lighty-log

A simple TypeScript logging framework for Node.js with support for console, file, and HTTP logging.

Features

• Log levels: DEBUG, INFO, WARN, ERROR, FATAL
• Colored console output
• Daily log file creation
• Optional HTTP endpoint for remote logging
• Environment-based logging (dev or prod)

Installation

Install from npm:

npm install lighty-log

Or, if using locally from source:

npm install
npm run build

Usage

Import and create a logger instance:

import { Logger } from "lighty-log";

// Create a logger instance
const logger = new Logger("prod", "https://your-endpoint.com/logs");

// Log messages
logger.info("Order", "Order created", { id: 1, status: "pending" });
logger.error("Order", "Failed to update order", { id: 1, reason: "DB error" });
logger.warn("Order", "Order delayed", { id: 1, reason: "Out of stock" });
logger.debug("Order", "Debugging order flow", { id: 1 });
logger.fatal("Order", "System crash", { id: 1, reason: "Unknown" });

Log Files

• Log files are created daily in the logs folder.
• Each log entry is saved as a JSON string.

HTTP Logging

• Pass an HTTP endpoint as the second argument to the Logger constructor.
• Each log entry will be sent as a POST request to the endpoint.

Testing

Run unit tests with:

npm test