86 lines
1.8 KiB
JavaScript
86 lines
1.8 KiB
JavaScript
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'use strict';
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const util = require('util');
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const moment = require('moment');
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const winston = require('winston');
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const Sentry = require('winston-sentry');
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/**
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* @class Logger
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*/
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class Logger {
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/**
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* @prop {Array} transports
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* @prop {Boolean} exitOnError
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*/
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constructor(options) {
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this._options = options;
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this.transports = [
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new (winston.transports.Console)({
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colorize: true,
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level: options.logLevel || 'info',
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debugStdout: true,
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// handleExceptions: true,
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// humanReadableUnhandledException: true,
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timestamp: () => new Date(),
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formatter: this._formatter.bind(this),
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}),
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];
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if (options.sentry && options.sentry.dsn) {
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this.transports.push(new Sentry({
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level: options.sentry.logLevel || 'error',
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dsn: options.sentry.dsn,
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}));
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}
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this.exitOnError = false;
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return new (winston.Logger)(this);
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}
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/**
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* Custom formatter for console
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* @param {Object} options Formatter options
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* @returns {String}
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* @private
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*/
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_formatter(options) {
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let ts = util.format('[%s]', moment(options.timestamp()).format('HH:mm:ss')),
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level = winston.config.colorize(options.level);
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if (this._options.hasOwnProperty('shardId')) {
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ts = `[Shard ${this._options.shardId}] ${ts}`;
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}
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switch (options.level) {
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case 'debug':
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ts += ' ⚙ ';
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break;
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case 'info':
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ts += ' 🆗 ';
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break;
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case 'error':
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ts += ' 🔥 ';
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break;
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case 'warn':
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ts += ' ☣ ';
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break;
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case 'silly':
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ts += ' 💩 ';
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break;
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}
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let message = ts + ' ' + level + ': ' + (undefined !== options.message ? options.message : '') +
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(options.meta && Object.keys(options.meta).length ? '\n\t' + util.inspect(options.meta) : '');
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if (options.colorize === 'all') {
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return winston.config.colorize(options.level, message);
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}
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return message;
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}
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}
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module.exports = Logger;
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