GitHub Toggle Diff Comments

A userscript that toggles diff/PR and commit comments

Från och med 2018-05-10. Se den senaste versionen.

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 Diff Comments
// @version     0.1.4
// @description A userscript that toggles diff/PR and commit comments
// @license     MIT
// @author      Rob Garrison
// @namespace   https://github.com/Mottie
// @include     https://github.com/*
// @run-at      document-idle
// @grant       GM.addStyle
// @grant       GM_addStyle
// @require     https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js?updated=20180103
// @require     https://greasyfork.org/scripts/28721-mutations/code/mutations.js?version=596445
// @icon        https://assets-cdn.github.com/pinned-octocat.svg
// ==/UserScript==
(() => {
	"use strict";

	let timer,
		ignoreEvents = false;
	const targets = {
			// PR has notes (added to <div id="diff-00" class="file ...">)
			headerHasNotes: ".has-inline-notes:not(.hide-file-notes-toggle)",
			// show comments wrapper for each file
			headerComment: "show-file-notes",
			// show comments checkbox
			headerCheckbox: "js-toggle-file-notes",
			// comment block row - class added to TR containing the comment
			rowComment: "inline-comments"
		},
		icons = {
			"show": `<svg xmlns="http://www.w3.org/2000/svg" class="octicon ghtc-primary ghtc-comment-hide" width="16" height="16" viewBox="0 0 16 16" aria-hidden="true"><g fill="#777"><path d="M6 9h1L6 8 5 7v1c0 .6.5 1 1 1z"/><path d="M9 11H4.5L3 12.5V11H1V5h2L2 4H1a1 1 0 0 0-1 1v6c0 .6.5 1 1 1h1v3l3-3h4c.3 0 .6-.1.7-.3l-.7-.8v.1zM15 1H6a1 1 0 0 0-1 1v.3l1 1V2h9v6h-2v1.5L11.5 8h-.8l3.3 3.2V9h1c.6 0 1-.5 1-1V2c0-.6-.4-1-1-1z"/></g><path d="M.4.9L13.7 14h1.7L2 .9z"/></svg>
			<svg xmlns="http://www.w3.org/2000/svg" class="octicon ghtc-secondary ghtc-comment-show" width="16" height="16" viewBox="0 0 16 16" aria-hidden="true"><path fill-rule="evenodd" d="M15 1H6c-.55 0-1 .45-1 1v2H1c-.55 0-1 .45-1 1v6c0 .55.45 1 1 1h1v3l3-3h4c.55 0 1-.45 1-1V9h1l3 3V9h1c.55 0 1-.45 1-1V2c0-.55-.45-1-1-1zM9 11H4.5L3 12.5V11H1V5h4v3c0 .55.45 1 1 1h3v2zm6-3h-2v1.5L11.5 8H6V2h9v6z"></path></svg>`,
			"collapse": `<svg xmlns="http://www.w3.org/2000/svg" class="octicon ghtc-primary ghtc-collapse" width="16" height="16" viewBox="0 0 16 16" aria-hidden="true"><g fill="#777"><path d="M4.2 12.8L5.6 11H4.5L3 12.5V11H1V5h4v3c0 .6.5 1 1 1h1.2L8 8H6V5.4L5 4H1a1 1 0 0 0-1 1v6c0 .6.5 1 1 1h1v3l2.2-2.2zM6 2.2V2h.6V1H6a1 1 0 0 0-1 1v.2h1zM15 1h-4.6v1H15v6h-2v1.5L11.5 8H9.1l.9 1.2V9h1l3 3V9h1c.6 0 1-.5 1-1V2c0-.6-.4-1-1-1z"/></g><path d="M11.5 3h-2V1h-2v2h-2l3 4zM5.5 13h2v2h2v-2h2l-3-4z"/></svg><svg xmlns="http://www.w3.org/2000/svg" class="octicon ghtc-secondary ghtc-expand" width="16" height="16" viewBox="0 0 16 16" aria-hidden="true"><g fill="#777"><path d="M6 5.8H5V8c0 .6.5 1 1 1h.8V8H6V5.8z"/><path d="M4.6 11h-.1L3 12.5V11H1V5h3.3L6 2.9V2h.7l.8-1H6a1 1 0 0 0-1 1v2H1a1 1 0 0 0-1 1v6c0 .6.5 1 1 1h1v3l3-3h.3l-.7-1zM15 1h-5l.7 1H15v6h-2v1.5L11.5 8h-1v1h.5l.8.8h1.8l-.8 1L14 12V9h1c.6 0 1-.5 1-1V2c0-.6-.4-1-1-1z"/></g><path d="M11.7 11h-2V9h-2v2h-2l3 4zM11.7 5h-2v2h-2V5h-2l3-4z"/></svg>`
		},
		activeClass = "ghtc-active",
		button = document.createElement("div");
	button.className = "btn btn-sm BtnGroup-item ghtc-toggle tooltipped tooltipped-s";

	// Using small black triangles because Windows doesn't
	// replace them with ugly emoji images
	GM.addStyle(`
		td.js-quote-selection-container {
			position: relative;
		}
		.review-thread:before {
			content: "\\25be";
			font-size: 2rem;
			position: absolute;
			right: 10px;
			top: -1rem;
			pointer-events: none;
		}
		.ghtc-collapsed .review-thread:before {
			content: "\\25c2";
		}
		.ghtc-collapsed .review-thread {
			padding: 0 0 5px;
			border: 0;
		}
		.ghtc-collapsed .review-thread:last-child {
			margin-bottom: 16px;
		}
		.ghtc-toggle .ghtc-secondary,
		.ghtc-toggle.${activeClass} .ghtc-primary,
		.ghtc-toggle input ~ .ghtc-secondary,
		.ghtc-toggle input:checked ~ .ghtc-primary,
		.ghtc-collapsed .review-thread > *,
		.ghtc-collapsed .last-review-thread,
		.ghtc-collapsed .inline-comment-form-container {
			display: none;
		}
		.ghtc-collapsed td.line-comments {
			padding: 0 5px;
			cursor: pointer;
		}
		.pr-toolbar .pr-review-tools.float-right .diffbar-item + .diffbar-item {
			margin-left: 10px;
		}
		.ghtc-toggle {
			height: 28px;
		}
		.ghtc-toggle svg {
			display: inline-block;
			max-height: 16px;
			pointer-events: none;
			vertical-align: baseline !important;
		}
		.ghtc-toggle.${activeClass} .ghtc-secondary,
		.ghtc-toggle input:checked ~ .ghtc-secondary {
			display: block;
		}`
	);

	function toggleSingleComment(el) {
		// Toggle individual inline comment
		el.parentNode.classList.toggle("ghtc-collapsed");
	}

	function toggleMultipleComments(wrapper, state) {
		$(".ghtc-collapse-toggle-file", wrapper).classList.toggle(activeClass, state);
		$$(`tr.${targets.rowComment}`, wrapper).forEach(el => {
			el.classList.toggle("ghtc-collapsed", state);
		});
	}

	function getState(el) {
		el.classList.toggle(activeClass);
		return el.classList.contains(activeClass);
	}

	function toggleFile(el) {
		// Toggle all inline comments for one file
		const state = getState(el);
		toggleMultipleComments(el.closest(".file"), state);
	}

	function toggleAll(el) {
		// Toggle all comments on page
		const state = getState(el);
		$("#ghtc-collapse-toggle-all").classList.toggle(activeClass, state);
		toggleMultipleComments(el.closest("#files_bucket"), state);
		$$(".ghtc-collapse-toggle-file").forEach(el => {
			el.classList.toggle(activeClass, state);
		});
	}

	function showAll(el) {
		// Show/hide all comments on page
		const state = getState(el);
		$("#ghtc-show-toggle-all").classList.toggle(activeClass, state);
		$$("#files .js-toggle-file-notes").forEach(el => {
			el.checked = state;
			el.dispatchEvent(new Event("change", {bubbles: true}));
		});
	}

	function createButton({id, className, icon, title}) {
		const btn = button.cloneNode(true);
		if (id) {
			btn.id = id;
		}
		btn.className += ` ${className || ""}`;
		btn.setAttribute("aria-label", title);
		btn.innerHTML = icons[icon];
		return btn;
	}

	function execFunction(event, callback) {
		clearTimeout(timer);
		ignoreEvents = true;
		event.stopPropagation();
		event.preventDefault();
		callback(event.target);
		timer = setTimeout(() => {
			ignoreEvents = false;
		}, 250);
	}

	function addListeners() {
		$(".repository-content").addEventListener("change", event => {
			const el = event.target;
			if (el && el.classList.contains(targets.headerCheckbox)) {
				el.parentNode.classList.toggle(activeClass, el.checked);
			}
		});
		$(".repository-content").addEventListener("click", event => {
			const el = event.target;
			if (!ignoreEvents && el) {
				const shift = event.shiftKey,
					toggle = el.classList.contains("ghtc-collapse-toggle-file"),
					show = el.nodeName === "LABEL",
					comment = el.classList.contains("js-quote-selection-container");
				if (el.id === "ghtc-collapse-toggle-all" || toggle && shift) {
					execFunction(event, toggleAll);
				} else if (el.id === "ghtc-show-toggle-all" || show && shift) {
					execFunction(event, showAll);
				} else if (toggle || comment && shift) {
					execFunction(event, toggleFile);
				} else if (comment) {
					execFunction(event, toggleSingleComment);
				}
			}
		});
	}

	function addButtons() {
		$$(`.${targets.headerComment}`).forEach(wrapper => {
			if (!wrapper.classList.contains("ghtc-hidden")) {
				const label = $("label", wrapper),
					checkbox = $("input", wrapper);
				let btn;
				// Make span wrapper a button group
				wrapper.classList.add("ghtc-hidden", "BtnGroup");
				// Remove top margin
				wrapper.classList.remove("pt-1");

				// Convert "Show Comments" label wrapping checkbox into a button
				label.className = "btn btn-sm BtnGroup-item ghtc-toggle tooltipped tooltipped-s";
				label.setAttribute("aria-label", "Show or hide all comments in this file");
				label.innerHTML = `
					<input type="checkbox" checked="checked" class="js-toggle-file-notes" hidden="true">
					${icons.show}`;

				// Add collapse all file comments button before label
				btn = createButton({
					className: "ghtc-collapse-toggle-file",
					icon: "collapse",
					title: "Expand or collapse all comments in this file"
				});
				label.parentNode.insertBefore(btn, label);
				// Hide checkbox
				checkbox.setAttribute("hidden", true);
			}
		});
		// Add collapse all comments on the page - test adding global toggle on
		// https://github.com/openstyles/stylus/pull/150/files (edit.js)
		if (!$("#ghtc-collapse-toggle-all")) {
			const wrapper = document.createElement("div"),
				// insert before Unified/Split button group
				diffmode = $(".pr-review-tools .diffbar-item, #toc .toc-diff-stats");
			let btn;
			wrapper.className = "BtnGroup " +
				// PR: diffbar-item; commit: toc-diff-stats
				(diffmode.classList.contains("diffbar-item") ? "diffbar-item" : "float-right pr-2");
			diffmode.parentNode.insertBefore(wrapper, diffmode);
			// collapse/expand all comments
			btn = createButton({
				id: "ghtc-collapse-toggle-all",
				icon: "collapse",
				title: "Expand or collapse all comments"
			});
			wrapper.appendChild(btn);
			// show/hide all comments
			btn = createButton({
				id: "ghtc-show-toggle-all",
				icon: "show",
				className: activeClass,
				title: "Show or hide all comments"
			});
			wrapper.appendChild(btn);
		}
	}

	function $(str, el) {
		return (el || document).querySelector(str);
	}

	function $$(str, el) {
		return [...(el || document).querySelectorAll(str)];
	}

	function init() {
		if ($("#files") && $(targets.headerHasNotes)) {
			addButtons();
			addListeners();
		}
	}

	document.addEventListener("ghmo:container", init);
	document.addEventListener("ghmo:diff", init);
	init();

})();