smart-node-logger

Lightweight production-ready logger for Node.js.

✨ Features

• 🎨 Color-coded log levels for better readability
• ⚡ Zero dependencies - lightweight and fast
• 🔒 Production-ready - auto-disables debug logs in production
• 📦 Easy to use - simple API, no complex configuration
• 🎯 TypeScript support (if applicable)
• 🌍 Environment-aware - adapts to NODE_ENV automatically

📦 Installation

npm install @mhsakib29/smart-node-logger

Or using yarn:

yarn add @mhsakib29/smart-node-logger

📖 Usage Examples

Basic Logging

const logger = require("@mhsakib29/smart-node-logger");

// Information messages
logger.info("Server listening on port 3000");

// Success messages
logger.success("User registered successfully");

// Warning messages
logger.warn("Deprecated API endpoint used");

// Error messages
logger.error("Database connection failed");

// Debug messages (disabled in production)
logger.debug("Debugging info");

Express.js Integration

const express = require("express");
const logger = require("@mhsakib29/smart-node-logger");

const app = express();

app.use((req, res, next) => {
  logger.info(`${req.method} ${req.path}`);
  next();
});

app.listen(3000, () => {
  logger.success("Server started on port 3000");
});

Error Handling

const logger = require("@mhsakib29/smart-node-logger");

try {
  // Your code here
  riskyOperation();
  logger.success("Operation completed");
} catch (error) {
  logger.error("Operation failed:", error.message);
}

🎨 Log Levels

| Level | Method | Description | Production | | -------------- | ------------------ | ------------------------------------- | ----------- | | 📘 INFO | logger.info() | General information messages | ✅ Enabled | | ✅ SUCCESS | logger.success() | Success confirmation messages | ✅ Enabled | | ⚠️ WARN | logger.warn() | Warning messages for potential issues | ✅ Enabled | | ❌ ERROR | logger.error() | Error messages for failures | ✅ Enabled | | 🔍 DEBUG | logger.debug() | Detailed debugging information | ❌ Disabled |

⚙️ Configuration

Production Mode

Set the NODE_ENV environment variable to production to automatically disable debug logs:

NODE_ENV=production node app.js

Or in your package.json:

{
  "scripts": {
    "start": "NODE_ENV=production node app.js",
    "dev": "NODE_ENV=development node app.js"
  }
}

🌟 Why smart-node-logger?

• No Configuration Required - Works out of the box
• Lightweight - Zero external dependencies
• Production Optimized - Automatically adapts to environment
• Developer Friendly - Clean, readable console output
• Battle Tested - Used in production applications

📝 API Reference

logger.info(message, ...args)

Logs informational messages.

logger.success(message, ...args)

Logs success messages.

logger.warn(message, ...args)

Logs warning messages.

logger.error(message, ...args)

Logs error messages.

logger.debug(message, ...args)

Logs debug messages (disabled in production).

🤝 Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

👨‍💻 Author

Mahbubul Hasan Sakib

• GitHub: MahbubulHasanSakib
• npm: mhsakib29

⭐ Support

If you find this package useful, please consider giving it a star on GitHub!

Made with ❤️ by Mahbubul Hasan Sakib