Просмотр истории и diff карточки в Trello

trello-card-description-history.js

// в открытой карточке выполнить в консоли
(function () {
  const id = window.location.pathname.match(/\/c\/([^/]+)/)?.pop();
  const script = document.createElement('script');
  script.src = 'https://cdnjs.cloudflare.com/ajax/libs/jsdiff/4.0.1/diff.js';
  document.head.appendChild(script);

  script.onload = function () {   
    fetch(`https://trello.com/1/cards/${id}/actions?filter=updateCard:desc`).then(response => response.json()).then(_history => {
      console.clear();
      const added = 'color:green';
      const removed = 'color:red';
      const noChange = '';
      _history.filter(el=>el.data.card.hasOwnProperty('desc')).map(el => {
        let resultString = '';
        const dt = new Date(el.date);
        const group = el.memberCreator.fullName + ', ' + dt.toLocaleString('ru');
        const resultColors = [];
        const diff = Diff.diffWords(el.data.old.desc, el.data.card.desc);
        diff.forEach(function (part) {
          if (part.added) {
            resultColors.push(added);
          } else if (part.removed) {
            resultColors.push(removed);
          } else {
            resultColors.push(noChange);
          }
          resultString += '%c' + part.value;
        });
        console.group(group);
        console.log(resultString, ...resultColors);
        console.groupEnd(group);
      });
    });
  };
})();