Zendesk user ticket markdown

Renders markdown in user sent tickets

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Zendesk user ticket markdown
// @name:de      Zendesk Kundenticket Markdown
// @namespace    https://github.com/pke/zendesk-markdown
// @version      1.4
// @license      MIT
// @description  Renders markdown in user sent tickets
// @description:de Stellt markdown in Kundentickets dar
// @author       Philipp Kursawe <[email protected]>
// @match        https://*.zendesk.com/agent/tickets/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=zendesk.com
// @run-at       document-end
// @require      https://cdn.jsdelivr.net/npm/[email protected]/marked.min.js#sha256-kFpV+TsMjV61DFL9NPLjLbXsG8KAH88oX1pf7xjkTQY=
// @require      https://cdn.jsdelivr.net/npm/[email protected]/dist/purify.min.js#sha256-QigBQMy2be3IqJD2ezKJUJ5gycSmyYlRHj2VGBuITpU=
// @supportURL   https://github.com/pke/zendesk-markdown/discussions
// @grant        GM_log
// ==/UserScript==

/* global marked, DOMPurify */

(function() {
    'use strict';

    // GM_log("Loaded");

    function onChange(mutations, observer) {
        for (const mutation of mutations) {
            if (mutation.addedNodes.length) {
                for (const commentNode of document.getElementsByClassName("zd-comment")) {
                    // GM_log("zd-comment found");
                    // Already processed nodes are marked for not processing them again
                    if (!commentNode.markdowned) {
                        // GM_log("Added node:", commentNode.textContent);
                        // Grab the elements textContent which preserves indentions made
                        // by "  " constructs but strips all markup code.
                        const unmarkedContent = commentNode.textContent;
                        try {
                            const markedContent = marked.parse(unmarkedContent);
                            // GM_log("Marked:", markedContent);
                            const cleanContent = DOMPurify.sanitize(markedContent);
                            // GM_log("Clean:", cleanContent);
                            if (typeof commentNode.setHTML === "function") {
                                // GM_log("setHTML: ", cleanContent);
                                commentNode.setHTML(cleanContent);
                            } else {
                                // GM_log("innerHTML: ", cleanContent);
                                commentNode.innerHTML = cleanContent;
                            }
                        } catch (error) {
                            // GM_log("error: ", error.message);
                        }
                        commentNode.markdowned = true;
                    }
                }
            }
        }
    }

    // Wait for .zd-comment nodes to be created and convert their textContent to markdown, then disconnect
    var observer = new MutationObserver(onChange);
    observer.observe(document.body, { subtree: true, childList: true });
})();