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Channels demonstration using the Queueable library:

The prior art is js-csp, but the syntax has been significantly
improved since the addition of asynchronous iteration in ES2018.

Doesn't currently work in Edge due to a bug in CodePen.

const { Channel } = Queueable;
const Delay = ms => new Promise(resolve => setTimeout(resolve, ms));

const player = async (name, table) => {
  console.log(`${name}: joined the game 🏓`);
  for await (const ball of table) {
    ball.hits += 1;
    console.log(`${name}: ${ball.hits}`);
    await Delay(100);
    await table.push(ball);
  console.log(`${name}: table's gone 🤷`);

(async () => {
  const table = new Channel();
  player("ping", table);
  player("pong", table);
  await table.push({ hits: 0 });
  await Delay(1000);