Function enableSigintHandler

extensions/cli/src/index.ts:59–91

()

// Sets up SIGINT handler that requires double Ctrl+C within 1 second to exit
export function enableSigintHandler() {
  // Remove all existing SIGINT listeners first
  process.removeAllListeners("SIGINT");

  process.on("SIGINT", async () => {
    const now = Date.now();
    const timeSinceLastCtrlC = now - lastCtrlCTime;

    if (timeSinceLastCtrlC <= 1000 && lastCtrlCTime !== 0) {
      // Second Ctrl+C within 1 second - exit
      showExitMessage = false;
      if (tuiUnmount) {
        tuiUnmount();
      }
      await gracefulExit(0);
    } else {
      // First Ctrl+C or too much time elapsed - show exit message
      lastCtrlCTime = now;
      showExitMessage = true;
      if (exitMessageCallback) {
        exitMessageCallback();
      }

      // Hide message after 1 second
      setTimeout(() => {
        showExitMessage = false;
        if (exitMessageCallback) {
          exitMessageCallback();
        }
      }, 1000);
    }
  });
}

// Check if "ctrl+c to exit" message should be displayed
export function shouldShowExitMessage(): boolean {