Confirms a y/n in a CLI

cli-confirm.mjs

import { createInterface } from "node:readline";

const rl = createInterface({ input: process.stdin, terminal: false });
process.stdout.write("Please confirm with y/n: ");
for await (const line of rl) {
  if (line === "y") {
    break;
  }

  if (line === "n") {
    process.exit(0);
  }

  process.stdout.write("Invalid input. Please confirm with y/n: ");
}
rl.close();