Micronodelib NPM

Micronodelib

Common core for NodeJs project.

Features

Request context injected
Http request log
Standard logging format

Install

npm install micronodelib

# Or

yarn add micronodelib

Usage

import express, {Application} from "express";
import {Logger, httpContextMiddleware, requestLogMiddleware} from "micronodelib";
const app: Application = express();

// Optional, if you want to override default console log
console.log = Logger.info
console.error = Logger.error

// Enable request context
app.use(httpContextMiddleware());

// Enable http request log
app.use(requestLogMiddleware({
  // Ignore request log for specific routes
  ignoreRoutes: ["/actuator/health"]
}));

app.listen(3000, () => {
  // Using standard log level: debug, info, warn, error
  Logger.info('App started');
})

Sample output format

Standard log format

 {"level":"INFO","msg":"Test log message","request_meta":{"request_id":"a06dd50a-7127-4f87-bfe0-b7104fb453c9"},"ts":1652842663}

Http request log format

{"level":"INFO","msg":"finish router","request_meta":{"client_ip":null,"execution_time":4,"query":"","request_id":"a06dd50a-7127-4f87-bfe0-b7104fb453c9","request_method":"GET","request_path":"/example-path","request_pattern":"/example-path","status":200,"url":"/example-path","user_agent":"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.64 Safari/537.36"},"ts":1652842718}