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GitHub Custom Hotkeys

A userscript that allows you to add custom GitHub keyboard hotkeys

目前為 2017-03-13 提交的版本，檢視 最新版本。

  1. // ==UserScript==
  2. // @name          GitHub Custom Hotkeys
  3. // @version       1.0.2
  4. // @description   A userscript that allows you to add custom GitHub keyboard hotkeys
  5. // @license       https://creativecommons.org/licenses/by-sa/4.0/
  6. // @namespace     http://github.com/Mottie
  7. // @include       https://github.com/*
  8. // @include       https://*.github.com/*
  9. // @grant         GM_addStyle
  10. // @grant         GM_getValue
  11. // @grant         GM_setValue
  12. // @run-at        document-idle
  13. // @author        Rob Garrison
  14. // ==/UserScript==
  15. /* global GM_addStyle, GM_getValue, GM_setValue */
  16. /* jshint esnext:true, unused:true */
  17. (() => {
  18. 	"use strict";
  19. 	/* "g p" here overrides the GitHub default "g p" which takes you to the Pull Requests page
  20. 	{
  21. 		"all": [
  22. 			{ "f1" : "#hotkey-settings" },
  23. 			{ "g g": "{repo}/graphs" },
  24. 			{ "g p": "{repo}/pulse" },
  25. 			{ "g u": "{user}" },
  26. 			{ "g s": "{upstream}" }
  27. 		],
  28. 		"{repo}/issues": [
  29. 			{ "g right": "{issue+1}" },
  30. 			{ "g left" : "{issue-1}" }
  31. 		],
  32. 		"{root}/search": [
  33. 			{ "g right": "{page+1}" },
  34. 			{ "g left" : "{page-1}" }
  35. 		]
  36. 	}
  37. 	*/
  38. 	let data = GM_getValue("github-hotkeys", {
  39. 			all: [{
  40. 				f1: "#hotkey-settings"
  41. 			}]
  42. 		}),
  43. 		lastHref = window.location.href;
  44.  
  45. 	const openHash = "#hotkey-settings",
  46.  
  47. 		templates = {
  48. 			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>",
  49. 			hotkey: "Hotkey: <input type='text' class='ghch-hotkey form-control'>&nbsp; URL: <input type='text' class='ghch-url form-control'>",
  50. 			scope: "<ul><li class='ghch-hotkey-add'>+ Click to add a new hotkey</li></ul>"
  51. 		},
  52.  
  53. 		// https://github.com/{nonUser}
  54. 		// see https://github.com/buunguyen/octotree/blob/master/src/adapters/github.js#L1-L10
  55. 		// and https://github.com/buunguyen/octotree/issues/304
  56. 		nonUser = new RegExp("(" + [
  57. 			"about",
  58. 			"account",
  59. 			"blog",
  60. 			"business",
  61. 			"contact",
  62. 			"dashboard",
  63. 			"developer",
  64. 			"explore",
  65. 			"features",
  66. 			"integrations",
  67. 			"issues",
  68. 			"join",
  69. 			"mirrors",
  70. 			"new",
  71. 			"notifications",
  72. 			"organizations",
  73. 			"open-source",
  74. 			"pages",
  75. 			"personal",
  76. 			"pricing",
  77. 			"pulls",
  78. 			"search",
  79. 			"security",
  80. 			"settings",
  81. 			"showcases",
  82. 			"site",
  83. 			"stars",
  84. 			"styleguide",
  85. 			"trending",
  86. 			"watching"
  87. 		].join("|") + ")");
  88.  
  89. 	function getUrlParts() {
  90. 		const loc = window.location,
  91. 			root = "https://github.com",
  92. 			parts = {
  93. 				root,
  94. 				origin: loc.origin,
  95. 				page: ""
  96. 			};
  97. 		// me
  98. 		let tmp = $("meta[name='user-login']");
  99. 		parts.m = tmp && tmp.getAttribute("content") || "";
  100. 		parts.me = parts.me ? parts.root + "/" + parts.m : "";
  101.  
  102. 		// pathname "should" always start with a "/"
  103. 		tmp = loc.pathname.split("/");
  104.  
  105. 		// user name
  106. 		if (nonUser.test(tmp[1] || "")) {
  107. 			// invalid user! clear out the values
  108. 			tmp = [];
  109. 		}
  110. 		parts.u = tmp[1] || "";
  111. 		parts.user = tmp[1] ? root + "/" + tmp[1] : "";
  112. 		// repo name
  113. 		parts.r = tmp[2] || "";
  114. 		parts.repo = tmp[1] && tmp[2] ? parts.user + "/" + tmp[2] : "";
  115. 		// tab?
  116. 		parts.t = tmp[3] || "";
  117. 		parts.tab = tmp[3] ? parts.repo + "/" + tmp[3] : "";
  118. 		if (parts.t === "issues") {
  119. 			// issue number
  120. 			parts.issue = tmp[4] || "";
  121. 		}
  122. 		// forked from
  123. 		tmp = $(".repohead .fork-flag a");
  124. 		parts.upstream = tmp ? tmp.getAttribute("href") : "";
  125. 		// current page
  126. 		if (loc.search.match(/[&?]q=/)) {
  127. 			tmp = loc.search.match(/[&?]p=(\d+)/);
  128. 			parts.page = tmp ? tmp[1] || "1" : "1";
  129. 		}
  130. 		return parts;
  131. 	}
  132.  
  133. 	// pass true to initialize; false to remove everything
  134. 	function checkScope() {
  135. 		removeElms($("body"), ".ghch-link");
  136. 		const parts = getUrlParts();
  137. 		Object.keys(data).forEach(key => {
  138. 			const url = fixUrl(parts, key === "all" ? "{root}" : key);
  139. 			if (window.location.href.indexOf(url) > -1) {
  140. 				debug("Checking custom hotkeys for " + key);
  141. 				addHotkeys(parts, url, data[key]);
  142. 			}
  143. 		});
  144. 	}
  145.  
  146. 	function fixUrl(parts, url) {
  147. 		let valid = true; // use true in case a full URL is used
  148. 		url = url
  149. 			// allow {issues+#} to go inc or desc
  150. 			.replace(/\{issue([\-+]\d+)?\}/, (s, n) => {
  151. 				const val = n ? parseInt(parts.issue || "", 10) + parseInt(n, 10) : "";
  152. 				valid = val !== "" && val > 0;
  153. 				return valid ? parts.tab + "/" + val : "";
  154. 			})
  155. 			// allow {page+#} to change results page
  156. 			.replace(/\{page([\-+]\d+)?\}/, (s, n) => {
  157. 				const loc = window.location,
  158. 					val = n ? parseInt(parts.page || "", 10) + parseInt(n, 10) : "";
  159. 				let search;
  160. 				valid = val !== "" && val > 0;
  161. 				if (valid) {
  162. 					search = loc.origin + loc.pathname;
  163. 					if (loc.search.match(/[&?]p?=\d+/)) {
  164. 						search += loc.search.replace(/([&?]p=)\d+/, (s, n) => {
  165. 							return n + val;
  166. 						});
  167. 					} else {
  168. 						// started on page 1 (no &p=1) available to replace
  169. 						search += loc.search + "&p=" + val;
  170. 					}
  171. 				}
  172. 				return valid ? search : "";
  173. 			})
  174. 			// replace placeholders
  175. 			.replace(/\{\w+\}/gi, matches => {
  176. 				const val = parts[matches.replace(/[{}]/g, "")] || "";
  177. 				valid = val !== "";
  178. 				return val;
  179. 			});
  180. 		return valid ? url : "";
  181. 	}
  182.  
  183. 	function removeElms(src, selector) {
  184. 		const links = $$(selector, src);
  185. 		let len = links.length;
  186. 		while (len--) {
  187. 			src.removeChild(links[len]);
  188. 		}
  189. 	}
  190.  
  191. 	function addHotkeys(parts, scope, hotkeys) {
  192. 		// Shhh, don't tell anyone, but GitHub checks the data-hotkey attribute
  193. 		// of any link on the page, so we only need to add dummy links :P
  194. 		let indx, url, key, link;
  195. 		const len = hotkeys.length,
  196. 			body = $("body");
  197. 		for (indx = 0; indx < len; indx++) {
  198. 			key = Object.keys(hotkeys[indx])[0];
  199. 			url = fixUrl(parts, hotkeys[indx][key]);
  200. 			if (url) {
  201. 				link = document.createElement("a");
  202. 				link.className = "ghch-link";
  203. 				link.href = url;
  204. 				link.setAttribute("data-hotkey", key);
  205. 				body.appendChild(link);
  206. 				debug("Adding '" + key + "' keyboard hotkey linked to: " + url);
  207. 			}
  208. 		}
  209. 	}
  210.  
  211. 	function addHotkey(el) {
  212. 		const li = document.createElement("li");
  213. 		li.className = "ghch-hotkey-set";
  214. 		li.innerHTML = templates.hotkey + templates.remove;
  215. 		el.parentNode.insertBefore(li, el);
  216. 		return li;
  217. 	}
  218.  
  219. 	function addScope(el) {
  220. 		const scope = document.createElement("fieldset");
  221. 		scope.className = "ghch-scope-custom";
  222. 		scope.innerHTML = `
  223. 			<legend>
  224. 				<span class="simple-box" contenteditable>Enter Scope</span>&nbsp;
  225. 				${templates.remove}
  226. 			</legend>
  227. 			${templates.scope}
  228. 		`;
  229. 		el.parentNode.insertBefore(scope, el);
  230. 		return scope;
  231. 	}
  232.  
  233. 	function addMenu() {
  234. 		GM_addStyle(`
  235. 			#ghch-open-menu { cursor:pointer; }
  236. 			#ghch-menu { position:fixed; z-index: 65535; top:0; bottom:0; left:0; right:0; opacity:0; visibility:hidden; }
  237. 			#ghch-menu.ghch-open { opacity:1; visibility:visible; background:rgba(0,0,0,.5); }
  238. 			#ghch-settings-inner { position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); width:25rem; box-shadow:0 .5rem 1rem #111; }
  239. 			#ghch-settings-inner h3 .btn { float:right; font-size:.8em; padding:0 6px 2px 6px; margin-left:3px; }
  240. 			.ghch-remove, .ghch-remove svg, #ghch-settings-inner .ghch-close svg { vertical-align:middle; cursor:pointer; }
  241. 			.ghch-menu-inner { max-height:60vh; overflow-y:auto; }
  242. 			.ghch-menu-inner ul { list-style:none; }
  243. 			.ghch-menu-inner li { margin-bottom:4px; }
  244. 			.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; }
  245. 			.ghch-scope-add, .ghch-hotkey-add { border:2px dashed #555; border-radius:4px; opacity:0.6; text-align:center; cursor:pointer; margin-top:10px; }
  246. 			.ghch-scope-add:hover, .ghch-hotkey-add:hover { opacity:1;  }
  247. 			.ghch-menu-inner legend span { padding:0 6px; min-width:30px; border:0; }
  248. 			.ghch-hotkey { width:60px; }
  249. 			.ghch-menu-inner li .ghch-remove { margin-left:10px; }
  250. 			.ghch-menu-inner li .ghch-remove:hover, .ghch-menu-inner legend .ghch-remove:hover { color:#800; }
  251. 			.ghch-json-code { display:none; font-family:Menlo, Inconsolata, 'Droid Mono', monospace; font-size:1em; }
  252. 			.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; }
  253. 		`);
  254.  
  255. 		// add menu
  256. 		let menu = document.createElement("div");
  257. 		menu.id = "ghch-menu";
  258. 		menu.innerHTML = `
  259. 			<div id="ghch-settings-inner" class="boxed-group">
  260. 				<h3>
  261. 					GitHub Custom Hotkey Settings
  262. 					<button type="button" class="btn btn-sm ghch-close tooltipped tooltipped-n" aria-label="Close";>
  263. 						${templates.remove}
  264. 					</button>
  265. 					<button type="button" class="ghch-code btn btn-sm tooltipped tooltipped-n" aria-label="Toggle JSON data view">{ }</button>
  266. 					<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>
  267. 				</h3>
  268. 				<div class="ghch-menu-inner boxed-group-inner">
  269. 					<fieldset class="ghch-scope-all">
  270. 						<legend>
  271. 							<span class="simple-box" data-scope="all">All of GitHub &amp; subdomains</span>
  272. 						</legend>
  273. 						${templates.scope}
  274. 					</fieldset>
  275. 					<div class="ghch-scope-add">+ Click to add a new scope</div>
  276. 					<textarea class="ghch-json-code"></textarea>
  277. 				</div>
  278. 			</div>
  279. 		`;
  280. 		$("body").appendChild(menu);
  281. 		// Create our menu entry
  282. 		menu = document.createElement("a");
  283. 		menu.id = "ghch-open-menu";
  284. 		menu.className = "dropdown-item";
  285. 		menu.innerHTML = "GitHub Hotkey Settings";
  286.  
  287. 		const els = $$(`
  288. 			.header .dropdown-item[href="/settings/profile"],
  289. 			.header .dropdown-item[data-ga-click*="go to profile"]
  290. 		`);
  291. 		if (els.length) {
  292. 			els[els.length - 1].parentNode.insertBefore(menu, els[els.length - 1].nextSibling);
  293. 		}
  294. 		addBindings();
  295. 	}
  296.  
  297. 	function openPanel() {
  298. 		updateMenu();
  299. 		$("#ghch-menu").classList.add("ghch-open");
  300. 		return false;
  301. 	}
  302.  
  303. 	function closePanel() {
  304. 		const menu = $("#ghch-menu");
  305. 		if (menu.classList.contains("ghch-open")) {
  306. 			// update data in case a "change" event didn't fire
  307. 			refreshData();
  308. 			checkScope();
  309. 			menu.classList.remove("ghch-open");
  310. 			$(".ghch-json-code", menu).classList.remove("ghch-open");
  311. 			window.location.hash = "";
  312. 			return false;
  313. 		}
  314. 	}
  315.  
  316. 	function addJSON() {
  317. 		const textarea = $(".ghch-json-code");
  318. 		textarea.value = JSON
  319. 			.stringify(data, null, 2)
  320. 			// compress JSON a little
  321. 			.replace(/\n\s{4}\}/g, " }")
  322. 			.replace(/\{\n\s{6}/g, "{ ");
  323. 	}
  324.  
  325. 	function processJSON() {
  326. 		let val;
  327. 		const textarea = $(".ghch-json-code");
  328. 		try {
  329. 			val = JSON.parse(textarea.value);
  330. 			data = val;
  331. 		} catch (err) {}
  332. 	}
  333.  
  334. 	function updateMenu() {
  335. 		const menu = $(".ghch-menu-inner");
  336. 		removeElms(menu, ".ghch-scope-custom");
  337. 		removeElms($(".ghch-scope-all ul", menu), ".ghch-hotkey-set");
  338. 		let scope, selector;
  339. 		// Add scopes
  340. 		Object.keys(data).forEach(key => {
  341. 			if (key === "all") {
  342. 				selector = "all";
  343. 				scope = $(".ghch-scope-all .ghch-hotkey-add", menu);
  344. 			} else if (key !== selector) {
  345. 				selector = key;
  346. 				scope = addScope($(".ghch-scope-add"));
  347. 				$("legend span", scope).innerHTML = key;
  348. 				scope = $(".ghch-hotkey-add", scope);
  349. 			}
  350. 			// add hotkey entries
  351. 			// eslint-disable-next-line no-loop-func
  352. 			data[key].forEach(val => {
  353. 				const target = addHotkey(scope),
  354. 					tmp = Object.keys(val)[0];
  355. 				$(".ghch-hotkey", target).value = tmp;
  356. 				$(".ghch-url", target).value = val[tmp];
  357. 			});
  358. 		});
  359. 	}
  360.  
  361. 	function refreshData() {
  362. 		data = {};
  363. 		let tmp, scope, sIndx, hotkeys, scIndx, scLen, val;
  364. 		const menu = $(".ghch-menu-inner"),
  365. 			scopes = $$("fieldset", menu),
  366. 			sLen = scopes.length;
  367. 		for (sIndx = 0; sIndx < sLen; sIndx++) {
  368. 			tmp = $("legend span", scopes[sIndx]);
  369. 			if (tmp) {
  370. 				scope = tmp.getAttribute("data-scope") || tmp.textContent.trim();
  371. 				hotkeys = $$(".ghch-hotkey-set", scopes[sIndx]);
  372. 				scLen = hotkeys.length;
  373. 				data[scope] = [];
  374. 				for (scIndx = 0; scIndx < scLen; scIndx++) {
  375. 					tmp = $$("input", hotkeys[scIndx]);
  376. 					val = (tmp[0] && tmp[0].value) || "";
  377. 					if (val) {
  378. 						data[scope][scIndx] = {};
  379. 						data[scope][scIndx][val] = tmp[1].value || "";
  380. 					}
  381. 				}
  382. 			}
  383. 		}
  384. 		GM_setValue("github-hotkeys", data);
  385. 		debug("Data refreshed", data);
  386. 	}
  387.  
  388. 	function addBindings() {
  389. 		let tmp;
  390. 		const menu = $("#ghch-menu");
  391.  
  392. 		// open menu
  393. 		on($("#ghch-open-menu"), "click", openPanel);
  394. 		// close menu
  395. 		on(menu, "click", closePanel);
  396. 		on($("body"), "keydown", event => {
  397. 			if (event.which === 27) {
  398. 				closePanel();
  399. 			}
  400. 		});
  401. 		// stop propagation
  402. 		on($("#ghch-settings-inner", menu), "keydown", event => {
  403. 			event.stopPropagation();
  404. 		});
  405. 		on($("#ghch-settings-inner", menu), "click", event => {
  406. 			event.stopPropagation();
  407. 			let target = event.target;
  408. 			// add hotkey
  409. 			if (target.classList.contains("ghch-hotkey-add")) {
  410. 				addHotkey(target);
  411. 			} else if (target.classList.contains("ghch-scope-add")) {
  412. 				addScope(target);
  413. 			}
  414. 			// svg & path nodeName may be lowercase
  415. 			tmp = target.nodeName.toLowerCase();
  416. 			if (tmp === "path") {
  417. 				target = target.parentNode;
  418. 			}
  419. 			// target should now point at svg
  420. 			if (target.classList.contains("ghch-remove")) {
  421. 				tmp = target.parentNode;
  422. 				// remove fieldset
  423. 				if (tmp.nodeName === "LEGEND") {
  424. 					tmp = tmp.parentNode;
  425. 				}
  426. 				// remove li; but not the button in the header
  427. 				if (tmp.nodeName !== "BUTTON") {
  428. 					tmp.parentNode.removeChild(tmp);
  429. 					refreshData();
  430. 				}
  431. 			}
  432. 		});
  433. 		on(menu, "change", refreshData);
  434. 		// contenteditable scope title
  435. 		on(menu, "input", event => {
  436. 			if (event.target.classList.contains("simple-box")) {
  437. 				refreshData();
  438. 			}
  439. 		});
  440. 		on($("button.ghch-close", menu), "click", closePanel);
  441. 		// open JSON code textarea
  442. 		on($(".ghch-code", menu), "click", () => {
  443. 			$(".ghch-json-code", menu).classList.toggle("ghch-open");
  444. 			addJSON();
  445. 		});
  446. 		// close JSON code textarea
  447. 		tmp = $(".ghch-json-code", menu);
  448. 		on(tmp, "focus", () => {
  449. 			this.select();
  450. 		});
  451. 		on(tmp, "paste", () => {
  452. 			setTimeout(() => {
  453. 				processJSON();
  454. 				updateMenu();
  455. 				$(".ghch-json-code").classList.remove("ghch-open");
  456. 			}, 200);
  457. 		});
  458.  
  459. 		// This is crazy! But window.location.search changes do not fire the
  460. 		// "popstate" or "hashchange" event, so we're stuck with a setInterval
  461. 		setInterval(() => {
  462. 			const loc = window.location;
  463. 			if (lastHref !== loc.href) {
  464. 				lastHref = loc.href;
  465. 				checkScope();
  466. 				// open panel via hash
  467. 				if (loc.hash === openHash) {
  468. 					openPanel();
  469. 				}
  470. 			}
  471. 		}, 1000);
  472. 	}
  473.  
  474. 	function $(str, el) {
  475. 		return (el || document).querySelector(str);
  476. 	}
  477.  
  478. 	function $$(str, el) {
  479. 		return Array.from((el || document).querySelectorAll(str));
  480. 	}
  481.  
  482. 	function on(els, name, callback) {
  483. 		els = Array.isArray(els) ? els : [els];
  484. 		const events = name.split(/\s+/);
  485. 		els.forEach(el => {
  486. 			if (el) {
  487. 				events.forEach(ev => {
  488. 					el.addEventListener(ev, callback);
  489. 				});
  490. 			}
  491. 		});
  492. 	}
  493.  
  494. 	// include a "debug" anywhere in the browser URL (search parameter) to enable debugging
  495. 	function debug() {
  496. 		if (/debug/.test(window.location.search)) {
  497. 			console.log.apply(console, arguments);
  498. 		}
  499. 	}
  500.  
  501. 	// initialize
  502. 	checkScope();
  503. 	addMenu();
  504. })();