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