CSP based pong in ES6 JavaScript.

csp-pong.js

"use strict";

const csp = require("js-csp");

const setup = (table) => {
  const player = function*(name) {
    let ball;

    while((ball = yield csp.take(table)) !== csp.CLOSED) {
      ball.hits += 1;

      console.log(name + " " + ball.hits);

      yield csp.timeout(100);
      yield csp.put(table, ball);
    }
  };

  const game = function*() {
    csp.go(player, ["ping"]);
    csp.go(player, ["pong"]);

    yield csp.put(table, {hits: 0});
    yield csp.timeout(1000);

    table.close();
  };

  return {play: () => csp.go(game)};
};

setup(csp.chan()).play();