index.js

'use strict';
const frequency = 1000;
const potGoal = 20;
const timeAfterPotGoal = 10*1000;

const Pot = function() {
  return {
    participants: [],
    value: 20,
    timeoutStarted: false,
    timeout: null,
    isClosed: false
  };
};

let state = {
  potNumber: 0,
  pot: new Pot()
};

function editState() {
  console.log(state);
  if (state.pot.value < potGoal) {
    return;
  } else if(state.pot.value >= potGoal && !state.pot.timeoutStarted) {
    state.pot.timeout = Date.now();
    state.pot.timeoutStarted = true;
  } else {
    let timeFromStart = Math.abs(state.pot.timeout - Date.now());
    if(timeFromStart< timeAfterPotGoal) {
      return;
    } else {
      state.potNumber++;
      state.pot.isClosed = true;
      state.pot = new Pot();
    }
  }

}

setInterval(editState, frequency);