Github Pages Linker

Add a link to Github Pages (gh-pages) when available.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name             Github Pages Linker
// @id               Github_Pages_Linker@https://github.com/jerone/UserScripts
// @namespace        https://github.com/jerone/UserScripts/
// @description      Add a link to Github Pages (gh-pages) when available.
// @author           jerone
// @copyright        2014+, jerone (https://github.com/jerone)
// @license          CC-BY-NC-SA-4.0; https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode
// @license          GPL-3.0-or-later; http://www.gnu.org/licenses/gpl-3.0.txt
// @homepage         https://github.com/jerone/UserScripts/tree/master/Github_Pages_Linker
// @homepageURL      https://github.com/jerone/UserScripts/tree/master/Github_Pages_Linker
// @supportURL       https://github.com/jerone/UserScripts/issues
// @contributionURL  https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VCYMHWQ7ZMBKW
// @icon             https://github.githubassets.com/pinned-octocat.svg
// @version          1.2.5
// @grant            none
// @run-at           document-end
// @include          https://github.com/*
// ==/UserScript==

/* eslint security/detect-object-injection: "off" */

(function () {
	String.format = function (string) {
		var args = Array.prototype.slice.call(arguments, 1, arguments.length);
		return string.replace(/{(\d+)}/g, function (match, number) {
			return typeof args[number] !== "undefined" ? args[number] : match;
		});
	};

	function addLink() {
		if (document.getElementById("GithubPagesLinker")) {
			return;
		}

		var meta = document.querySelector("main h1");
		if (!meta) {
			return;
		}

		var branchSelector = document.querySelector("#branch-select-menu");
		if (!branchSelector) {
			return;
		}

		var branch = document.querySelector(
			'.SelectMenu-item[href$="/tree/gh-pages"]',
		);
		if (branch) {
			createLink(branch);
		} else {
			const observer = new MutationObserver(function () {
				var branch2 = document.querySelector(
					'.SelectMenu-item[href$="/tree/gh-pages"]',
				);
				if (branch2) {
					observer.disconnect();
					createLink(branch2);
				}
			});

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

			var dropdown = branchSelector.querySelector("ref-selector");
			window.setTimeout(function () {
				dropdown.dispatchEvent(
					new CustomEvent("container-mouseover", { bubbles: true }),
				);
			}, 100);
		}

		function createLink(branch2) {
			var tree = branch2.getAttribute("href").split("/"); // `/{user}/{repo}/tree/gh-pages`;
			var url = String.format(
				"{0}//{1}.github.io/{2}/",
				tree[0],
				tree[3],
				tree[4],
			);

			var div = document.createElement("small");
			div.id = "GithubPagesLinker";
			meta.parentNode.insertBefore(div, meta.nextSibling);

			var img = document.createElement("img");
			img.setAttribute(
				"src",
				"https://github.githubassets.com/images/icons/emoji/octocat.png",
			);
			img.setAttribute("align", "absmiddle");
			img.classList.add("emoji");
			img.style.height = "16px";
			img.style.width = "16px";
			div.appendChild(img);

			div.appendChild(document.createTextNode(" "));

			var a = document.createElement("a");
			a.setAttribute("href", "{https}://pages.github.com");
			a.setAttribute("title", "More info about gh-pages...");
			a.style.color = "inherit";
			a.appendChild(document.createTextNode("Github Pages"));
			div.appendChild(a);

			div.appendChild(document.createTextNode(": "));

			var aa = document.createElement("a");
			aa.setAttribute("href", url);
			aa.appendChild(document.createTextNode(url));
			div.appendChild(aa);
		}
	}

	// Init;
	addLink();

	// On pjax;
	document.addEventListener("pjax:end", addLink);
})();