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/*!
* socket.io-node
* Copyright(c) 2011 LearnBoost <dev@learnboost.com>
* MIT Licensed
*/
/**
* Module dependencies.
*/
var util = require('./util')
, toArray = util.toArray;
/**
* Log levels.
*/
var levels = [
'error'
, 'warn'
, 'info'
, 'debug'
];
/**
* Colors for log levels.
*/
var colors = [
31
, 33
, 36
, 90
];
/**
* Pads the nice output to the longest log level.
*/
function pad (str) {
var max = 0;
for (var i = 0, l = levels.length; i < l; i++)
max = Math.max(max, levels[i].length);
if (str.length < max)
return str + new Array(max - str.length + 1).join(' ');
return str;
};
/**
* Logger (console).
*
* @api public
*/
var Logger = module.exports = function (opts) {
opts = opts || {}
this.colors = false !== opts.colors;
this.level = 3;
this.enabled = true;
};
/**
* Log method.
*
* @api public
*/
Logger.prototype.log = function (type) {
var index = levels.indexOf(type);
if (index > this.level || !this.enabled)
return this;
console.log.apply(
console
, [this.colors
? ' \033[' + colors[index] + 'm' + pad(type) + ' -\033[39m'
: type + ':'
].concat(toArray(arguments).slice(1))
);
return this;
};
/**
* Generate methods.
*/
levels.forEach(function (name) {
Logger.prototype[name] = function () {
this.log.apply(this, [name].concat(toArray(arguments)));
};
});
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