mirror of https://github.com/embarklabs/embark.git
105 lines
2.7 KiB
JavaScript
105 lines
2.7 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 = Object.keys(Logger.logLevels);
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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.logLevels = {
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error: 'error',
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warn: 'warn',
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info: 'info',
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debug: 'debug',
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trace: 'trace'
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};
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Logger.prototype.registerAPICall = function (plugins) {
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const self = this;
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let plugin = plugins.createPlugin('dashboard', {});
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plugin.registerAPICall(
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'ws',
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'/embark-api/logs',
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(ws, req) => {
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self.events.on("log", function(logLevel, logMsg) {
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ws.send(JSON.stringify({msg: logMsg, msg_clear: logMsg.stripColors, logLevel: logLevel}), () => {});
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});
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}
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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" + Array.from(arguments).join(' '));
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};
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Logger.prototype.error = function () {
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if (!arguments.length || !(this.shouldLog('error'))) {
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return;
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}
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this.events.emit("log", "error", ...arguments);
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this.logFunction(...Array.from(arguments).map(t => { return t ? t.red : t; }));
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this.writeToFile("[error]: ", ...arguments);
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};
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Logger.prototype.warn = function () {
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if (!arguments.length || !(this.shouldLog('warn'))) {
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return;
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}
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this.events.emit("log", "warn", ...arguments);
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this.logFunction(...Array.from(arguments).map(t => { return t ? t.yellow : t; }));
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this.writeToFile("[warning]: ", ...arguments);
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};
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Logger.prototype.info = function () {
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if (!arguments.length || !(this.shouldLog('info'))) {
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return;
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}
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this.events.emit("log", "info", ...arguments);
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this.logFunction(...Array.from(arguments).map(t => { return t ? t.green : t; }));
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this.writeToFile("[info]: ", ...arguments);
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};
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Logger.prototype.debug = function () {
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if (!arguments.length || !(this.shouldLog('debug'))) {
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return;
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}
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this.events.emit("log", "debug", ...arguments);
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this.logFunction(...arguments);
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this.writeToFile("[debug]: ", ...arguments);
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};
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Logger.prototype.trace = function () {
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if (!arguments.length || !(this.shouldLog('trace'))) {
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return;
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}
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this.events.emit("log", "trace", ...arguments);
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this.logFunction(...arguments);
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this.writeToFile("[trace]: ", ...arguments);
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};
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Logger.prototype.dir = 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", "dir", txt);
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this.logFunction(txt);
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this.writeToFile("[dir]: ");
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this.writeToFile(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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