import withTmpdir from "with-tmp";
 
await withTmpdir("my-tmp-dir", dir => {
  const path = path.join(dir, "my-file");
  fs.writeFileSync(path, "content");
}); // tmpdir is cleaned up

import { withinTmpdir } from "with-tmp";
 
process.cwd(); // => /home/me/workspace
await withinTmpdir("my-other-tmp-dir", dir => {
  process.cwd(); // => /private/var/folders/83/5913m0b1080000gn/T/my-other-tmp-dir2Ivp7V
});