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GitHub Toggle Issue Comments

A userscript that toggles issues/pull request comments & messages

当前为 2017-11-29 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        GitHub Toggle Issue Comments
  3. // @version     1.1.3
  4. // @description A userscript that toggles issues/pull request comments & messages
  5. // @license     MIT
  6. // @author      Rob Garrison
  7. // @namespace   https://github.com/Mottie
  8. // @include     https://github.com/*
  9. // @run-at      document-idle
  10. // @grant       GM_addStyle
  11. // @grant       GM_getValue
  12. // @grant       GM_setValue
  13. // @require     https://greasyfork.org/scripts/28721-mutations/code/mutations.js?version=198500
  14. // @icon        https://github.com/fluidicon.png
  15. // ==/UserScript==
  16. (() => {
  17. 	"use strict";
  18.  
  19. 	GM_addStyle(`
  20. 		.ghic-button { float:right; }
  21. 		.ghic-button .btn:hover div.select-menu-modal-holder { display:block; top:auto; bottom:25px; right:0; }
  22. 		.ghic-right { float:right; }
  23. 		/* pre-wrap set for Firefox; see https://greasyfork.org/en/forum/discussion/9166/x */
  24. 		.ghic-menu label { display:block; padding:5px 15px; white-space:pre-wrap; }
  25. 		.ghic-button .select-menu-header, .ghic-participants { cursor:default; }
  26. 		.ghic-participants { border-top:1px solid #484848; padding:15px; }
  27. 		.ghic-avatar { display:inline-block; float:left; margin: 0 2px 2px 0; cursor:pointer; position:relative; }
  28. 		.ghic-avatar:last-child { margin-bottom:5px; }
  29. 		.ghic-avatar.comments-hidden svg { display:block; position:absolute; top:-2px; left:-2px; z-index:1; }
  30. 		.ghic-avatar.comments-hidden img { opacity:0.5; }
  31. 		.ghic-button .dropdown-item span { font-weight:normal; opacity:.5; }
  32. 		.ghic-button .dropdown-item.ghic-has-content span { opacity:1; }
  33. 		.ghic-button .dropdown-item.ghic-checked span { font-weight:bold; }
  34. 		.ghic-button .dropdown-item.ghic-checked svg,
  35. 			.ghic-button .dropdown-item.ghic-checked .ghic-count { display:inline-block; }
  36. 		.ghic-button .ghic-count { float:left; margin-right:5px; }
  37. 		.ghic-button .select-menu-modal { margin:0; }
  38. 		.ghic-button .ghic-participants { margin-bottom:20px; }
  39. 		/* for testing: ".ghic-hidden { opacity: 0.3; } */
  40. 		.ghic-hidden, .ghic-hidden-participant, .ghic-avatar svg, .ghic-button .ghic-right > *,
  41. 			.ghic-hideReactions .comment-reactions { display:none; }
  42. 	`);
  43.  
  44. 	const regex = /(svg|path)/i,
  45. 		// ZenHub addon active (include ZenHub Enterprise)
  46. 		hasZenHub = $(".zhio, .zhe") ? true : false,
  47.  
  48. 		settings = {
  49. 			// example: https://github.com/Mottie/Keyboard/issues/448
  50. 			title: {
  51. 				isHidden: false,
  52. 				name: "ghic-title",
  53. 				selector: ".discussion-item-renamed",
  54. 				label: "Title Changes"
  55. 			},
  56. 			labels: {
  57. 				isHidden: false,
  58. 				name: "ghic-labels",
  59. 				selector: ".discussion-item-labeled, .discussion-item-unlabeled",
  60. 				label: "Label Changes"
  61. 			},
  62. 			state: {
  63. 				isHidden: false,
  64. 				name: "ghic-state",
  65. 				selector: ".discussion-item-reopened, .discussion-item-closed",
  66. 				label: "State Changes (close/reopen)"
  67. 			},
  68.  
  69. 			// example: https://github.com/jquery/jquery/issues/2986
  70. 			milestone: {
  71. 				isHidden: false,
  72. 				name: "ghic-milestone",
  73. 				selector: ".discussion-item-milestoned",
  74. 				label: "Milestone Changes"
  75. 			},
  76. 			refs: {
  77. 				isHidden: false,
  78. 				name: "ghic-refs",
  79. 				selector: ".discussion-item",
  80. 				contains: ".discussion-item-ref-title",
  81. 				label: "References"
  82. 			},
  83. 			assigned: {
  84. 				isHidden: false,
  85. 				name: "ghic-assigned",
  86. 				selector: ".discussion-item-assigned",
  87. 				label: "Assignment Changes"
  88. 			},
  89.  
  90. 			// Pull Requests
  91. 			commits: {
  92. 				isHidden: false,
  93. 				name: "ghic-commits",
  94. 				selector: ".discussion-commits",
  95. 				label: "Commits"
  96. 			},
  97. 			reviews: {
  98. 				isHidden: false,
  99. 				name: "ghic-reviews",
  100. 				selector: ".discussion-item-review, .discussion-item-review_requested",
  101. 				label: "Reviews (All)"
  102. 			},
  103. 			outdated: {
  104. 				isHidden: false,
  105. 				name: "ghic-outdated",
  106. 				selector: ".discussion-item-review",
  107. 				contains: ".outdated-comment-label",
  108. 				label: "Reviews (Outdated)"
  109. 			},
  110. 			// example: https://github.com/jquery/jquery/pull/3014
  111. 			diffOld: {
  112. 				isHidden: false,
  113. 				name: "ghic-diffOld",
  114. 				selector: ".outdated-diff-comment-container",
  115. 				label: "Diff (outdated) Comments"
  116. 			},
  117. 			diffNew: {
  118. 				isHidden: false,
  119. 				name: "ghic-diffNew",
  120. 				selector: "[id^=diff-for-comment-]:not(.outdated-diff-comment-container)",
  121. 				label: "Diff (current) Comments"
  122. 			},
  123. 			// example: https://github.com/jquery/jquery/pull/2949
  124. 			merged: {
  125. 				isHidden: false,
  126. 				name: "ghic-merged",
  127. 				selector: ".discussion-item-merged",
  128. 				label: "Merged"
  129. 			},
  130. 			integrate: {
  131. 				isHidden: false,
  132. 				name: "ghic-integrate",
  133. 				selector: ".discussion-item-integrations-callout",
  134. 				label: "Integrations"
  135. 			},
  136.  
  137. 			// extras (special treatment - no selector)
  138. 			plus1: {
  139. 				isHidden: false,
  140. 				name: "ghic-plus1",
  141. 				label: "Hide +1s"
  142. 			},
  143. 			reactions: {
  144. 				isHidden: false,
  145. 				name: "ghic-reactions",
  146. 				label: "Reactions"
  147. 			},
  148. 			// page with lots of users to hide:
  149. 			// https://github.com/isaacs/github/issues/215
  150.  
  151. 			// ZenHub pipeline change
  152. 			pipeline: {
  153. 				isHidden: false,
  154. 				name: "ghic-pipeline",
  155. 				selector: ".discussion-item.zh-discussion-item",
  156. 				label: "ZenHub Pipeline Changes"
  157. 			}
  158. 		};
  159.  
  160. 	const iconHidden = `<svg class="octicon" xmlns="http://www.w3.org/2000/svg" width="30" height="30" viewBox="0 0 9 9"><path fill="#777" d="M7.07 4.5c0-.47-.12-.9-.35-1.3L3.2 6.7c.4.25.84.37 1.3.37.35 0 .68-.07 1-.2.32-.14.6-.32.82-.55.23-.23.4-.5.55-.82.13-.32.2-.65.2-1zM2.3 5.8l3.5-3.52c-.4-.23-.83-.35-1.3-.35-.35 0-.68.07-1 .2-.3.14-.6.32-.82.55-.23.23-.4.5-.55.82-.13.32-.2.65-.2 1 0 .47.12.9.36 1.3zm6.06-1.3c0 .7-.17 1.34-.52 1.94-.34.6-.8 1.05-1.4 1.4-.6.34-1.24.52-1.94.52s-1.34-.18-1.94-.52c-.6-.35-1.05-.8-1.4-1.4C.82 5.84.64 5.2.64 4.5s.18-1.35.52-1.94.8-1.06 1.4-1.4S3.8.64 4.5.64s1.35.17 1.94.52 1.06.8 1.4 1.4c.35.6.52 1.24.52 1.94z"/></svg>`,
  161. 		iconCheck = `<svg class="octicon octicon-check" height="16" viewBox="0 0 12 16" width="12"><path d="M12 5L4 13 0 9l1.5-1.5 2.5 2.5 6.5-6.5 1.5 1.5z"></path></svg>`,
  162. 		plus1Icon = `<img src="https://assets-cdn.github.com/images/icons/emoji/unicode/1f44d.png" class="emoji" title=":+1:" alt=":+1:" height="20" width="20" align="absmiddle">`;
  163.  
  164. 	function addMenu() {
  165. 		if ($("#discussion_bucket") && !$(".ghic-button")) {
  166. 			// update "isHidden" values
  167. 			getSettings();
  168. 			let name, bright, isHidden, isChecked,
  169. 				list = "",
  170. 				keys = Object.keys(settings),
  171. 				header = $(".discussion-sidebar-item:last-child"),
  172. 				menu = document.createElement("div");
  173.  
  174. 			for (name of keys) {
  175. 				if (!(name === "pipeline" && !hasZenHub)) {
  176. 					// make plus1 and reactions list items always bright
  177. 					bright = name === "plus1" ? " ghic-has-content" : "";
  178. 					isHidden = settings[name].isHidden;
  179. 					isChecked = isHidden ? " ghic-checked": "";
  180. 					// not using multi-line backticks because it adds lots of white-space to the label
  181. 					list += `<label class="dropdown-item${bright}${isChecked}">` +
  182. 						`<span>${settings[name].label}</span>` +
  183. 						`<span class="ghic-right ${settings[name].name}">` +
  184. 							`<input type="checkbox"${isHidden ? " checked" : ""}>` +
  185. 							`${iconCheck}<span class="ghic-count"> </span>` +
  186. 						`</span></label>`;
  187. 				}
  188. 			}
  189.  
  190. 			menu.className = "ghic-button";
  191. 			menu.innerHTML = `
  192. 				<span class="btn btn-sm" role="button" tabindex="0" aria-haspopup="true">
  193. 					<span class="tooltipped tooltipped-w" aria-label="Toggle issue comments">
  194. 						<svg class="octicon octicon-comment-discussion" height="16" width="16" role="img" viewBox="0 0 16 16">
  195. 							<path d="M15 2H6c-0.55 0-1 0.45-1 1v2H1c-0.55 0-1 0.45-1 1v6c0 0.55 0.45 1 1 1h1v3l3-3h4c0.55 0 1-0.45 1-1V10h1l3 3V10h1c0.55 0 1-0.45 1-1V3c0-0.55-0.45-1-1-1zM9 12H4.5l-1.5 1.5v-1.5H1V6h4v3c0 0.55 0.45 1 1 1h3v2z m6-3H13v1.5l-1.5-1.5H6V3h9v6z"></path>
  196. 						</svg>
  197. 					</span>
  198. 					<div class="select-menu-modal-holder">
  199. 						<div class="select-menu-modal" aria-hidden="true">
  200. 							<div class="select-menu-header" tabindex="-1">
  201. 								<span class="select-menu-title">Toggle items</span>
  202. 							</div>
  203. 							<div class="select-menu-list ghic-menu" role="menu">
  204. 								${list}
  205. 								<div class="ghic-participants"></div>
  206. 							</div>
  207. 						</div>
  208. 					</div>
  209. 				</span>
  210. 			`;
  211. 			if (hasZenHub) {
  212. 				header.insertBefore(menu, header.childNodes[0]);
  213. 			} else {
  214. 				header.appendChild(menu);
  215. 			}
  216. 			addAvatars();
  217. 		}
  218. 		update();
  219. 	}
  220.  
  221. 	function addAvatars() {
  222. 		let indx = 0,
  223.  
  224. 			str = "<p><strong>Hide Comments from</strong></p>",
  225. 			unique = [],
  226. 			// get all avatars
  227. 			avatars = $$(".timeline-comment-avatar img"),
  228. 			len = avatars.length - 1, // last avatar is the new comment with the current user
  229.  
  230. 			loop = (callback) => {
  231. 				let el, name,
  232. 					max = 0;
  233. 				while (max < 50 && indx < len) {
  234. 					if (indx >= len) {
  235. 						return callback();
  236. 					}
  237. 					el = avatars[indx];
  238. 					name = (el.getAttribute("alt") || "").replace("@", "");
  239. 					if (!unique.includes(name)) {
  240. 						str += `<span class="ghic-avatar tooltipped tooltipped-n" aria-label="${name}">
  241. 								${iconHidden}
  242. 								<img class="ghic-avatar avatar" width="24" height="24" src="${el.src}"/>
  243. 							</span>`;
  244. 						unique[unique.length] = name;
  245. 						max++;
  246. 					}
  247. 					indx++;
  248. 				}
  249. 				if (indx < len) {
  250. 					setTimeout(() => {
  251. 						loop(callback);
  252. 					}, 200);
  253. 				} else {
  254. 					callback();
  255. 				}
  256. 			};
  257. 		loop(() => {
  258. 			$(".ghic-participants").innerHTML = str;
  259. 		});
  260. 	}
  261.  
  262. 	function getSettings() {
  263. 		let name,
  264. 			keys = Object.keys(settings);
  265. 		for (name of keys) {
  266. 			settings[name].isHidden = GM_getValue(settings[name].name, false);
  267. 		}
  268. 	}
  269.  
  270. 	function saveSettings() {
  271. 		let name,
  272. 			keys = Object.keys(settings);
  273. 		for (name of keys) {
  274. 			GM_setValue(settings[name].name, settings[name].isHidden);
  275. 		}
  276. 	}
  277.  
  278. 	function getInputValues() {
  279. 		let name, item,
  280. 			keys = Object.keys(settings),
  281. 			menu = $(".ghic-menu");
  282. 		for (name of keys) {
  283. 			if (!(name === "pipeline" && !hasZenHub)) {
  284. 				item = closest(".dropdown-item", $("." + settings[name].name, menu));
  285. 				settings[name].isHidden = $("input", item).checked;
  286. 				toggleClass(item, "ghic-checked", settings[name].isHidden);
  287. 			}
  288. 		}
  289. 	}
  290.  
  291. 	function hideStuff(name, init) {
  292. 		const obj = settings[name],
  293. 			isHidden = obj.isHidden;
  294. 		let count, results,
  295. 			item = closest(".dropdown-item", $(".ghic-menu ." + obj.name));
  296. 		if (obj.selector) {
  297. 			results = $$(obj.selector);
  298. 			if (obj.contains) {
  299. 				results = results.filter(el => {
  300. 					return !!$(obj.contains, el);
  301. 				});
  302. 			}
  303. 			toggleClass(item, "ghic-checked", isHidden);
  304. 			if (isHidden) {
  305. 				count = addClass(results, "ghic-hidden");
  306. 				$(".ghic-count", item).textContent = count ? "(" + count + ")" : " ";
  307. 			} else if (!init) {
  308. 				// no need to remove classes on initialization
  309. 				removeClass(results, "ghic-hidden");
  310. 			}
  311. 			toggleClass(item, "ghic-has-content", results.length);
  312. 		} else if (name === "plus1") {
  313. 			hidePlus1(init);
  314. 		} else if (name === "reactions") {
  315. 			toggleClass($("body"), "ghic-hideReactions", isHidden);
  316. 			toggleClass(item, "ghic-has-content", $$(".has-reactions").length - 1);
  317. 			// make first comment reactions visible
  318. 			item = $(".has-reactions", $(".timeline-comment-wrapper"));
  319. 			if (item) {
  320. 				item.style.display = "block";
  321. 			}
  322. 		}
  323. 	}
  324.  
  325. 	function hidePlus1(init) {
  326. 		if (init && !settings.plus1.isHidden) {
  327. 			return;
  328. 		}
  329. 		let max,
  330. 			indx = 0,
  331. 			count = 0,
  332. 			total = 0,
  333. 			// keep a list of post authors to prevent duplicate +1 counts
  334. 			authors = [],
  335. 			// used https://github.com/isaacs/github/issues/215 for matches here...
  336. 			// matches "+1!!!!", "++1", "+!", "+99!!!", "-1", "+ 100", "thumbs up"; ":+1:^21425235"
  337. 			// ignoring -1's... add unicode for thumbs up; it gets replaced with an image in Windows
  338. 			regexPlus = /([?!,.:^[\]()\'\"+-\d]|bump|thumbs|up|\ud83d\udc4d)/gi,
  339. 			// other comments to hide - they are still counted towards the +1 counter (for now?)
  340. 			// seen "^^^" to bump posts; "bump plleeaaassee"; "eta?"; "pretty please"
  341. 			// "need this"; "right now"; "still nothing?"; "super helpful"; "for gods sake"
  342. 			regexHide = new RegExp("(" + [
  343. 				"@\\w+",
  344. 				"pretty",
  345. 				"pl+e+a+s+e+",
  346. 				"y+e+s+",
  347. 				"eta",
  348. 				"much",
  349. 				"need(ed)?",
  350. 				"fix",
  351. 				"this",
  352. 				"right",
  353. 				"now",
  354. 				"still",
  355. 				"nothing",
  356. 				"super",
  357. 				"helpful",
  358. 				"for\\sgods\\ssake",
  359. 				"c'?mon",
  360. 				"come\\son"
  361. 			].join("|") + ")", "gi"),
  362. 			// image title ":{anything}:", etc.
  363. 			regexEmoji = /:(.*):/,
  364.  
  365. 			comments = $$(".js-discussion .timeline-comment-wrapper"),
  366. 			len = comments.length,
  367.  
  368. 			loop = () => {
  369. 				let wrapper, el, tmp, txt, img, hasLink, dupe;
  370. 				max = 0;
  371. 				while (max < 20 && indx < len) {
  372. 					if (indx >= len) {
  373. 						return;
  374. 					}
  375. 					wrapper = comments[indx];
  376. 					// save author list to prevent repeat +1s
  377. 					el = $(".timeline-comment-header .author", wrapper);
  378. 					txt = (el ? el.textContent || "" : "").toLowerCase();
  379. 					dupe = true;
  380. 					if (txt && authors.indexOf(txt) < 0) {
  381. 						authors[authors.length] = txt;
  382. 						dupe = false;
  383. 					}
  384. 					el = $(".comment-body", wrapper);
  385. 					// ignore quoted messages, but get all fragments
  386. 					tmp = $$(".email-fragment", el);
  387. 					// some posts only contain a link to related issues; these should not be counted as a +1
  388. 					// see https://github.com/isaacs/github/issues/618#issuecomment-200869630
  389. 					hasLink = $$(tmp.length ? ".email-fragment .issue-link" : ".issue-link", el).length;
  390. 					if (tmp.length) {
  391. 						// ignore quoted messages
  392. 						txt = getAllText(tmp);
  393. 					} else {
  394. 						txt = el.textContent.trim();
  395. 					}
  396. 					if (!txt) {
  397. 						img = $("img", el);
  398. 						if (img) {
  399. 							txt = img.getAttribute("title") || img.getAttribute("alt");
  400. 						}
  401. 					}
  402. 					// remove fluff
  403. 					txt = txt.replace(regexEmoji, "").replace(regexPlus, "").replace(regexHide, "").trim();
  404. 					if (txt === "" || (txt.length < 4 && !hasLink)) {
  405. 						if (settings.plus1.isHidden) {
  406. 							wrapper.classList.add("ghic-hidden");
  407. 							total++;
  408. 							// one +1 per author
  409. 							if (!dupe) {
  410. 								count++;
  411. 							}
  412. 						} else if (!init) {
  413. 							wrapper.classList.remove("ghic-hidden");
  414. 						}
  415. 						max++;
  416. 					}
  417. 					indx++;
  418. 				}
  419. 				if (indx < len) {
  420. 					setTimeout(() => {
  421. 						loop();
  422. 					}, 200);
  423. 				} else {
  424. 					$(".ghic-menu .ghic-plus1 .ghic-count").textContent = total ? "(" + total + ")" : " ";
  425. 					toggleClass($(".ghic-menu ." + settings.plus1.name), "ghic-has-content", total);
  426. 					addCountToReaction(count);
  427. 				}
  428. 			};
  429. 		loop();
  430. 	}
  431.  
  432. 	function getAllText(el) {
  433. 		let txt = "",
  434. 			indx = el.length;
  435. 		// text order doesn't matter
  436. 		while (indx--) {
  437. 			txt += el[indx].textContent.trim();
  438. 		}
  439. 		return txt;
  440. 	}
  441.  
  442. 	function addCountToReaction(count) {
  443. 		if (!count) {
  444. 			count = ($(".ghic-menu .ghic-plus1 .ghic-count").textContent || "")
  445. 				.replace(/[()]/g, "")
  446. 				.trim();
  447. 		}
  448. 		let comment = $(".timeline-comment"),
  449. 			tmp = $(
  450. 				".has-reactions button[value='+1 react'], .has-reactions button[value='+1 unreact']",
  451. 				comment
  452. 			),
  453. 			el = $(".ghic-count", comment);
  454. 		if (el) {
  455. 			// the count may have been appended to the comment & now
  456. 			// there is a reaction, so remove any "ghic-count" elements
  457. 			el.parentNode.removeChild(el);
  458. 		}
  459. 		if (count) {
  460. 			if (tmp) {
  461. 				el = document.createElement("span");
  462. 				el.className = "ghic-count";
  463. 				el.textContent = count ? " + " + count + " (from hidden comments)" : "";
  464. 				tmp.appendChild(el);
  465. 			} else {
  466. 				el = document.createElement("p");
  467. 				el.className = "ghic-count";
  468. 				el.innerHTML = "<hr>" + plus1Icon + " " + count + " (from hidden comments)";
  469. 				$(".comment-body", comment).appendChild(el);
  470. 			}
  471. 		}
  472. 	}
  473.  
  474. 	function hideParticipant(el) {
  475. 		if (el) {
  476. 			el.classList.toggle("comments-hidden");
  477. 			let name = el.getAttribute("aria-label"),
  478. 				results = $$(
  479. 					".timeline-comment-wrapper, .commit-comment, .discussion-item"
  480. 				).filter(el => {
  481. 					const author = $(".js-discussion .author", el);
  482. 					return author ? name === author.textContent.trim() : false;
  483. 				});
  484. 			// use a different participant class name to hide timeline events
  485. 			// or unselecting all users will show everything
  486. 			if (el.classList.contains("comments-hidden")) {
  487. 				addClass(results, "ghic-hidden-participant");
  488. 			} else {
  489. 				removeClass(results, "ghic-hidden-participant");
  490. 			}
  491. 			results = [];
  492. 		}
  493. 	}
  494.  
  495. 	function update() {
  496. 		if ($("#discussion_bucket") && $(".ghic-button")) {
  497. 			let keys = Object.keys(settings),
  498. 				indx = keys.length;
  499. 			while (indx--) {
  500. 				// true flag for init - no need to remove classes
  501. 				hideStuff(keys[indx], true);
  502. 			}
  503. 		}
  504. 	}
  505.  
  506. 	function checkItem(event) {
  507. 		if (document.getElementById("discussion_bucket")) {
  508. 			let name,
  509. 				target = event.target,
  510. 				wrap = target && target.parentNode;
  511. 			if (target && wrap) {
  512. 				if (target.nodeName === "INPUT" && wrap.classList.contains("ghic-right")) {
  513. 					getInputValues();
  514. 					saveSettings();
  515. 					// extract ghic-{name}, because it matches the name in settings
  516. 					name = wrap.className.replace("ghic-right", "").replace("ghic-has-content", "").trim();
  517. 					if (wrap.classList.contains(name)) {
  518. 						hideStuff(name.replace("ghic-", ""));
  519. 					}
  520. 				} else if (target.classList.contains("ghic-avatar")) {
  521. 					// make sure we're targeting the span wrapping the image
  522. 					hideParticipant(target.nodeName === "IMG" ? target.parentNode : target);
  523. 				} else if (regex.test(target.nodeName)) {
  524. 					// clicking on the SVG may target the svg or path inside
  525. 					hideParticipant(closest(".ghic-avatar", target));
  526. 				}
  527. 			}
  528. 			// Make button show if it is active
  529. 			target = $(".ghic-button .btn");
  530. 			if (target) {
  531. 				const active = $$(".ghic-hidden, .ghic-hidden-participant").length > 0;
  532. 				target.classList.toggle("btn-outline", active);
  533. 			}
  534. 		}
  535. 	}
  536.  
  537. 	function $(selector, el) {
  538. 		return (el || document).querySelector(selector);
  539. 	}
  540.  
  541. 	function $$(selector, el) {
  542. 		return Array.from((el || document).querySelectorAll(selector));
  543. 	}
  544.  
  545. 	function closest(selector, el) {
  546. 		while (el && el.nodeType === 1) {
  547. 			if (el.matches(selector)) {
  548. 				return el;
  549. 			}
  550. 			el = el.parentNode;
  551. 		}
  552. 		return null;
  553. 	}
  554.  
  555. 	function addClass(els, name) {
  556. 		let indx,
  557. 			len = els.length;
  558. 		for (indx = 0; indx < len; indx++) {
  559. 			els[indx].classList.add(name);
  560. 		}
  561. 		return len;
  562. 	}
  563.  
  564. 	function removeClass(els, name) {
  565. 		let indx,
  566. 			len = els.length;
  567. 		for (indx = 0; indx < len; indx++) {
  568. 			els[indx].classList.remove(name);
  569. 		}
  570. 	}
  571.  
  572. 	function toggleClass(els, name, flag) {
  573. 		els = Array.isArray(els) ? els : [els];
  574. 		let el,
  575. 			indx = els.length;
  576. 		while (indx--) {
  577. 			el = els[indx];
  578. 			if (el) {
  579. 				if (typeof flag === "undefined") {
  580. 					flag = !el.classList.contains(name);
  581. 				}
  582. 				if (flag) {
  583. 					el.classList.add(name);
  584. 				} else {
  585. 					el.classList.remove(name);
  586. 				}
  587. 			}
  588. 		}
  589. 	}
  590.  
  591. 	function init() {
  592. 		getSettings();
  593. 		addMenu();
  594. 		$("body").addEventListener("input", checkItem);
  595. 		$("body").addEventListener("click", checkItem);
  596. 		update();
  597. 	}
  598.  
  599. 	// update TOC when content changes
  600. 	document.addEventListener("ghmo:container", addMenu);
  601. 	document.addEventListener("ghmo:comments", update);
  602. 	init();
  603.  
  604. })();