Logging Helper for Cocos2dx-JS

Logger.js

Logger = function() {
	this.MODE = {
		TRACE: 0,
		DEBUG: 1,
		INFO: 2,
		WARNING: 3,
		ERROR: 4
	};

	this.getLineNumber = function() {
		var tempErr = null;
		try {
			throw Error('')
		} catch (err) {
			tempErr = err;
		}
		var stack = tempErr.stack.split("\n")

		var maxStackTrace = 4;
		var traceInfo = new Array();
		for (var i = 2; i < (maxStackTrace + 2) && i < stack.length; i++) {
			var caller = stack[i].split("/");
			var lineNu = caller[caller.length - 1];
			var func = stack[i].split("@")[0];
			traceInfo = traceInfo.concat([func + ":" + lineNu]);
		}
		return traceInfo;
	};

	this.level = this.MODE.DEBUG;

	this.setLevel = function(val) {
		loggerObj.level = val;
	}

	this.DEBUG = "DEBUG::";
	this.debug = function() {
		if (loggerObj.MODE.DEBUG <= loggerObj.level) {
			var args = Array.prototype.slice.call(arguments, 0);
			var trace = loggerObj.getLineNumber();
			var newArr = [loggerObj.DEBUG];
			newArr = newArr.concat(args);
			newArr = newArr.concat(trace);
			cc.log.apply(null, newArr);
		}
	};
	this.TRACE = "TRACE::";
	this.trace = function() {
		if (loggerObj.MODE.TRACE <= loggerObj.level) {
			var args = Array.prototype.slice.call(arguments, 0);
			var trace = loggerObj.getLineNumber();
			var newArr = [loggerObj.TRACE];
			newArr = newArr.concat(args);
			newArr = newArr.concat(trace);
			cc.log.apply(null, newArr);
		}
	};

	this.INFO = "INFO::";
	this.info = function() {
		if (loggerObj.MODE.INFO <= loggerObj.level) {
			var args = Array.prototype.slice.call(arguments, 0);
			var trace = loggerObj.getLineNumber();
			var newArr = [loggerObj.INFO];
			newArr = newArr.concat(args);
			newArr = newArr.concat(trace);
			cc.log.apply(null, newArr);
		}
	};

	this.WARNING = "WARNING::";
	this.warning = function() {
		if (loggerObj.MODE.WARNING <= loggerObj.level) {
			var args = Array.prototype.slice.call(arguments, 0);
			var trace = loggerObj.getLineNumber();
			var newArr = [loggerObj.WARNING];
			newArr = newArr.concat(args);
			newArr = newArr.concat(trace);
			cc.log.apply(null, newArr);
		}
	};

	this.ERROR = "ERROR::";
	this.error = function() {
		if (loggerObj.MODE.ERROR <= loggerObj.level) {
			var args = Array.prototype.slice.call(arguments, 0);
			var trace = loggerObj.getLineNumber();
			var newArr = [loggerObj.ERROR];
			newArr = newArr.concat(args);
			newArr = newArr.concat(trace);
			cc.log.apply(null, newArr);
		}
	};
}