---

window.nevodSelection = () => {
  const el = [...document.querySelectorAll(
    '.syno-o-sh-view-selection'
  )].find(el => {
    const r = el.getBoundingClientRect();
    return r.width > 0 && r.height > 0;
  });

  if (!el) return null;

  const r = el.getBoundingClientRect();

  return {
    x: Math.round(r.x),
    y: Math.round(r.y),
    width: Math.round(r.width),
    height: Math.round(r.height)
  };
};

console.log('Выделение:', window.nevodSelection());