Totally functional method to get rage click

rageClick.js

const saveMousePosition = totalClicks => event => {
  if (!event) return totalClicks;
  totalClicks.push(`${event.clientX}-${event.clientY}`);
  return [];
};
const addNewClick = saveMousePosition([]);

const _setRage = () => {
  document.addEventListener('click', event => {
    addNewClick(event);
  });
  document.addEventListener('mousemove', saveMousePosition([]));

  setInterval(() => {
    saveMousePosition([]);
  }, 500);
};

const getRage = () =>
  new Promise(resolve =>
    resolve({
      rage_clicks: [...new Set(addNewClick())]
    })
  );

export { _setRage, getRage };