Function tick

src/cli.ts:166–170

()

  let line = '';
  let stopped = false;
  const tick = () => {
    if (stopped) return;
    const spin = SPINNER[spinnerIdx++ % SPINNER.length];
    process.stderr.write(`\r\x1b[K  ${spin} ${line}`);
  };
  const interval = setInterval(tick, 80);
  const stop = () => {
    if (stopped) return;