49 lines
1.0 KiB
JavaScript
49 lines
1.0 KiB
JavaScript
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var util = require('util');
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var fmt = require('dateformat');
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var colors = {
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info: '36',
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error: '31;1',
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warn: '33',
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debug: '90'
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};
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/**
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* Logs a message to the console. The level is displayed in ANSI colors,
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* either bright red in case of an error or green otherwise.
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*/
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module.exports = function (cfg) {
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function log(msg, level) {
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if (cfg.timestamp) msg = color(fmt(cfg.timestamp), '30;1') + ' ' + msg;
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var c = colors[level.toLowerCase()] || '32';
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console.log('[' + color(level.toUpperCase(), c) + '] ' + msg);
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}
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function color(s, c) {
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if (process.stdout.isTTY) {
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return '\x1B[' + c + 'm' + s + '\x1B[0m';
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}
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return s;
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}
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log.debug = function () {
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if (!cfg.debug) return
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log(util.format.apply(util, arguments), 'debug');
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};
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log.info = function () {
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log(util.format.apply(util, arguments), 'info');
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};
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log.warn = function () {
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log(util.format.apply(util, arguments), 'warn');
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};
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log.error = function () {
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log(util.format.apply(util, arguments), 'error');
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};
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return log;
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};
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