// The only script in the product, two shortcuts inside chapter 25's 2kb, and every page works without it.
(function () {
  function typing(el) {
    var t = el.tagName;
    return t === 'INPUT' || t === 'TEXTAREA' || t === 'SELECT' || el.isContentEditable;
  }
  document.addEventListener('keydown', function (e) {
    if (e.metaKey || e.ctrlKey || e.altKey || typing(e.target)) return;

    if (e.key === '/') {
      var box = document.querySelector('input[name=q]');
      if (box) { box.focus(); box.select(); } else { location.href = '/search'; }
      e.preventDefault();
      return;
    }
    if (e.key === 't') {
      var files = document.querySelector('a[data-files]');
      if (files) { location.href = files.getAttribute('href'); e.preventDefault(); }
    }
  });
})();