Highlight Zendesk tickets based on their priority

zendesk-hightlight.user.js

// ==UserScript==
// @name         Zendesk Highlight
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Highlight Zendesk tickets based on their priority
// @author       Gilles Piou
// @match        https://bandlab.zendesk.com/*
// @grant        none
// ==/UserScript==

(function() {
  "use strict";

  const observer = new MutationObserver(mutationRecords => {
    mutationRecords.forEach(function(m) {
      m.addedNodes.forEach(function(node) {
        if (!node.innerText || node.nodeName !== "TR") {
          return;
        }

        if (/\n(\s)*Urgent(\s)*\n/.test(node.innerText)) {
          node.style.backgroundColor = "#f48fb1";
        } else if (/\n(\s)*High(\s)*\n/.test(node.innerText)) {
          node.style.backgroundColor = "#ffab91";
        } else if (/\n(\s)*Normal(\s)*\n/.test(m.addedNodes[0].innerText)) {
          node.style.backgroundColor = "#fff59d";
        } else if (/\n(\s)*Low(\s)*\n/.test(m.addedNodes[0].innerText)) {
          node.style.backgroundColor = "#90caf9";
        }
      });
    });
  });

  observer.observe(document.body, {
    childList: true,
    subtree: true
  });
})();