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/** * Sets up signal handlers for graceful shutdown. * * @param options Configuration options * @param options.logger Logger instance * @param options.cleanup Optional cleanup function to be called before exit */ export function onSignals(options) { const { logger, cleanup } = options; const handleSignal = (signal) => { logger.info(`Caught ${signal}. Exiting...`); if (cleanup) { cleanup(); } process.exit(0); }; process.on('SIGINT', () => handleSignal('SIGINT')); process.on('SIGTERM', () => handleSignal('SIGTERM')); process.on('SIGHUP', () => handleSignal('SIGHUP')); process.stdin.on('close', () => { logger.info('stdin closed. Exiting...'); if (cleanup) { cleanup(); } process.exit(0); }); }