update-notifier

import updateNotifier from 'update-notifier'; // In a real CLI, you'd load your package.json dynamically. // For demonstration, we'll define a basic package object. const packageDetails = { name: 'my-awesome-cli', version: '1.0.0' }; // Initialize the notifier with a short interval for testing purposes const notifier = updateNotifier({ pkg: packageDetails, updateCheckInterval: 1000 * 10 // Check every 10 seconds for testing }); // If there's an update, notify the user. // The notification is typically deferred until the process exits to avoid disrupting the CLI. notifier.notify({ defer: true // Default is true, ensures non-blocking behavior }); // You can also access update information directly if (notifier.update) { console.log(`An update is available for ${notifier.update.name}: ${notifier.update.current} -> ${notifier.update.latest} (${notifier.update.type})`); } else { console.log(`Your CLI (${packageDetails.name} v${packageDetails.version}) is up to date or update check is pending.`); } console.log(`\n${packageDetails.name} CLI is now running its main logic...`); // Simulate a long-running CLI process setTimeout(() => { console.log('CLI finished its operations.'); // In a real app, ensure process.exit() is called if necessary, // but update-notifier works in a detached process, so it won't prevent exit. }, 3000);