GitHub Toggle Wiki Sidebar

A userscript that adds a button to toggle the GitHub Wiki sidebar

As of 2017-03-25. 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 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 Toggle Wiki Sidebar
// @version       1.0.3
// @description   A userscript that adds a button to toggle the GitHub Wiki sidebar
// @license       https://creativecommons.org/licenses/by-sa/4.0/
// @namespace     https://github.com/Mottie
// @include       https://github.com/*
// @run-at        document-idle
// @grant         GM_addStyle
// @grant         GM_getValue
// @grant         GM_setValue
// @author        Rob Garrison
// ==/UserScript==
(() => {
	"use strict";

	// disable click targeting of button SVG internals
	GM_addStyle(".ghtws-button > * { pointer-events: none; }");

	// sidebar state
	let isHidden = false,

		toggleIcon = "<svg class='octicon' xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'><path fill='none' stroke='currentColor' stroke-miterlimit='10' d='M.5 3.5h10v9H.5z'/><path fill='currentColor' stroke='currentColor' stroke-miterlimit='10' d='M7 7.8l1.5-1.2V9zM10.5 3.5h5v9h-5v-9zm4.3 4.3l-4.3-3V11l4.3-3.2z'/></svg>";

	function addToggle() {
		if (document.querySelector("#wiki-wrapper") && !document.querySelector(".ghtws-button")) {
			let el = document.querySelector(".gh-header-actions") || document.querySelector(".gh-header-title");
			const button = document.createElement("div");
			button.className = "btn btn-sm tooltipped tooltipped-s ghtws-button";
			button.innerHTML = toggleIcon;
			button.setAttribute("aria-label", "Toggle Sidebar");
			if (el.nodeName === "H1") {
				// non-editable wiki pages
				button.style.float = "right";
				el = el.parentNode;
			}
			// editable wikis have a "header-actions" area
			// prepend button
			el.insertBefore(button, el.childNodes[0]);
			if (isHidden) {
				toggleSidebar();
			}
		}
	}

	function toggleSidebar() {
		const sidebar = document.querySelector("#wiki-rightbar"),
			wrapper = sidebar && sidebar.parentNode;
		if (sidebar) {
			if (isHidden) {
				sidebar.style.display = "none";
				wrapper.classList.remove("has-rightbar");
			} else {
				sidebar.style.display = "";
				wrapper.classList.add("has-rightbar");
			}
			GM_setValue("sidebar-state", isHidden);
		}
	}

	function toggleEvent(event) {
		const target = event.target;
		if (target && target.classList.contains("ghtws-button")) {
			isHidden = !isHidden;
			toggleSidebar();
		}
	}

	function init() {
		isHidden = GM_getValue("sidebar-state", false);
		document.querySelector("body").addEventListener("click", toggleEvent);
		addToggle();
	}

	document.addEventListener("pjax:end", addToggle);
	init();

})();