72 lines
1.7 KiB
JavaScript
72 lines
1.7 KiB
JavaScript
require('colors');
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let fs = require('./fs.js');
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class Logger {
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constructor(options) {
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this.events = options.events || {emit: function(){}};
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this.logLevels = ['error', 'warn', 'info', 'debug', 'trace'];
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this.logLevel = options.logLevel || 'info';
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this.logFunction = options.logFunction || console.log;
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this.logfile = options.logfile;
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}
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}
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Logger.prototype.writeToFile = function (txt) {
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if (!this.logfile) {
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return;
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}
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fs.appendFileSync(this.logfile, "\n" + txt);
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};
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Logger.prototype.error = function (txt) {
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if (!txt || !(this.shouldLog('error'))) {
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return;
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}
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this.events.emit("log", "error", txt);
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this.logFunction(txt.red);
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this.writeToFile("[error]: " + txt);
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};
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Logger.prototype.warn = function (txt) {
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if (!txt || !(this.shouldLog('warn'))) {
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return;
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}
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this.events.emit("log", "warning", txt);
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this.logFunction(txt.yellow);
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this.writeToFile("[warning]: " + txt);
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};
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Logger.prototype.info = function (txt) {
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if (!txt || !(this.shouldLog('info'))) {
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return;
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}
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this.events.emit("log", "info", txt);
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this.logFunction(txt.green);
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this.writeToFile("[info]: " + txt);
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};
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Logger.prototype.debug = function (txt) {
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if (!txt || !(this.shouldLog('debug'))) {
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return;
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}
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this.events.emit("log", "debug", txt);
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this.logFunction(txt);
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this.writeToFile("[debug]: " + txt);
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};
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Logger.prototype.trace = function (txt) {
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if (!txt || !(this.shouldLog('trace'))) {
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return;
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}
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this.events.emit("log", "trace", txt);
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this.logFunction(txt);
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this.writeToFile("[trace]: " + txt);
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};
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Logger.prototype.shouldLog = function (level) {
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return (this.logLevels.indexOf(level) <= this.logLevels.indexOf(this.logLevel));
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};
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module.exports = Logger;
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