☰

Github Comment Enhancer

Enhances Github comments

目前为 2015-09-11 提交的版本。查看 最新版本。

  1. // ==UserScript==
  2. // @id          Github_Comment_Enhancer@https://github.com/jerone/UserScripts
  3. // @name        Github Comment Enhancer
  4. // @namespace   https://github.com/jerone/UserScripts
  5. // @description Enhances Github comments
  6. // @author      jerone
  7. // @copyright   2014+, jerone (http://jeroenvanwarmerdam.nl)
  8. // @license     GNU GPLv3
  9. // @homepage    https://github.com/jerone/UserScripts/tree/master/Github_Comment_Enhancer
  10. // @homepageURL https://github.com/jerone/UserScripts/tree/master/Github_Comment_Enhancer
  11. // @supportURL  https://github.com/jerone/UserScripts/issues
  12. // @contributionURL https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VCYMHWQ7ZMBKW
  13. // @version     2.5.1
  14. // @grant       none
  15. // @run-at      document-end
  16. // @include     https://github.com/*
  17. // @include     https://gist.github.com/*
  18. // ==/UserScript==
  19. /* global unsafeWindow */
  20.  
  21. (function(unsafeWindow) {
  22.  
  23. 	String.format = function(string) {
  24. 		var args = Array.prototype.slice.call(arguments, 1, arguments.length);
  25. 		return string.replace(/{(\d+)}/g, function(match, number) {
  26. 			return typeof args[number] !== "undefined" ? args[number] : match;
  27. 		});
  28. 	};
  29.  
  30. 	// Choose the character that precedes the list;
  31. 	var listCharacter = ["*", "-", "+"][0];
  32.  
  33. 	// Choose the characters that makes up a horizontal line;
  34. 	var lineCharacter = ["***", "---", "___"][0];
  35.  
  36. 	// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/langs/markdown.js
  37. 	var MarkDown = (function MarkDown() {
  38. 		return {
  39. 			"function-bold": {
  40. 				search: /^(\s*)([\s\S]*?)(\s*)$/g,
  41. 				replace: "$1**$2**$3",
  42. 				shortcut: "ctrl+b"
  43. 			},
  44. 			"function-italic": {
  45. 				search: /^(\s*)([\s\S]*?)(\s*)$/g,
  46. 				replace: "$1_$2_$3",
  47. 				shortcut: "ctrl+i"
  48. 			},
  49. 			"function-underline": {
  50. 				search: /^(\s*)([\s\S]*?)(\s*)$/g,
  51. 				replace: "$1<ins>$2</ins>$3",
  52. 				shortcut: "ctrl+u"
  53. 			},
  54. 			"function-strikethrough": {
  55. 				search: /^(\s*)([\s\S]*?)(\s*)$/g,
  56. 				replace: "$1~~$2~~$3",
  57. 				shortcut: "ctrl+s"
  58. 			},
  59.  
  60. 			"function-h1": {
  61. 				search: /(.+)([\n]?)/g,
  62. 				replace: "# $1$2",
  63. 				forceNewline: true,
  64. 				shortcut: "ctrl+1"
  65. 			},
  66. 			"function-h2": {
  67. 				search: /(.+)([\n]?)/g,
  68. 				replace: "## $1$2",
  69. 				forceNewline: true,
  70. 				shortcut: "ctrl+2"
  71. 			},
  72. 			"function-h3": {
  73. 				search: /(.+)([\n]?)/g,
  74. 				replace: "### $1$2",
  75. 				forceNewline: true,
  76. 				shortcut: "ctrl+3"
  77. 			},
  78. 			"function-h4": {
  79. 				search: /(.+)([\n]?)/g,
  80. 				replace: "#### $1$2",
  81. 				forceNewline: true,
  82. 				shortcut: "ctrl+4"
  83. 			},
  84. 			"function-h5": {
  85. 				search: /(.+)([\n]?)/g,
  86. 				replace: "##### $1$2",
  87. 				forceNewline: true,
  88. 				shortcut: "ctrl+5"
  89. 			},
  90. 			"function-h6": {
  91. 				search: /(.+)([\n]?)/g,
  92. 				replace: "###### $1$2",
  93. 				forceNewline: true,
  94. 				shortcut: "ctrl+6"
  95. 			},
  96.  
  97. 			"function-link": {
  98. 				exec: function(button, selText, commentForm, next) {
  99. 					var selTxt = selText.trim(),
  100. 						isUrl = selTxt && /(?:https?:\/\/)|(?:www\.)/.test(selTxt),
  101. 						href = window.prompt("Link href:", isUrl ? selTxt : ""),
  102. 						text = window.prompt("Link text:", isUrl ? "" : selTxt);
  103. 					if (href) {
  104. 						next(String.format("[{0}]({1}){2}", text || href, href, (/\s+$/.test(selText) ? " " : "")));
  105. 					}
  106. 				},
  107. 				shortcut: "ctrl+l"
  108. 			},
  109. 			"function-image": {
  110. 				exec: function(button, selText, commentForm, next) {
  111. 					var selTxt = selText.trim(),
  112. 						isUrl = selTxt && /(?:https?:\/\/)|(?:www\.)/.test(selTxt),
  113. 						href = window.prompt("Image href:", isUrl ? selTxt : ""),
  114. 						text = window.prompt("Image text:", isUrl ? "" : selTxt);
  115. 					if (href) {
  116. 						next(String.format("![{0}]({1}){2}", text || href, href, (/\s+$/.test(selText) ? " " : "")));
  117. 					}
  118. 				},
  119. 				shortcut: "ctrl+g"
  120. 			},
  121.  
  122. 			"function-ul": {
  123. 				search: /(.+)([\n]?)/g,
  124. 				replace: String.format("{0} $1$2", listCharacter),
  125. 				forceNewline: true,
  126. 				shortcut: "alt+ctrl+u"
  127. 			},
  128. 			"function-ol": {
  129. 				exec: function(button, selText, commentForm, next) {
  130. 					var repText = "";
  131. 					if (!selText) {
  132. 						repText = "1. ";
  133. 					} else {
  134. 						var lines = selText.split("\n"),
  135. 							hasContent = /[\w]+/;
  136. 						for (var i = 0; i < lines.length; i++) {
  137. 							if (hasContent.test(lines[i])) {
  138. 								repText += String.format("{0}. {1}\n", i + 1, lines[i]);
  139. 							}
  140. 						}
  141. 					}
  142. 					next(repText);
  143. 				},
  144. 				shortcut: "alt+ctrl+o"
  145. 			},
  146. 			"function-checklist": {
  147. 				search: /(.+)([\n]?)/g,
  148. 				replace: String.format("{0} [ ] $1$2", listCharacter),
  149. 				forceNewline: true,
  150. 				shortcut: "alt+ctrl+t"
  151. 			},
  152.  
  153. 			"function-code": {
  154. 				exec: function(button, selText, commentForm, next) {
  155. 					var rt = selText.indexOf("\n") > -1 ? "$1\n```\n$2\n```$3" : "$1`$2`$3";
  156. 					next(selText.replace(/^(\s*)([\s\S]*?)(\s*)$/g, rt));
  157. 				},
  158. 				shortcut: "ctrl+k"
  159. 			},
  160. 			"function-blockquote": {
  161. 				search: /(.+)([\n]?)/g,
  162. 				replace: "> $1$2",
  163. 				forceNewline: true,
  164. 				shortcut: "ctrl+q"
  165. 			},
  166. 			"function-rule": {
  167. 				append: String.format("\n{0}\n", lineCharacter),
  168. 				forceNewline: true,
  169. 				shortcut: "ctrl+r"
  170. 			},
  171. 			"function-table": {
  172. 				append: "\n" +
  173. 					"| Head | Head   | Head  |\n" +
  174. 					"| :--- | :----: | ----: |\n" +
  175. 					"| Cell | Cell   | Cell  |\n" +
  176. 					"| Left | Center | Right |\n",
  177. 				forceNewline: true,
  178. 				shortcut: "alt+shift+t"
  179. 			},
  180.  
  181. 			"function-clear": {
  182. 				exec: function(button, selText, commentForm, next) {
  183. 					commentForm.value = "";
  184. 					next("");
  185. 				},
  186. 				shortcut: "alt+ctrl+x"
  187. 			},
  188.  
  189. 			"function-snippets-tab": {
  190. 				exec: function(button, selText, commentForm, next) {
  191. 					next("\t");
  192. 				}
  193. 			},
  194. 			"function-snippets-useragent": {
  195. 				exec: function(button, selText, commentForm, next) {
  196. 					next("`" + navigator.userAgent + "`");
  197. 				}
  198. 			},
  199. 			"function-snippets-contributing": {
  200. 				exec: function(button, selText, commentForm, next) {
  201. 					next("Please, always consider reviewing the [guidelines for contributing](../blob/master/CONTRIBUTING.md) to this repository.");
  202. 				}
  203. 			},
  204.  
  205. 			"function-emoji": {
  206. 				exec: function(button, selText, commentForm, next) {
  207. 					next(":" + button.dataset.value + ":");
  208. 				}
  209. 			}
  210. 		};
  211. 	})();
  212.  
  213. 	var editorHTML = (function editorHTML() {
  214. 		return '<div id="gollum-editor-function-buttons" style="float: left;">' +
  215. 			'	<div class="button-group btn-group">' +
  216. 			'		<a href="#" id="function-bold" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Bold (ctrl+b)" style="height:26px;">' +
  217. 			'			<b style="font-weight: bolder;">B</b>' +
  218. 			'		</a>' +
  219. 			'		<a href="#" id="function-italic" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Italic (ctrl+i)">' +
  220. 			'			<em>i</em>' +
  221. 			'		</a>' +
  222. 			'		<a href="#" id="function-underline" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Underline (ctrl+u)">' +
  223. 			'			<ins>U</ins>' +
  224. 			'		</a>' +
  225. 			'		<a href="#" id="function-strikethrough" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Strikethrough (ctrl+s)">' +
  226. 			'			<s>S</s>' +
  227. 			'		</a>' +
  228. 			'	</div>' +
  229.  
  230. 			'	<div class="button-group btn-group">' +
  231. 			'		<div class="select-menu js-menu-container js-select-menu tooltipped tooltipped-ne" aria-label="Headers">' +
  232. 			'			<span class="btn btn-sm minibutton select-menu-button icon-only js-menu-target" aria-label="Headers" style="padding-left:7px; padding-right:7px; width:auto; border-bottom-right-radius:3px; border-top-right-radius:3px;">' +
  233. 			'		<span class="js-select-button">h#</span>' +
  234. 			'			</span>' +
  235. 			'			<div class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container" style="top: 26px;">' +
  236. 			'				<div class="select-menu-modal" style="width:auto; overflow:visible;">' +
  237. 			'					<div class="select-menu-header">' +
  238. 			'						<span class="select-menu-title">Choose header</span>' +
  239. 			'						<span class="octicon octicon-remove-close js-menu-close"></span>' +
  240. 			'					</div>' +
  241. 			'					<div class="button-group btn-group">' +
  242. 			'						<a href="#" id="function-h1" class="btn btn-sm minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 1 (ctrl+1)">' +
  243. 			'							<b class="select-menu-item-text js-select-button-text">h1</b>' +
  244. 			'						</a>' +
  245. 			'						<a href="#" id="function-h2" class="btn btn-sm minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 2 (ctrl+2)">' +
  246. 			'							<b class="select-menu-item-text js-select-button-text">h2</b>' +
  247. 			'						</a>' +
  248. 			'						<a href="#" id="function-h3" class="btn btn-sm minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 3 (ctrl+3)">' +
  249. 			'							<b class="select-menu-item-text js-select-button-text">h3</b>' +
  250. 			'						</a>' +
  251. 			'						<a href="#" id="function-h4" class="btn btn-sm minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 4 (ctrl+4)">' +
  252. 			'							<b class="select-menu-item-text js-select-button-text">h4</b>' +
  253. 			'						</a>' +
  254. 			'						<a href="#" id="function-h5" class="btn btn-sm minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 5 (ctrl+5)">' +
  255. 			'							<b class="select-menu-item-text js-select-button-text">h5</b>' +
  256. 			'						</a>' +
  257. 			'						<a href="#" id="function-h6" class="btn btn-sm minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 6 (ctrl+6)">' +
  258. 			'							<b class="select-menu-item-text js-select-button-text">h6</b>' +
  259. 			'						</a>' +
  260. 			'					</div>' +
  261. 			'				</div>' +
  262. 			'			</div>' +
  263. 			'		</div>' +
  264. 			'	</div>' +
  265.  
  266. 			'	<div class="button-group btn-group">' +
  267. 			'		<a href="#" id="function-link" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Link (ctrl+l)">' +
  268. 			'			<span class="octicon octicon-link"></span>' +
  269. 			'		</a>' +
  270. 			'		<a href="#" id="function-image" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Image (ctrl+g)">' +
  271. 			'			<span class="octicon octicon-file-media"></span>' +
  272. 			'		</a>' +
  273. 			'	</div>' +
  274. 			'	<div class="button-group btn-group">' +
  275. 			'		<a href="#" id="function-ul" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Unordered List (alt+ctrl+u)">' +
  276. 			'			<span class="octicon octicon-list-unordered"></span>' +
  277. 			'		</a>' +
  278. 			'		<a href="#" id="function-ol" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Ordered List (alt+ctrl+o)">' +
  279. 			'			<span class="octicon octicon-list-ordered"></span>' +
  280. 			'		</a>' +
  281. 			'		<a href="#" id="function-checklist" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Task List (alt+ctrl+t)">' +
  282. 			'			<span class="octicon octicon-checklist"></span>' +
  283. 			'		</a>' +
  284. 			'	</div>' +
  285.  
  286. 			'	<div class="button-group btn-group">' +
  287. 			'		<a href="#" id="function-code" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Code (ctrl+k)">' +
  288. 			'			<span class="octicon octicon-code"></span>' +
  289. 			'		</a>' +
  290. 			'		<a href="#" id="function-blockquote" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Blockquote (ctrl+q)">' +
  291. 			'			<span class="octicon octicon-quote"></span>' +
  292. 			'		</a>' +
  293. 			'		<a href="#" id="function-rule" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Horizontal Rule (ctrl+r)">' +
  294. 			'			<span class="octicon octicon-horizontal-rule"></span>' +
  295. 			'		</a>' +
  296. 			'		<a href="#" id="function-table" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Table (alt+shift+t)">' +
  297. 			'			<span class="octicon octicon-three-bars"></span>' +
  298. 			'		</a>' +
  299. 			'	</div>' +
  300.  
  301. 			'	<div class="button-group btn-group">' +
  302. 			'		<div class="select-menu js-menu-container js-select-menu tooltipped tooltipped-ne" aria-label="Snippets">' +
  303. 			'			<span class="btn btn-sm minibutton select-menu-button js-menu-target" aria-label="Snippets" style="padding-left:7px; padding-right:7px; width:auto; border-bottom-right-radius:3px; border-top-right-radius:3px;">' +
  304. 			'				<span class="octicon octicon-pin"></span>' +
  305. 			'			</span>' +
  306. 			'			<div class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container">' +
  307. 			'				<div class="select-menu-modal" style="overflow:visible;">' +
  308. 			'					<div class="select-menu-header">' +
  309. 			'						<span class="select-menu-title">Snippets</span>' +
  310. 			'						<span class="octicon octicon-remove-close js-menu-close"></span>' +
  311. 			'					</div>' +
  312. 			'					<div class="select-menu-filters">' +
  313. 			'						<div class="select-menu-text-filter">' +
  314. 			'							<input type="text" placeholder="Filter snippets..." class="js-filterable-field js-navigation-enable" id="context-snippets-filter-field">' +
  315. 			'						</div>' +
  316. 			'					</div>' +
  317. 			'					<div class="select-menu-list" style="overflow:visible;">' +
  318. 			'						<div data-filterable-type="substring" data-filterable-for="context-snippets-filter-field">' +
  319. 			'							<a href="#" id="function-snippets-tab" class="function-button select-menu-item js-navigation-item tooltipped tooltipped-w" aria-label="Add tab character" style="table-layout:initial;">' +
  320. 			'								<span class="select-menu-item-text js-select-button-text">Add tab character</span>' +
  321. 			'							</a>' +
  322. 			'							<a href="#" id="function-snippets-useragent" class="function-button select-menu-item js-navigation-item tooltipped tooltipped-w" aria-label="Add UserAgent" style="table-layout:initial;">' +
  323. 			'								<span class="select-menu-item-text js-select-button-text">Add UserAgent</span>' +
  324. 			'							</a>' +
  325. 			'							<a href="#" id="function-snippets-contributing" class="function-button select-menu-item js-navigation-item tooltipped tooltipped-w" aria-label="Add contributing message" style="table-layout:initial;">' +
  326. 			'								<span class="select-menu-item-text">' +
  327. 			'									<span class="js-select-button-text">Contributing</span>' +
  328. 			'									<span class="description">Add contributing message</span>' +
  329. 			'								</span>' +
  330. 			'							</a>' +
  331. 			'						</div>' +
  332. 			'						<div class="select-menu-no-results">Nothing to show</div>' +
  333. 			'					</div>' +
  334. 			'				</div>' +
  335. 			'			</div>' +
  336. 			'		</div>' +
  337. 			'	</div>' +
  338.  
  339. 			'	<div class="button-group btn-group">' +
  340. 			'		<div class="select-menu js-menu-container js-select-menu tooltipped tooltipped-ne" aria-label="Emoji">' +
  341. 			'			<span class="btn btn-sm minibutton select-menu-button js-menu-target" aria-label="Emoji" style="padding-left:7px; padding-right:7px; width:auto; border-bottom-right-radius:3px; border-top-right-radius:3px;">' +
  342. 			'				<span class="octicon octicon-octoface"></span>' +
  343. 			'			</span>' +
  344. 			'			<div class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container">' +
  345. 			'				<div class="select-menu-modal" style="overflow:visible;">' +
  346. 			'					<div class="select-menu-header">' +
  347. 			'						<span class="select-menu-title">Emoji</span>' +
  348. 			'						<span class="octicon octicon-remove-close js-menu-close"></span>' +
  349. 			'					</div>' +
  350. 			'					<div class="select-menu-filters">' +
  351. 			'						<div class="select-menu-text-filter">' +
  352. 			'							<input type="text" placeholder="Filter emoji..." class="js-filterable-field js-navigation-enable" id="context-emoji-filter-field">' +
  353. 			'						</div>' +
  354. 			'					</div>' +
  355. 			'					<div class="suggester select-menu-list" style="overflow:visible;">' +
  356. 			'						<div class="select-menu-no-results">Nothing to show</div>' +
  357. 			'					</div>' +
  358. 			'				</div>' +
  359. 			'			</div>' +
  360. 			'		</div>' +
  361. 			'	</div>' +
  362.  
  363. 			'</div>' +
  364.  
  365. 			'<div style="float:right;">' +
  366. 			'	<a href="#" id="function-clear" class="btn btn-sm minibutton function-button tooltipped tooltipped-nw" aria-label="Clear (alt+ctrl+x)">' +
  367. 			'		<span class="octicon octicon-trashcan"></span>' +
  368. 			'	</a>' +
  369. 			'</div>';
  370. 	})();
  371.  
  372. 	// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/gollum.editor.js#L516
  373. 	function executeAction(definitionObject, commentForm, button) {
  374. 		var txt = commentForm.value,
  375. 			selPos = {
  376. 				start: commentForm.selectionStart,
  377. 				end: commentForm.selectionEnd
  378. 			},
  379. 			selText = txt.substring(selPos.start, selPos.end),
  380. 			repText = selText,
  381. 			reselect = true,
  382. 			cursor = null;
  383.  
  384. 		// execute replacement function;
  385. 		if (definitionObject.exec) {
  386. 			definitionObject.exec(button, selText, commentForm, function(repText) {
  387. 				replaceFieldSelection(commentForm, repText);
  388. 			});
  389. 			return;
  390. 		}
  391.  
  392. 		// execute a search;
  393. 		var searchExp = new RegExp(definitionObject.search || /([^\n]+)/gi);
  394.  
  395. 		// replace text;
  396. 		if (definitionObject.replace) {
  397. 			var rt = definitionObject.replace;
  398. 			repText = repText.replace(searchExp, rt);
  399. 			repText = repText.replace(/\$[\d]/g, "");
  400. 			if (repText === "") {
  401. 				cursor = rt.indexOf("$1");
  402. 				repText = rt.replace(/\$[\d]/g, "");
  403. 				if (cursor === -1) {
  404. 					cursor = Math.floor(rt.length / 2);
  405. 				}
  406. 			}
  407. 		}
  408.  
  409. 		// append if necessary;
  410. 		if (definitionObject.append) {
  411. 			if (repText === selText) {
  412. 				reselect = false;
  413. 			}
  414. 			repText += definitionObject.append;
  415. 		}
  416.  
  417. 		if (repText) {
  418. 			if (definitionObject.forceNewline === true && (selPos.start > 0 && txt.substr(Math.max(0, selPos.start - 1), 1) !== "\n")) {
  419. 				repText = "\n" + repText;
  420. 			}
  421. 			replaceFieldSelection(commentForm, repText, reselect, cursor);
  422. 		}
  423. 	}
  424.  
  425. 	// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/gollum.editor.js#L708
  426. 	function replaceFieldSelection(commentForm, replaceText, reselect, cursorOffset) {
  427. 		var txt = commentForm.value,
  428. 			selPos = {
  429. 				start: commentForm.selectionStart,
  430. 				end: commentForm.selectionEnd
  431. 			};
  432.  
  433. 		var selectNew = true;
  434. 		if (reselect === false) {
  435. 			selectNew = false;
  436. 		}
  437.  
  438. 		var scrollTop = null;
  439. 		if (commentForm.scrollTop) {
  440. 			scrollTop = commentForm.scrollTop;
  441. 		}
  442.  
  443. 		commentForm.value = txt.substring(0, selPos.start) + replaceText + txt.substring(selPos.end);
  444. 		commentForm.focus();
  445.  
  446. 		if (selectNew) {
  447. 			if (cursorOffset) {
  448. 				commentForm.setSelectionRange(selPos.start + cursorOffset, selPos.start + cursorOffset);
  449. 			} else {
  450. 				commentForm.setSelectionRange(selPos.start, selPos.start + replaceText.length);
  451. 			}
  452. 		}
  453.  
  454. 		if (scrollTop) {
  455. 			commentForm.scrollTop = scrollTop;
  456. 		}
  457. 	}
  458.  
  459. 	function isWiki() {
  460. 		return /\/wiki\//.test(location.href);
  461. 	}
  462.  
  463. 	function isGist() {
  464. 		return location.host === "gist.github.com";
  465. 	}
  466.  
  467. 	function overrideGollumMarkdown() {
  468. 		unsafeWindow.$.GollumEditor.defineLanguage("markdown", MarkDown);
  469. 	}
  470.  
  471. 	function unbindGollumFunctions() {
  472. 		window.setTimeout(function() {
  473. 			unsafeWindow.$(".function-button:not(#function-help)").unbind("click");
  474. 		}, 1);
  475. 	}
  476.  
  477. 	var functionButtonClick = function(e) {
  478. 		e.preventDefault();
  479. 		executeAction(MarkDown[this.id], this.commentForm, this);
  480. 		return false;
  481. 	};
  482.  
  483. 	var suggestionsCache = {};
  484.  
  485. 	function addSuggestions(commentForm) {
  486. 		var jssuggester = commentForm.parentNode.parentNode.querySelector(".suggester-container .suggester");
  487. 		var url = jssuggester.getAttribute("data-url");
  488.  
  489. 		if (suggestionsCache[url]) {
  490. 			parseSuggestions(commentForm, suggestionsCache[url]);
  491. 		} else {
  492. 			unsafeWindow.$.ajax({
  493. 				url: url,
  494. 				success: function(suggestionsData) {
  495. 					suggestionsCache[url] = suggestionsData;
  496. 					parseSuggestions(commentForm, suggestionsData);
  497. 				}
  498. 			});
  499. 		}
  500. 	}
  501.  
  502. 	function parseSuggestions(commentForm, suggestionsData) {
  503. 		suggestionsData = suggestionsData.replace(/js-navigation-item/g, "function-button js-navigation-item select-menu-item");
  504.  
  505. 		var suggestions = document.createElement("div");
  506. 		suggestions.innerHTML = suggestionsData;
  507.  
  508. 		var emojiSuggestions = suggestions.querySelector(".emoji-suggestions");
  509. 		emojiSuggestions.style.display = "block";
  510. 		emojiSuggestions.dataset.filterableType = "substring";
  511. 		emojiSuggestions.dataset.filterableFor = "context-emoji-filter-field";
  512. 		emojiSuggestions.dataset.filterableLimit = "10";
  513.  
  514. 		var suggester = commentForm.parentNode.parentNode.querySelector(".suggester");
  515. 		suggester.style.display = "block";
  516. 		suggester.style.marginTop = "0";
  517. 		suggester.appendChild(emojiSuggestions);
  518. 		Array.prototype.forEach.call(suggester.querySelectorAll(".function-button"), function(button) {
  519. 			button.addEventListener("click", function(e) {
  520. 				e.preventDefault();
  521. 				executeAction(MarkDown["function-emoji"], commentForm, this);
  522. 				return false;
  523. 			});
  524. 		});
  525. 	}
  526.  
  527. 	function commentFormKeyEvent(commentForm, e) {
  528. 		var keys = [];
  529. 		if (e.altKey) {
  530. 			keys.push('alt');
  531. 		}
  532. 		if (e.ctrlKey) {
  533. 			keys.push('ctrl');
  534. 		}
  535. 		if (e.shiftKey) {
  536. 			keys.push('shift');
  537. 		}
  538. 		keys.push(String.fromCharCode(e.which).toLowerCase());
  539. 		var keyCombination = keys.join('+');
  540.  
  541. 		var action;
  542. 		for (var actionName in MarkDown) {
  543. 			if (MarkDown[actionName].shortcut && MarkDown[actionName].shortcut.toLowerCase() === keyCombination) {
  544. 				action = MarkDown[actionName];
  545. 				break;
  546. 			}
  547. 		}
  548. 		if (action) {
  549. 			e.preventDefault();
  550. 			e.stopPropagation();
  551. 			executeAction(action, commentForm, null);
  552. 			return false;
  553. 		}
  554. 	}
  555.  
  556. 	function addToolbar() {
  557. 		if (isWiki()) {
  558. 			// Override existing language with improved & missing functions and remove existing click events;
  559. 			overrideGollumMarkdown();
  560. 			unbindGollumFunctions();
  561.  
  562. 			// Remove existing click events when changing languages;
  563. 			document.getElementById("wiki_format").addEventListener("change", function() {
  564. 				unbindGollumFunctions();
  565.  
  566. 				Array.prototype.forEach.call(document.querySelectorAll(".comment-form-textarea .function-button"), function(button) {
  567. 					button.removeEventListener("click", functionButtonClick);
  568. 				});
  569. 			});
  570. 		}
  571.  
  572. 		Array.prototype.forEach.call(document.querySelectorAll(".comment-form-textarea,.js-comment-field"), function(commentForm) {
  573. 			var gollumEditor;
  574. 			if (commentForm.classList.contains("GithubCommentEnhancer")) {
  575. 				gollumEditor = commentForm.previousSibling;
  576. 			} else {
  577. 				commentForm.classList.add("GithubCommentEnhancer");
  578.  
  579. 				if (isWiki()) {
  580. 					gollumEditor = document.getElementById("gollum-editor-function-bar");
  581. 					var temp = document.createElement("div");
  582. 					temp.innerHTML = editorHTML;
  583. 					temp.firstElementChild.appendChild(document.getElementById("function-help")); // restore the help button;
  584. 					gollumEditor.replaceChild(temp.querySelector("#gollum-editor-function-buttons"), document.getElementById("gollum-editor-function-buttons"));
  585. 					Array.prototype.forEach.call(temp.children, function(elm) {
  586. 						elm.style.position = "absolute";
  587. 						elm.style.right = "30px";
  588. 						elm.style.top = "0";
  589. 						commentForm.parentNode.insertBefore(elm, commentForm);
  590. 					});
  591. 					temp = null;
  592. 				} else {
  593. 					gollumEditor = document.createElement("div");
  594. 					gollumEditor.innerHTML = editorHTML;
  595. 					gollumEditor.id = "gollum-editor-function-bar";
  596. 					gollumEditor.style.height = "26px";
  597. 					gollumEditor.style.margin = "10px 0";
  598. 					gollumEditor.classList.add("active");
  599. 					commentForm.parentNode.insertBefore(gollumEditor, commentForm);
  600. 				}
  601.  
  602. 				addSuggestions(commentForm);
  603.  
  604. 				var tabnavExtras = commentForm.parentNode.parentNode.querySelector(".comment-form-head .tabnav-right, .comment-form-head .right");
  605. 				if (tabnavExtras) {
  606. 					var elem = commentForm;
  607. 					while ( (elem = elem.parentNode) && elem.nodeType !== 9 && !elem.classList.contains("timeline-inline-comments")) { }
  608. 					var sponsoredText = elem !== document ? " Github Comment Enhancer" : " Enhanced by Github Comment Enhancer";
  609. 					var sponsored = document.createElement("a");
  610. 					sponsored.setAttribute("target", "_blank");
  611. 					sponsored.setAttribute("href", "https://github.com/jerone/UserScripts/tree/master/Github_Comment_Enhancer");
  612. 					sponsored.classList.add("tabnav-widget", "text", "tabnav-extras", "tabnav-extra");
  613. 					var sponsoredIcon = document.createElement("span");
  614. 					sponsoredIcon.classList.add("octicon", "octicon-question");
  615. 					sponsored.appendChild(sponsoredIcon);
  616. 					sponsored.appendChild(document.createTextNode(sponsoredText));
  617. 					tabnavExtras.insertBefore(sponsored, tabnavExtras.firstElementChild);
  618. 				}
  619. 			}
  620.  
  621. 			if (isGist()) {
  622. 				Array.prototype.forEach.call(gollumEditor.parentNode.querySelectorAll(".select-menu-button"), function(button) {
  623. 					button.style.paddingRight = "25px";
  624. 				});
  625. 			}
  626.  
  627. 			Array.prototype.forEach.call(gollumEditor.parentNode.querySelectorAll(".function-button"), function(button) {
  628. 				if (isGist() && button.classList.contains("minibutton")) {
  629. 					button.style.padding = "0px";
  630. 					button.style.textAlign = "center";
  631. 					button.style.width = "30px";
  632. 					button.firstElementChild.style.marginRight = "0px";
  633. 				}
  634. 				button.commentForm = commentForm; // remove event listener doesn't accept `bind`;
  635. 				button.addEventListener("click", functionButtonClick);
  636. 			});
  637.  
  638. 			commentForm.addEventListener('keydown', commentFormKeyEvent.bind(this, commentForm));
  639. 		});
  640. 	}
  641.  
  642. 	/*
  643. 	 * to-markdown - an HTML to Markdown converter
  644. 	 * Copyright 2011, Dom Christie
  645. 	 * Licenced under the MIT licence
  646. 	 * Source: https://github.com/domchristie/to-markdown
  647. 	 *
  648. 	 * Code is altered:
  649. 	 * - Added task list support: https://github.com/domchristie/to-markdown/pull/62
  650. 	 * - He dependecy is removed
  651. 	 */
  652. 	var toMarkdown = function(string) {
  653.  
  654. 		var ELEMENTS = [{
  655. 			patterns: 'p',
  656. 			replacement: function(str, attrs, innerHTML) {
  657. 				return innerHTML ? '\n\n' + innerHTML + '\n' : '';
  658. 			}
  659. 		}, {
  660. 			patterns: 'br',
  661. 			type: 'void',
  662. 			replacement: '  \n'
  663. 		}, {
  664. 			patterns: 'h([1-6])',
  665. 			replacement: function(str, hLevel, attrs, innerHTML) {
  666. 				var hPrefix = '';
  667. 				for (var i = 0; i < hLevel; i++) {
  668. 					hPrefix += '#';
  669. 				}
  670. 				return '\n\n' + hPrefix + ' ' + innerHTML + '\n';
  671. 			}
  672. 		}, {
  673. 			patterns: 'hr',
  674. 			type: 'void',
  675. 			replacement: '\n\n* * *\n'
  676. 		}, {
  677. 			patterns: 'a',
  678. 			replacement: function(str, attrs, innerHTML) {
  679. 				var href = attrs.match(attrRegExp('href')),
  680. 					title = attrs.match(attrRegExp('title'));
  681. 				return href ? '[' + innerHTML + ']' + '(' + href[1] + (title && title[1] ? ' "' + title[1] + '"' : '') + ')' : str;
  682. 			}
  683. 		}, {
  684. 			patterns: ['b', 'strong'],
  685. 			replacement: function(str, attrs, innerHTML) {
  686. 				return innerHTML ? '**' + innerHTML + '**' : '';
  687. 			}
  688. 		}, {
  689. 			patterns: ['i', 'em'],
  690. 			replacement: function(str, attrs, innerHTML) {
  691. 				return innerHTML ? '_' + innerHTML + '_' : '';
  692. 			}
  693. 		}, {
  694. 			patterns: 'code',
  695. 			replacement: function(str, attrs, innerHTML) {
  696. 				return innerHTML ? '`' + innerHTML + '`' : '';
  697. 			}
  698. 		}, {
  699. 			patterns: 'img',
  700. 			type: 'void',
  701. 			replacement: function(str, attrs, innerHTML) {
  702. 				var src = attrs.match(attrRegExp('src')),
  703. 					alt = attrs.match(attrRegExp('alt')),
  704. 					title = attrs.match(attrRegExp('title'));
  705. 				return src ? '![' + (alt && alt[1] ? alt[1] : '') + ']' + '(' + src[1] + (title && title[1] ? ' "' + title[1] + '"' : '') + ')' : '';
  706. 			}
  707. 		}];
  708.  
  709. 		for (var i = 0, len = ELEMENTS.length; i < len; i++) {
  710. 			if (typeof ELEMENTS[i].patterns === 'string') {
  711. 				string = replaceEls(string, {
  712. 					tag: ELEMENTS[i].patterns,
  713. 					replacement: ELEMENTS[i].replacement,
  714. 					type: ELEMENTS[i].type
  715. 				});
  716. 			} else {
  717. 				for (var j = 0, pLen = ELEMENTS[i].patterns.length; j < pLen; j++) {
  718. 					string = replaceEls(string, {
  719. 						tag: ELEMENTS[i].patterns[j],
  720. 						replacement: ELEMENTS[i].replacement,
  721. 						type: ELEMENTS[i].type
  722. 					});
  723. 				}
  724. 			}
  725. 		}
  726.  
  727. 		function replaceEls(html, elProperties) {
  728. 			var pattern = elProperties.type === 'void' ? '<' + elProperties.tag + '\\b([^>]*)\\/?>' : '<' + elProperties.tag + '\\b([^>]*)>([\\s\\S]*?)<\\/' + elProperties.tag + '>',
  729. 				regex = new RegExp(pattern, 'gi'),
  730. 				markdown = '';
  731. 			if (typeof elProperties.replacement === 'string') {
  732. 				markdown = html.replace(regex, elProperties.replacement);
  733. 			} else {
  734. 				markdown = html.replace(regex, function(str, p1, p2, p3) {
  735. 					return elProperties.replacement.call(this, str, p1, p2, p3);
  736. 				});
  737. 			}
  738. 			return markdown;
  739. 		}
  740.  
  741. 		function attrRegExp(attr) {
  742. 			return new RegExp(attr + '\\s*=\\s*["\']?([^"\']*)["\']?', 'i');
  743. 		}
  744.  
  745. 		// Pre code blocks
  746.  
  747. 		string = string.replace(/<pre\b[^>]*>`([\s\S]*?)`<\/pre>/gi, function(str, innerHTML) {
  748. 			var text = innerHTML;
  749. 			text = text.replace(/^\t+/g, '  '); // convert tabs to spaces (you know it makes sense)
  750. 			text = text.replace(/\n/g, '\n    ');
  751. 			return '\n\n    ' + text + '\n';
  752. 		});
  753.  
  754. 		// Lists
  755.  
  756. 		// Escape numbers that could trigger an ol
  757. 		// If there are more than three spaces before the code, it would be in a pre tag
  758. 		// Make sure we are escaping the period not matching any character
  759. 		string = string.replace(/^(\s{0,3}\d+)\. /g, '$1\\. ');
  760.  
  761. 		// Converts lists that have no child lists (of same type) first, then works its way up
  762. 		var noChildrenRegex = /<(ul|ol)\b[^>]*>(?:(?!<ul|<ol)[\s\S])*?<\/\1>/gi;
  763. 		while (string.match(noChildrenRegex)) {
  764. 			string = string.replace(noChildrenRegex, function(str) {
  765. 				return replaceLists(str);
  766. 			});
  767. 		}
  768.  
  769. 		function replaceLists(html) {
  770.  
  771. 			html = html.replace(/<(ul|ol)\b[^>]*>([\s\S]*?)<\/\1>/gi, function(str, listType, innerHTML) {
  772. 				var lis = innerHTML.split('</li>');
  773. 				lis.splice(lis.length - 1, 1);
  774.  
  775. 				for (i = 0, len = lis.length; i < len; i++) {
  776. 					if (lis[i]) {
  777. 						var prefix = (listType === 'ol') ? (i + 1) + ".  " : "*   ";
  778. 						lis[i] = lis[i].replace(/\s*<li[^>]*>([\s\S]*)/i, function(str, innerHTML) {
  779. 							innerHTML = innerHTML.replace(/\s*<input[^>]*?(checked[^>]*)?type=['"]?checkbox['"]?[^>]>/, function(inputStr, checked) {
  780. 								return checked ? '[X]' : '[ ]';
  781. 							});
  782. 							innerHTML = innerHTML.replace(/^\s+/, '');
  783. 							innerHTML = innerHTML.replace(/\n\n/g, '\n\n    ');
  784. 							// indent nested lists
  785. 							innerHTML = innerHTML.replace(/\n([ ]*)+(\*|\d+\.) /g, '\n$1    $2 ');
  786. 							return prefix + innerHTML;
  787. 						});
  788. 					}
  789. 					lis[i] = lis[i].replace(/(.) +$/m, '$1');
  790. 				}
  791. 				return lis.join('\n');
  792. 			});
  793.  
  794. 			return '\n\n' + html.replace(/[ \t]+\n|\s+$/g, '');
  795. 		}
  796.  
  797. 		// Blockquotes
  798. 		var deepest = /<blockquote\b[^>]*>((?:(?!<blockquote)[\s\S])*?)<\/blockquote>/gi;
  799. 		while (string.match(deepest)) {
  800. 			string = string.replace(deepest, function(str) {
  801. 				return replaceBlockquotes(str);
  802. 			});
  803. 		}
  804.  
  805. 		function replaceBlockquotes(html) {
  806. 			html = html.replace(/<blockquote\b[^>]*>([\s\S]*?)<\/blockquote>/gi, function(str, inner) {
  807. 				inner = inner.replace(/^\s+|\s+$/g, '');
  808. 				inner = cleanUp(inner);
  809. 				inner = inner.replace(/^/gm, '> ');
  810. 				inner = inner.replace(/^(>([ \t]{2,}>)+)/gm, '> >');
  811. 				return inner;
  812. 			});
  813. 			return html;
  814. 		}
  815.  
  816. 		function cleanUp(string) {
  817. 			string = string.replace(/^[\t\r\n]+|[\t\r\n]+$/g, ''); // trim leading/trailing whitespace
  818. 			string = string.replace(/\n\s+\n/g, '\n\n');
  819. 			string = string.replace(/\n{3,}/g, '\n\n'); // limit consecutive linebreaks to 2
  820. 			return string;
  821. 		}
  822.  
  823. 		return cleanUp(string);
  824. 	};
  825.  
  826. 	function getCommentTextarea(replyBtn) {
  827. 		var newComment = replyBtn;
  828. 		while (newComment && !newComment.classList.contains('js-quote-selection-container')) {
  829. 			newComment = newComment.parentNode;
  830. 		}
  831. 		if (newComment) {
  832. 			var lastElementChild = newComment.lastElementChild;
  833. 			lastElementChild.classList.add('open');
  834. 			newComment = lastElementChild.querySelector(".comment-form-textarea");
  835. 		} else {
  836. 			newComment = document.querySelector(".timeline-new-comment .comment-form-textarea");
  837. 		}
  838. 		return newComment;
  839. 	}
  840.  
  841. 	function addReplyButtons() {
  842. 		Array.prototype.forEach.call(document.querySelectorAll(".comment"), function(comment) {
  843. 			var oldReply = comment.querySelector(".GithubCommentEnhancerReply");
  844. 			if (oldReply) {
  845. 				oldReply.parentNode.removeChild(oldReply);
  846. 			}
  847.  
  848. 			var header = comment.querySelector(".timeline-comment-header"),
  849. 				actions = comment.querySelector(".timeline-comment-actions");
  850.  
  851. 			if (!header) {
  852. 				return;
  853. 			}
  854. 			if (!actions) {
  855. 				actions = document.createElement("div");
  856. 				actions.classList.add("timeline-comment-actions");
  857. 				header.insertBefore(actions, header.firstElementChild);
  858. 			}
  859.  
  860. 			var reply = document.createElement("a");
  861. 			reply.setAttribute("href", "#");
  862. 			reply.setAttribute("aria-label", "Reply to this comment");
  863. 			reply.classList.add("GithubCommentEnhancerReply", "timeline-comment-action", "tooltipped", "tooltipped-ne");
  864. 			reply.addEventListener("click", function(e) {
  865. 				e.preventDefault();
  866.  
  867. 				var newComment = getCommentTextarea(this);
  868.  
  869. 				var timestamp = comment.querySelector(".timestamp");
  870.  
  871. 				var commentText = comment.querySelector(".comment-form-textarea");
  872. 				if (commentText) {
  873. 					commentText = commentText.value;
  874. 				} else {
  875. 					commentText = toMarkdown(comment.querySelector(".comment-body").innerHTML);
  876. 				}
  877. 				commentText = commentText.trim().split("\n").map(function(line) {
  878. 					return "> " + line;
  879. 				}).join("\n");
  880.  
  881. 				var text = newComment.value.length > 0 ? "\n" : "";
  882. 				text += String.format('[**@{0}**]({1}/{0}) commented on [{2}]({3} "{4} - Replied by Github Comment Enhancer"):\n{5}\n\n',
  883. 					comment.querySelector(".author").textContent,
  884. 					location.origin,
  885. 					timestamp.firstElementChild.getAttribute("title"),
  886. 					timestamp.href,
  887. 					timestamp.firstElementChild.getAttribute("datetime"),
  888. 					commentText);
  889.  
  890. 				newComment.value += text;
  891. 				newComment.setSelectionRange(newComment.value.length, newComment.value.length);
  892. 				newComment.focus();
  893. 			});
  894.  
  895. 			var replyIcon = document.createElement("span");
  896. 			replyIcon.classList.add("octicon", "octicon-mail-reply");
  897. 			reply.appendChild(replyIcon);
  898.  
  899. 			actions.appendChild(reply);
  900. 		});
  901. 	}
  902.  
  903. 	// init;
  904. 	function init() {
  905. 		addToolbar();
  906. 		addReplyButtons();
  907. 	}
  908. 	init();
  909.  
  910. 	// on pjax;
  911. 	unsafeWindow.$(document).on("pjax:end", init); // `pjax:end` also runs on history back;
  912.  
  913. 	// For inline comments on commits;
  914. 	var files = document.querySelectorAll('.diff-table');
  915. 	Array.prototype.forEach.call(files, function(file) {
  916. 		file = file.firstElementChild;
  917. 		new MutationObserver(function(mutations) {
  918. 			mutations.forEach(function(mutation) {
  919. 				if (mutation.target === file) {
  920. 					addToolbar();
  921. 				}
  922. 			});
  923. 		}).observe(file, {
  924. 			childList: true,
  925. 			subtree: true
  926. 		});
  927. 	});
  928.  
  929. })(typeof unsafeWindow !== "undefined" ? unsafeWindow : window);