Introduction to inagent-logger

The inagent-logger is an advanced, high-performance logging library designed for modern applications. It provides a simple and effective API for logging application events, with numerous options for customization. Whether you are developing a small application or a large-scale system, inagent-logger has you covered.

Basic Usage

To get started with inagent-logger, you need to install it via npm:

npm install inagent-logger

Here’s how to log a simple message:

const logger = require('inagent-logger');

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

Logging Levels

inagent-logger supports multiple logging levels such as DEBUG, INFO, WARN, and ERROR:

logger.debug('This is a debug message.');
logger.info('This is an informational message.');
logger.warn('This is a warning message.');
logger.error('This is an error message.');

Custom Formats

You can customize the format of your logs:

logger.setFormat('json');
logger.info('This message will be logged in JSON format.');

Another example:

logger.setFormat('[{timestamp}] {level}: {message}');
logger.info('This is a custom formatted message.');

Log Rotation

Configure log rotation to ensure your log files do not grow indefinitely:

logger.setRotationOptions({
  size: '10M',
  interval: '7d',
  compress: true
});

Logging to Different Destinations

inagent-logger allows you to log to files, databases, or remote servers:

logger.addDestination('file', './logs/app.log');
logger.addDestination('http', 'https://api.logging-service.com/logs');

Example Application

Here’s a complete example of a Node.js application using inagent-logger:

const logger = require('inagent-logger');

logger.setFormat('{timestamp} {level}: {message}');
logger.addDestination('file', './logs/app.log');

logger.info('Starting application');

function runApp() {
  logger.debug('Application is running');
  try {
    // Simulate application logic
    throw new Error('An example error');
  } catch (error) {
    logger.error(`Application error: ${error.message}`);
  }
}

runApp();

Conclusion

inagent-logger is a highly customizable and powerful logging library that suits various needs. Its versatility in configuring log formats, destinations, and log rotation makes it ideal for any scale application. By integrating inagent-logger, you can ensure your application logs are well-managed and informative.

Hash: 778d4d65ae32b3c509eaa06da2d6696ddba53197283eff44fb37851437c1072c