angular-demo/node_modules/piscina/test/fixtures/sleep.js

'use strict';

const { promisify } = require('util');
const sleep = promisify(setTimeout);

const buf = new Uint32Array(new SharedArrayBuffer(4));

module.exports = async ({ time = 100, a }) => {
  await sleep(time);
  const ret = Atomics.exchange(buf, 0, a);
  return ret;
};