alt + x shortcut for google translate swap

gt-swap.js

// Not following best practices
(function () {
  const d = document.getElementById,
        a = window.addEventListener,
        gt_swap = d('gt-swap'),
        source = d('source');
  a('keydown', function (e) {
    if (e.altKey  &&  e.code === "KeyX") {
      source.disabled = true;
      gt_swap.dispatchEvent(new MouseEvent('mouseover'));
      gt_swap.dispatchEvent(new MouseEvent('mousedown'));
      gt_swap.dispatchEvent(new MouseEvent('mouseup'));
    }
  });
  a('keyup', (e) => {
    if (e.altKey  &&  e.code === "KeyX") {
      //reset disabled textfield and refocus
      source.disabled = false;
      source.focus(); 
    }
  });
})();

Enable with ex. https://chrome.google.com/webstore/detail/custom-javascript-for-web/poakhlngfciodnhlhhgnaaelnpjljija