Adds 'Export' button to work diary for easier reports creation

golance-export.js

(() => {
  'use strict';

  let copy = () => {
    let area = document.createElement('textarea');
    let notificaitons = angular.element('*[ng-app]').injector().get("uiNotifications");
    let titles = [];

    let dateArray = new Date().toJSON().slice(0, 10).split('-');
    let date = [dateArray[1], dateArray[2], dateArray[0]].join('/');
    
    titles.push(date);

    Array.from(document.querySelectorAll('.diary__memo')).forEach(memo => {
      let trimmed = memo.textContent.trim();
      let text = '- ' + trimmed;

      if (trimmed && titles.indexOf(text) === -1) {
        titles.push(text);
      }
    });

    area.value = titles.join('\n');

    document.body.appendChild(area);
    area.style.position = 'absolute';
    area.style.left = '-9999px';
    area.select();

    try {
      document.execCommand('copy');
      notificaitons.showSuccess('Workflow has been successfully copied to clipboard.');
    } catch (err) {
      notificaitons.showError(err);
    }

    document.body.removeChild(area);
  };

  let process = () => {
    let parent = document.querySelector('.diary-box .media-header__info');
    let button = document.createElement('button');

    button.textContent = 'Export';
    button.classList.add('small', 'success', 'button');
    button.addEventListener('click', copy);

    parent.appendChild(button);
  };

  let waitForElement = (selector, callback) => {
    if (document.querySelector(selector)) {
      callback();
    } else {
      setTimeout(() => {
        waitForElement(selector, callback);
      }, 50);
    }
  };

  waitForElement('.diary-box .media-header__info', process);

})();