@ably/cli/dist/src/utils/sigint-exit.js

Ably CLI for Pub/Sub, Chat and Spaces

// Ensure process exits with code 130 when killed by SIGINT
// This is important for shell scripts and wrappers to detect Ctrl+C
import { showInterruptFeedback } from './interrupt-feedback.js';
let sigintReceived = false;
let lastSigintTime = 0;
// Export a flag that other modules can check
export const isCleaningUp = () => sigintReceived;
// In interactive mode, we want to handle double Ctrl+C for force quit
// Single Ctrl+C is handled by readline and commands
if (process.env.ABLY_INTERACTIVE_MODE === 'true') {
    // Track SIGINT timing for double Ctrl+C detection
    process.on('SIGINT', () => {
        const now = Date.now();
        const timeSinceLastSigint = now - lastSigintTime;
        lastSigintTime = now;
        // If two SIGINTs within 500ms, force quit
        if (timeSinceLastSigint < 500) {
            console.error('\n⚠ Force quit');
            process.exit(130);
        }
        // Show feedback for first SIGINT during command execution
        // This will only show if a command is running (readline won't emit SIGINT at prompt)
        if (!sigintReceived) {
            sigintReceived = true;
            showInterruptFeedback();
            // Reset flag after a short delay
            setTimeout(() => {
                sigintReceived = false;
            }, 1000);
        }
    });
}
else {
    // Non-interactive mode - keep original behavior
    setImmediate(() => {
        process.on('SIGINT', () => {
            // Set exit code to 130 (standard for SIGINT)
            process.exitCode = 130;
            // For non-interactive commands or if something goes wrong,
            // ensure we exit after a timeout
            setTimeout(() => {
                process.exit(130);
            }, 1000).unref();
        });
    });
}