GitHub Issue Highlighter

A userscript that highlights the linked-to comment

As of 2017-05-16. See the latest version.

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 or Violentmonkey 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        GitHub Issue Highlighter
// @version     1.0.4
// @description A userscript that highlights the linked-to comment
// @license     MIT
// @author      Rob Garrison
// @namespace   https://github.com/Mottie
// @include     https://github.com/*
// @run-at      document-idle
// @grant       GM_addStyle
// @icon        https://github.com/fluidicon.png
// ==/UserScript==
(() => {
	"use strict";

	// !important needed to override styles added by
	// https://github.com/StylishThemes/GitHub-Dark
	GM_addStyle(`
		.timeline-comment.selected,
		.timeline-comment.current-user.selected {
			border-color: #4183C4 !important;
		}
		.timeline-comment.selected:before,
		.timeline-comment.current-user.selected:before {
			border-right-color: #4183C4 !important;
		}
	`);

	function init(event) {
		if (document.querySelector("#discussion_bucket")) {
			let target, indx,
				hash = window.location.hash;
			// remove "selected" class on hashchange
			if (event) {
				target = document.querySelectorAll(".timeline-comment");
				indx = target.length;
				while (indx--) {
					target[indx].classList.remove("selected");
				}
			}
			// add "selected" class
			if (/^#issue(comment)?-\d+/.test(hash)) {
				target = document.querySelector(hash);
				if (target) {
					target.classList.add("selected");
				}
			}
		}
	}

	window.addEventListener("hashchange", init);
	init();

})();