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import { Logger } from '../types.js' export interface OnSignalsOptions { logger: Logger cleanup?: () => void } /** * 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: OnSignalsOptions): void { const { logger, cleanup } = options const handleSignal = (signal: string) => { 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) }) }