console.log("Counting seconds...");

let i = 0;
function sigIntHandler() {
  console.log("interrupted! your number was", i);
  Deno.exit();
}
Deno.addSignalListener("SIGINT", sigIntHandler);
const interval = setInterval(() => {
  i++;
}, 1000);
setTimeout(() => {
  clearInterval(interval);
  Deno.removeSignalListener("SIGINT", sigIntHandler);
  console.log("done! it has been 10 seconds");
}, 10_000);