yolo_web/dist/log.js

50 lines
1.8 KiB
JavaScript

'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
exports.createLog = void 0;
/** @module log */
/** Wrapper for winston that tags streams and optionally writes files with a simple interface. */
/** Module now also supports optional papertrail integration, other services to follow */
const winston_1 = require("winston");
const { SPLAT } = require('triple-beam');
const { isObject } = require('lodash');
const APP_NAME = process.env.APP_NAME || 'default';
let winstonPapertrail;
function formatObject(param) {
if (isObject(param)) {
return JSON.stringify(param);
}
return param;
}
const all = (0, winston_1.format)((info) => {
const splat = info[SPLAT] || [];
const message = formatObject(info.message);
const rest = splat.map(formatObject).join(' ');
info.message = `${message} ${rest}`;
return info;
});
const myFormat = winston_1.format.printf(({ level, message, label, timestamp }) => {
return `${timestamp} [${label}] ${level}: ${message}`;
});
/**
* Returns a winston logger configured to service
*
* @param {string} label Label appearing on logger
* @param {string} filename Optional file to write log to
*
* @returns {object} Winston logger
*/
function createLog(label, filename = null) {
const tports = [new (winston_1.transports.Console)()];
const fmat = winston_1.format.combine(all(), winston_1.format.label({ label }), winston_1.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss.SSS' }), winston_1.format.colorize(), myFormat);
let papertrailOpts;
if (filename !== null) {
tports.push(new (winston_1.transports.File)({ filename }));
}
return (0, winston_1.createLogger)({
format: fmat,
transports: tports
});
}
exports.createLog = createLog;
module.exports = { createLog };
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