npm install signal-exityarn add signal-exitpnpm add signal-exit<script src="https://fastly.jsdelivr.net/npm/signal-exit"></script><script src="https://unpkg.com/signal-exit"></script><script type="module">
import signalexit from 'https://cdn.jsdelivr.net/npm/signal-exit/+esm';
</script><script type="module">
import signalexit from 'https://cdn.skypack.dev/signal-exit';
</script>