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GitHub Custom Hotkeys

A userscript that allows you to add custom GitHub keyboard hotkeys

当前为 2018-02-11 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        GitHub Custom Hotkeys
  3. // @version     1.0.12
  4. // @description A userscript that allows you to add custom GitHub keyboard hotkeys
  5. // @license     MIT
  6. // @author      Rob Garrison
  7. // @namespace   https://github.com/Mottie
  8. // @include     https://github.com/*
  9. // @include     https://*.github.com/*
  10. // @run-at      document-idle
  11. // @grant       GM_addStyle
  12. // @grant       GM_getValue
  13. // @grant       GM_setValue
  14. // @icon        https://assets-cdn.github.com/pinned-octocat.svg
  15. // ==/UserScript==
  16. (() => {
  17. 	"use strict";
  18. 	/* "g p" here overrides the GitHub default "g p" which takes you to the Pull Requests page
  19. 	{
  20. 		"all": [
  21. 			{ "f1" : "#hotkey-settings" },
  22. 			{ "g g": "{repo}/graphs" },
  23. 			{ "g p": "{repo}/pulse" },
  24. 			{ "g u": "{user}" },
  25. 			{ "g s": "{upstream}" }
  26. 		],
  27. 		"{repo}/issues": [
  28. 			{ "g right": "{issue+1}" },
  29. 			{ "g left" : "{issue-1}" }
  30. 		],
  31. 		"{root}/search": [
  32. 			{ "g right": "{page+1}" },
  33. 			{ "g left" : "{page-1}" }
  34. 		]
  35. 	}
  36. 	*/
  37. 	let data = GM_getValue("github-hotkeys", {
  38. 			all: [{
  39. 				f1: "#hotkey-settings"
  40. 			}]
  41. 		}),
  42. 		lastHref = window.location.href;
  43.  
  44. 	const openHash = "#hotkey-settings",
  45.  
  46. 		templates = {
  47. 			remove: "<svg class='ghch-remove octicon' fill='currentColor' xmlns='http://www.w3.org/2000/svg' width='9' height='9' viewBox='0 0 9 9'><path d='M9 1L5.4 4.4 9 8 8 9 4.6 5.4 1 9 0 8l3.6-3.5L0 1l1-1 3.5 3.6L8 0l1 1z'/></svg>",
  48. 			hotkey: "Hotkey: <input type='text' class='ghch-hotkey form-control'>&nbsp; URL: <input type='text' class='ghch-url form-control'>",
  49. 			scope: "<ul><li class='ghch-hotkey-add'>+ Click to add a new hotkey</li></ul>"
  50. 		},
  51.  
  52. 		// https://github.com/{nonUser}
  53. 		// see https://github.com/Mottie/github-reserved-names v1.0.9
  54. 		nonUser = new RegExp("^(" + [
  55. 			"400", "401", "402", "403", "404", "405", "406", "407", "408", "409",
  56. 			"410", "411", "412", "413", "414", "415", "416", "417", "418", "419",
  57. 			"420", "421", "422", "423", "424", "425", "426", "427", "428", "429",
  58. 			"430", "431", "500", "501", "502", "503", "504", "505", "506", "507",
  59. 			"508", "509", "510", "511", "about", "access", "account", "admin",
  60. 			"anonymous", "api", "apps", "auth", "billing", "blog", "business", "c",
  61. 			"cache", "categories", "changelog", "codereview", "collections",
  62. 			"comments", "community", "compare", "contact", "dashboard", "design",
  63. 			"developer", "docs", "downloads", "editor", "edu", "enterprise", "events",
  64. 			"explore", "features", "files", "gist", "gists", "graphs", "help", "home",
  65. 			"hosting", "images", "info", "integrations", "issues", "jobs", "join",
  66. 			"languages", "legal", "linux", "lists", "login", "logout", "mac",
  67. 			"maintenance", "marketplace", "mine", "mirrors", "mobile", "navigation",
  68. 			"network", "new", "news", "notifications", "oauth", "offer",
  69. 			"open-source", "organizations", "orgs", "pages", "payments", "personal",
  70. 			"plans", "plugins", "popular", "posts", "press", "pricing", "projects",
  71. 			"pulls", "readme", "releases", "repositories", "save-net-neutrality",
  72. 			"search", "security", "services", "sessions", "settings", "shop",
  73. 			"showcases", "signin", "signup", "site", "ssh", "staff", "stars",
  74. 			"static", "status", "store", "stories", "styleguide", "subscriptions",
  75. 			"support", "talks", "teams", "terms", "timeline", "tos", "tour",
  76. 			"translations", "trending", "updates", "username", "users", "w",
  77. 			"watching", "wiki", "windows", "works-with", "www0", "www1", "www2",
  78. 			"www3", "www4", "www5", "www6", "www7", "www8", "www9"
  79. 		].join("|") + ")$");
  80.  
  81. 	function getUrlParts() {
  82. 		const loc = window.location,
  83. 			root = "https://github.com",
  84. 			parts = {
  85. 				root,
  86. 				origin: loc.origin,
  87. 				page: ""
  88. 			};
  89. 		// me
  90. 		let tmp = $("meta[name='user-login']");
  91. 		parts.m = tmp && tmp.getAttribute("content") || "";
  92. 		parts.me = parts.m ? parts.root + "/" + parts.m : "";
  93.  
  94. 		// pathname "should" always start with a "/"
  95. 		tmp = loc.pathname.split("/");
  96.  
  97. 		// user name
  98. 		if (nonUser.test(tmp[1] || "")) {
  99. 			// invalid user! clear out the values
  100. 			tmp = [];
  101. 		}
  102. 		parts.u = tmp[1] || "";
  103. 		parts.user = tmp[1] ? root + "/" + tmp[1] : "";
  104. 		// repo name
  105. 		parts.r = tmp[2] || "";
  106. 		parts.repo = tmp[1] && tmp[2] ? parts.user + "/" + tmp[2] : "";
  107. 		// tab?
  108. 		parts.t = tmp[3] || "";
  109. 		parts.tab = tmp[3] ? parts.repo + "/" + tmp[3] : "";
  110. 		if (parts.t === "issues" || parts.t === "pulls") {
  111. 			// issue number
  112. 			parts.issue = tmp[4] || "";
  113. 		}
  114. 		// forked from
  115. 		tmp = $(".repohead .fork-flag a");
  116. 		parts.upstream = tmp ? tmp.getAttribute("href") : "";
  117. 		// current page
  118. 		tmp = loc.search.match(/[&?]p(?:age)?=(\d+)/);
  119. 		parts.page = tmp ? tmp[1] || "1" : "";
  120. 		return parts;
  121. 	}
  122.  
  123. 	// pass true to initialize; false to remove everything
  124. 	function checkScope() {
  125. 		removeElms($("body"), ".ghch-link");
  126. 		const parts = getUrlParts();
  127. 		Object.keys(data).forEach(key => {
  128. 			const url = fixUrl(parts, key === "all" ? "{root}" : key);
  129. 			if (window.location.href.indexOf(url) > -1) {
  130. 				debug("Checking custom hotkeys for " + key);
  131. 				addHotkeys(parts, url, data[key]);
  132. 			}
  133. 		});
  134. 	}
  135.  
  136. 	function fixUrl(parts, url) {
  137. 		let valid = true; // use true in case a full URL is used
  138. 		url = url
  139. 			// allow {issues+#} to go inc or desc
  140. 			.replace(/\{issue([\-+]\d+)?\}/, (s, n) => {
  141. 				const val = n ? parseInt(parts.issue || "", 10) + parseInt(n, 10) : "";
  142. 				valid = val !== "" && val > 0;
  143. 				return valid ? parts.tab + "/" + val : "";
  144. 			})
  145. 			// allow {page+#} to change results page
  146. 			.replace(/\{page([\-+]\d+)?\}/, (s, n) => {
  147. 				const loc = window.location,
  148. 					val = n ? parseInt(parts.page || "", 10) + parseInt(n, 10) : "";
  149. 				let search;
  150. 				valid = val !== "" && val > 0;
  151. 				if (valid) {
  152. 					search = loc.origin + loc.pathname;
  153. 					if (loc.search.match(/[&?]p?=\d+/)) {
  154. 						search += loc.search.replace(/([&?]p=)\d+/, (s, n) => {
  155. 							return n + val;
  156. 						});
  157. 					} else {
  158. 						// started on page 1 (no &p=1) available to replace
  159. 						search += loc.search + "&p=" + val;
  160. 					}
  161. 				}
  162. 				return valid ? search : "";
  163. 			})
  164. 			// replace placeholders
  165. 			.replace(/\{\w+\}/gi, matches => {
  166. 				const val = parts[matches.replace(/[{}]/g, "")] || "";
  167. 				valid = val !== "";
  168. 				return val;
  169. 			});
  170. 		return valid ? url : "";
  171. 	}
  172.  
  173. 	function removeElms(src, selector) {
  174. 		const links = $$(selector, src);
  175. 		let len = links.length;
  176. 		while (len--) {
  177. 			src.removeChild(links[len]);
  178. 		}
  179. 	}
  180.  
  181. 	function addHotkeys(parts, scope, hotkeys) {
  182. 		// Shhh, don't tell anyone, but GitHub checks the data-hotkey attribute
  183. 		// of any link on the page, so we only need to add dummy links :P
  184. 		let indx, url, key, link;
  185. 		const len = hotkeys.length,
  186. 			body = $("body");
  187. 		for (indx = 0; indx < len; indx++) {
  188. 			key = Object.keys(hotkeys[indx])[0];
  189. 			url = fixUrl(parts, hotkeys[indx][key]);
  190. 			if (url) {
  191. 				link = document.createElement("a");
  192. 				link.className = "ghch-link";
  193. 				link.href = url;
  194. 				link.setAttribute("data-hotkey", key);
  195. 				body.appendChild(link);
  196. 				debug("Adding '" + key + "' keyboard hotkey linked to: " + url);
  197. 			}
  198. 		}
  199. 	}
  200.  
  201. 	function addHotkey(el) {
  202. 		const li = document.createElement("li");
  203. 		li.className = "ghch-hotkey-set";
  204. 		li.innerHTML = templates.hotkey + templates.remove;
  205. 		el.parentNode.insertBefore(li, el);
  206. 		return li;
  207. 	}
  208.  
  209. 	function addScope(el) {
  210. 		const scope = document.createElement("fieldset");
  211. 		scope.className = "ghch-scope-custom";
  212. 		scope.innerHTML = `
  213. 			<legend>
  214. 				<span class="simple-box" contenteditable>Enter Scope</span>&nbsp;
  215. 				${templates.remove}
  216. 			</legend>
  217. 			${templates.scope}
  218. 		`;
  219. 		el.parentNode.insertBefore(scope, el);
  220. 		return scope;
  221. 	}
  222.  
  223. 	function addMenu() {
  224. 		GM_addStyle(`
  225. 			#ghch-open-menu { cursor:pointer; }
  226. 			#ghch-menu { position:fixed; z-index: 65535; top:0; bottom:0; left:0; right:0; opacity:0; visibility:hidden; }
  227. 			#ghch-menu.ghch-open { opacity:1; visibility:visible; background:rgba(0,0,0,.5); }
  228. 			#ghch-settings-inner { position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); width:25rem; box-shadow:0 .5rem 1rem #111; }
  229. 			#ghch-settings-inner h3 .btn { float:right; font-size:.8em; padding:0 6px 2px 6px; margin-left:3px; }
  230. 			.ghch-remove, .ghch-remove svg, #ghch-settings-inner .ghch-close svg { vertical-align:middle; cursor:pointer; }
  231. 			.ghch-menu-inner { max-height:60vh; overflow-y:auto; }
  232. 			.ghch-menu-inner ul { list-style:none; }
  233. 			.ghch-menu-inner li { white-space:pre; margin-bottom:4px; }
  234. 			.ghch-scope-all, .ghch-scope-add, .ghch-scope-custom { width:100%; border:2px solid rgba(85,85,85,0.5); border-radius:4px; padding:10px; margin:0; }
  235. 			.ghch-scope-add, .ghch-hotkey-add { border:2px dashed #555; border-radius:4px; opacity:0.6; text-align:center; cursor:pointer; margin-top:10px; }
  236. 			.ghch-scope-add:hover, .ghch-hotkey-add:hover { opacity:1;  }
  237. 			.ghch-menu-inner legend span { padding:0 6px; min-width:30px; border:0; }
  238. 			.ghch-hotkey { width:60px; }
  239. 			.ghch-menu-inner li .ghch-remove { margin-left:10px; }
  240. 			.ghch-menu-inner li .ghch-remove:hover, .ghch-menu-inner legend .ghch-remove:hover { color:#800; }
  241. 			.ghch-json-code { display:none; font-family:Menlo, Inconsolata, 'Droid Mono', monospace; font-size:1em; }
  242. 			.ghch-json-code.ghch-open { position:absolute; top:37px; bottom:0; left:2px; right:2px; z-index:0; width:396px; max-width:396px; max-height:calc(100% - 37px); display:block; }
  243. 		`);
  244.  
  245. 		// add menu
  246. 		let menu = document.createElement("div");
  247. 		menu.id = "ghch-menu";
  248. 		menu.innerHTML = `
  249. 			<div id="ghch-settings-inner" class="boxed-group">
  250. 				<h3>
  251. 					GitHub Custom Hotkey Settings
  252. 					<button type="button" class="btn btn-sm ghch-close tooltipped tooltipped-n" aria-label="Close";>
  253. 						${templates.remove}
  254. 					</button>
  255. 					<button type="button" class="ghch-code btn btn-sm tooltipped tooltipped-n" aria-label="Toggle JSON data view">{ }</button>
  256. 					<a href="https://github.com/Mottie/GitHub-userscripts/wiki/GitHub-custom-hotkeys" class="ghch-help btn btn-sm tooltipped tooltipped-n" aria-label="Get Help">?</a>
  257. 				</h3>
  258. 				<div class="ghch-menu-inner boxed-group-inner">
  259. 					<fieldset class="ghch-scope-all">
  260. 						<legend>
  261. 							<span class="simple-box" data-scope="all">All of GitHub &amp; subdomains</span>
  262. 						</legend>
  263. 						${templates.scope}
  264. 					</fieldset>
  265. 					<div class="ghch-scope-add">+ Click to add a new scope</div>
  266. 					<textarea class="ghch-json-code"></textarea>
  267. 				</div>
  268. 			</div>
  269. 		`;
  270. 		$("body").appendChild(menu);
  271. 		// Create our menu entry
  272. 		menu = document.createElement("a");
  273. 		menu.id = "ghch-open-menu";
  274. 		menu.className = "dropdown-item";
  275. 		menu.innerHTML = "GitHub Hotkey Settings";
  276.  
  277. 		const els = $$(`
  278. 			.header .dropdown-item[href="/settings/profile"],
  279. 			.header .dropdown-item[data-ga-click*="go to profile"],
  280. 			.Header .dropdown-item[href="/settings/profile"],
  281. 			.Header .dropdown-item[data-ga-click*="go to profile"]
  282. 		`);
  283. 		if (els.length) {
  284. 			els[els.length - 1].parentNode.insertBefore(menu, els[els.length - 1].nextSibling);
  285. 		}
  286. 		addBindings();
  287. 	}
  288.  
  289. 	function openPanel() {
  290. 		updateMenu();
  291. 		$("#ghch-menu").classList.add("ghch-open");
  292. 		return false;
  293. 	}
  294.  
  295. 	function closePanel() {
  296. 		const menu = $("#ghch-menu");
  297. 		if (menu.classList.contains("ghch-open")) {
  298. 			// update data in case a "change" event didn't fire
  299. 			refreshData();
  300. 			checkScope();
  301. 			menu.classList.remove("ghch-open");
  302. 			$(".ghch-json-code", menu).classList.remove("ghch-open");
  303. 			window.location.hash = "";
  304. 			return false;
  305. 		}
  306. 	}
  307.  
  308. 	function addJSON() {
  309. 		const textarea = $(".ghch-json-code");
  310. 		textarea.value = JSON
  311. 			.stringify(data, null, 2)
  312. 			// compress JSON a little
  313. 			.replace(/\n\s{4}\}/g, " }")
  314. 			.replace(/\{\n\s{6}/g, "{ ");
  315. 	}
  316.  
  317. 	function processJSON() {
  318. 		let val;
  319. 		const textarea = $(".ghch-json-code");
  320. 		try {
  321. 			val = JSON.parse(textarea.value);
  322. 			data = val;
  323. 		} catch (err) {}
  324. 	}
  325.  
  326. 	function updateMenu() {
  327. 		const menu = $(".ghch-menu-inner");
  328. 		removeElms(menu, ".ghch-scope-custom");
  329. 		removeElms($(".ghch-scope-all ul", menu), ".ghch-hotkey-set");
  330. 		let scope, selector;
  331. 		// Add scopes
  332. 		Object.keys(data).forEach(key => {
  333. 			if (key === "all") {
  334. 				selector = "all";
  335. 				scope = $(".ghch-scope-all .ghch-hotkey-add", menu);
  336. 			} else if (key !== selector) {
  337. 				selector = key;
  338. 				scope = addScope($(".ghch-scope-add"));
  339. 				$("legend span", scope).innerHTML = key;
  340. 				scope = $(".ghch-hotkey-add", scope);
  341. 			}
  342. 			// add hotkey entries
  343. 			// eslint-disable-next-line no-loop-func
  344. 			data[key].forEach(val => {
  345. 				const target = addHotkey(scope),
  346. 					tmp = Object.keys(val)[0];
  347. 				$(".ghch-hotkey", target).value = tmp;
  348. 				$(".ghch-url", target).value = val[tmp];
  349. 			});
  350. 		});
  351. 	}
  352.  
  353. 	function refreshData() {
  354. 		data = {};
  355. 		let tmp, scope, sIndx, hotkeys, scIndx, scLen, val;
  356. 		const menu = $(".ghch-menu-inner"),
  357. 			scopes = $$("fieldset", menu),
  358. 			sLen = scopes.length;
  359. 		for (sIndx = 0; sIndx < sLen; sIndx++) {
  360. 			tmp = $("legend span", scopes[sIndx]);
  361. 			if (tmp) {
  362. 				scope = tmp.getAttribute("data-scope") || tmp.textContent.trim();
  363. 				hotkeys = $$(".ghch-hotkey-set", scopes[sIndx]);
  364. 				scLen = hotkeys.length;
  365. 				data[scope] = [];
  366. 				for (scIndx = 0; scIndx < scLen; scIndx++) {
  367. 					tmp = $$("input", hotkeys[scIndx]);
  368. 					val = (tmp[0] && tmp[0].value) || "";
  369. 					if (val) {
  370. 						data[scope][scIndx] = {};
  371. 						data[scope][scIndx][val] = tmp[1].value || "";
  372. 					}
  373. 				}
  374. 			}
  375. 		}
  376. 		GM_setValue("github-hotkeys", data);
  377. 		debug("Data refreshed", data);
  378. 	}
  379.  
  380. 	function addBindings() {
  381. 		let tmp;
  382. 		const menu = $("#ghch-menu");
  383.  
  384. 		// open menu
  385. 		on($("#ghch-open-menu"), "click", openPanel);
  386. 		// close menu
  387. 		on(menu, "click", closePanel);
  388. 		on($("body"), "keydown", event => {
  389. 			if (event.which === 27) {
  390. 				closePanel();
  391. 			}
  392. 		});
  393. 		// stop propagation
  394. 		on($("#ghch-settings-inner", menu), "keydown", event => {
  395. 			event.stopPropagation();
  396. 		});
  397. 		on($("#ghch-settings-inner", menu), "click", event => {
  398. 			event.stopPropagation();
  399. 			let target = event.target;
  400. 			// add hotkey
  401. 			if (target.classList.contains("ghch-hotkey-add")) {
  402. 				addHotkey(target);
  403. 			} else if (target.classList.contains("ghch-scope-add")) {
  404. 				addScope(target);
  405. 			}
  406. 			// svg & path nodeName may be lowercase
  407. 			tmp = target.nodeName.toLowerCase();
  408. 			if (tmp === "path") {
  409. 				target = target.parentNode;
  410. 			}
  411. 			// target should now point at svg
  412. 			if (target.classList.contains("ghch-remove")) {
  413. 				tmp = target.parentNode;
  414. 				// remove fieldset
  415. 				if (tmp.nodeName === "LEGEND") {
  416. 					tmp = tmp.parentNode;
  417. 				}
  418. 				// remove li; but not the button in the header
  419. 				if (tmp.nodeName !== "BUTTON") {
  420. 					tmp.parentNode.removeChild(tmp);
  421. 					refreshData();
  422. 				}
  423. 			}
  424. 		});
  425. 		on(menu, "change", refreshData);
  426. 		// contenteditable scope title
  427. 		on(menu, "input", event => {
  428. 			if (event.target.classList.contains("simple-box")) {
  429. 				refreshData();
  430. 			}
  431. 		});
  432. 		on($("button.ghch-close", menu), "click", closePanel);
  433. 		// open JSON code textarea
  434. 		on($(".ghch-code", menu), "click", () => {
  435. 			$(".ghch-json-code", menu).classList.toggle("ghch-open");
  436. 			addJSON();
  437. 		});
  438. 		// close JSON code textarea
  439. 		tmp = $(".ghch-json-code", menu);
  440. 		on(tmp, "focus", function () {
  441. 			this.select();
  442. 		});
  443. 		on(tmp, "paste", () => {
  444. 			setTimeout(() => {
  445. 				processJSON();
  446. 				updateMenu();
  447. 				$(".ghch-json-code").classList.remove("ghch-open");
  448. 			}, 200);
  449. 		});
  450.  
  451. 		// This is crazy! But window.location.search changes do not fire the
  452. 		// "popstate" or "hashchange" event, so we're stuck with a setInterval
  453. 		setInterval(() => {
  454. 			const loc = window.location;
  455. 			if (lastHref !== loc.href) {
  456. 				lastHref = loc.href;
  457. 				checkScope();
  458. 				// open panel via hash
  459. 				if (loc.hash === openHash) {
  460. 					openPanel();
  461. 				}
  462. 			}
  463. 		}, 1000);
  464. 	}
  465.  
  466. 	function $(str, el) {
  467. 		return (el || document).querySelector(str);
  468. 	}
  469.  
  470. 	function $$(str, el) {
  471. 		return Array.from((el || document).querySelectorAll(str));
  472. 	}
  473.  
  474. 	function on(els, name, callback) {
  475. 		els = Array.isArray(els) ? els : [els];
  476. 		const events = name.split(/\s+/);
  477. 		els.forEach(el => {
  478. 			if (el) {
  479. 				events.forEach(ev => {
  480. 					el.addEventListener(ev, callback);
  481. 				});
  482. 			}
  483. 		});
  484. 	}
  485.  
  486. 	// include a "debug" anywhere in the browser URL (search parameter) to enable debugging
  487. 	function debug() {
  488. 		if (/debug/.test(window.location.search)) {
  489. 			console.log.apply(console, arguments);
  490. 		}
  491. 	}
  492.  
  493. 	// initialize
  494. 	checkScope();
  495. 	addMenu();
  496. })();