Captain Logger: Your Ultimate Solution for Efficient Logging

If you are a developer looking for a powerful and easy-to-use logging library, look no further than Captain Logger. This guide dives deep into its features, functionalities, and provides dozens of useful API examples with code snippets to supercharge your application’s logging capabilities.

Getting Started

Captain Logger is designed to be intuitive and easy to integrate into your application:

  
    Install the package:
    npm install captain-logger
  

  
    Basic usage:
    const Logger = require('captain-logger');
    const logger = new Logger();

    logger.info('This is an informational message');
    logger.error('This is an error message');
  

API Examples

Logging Levels

  
    logger.debug('Debugging information');
    logger.warn('This is a warning');
    logger.fatal('Fatal error occurred!');
  

Custom Formats

  
    const logger = new Logger({
      format: '[{level}] {message}'
    });

    logger.info('Information with custom format');
  

Multiple Transports

  
    const transports = [
      new Logger.transports.Console(),
      new Logger.transports.File({ filename: 'app.log' })
    ];
    const logger = new Logger({ transports });

    logger.info('Logged to console and file');
  

Log Rotation

  
    const fileTransport = new Logger.transports.File({
      filename: 'rotating.log',
      maxSize: '10m',
      maxFiles: '14d'
    });

    const logger = new Logger({ transports: [fileTransport] });

    logger.info('This log will rotate');
  

Application Example

  
    const express = require('express');
    const Logger = require('captain-logger');

    const app = express();
    const logger = new Logger({
      level: 'info',
      transports: [
        new Logger.transports.Console(),
      ]
    });

    app.use((req, res, next) => {
      logger.info(`Received request for ${req.url}`);
      next();
    });

    app.get('/', (req, res) => {
      logger.info('Root endpoint hit');
      res.send('Hello, Captain Logger!');
    });

    app.listen(3000, () => {
      logger.info('Server is running on port 3000');
    });
  

Conclusion

Captain Logger is a versatile and efficient logging library that suits large-scale applications as well as small projects. By leveraging its advanced features, including customizable formats, multiple transports, and log rotation, you can ensure that your application’s logging is robust and more insightful.

Start logging smarter and more efficiently with Captain Logger today!

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