - 1
// error - warns of errors that can be recovered. Such as failing to 
// parse a date or using an unsafe routine.
function error (msg) {
	if (logLevel > 0) {
		console.error('error: ' + msg);
	}
}


// Taken from the node.js logging levels
exports.log = log;
exports.info = info;
exports.warn = warn;
exports.error = error;
exports.setLogLevel = setLogLevel;