GitHub Sort Reactions

A userscript that sorts comments by reaction

Verzia zo dňa 08.05.2018. Pozri najnovšiu verziu.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, Greasemonkey alebo Violentmonkey.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie, ako napríklad Tampermonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, % alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey alebo Userscripts.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie, ako napríklad Tampermonkey.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie správcu používateľských skriptov.

(Už mám správcu používateľských skriptov, nechajte ma ho nainštalovať!)

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

(Už mám správcu používateľských štýlov, nechajte ma ho nainštalovať!)

// ==UserScript==
// @name        GitHub Sort Reactions
// @version     0.2.4
// @description A userscript that sorts comments by reaction
// @license     MIT
// @author      Rob Garrison
// @namespace   https://github.com/Mottie
// @include     https://github.com/*
// @run-at      document-idle
// @grant       GM_addStyle
// @grant       GM_getValue
// @grant       GM_setValue
// @require     https://greasyfork.org/scripts/28721-mutations/code/mutations.js?version=264157
// @icon        https://assets-cdn.github.com/pinned-octocat.svg
// ==/UserScript==
(() => {
	"use strict";

	const nonInteger = /[^\d]/g,
		reactionValues = {
			"THUMBS_UP": 1,
			"HOORAY": 1,
			"HEART": 1,
			"LAUGH": 0.5,
			"CONFUSED": -0.5,
			"THUMBS_DOWN": -1
		},
		currentSort = {
			init: false,
			el: null,
			dir: 0, // 0 = unsorted, 1 = desc, 2 = asc
			busy: false,
			type: GM_getValue("selected-reaction", "NONE")
		},

		sortBlock = `
<div class="timeline-comment-wrapper ghsc-sort-block ghsc-is-collapsed">
	<div class="timeline-comment">
		<div class="avatar-parent-child timeline-comment-avatar border ghsc-sort-avatar ghsc-no-selection">
			<div class="ghsc-icon-wrap tooltipped tooltipped-n" aria-label="Click to toggle reaction sort menu">
				<svg aria-hidden="true" class="octicon ghsc-sort-icon" xmlns="http://www.w3.org/2000/svg" width="25" height="40" viewBox="0 0 16 16">
					<path d="M15 8 1 8 8 0zM15 9 1 9 8 16z"/>
				</svg>
			</div>
			<g-emoji></g-emoji>
			<button class="ghsc-sort-button ghsc-avatar-sort btn btn-sm tooltipped tooltipped-n" aria-label="Toggle selected reaction sort direction">
				<span></span>
			</button>
		</div>
		<div class="timeline-comment-header comment comment-body">
			<h3 class="timeline-comment-header-text f5 text-normal">
				<button class="ghsc-sort-button btn btn-sm tooltipped tooltipped-n" type="button" aria-label="Sort by +1 reaction" data-sort="THUMBS_UP">
					<g-emoji alias="+1" class="emoji" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f44d.png">?</g-emoji>
				</button>
				<button class="ghsc-sort-button btn btn-sm tooltipped tooltipped-n" type="button" aria-label="Sort by -1 reaction" data-sort="THUMBS_DOWN">
					<g-emoji alias="-1" class="emoji" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f44e.png">?</g-emoji>
				</button>
				<button class="ghsc-sort-button btn btn-sm tooltipped tooltipped-n" type="button" aria-label="Sort by laugh reaction" data-sort="LAUGH">
					<g-emoji alias="smile" class="emoji" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f604.png">?</g-emoji>
				</button>
				<button class="ghsc-sort-button btn btn-sm tooltipped tooltipped-n" type="button" aria-label="Sort by hooray reaction" data-sort="HOORAY">
					<g-emoji alias="tada" class="emoji" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f389.png">?</g-emoji>
				</button>
				<button class="ghsc-sort-button btn btn-sm tooltipped tooltipped-n" type="button" aria-label="Sort by confused reaction" data-sort="CONFUSED">
					<g-emoji alias="thinking_face" class="emoji" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f615.png">?</g-emoji>
				</button>
				<button class="ghsc-sort-button btn btn-sm tooltipped tooltipped-n" type="button" aria-label="Sort by heart reaction" data-sort="HEART">
					<g-emoji alias="heart" class="emoji" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/2764.png">❤️</g-emoji>
				</button>
				<button class="ghsc-sort-button btn btn-sm tooltipped tooltipped-n tooltipped-multiline" type="button" aria-label="Sort by reaction evaluation
(thumbs up, hooray & heart = +1;
laugh = +0.5; confused = -0.5;
thumbs down = -1)" data-sort="ACTIVE">
					<g-emoji alias="speak_no_evil" class="emoji" fallback-src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f64a.png">?</g-emoji>
				</button>
			</h3>
		</div>
	</div>
</div>`;

	function sumOfReactions(el) {
		return Object.keys(reactionValues).reduce((sum, item) => {
			const elm = $(`.comment-reactions-options button[value*="${item}"]`, el);
			return sum + (getValue(elm) * reactionValues[item]);
		}, 0);
	}

	function getValue(elm) {
		return elm ?
			parseInt(elm.textContent.replace(nonInteger, "") || "0", 10) :
			0;
	}

	function extractSortValue(elm, type, dir) {
		if (dir === 0 || type === "NONE" || type === "ACTIVE") {
			return parseFloat(
				elm.dataset[`sortComment${dir === 0 ? "Date" : "Sum"}`]
			);
		}
		return getValue($(`.comment-reactions button[value*="${type}"]`, elm));
	}

	function stableSortValue(elm) {
		return parseInt(elm.dataset.sortCommentDate, 10);
	}

	function updateAvatar() {
		GM_setValue("selected-reaction", currentSort.type);
		const block = $(".ghsc-sort-block"),
			avatar = $(".ghsc-sort-avatar", block),
			icon = $(".ghsc-sort-button span", avatar);
		if (avatar) {
			let current = $(`.comment-body [data-sort=${currentSort.type}]`, block);
			avatar.classList.remove("ghsc-no-selection");
			avatar.replaceChild(
				$("g-emoji", current).cloneNode(true),
				$("g-emoji", avatar)
			);
			if (currentSort.dir === 0) {
				// use unsorted svg in sort button
				current = $(".ghsc-sort-icon", avatar).cloneNode(true);
				current.classList.remove("ghsc-sort-icon");
				icon.textContent = "";
				icon.appendChild(current);
			} else {
				icon.textContent = currentSort.dir !== 1 ? "▲" : "▼";
			}
		}
	}

	function sort() {
		currentSort.busy = true;
		const fragment = document.createDocumentFragment(),
			container = $(".js-discussion"),
			sortBlock = $(".ghsc-sort-block"),
			loadMore = $("#progressive-timeline-item-container"),
			dir = currentSort.dir,
			sortAsc = dir !== 1,
			type = currentSort.el ? currentSort.el.dataset.sort : "NONE";
		currentSort.type = type;
		updateAvatar();

		$$(".js-timeline-item")
			.sort((a, b) => {
				const av = extractSortValue(a, type, dir),
					bv = extractSortValue(b, type, dir);
				if (av === bv) {
					return stableSortValue(a) - stableSortValue(b);
				}
				return sortAsc ? av - bv : bv - av;
			})
			.forEach(el => {
				fragment.appendChild(el);
			});
		container.appendChild(fragment);
		if (loadMore) {
			// Move load more comments to top
			sortBlock.parentNode.insertBefore(loadMore, sortBlock.nextSibling);
		}
		setTimeout(() => {
			currentSort.busy = false;
		}, 100);
	}

	function update() {
		if (!currentSort.init || $$(".has-reactions").length < 2) {
			return toggleSortBlock(false);
		}
		toggleSortBlock(true);
		const items = $$(".js-timeline-item:not([data-sort-comment-date])");
		if (items) {
			items.forEach(el => {
				let date = $("[datetime]", el);
				if (date) {
					date = date.getAttribute("datetime");
					el.setAttribute("data-sort-comment-date", Date.parse(date));
				}
				// Add reset date & most active summation
				el.setAttribute("data-sort-comment-sum", sumOfReactions(el));
			});
		}
		if (currentSort.el && !currentSort.busy) {
			sort();
		}
	}

	function initSort(event) {
		let direction,
			target = event.target;
		if (target.classList.contains("ghsc-sort-button")) {
			event.preventDefault();
			event.stopPropagation();
			if (target.classList.contains("ghsc-avatar-sort")) {
				// Using avatar sort button; retarget button
				target = $(`.ghsc-sort-button[data-sort="${currentSort.type}"]`);
				currentSort.el = target;
			}
			$$(".ghsc-sort-button").forEach(el => {
				el.classList.toggle("selected", el === target);
				el.classList.remove("asc", "desc");
			});
			if (currentSort.el === target) {
				currentSort.dir = (currentSort.dir + 1) % 3;
			} else {
				currentSort.el = target;
				currentSort.dir = 1;
			}
			if (currentSort.dir !== 0) {
				direction = currentSort.dir === 1 ? "desc" : "asc";
				currentSort.el.classList.add(direction);
				$(".ghsc-avatar-sort").classList.add(direction);
			}
			sort();
		} else if (target.matches(".ghsc-sort-avatar, .ghsc-icon-wrap")) {
			$(".ghsc-sort-block").classList.toggle("ghsc-is-collapsed");
		}
	}

	function toggleSortBlock(show) {
		const block = $(".ghsc-sort-block");
		if (block) {
			block.style.display = show ? "block" : "none";
		} else if (show) {
			addSortBlock();
		}
	}

	function addSortBlock() {
		currentSort.busy = true;
		const first = $(".timeline-comment-wrapper");
		first.classList.add("ghsc-skip-sort");
		first.insertAdjacentHTML("afterEnd", sortBlock);
		currentSort.busy = false;
	}

	function init() {
		if (!currentSort.init) {
			GM_addStyle(`
				.ghsc-sort-block .comment-body { padding: 0 10px; }
				.ghsc-sort-block .emoji { vertical-align: baseline; pointer-events: none; }
				.ghsc-sort-block .btn.asc .emoji:after { content: "▲"; }
				.ghsc-sort-block .btn.desc .emoji:after { content: "▼"; }
				.ghsc-sort-avatar, .ghsc-icon-wrap { height: 44px; width: 44px; text-align: center; }
				.ghsc-sort-avatar { background: rgba(128, 128, 128, 0.2); border: #777 1px solid; }
				.ghsc-sort-avatar .emoji { position: relative; top: -36px; }
				.ghsc-sort-avatar svg { pointer-events: none; }
				.ghsc-sort-avatar.ghsc-no-selection { cursor: pointer; padding: 0 4px 0 0; }
				.ghsc-sort-avatar.ghsc-no-selection .emoji,
				.ghsc-sort-avatar.ghsc-no-selection .btn,
				.ghsc-sort-avatar:not(.ghsc-no-selection) svg.ghsc-sort-icon { display: none; }
				.ghsc-sort-avatar .btn { border-radius: 20px; width: 20px; height: 20px; position: absolute; bottom: -5px; right: -5px; }
				.ghsc-sort-avatar .btn span { position: absolute; left: 5px; top: 0; pointer-events: none; }
				.ghsc-sort-avatar .btn.asc span { top: -3px; }
				.ghsc-sort-avatar .btn span svg { height: 10px; width: 10px; vertical-align: unset; }
				.ghsc-sort-block.ghsc-is-collapsed h3,
				.ghsc-sort-block.ghsc-is-collapsed .timeline-comment:before,
				.ghsc-sort-block.ghsc-is-collapsed .timeline-comment:after { display: none; }
				.ghsc-sort-block.ghsc-is-collapsed .timeline-comment { margin: 10px 0; }
				.ghsc-sort-block.ghsc-is-collapsed .timeline-comment-avatar { top: -22px; }
			`);
			document.addEventListener("ghmo:container", update);
			document.addEventListener("ghmo:comments", update);
			document.addEventListener("click", initSort);
			currentSort.init = true;
			update();
			// "NONE" can only be seen on userscript init/factory reset
			if ($(".ghsc-sort-block") && currentSort.type !== "NONE") {
				updateAvatar();
			}
		}
	}

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

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

	if (document.readyState === "loading") {
		document.addEventListener("DOMContentLoaded", update, {once: true});
	} else {
		init();
	}
})();