const Tempper = require('tempper');

// The first temp sesison is started automatically here,
// A diretory will be creted inside your OS's temp dir.
let tmp = new Tempper();

// This new directory is now your current dir.
console.log(process.cwd());

// Inject a file from your former directory into the new tmp one.
tmp.addFile('file-from-old-dir.conf', './same-file');

// Clear the temp directory and get a new one.
tmp.refresh();

console.log(process.cwd());

// Shortcut to create folders on the tmp dir.
tmp.mkdir('my-dir');
tmp.mkdir('my-recursive-dir/new-dir');

// Shortcut to remove both files os directories.
tmp.rm('my-recursive-dir');
tmp.rm('same-file');

// Assert wether paths exist or not.
tmp.assertMissing('my-recursive-dir/new-dir');
tmp.assertExists('same-file'); // => should throw

// Once you're done, erase the tempper diretory for good.
tmp.clear();

// And you'll be back to your old working dir.
console.log(process.cwd());