// #46: live relative-time counters: tick any [data-ts] (epoch seconds) every second
(function () {
  function fmt(ts) {
    const s = Math.max(0, Math.floor(Date.now() / 1000) - ts);
    if (s < 60) return s + 's ago';
    if (s < 3600) return Math.floor(s / 60) + 'm ago';
    if (s < 86400) return Math.floor(s / 3600) + 'h ago';
    return Math.floor(s / 86400) + 'd ago';
  }
  function tick() {
    document.querySelectorAll('[data-ts]').forEach(el => {
      const ts = parseInt(el.dataset.ts, 10);
      if (!isNaN(ts)) el.textContent = fmt(ts);
    });
  }
  setInterval(tick, 1000);
  document.addEventListener('DOMContentLoaded', tick);
  tick();
})();