GitHub Toggle Expanders

A userscript that toggles all expanders when one expander is shift-clicked

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 Toggle Expanders
// @version     2.1.0
// @description A userscript that toggles all expanders when one expander is shift-clicked
// @license     MIT
// @author      Rob Garrison
// @namespace   https://github.com/Mottie
// @match       https://github.com/*
// @run-at      document-idle
// @require     https://greasyfork.org/scripts/398877-utils-js/code/utilsjs.js?version=1079637
// @icon        https://github.githubassets.com/pinned-octocat.svg
// @supportURL  https://github.com/Mottie/GitHub-userscripts/issues
// ==/UserScript==

(() => {
	/* global $ $$ on */
	"use strict";

	// Commit history toggle
	// https://github.com/torvalds/linux/commits/master
	function toggleButton(el, modKey) {
		const stateNode = el.closest(".js-details-container");
		const state = stateNode && (
			// Resolved expander
			stateNode.classList.contains("open") ||
			// compare detail expander
			stateNode.classList.contains("Details--on")
		);
		const parentNode = stateNode && stateNode.closest(modKey
			// shift+ctrl+click = expand all on page
			?
			".repository-content"
			// shift+click = expand all in date
			:
			".Box--condensed"
		);

		if (parentNode) {
			const containers = parentNode.querySelectorAll(".js-details-container");
			[...containers].forEach(node => {
				node.classList.toggle("open", state);
				node.classList.toggle("Details--on", state);
			});
		}
	}

	// Toggle resolved/outdated comments
	// https://github.com/PowerShell/PowerShell/pull/18210
	function toggleDetails(el, modKey) {
		// clicked button has the previous state
		const state = el && el.classList.contains("Details-content--closed");
		const parentNode = el.closest(modKey
			// shift+ctrl+click = expand all on page
			?
			".js-discussion"
			// shift+click = expand all in date
			:
			".js-timeline-item"
		);

		if (parentNode) {
			$$("turbo-frame", parentNode).forEach(node => {
				const details = $("details", node);
				if (state) {
					details.setAttribute("open", state);
				} else {
					details.removeAttribute("open");
				}
			});
		}
	}

	on($("body"), "click", event => {
		const target = event.target;
		const mod = event.ctrlKey ||
			event.metaKey ||
			window.location.pathname.includes("/compare/");

		if (target && event.getModifierState("Shift")) {
			// give GitHub time to update the elements
			setTimeout(() => {
				if (target.matches(".js-details-target")) {
					toggleButton(target, mod);
				} else if (
					target.matches(".Details-content--closed, .Details-content--open")
				) {
					toggleDetails(target, mod);
				}
			}, 100);
		}
	});

})();