Logger

A lightweight, colorized logging library for Node.js applications. It provides a simple API to print structured, color-coded log messages to the console with timestamps and custom labels.

Installation

npm install logger

Usage

import { Logger } from "logger";

const log = new Logger("MyApp");

log.info("Server started on port 3000");
log.warn("Disk usage is above 80%");
log.error("Failed to connect to database");

Output

[INFO][MyApp - 3/8/2026 - 10:30:00 AM] - Server started on port 3000
[WARNING][MyApp - 3/8/2026 - 10:30:00 AM] - Disk usage is above 80%
[ERROR][MyApp - 3/8/2026 - 10:30:00 AM] - Failed to connect to database

Log levels are color-coded using chalk:

• INFO — green
• WARNING — yellow
• ERROR — red

API

new Logger(name?, timeType?)

| Parameter | Type | Default | Description | |-----------|------|---------|-------------| | name | string | "APP" | Label displayed in each log message | | timeType | "date" \| "datetime" | "datetime" | "date" shows only the date, "datetime" shows date and time |

Methods

• info(message: string) — Logs an informational message
• warn(message: string) — Logs a warning message
• error(message: string) — Logs an error message

License

MIT