Highliht diff in Jira issue history.
// ==UserScript==
// @name Jira history diff
// @version 2024-05-14
// @description Highliht diff in Jira issue history.
// @author vctls
// @match https://*.atlassian.net/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=atlassian.net
// @grant none
// @require https://cdn.jsdelivr.net/gh/google/diff-match-patch@62f2e689f498f9c92dbc588c58750addec9b1654/javascript/diff_match_patch_uncompressed.js
// @license MIT
// @namespace https://greasyfork.org/users/299396
// ==/UserScript==
(function() {
'use strict';
const handleMessage = () => {
document
.querySelectorAll('[data-testid="issue-history.ui.history-items.generic-history-item.history-item"] > div:last-child > div:last-child')
.forEach((element) => {
if (element.innerText.length < 100) return;
const left = element.querySelector("div:first-child");
const right = element.querySelector("div:last-child");
if (!left || !right) return;
element.style.display = "block";
const dmp = new diff_match_patch();
const diff = dmp.diff_main(left.innerText, right.innerText);
dmp.diff_cleanupSemantic(diff);
element.innerHTML = dmp.diff_prettyHtml(diff);
});
};
const delayedHandler = () => {
setTimeout(() => handleMessage(), 10);
};
(new MutationObserver(delayedHandler)).observe(document, {childList: true, subtree: true});
})();