☰

Github Comment Enhancer

Enhances Github comments

当前为 2015-03-22 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     2.2.0
  14. // @grant       none
  15. // @run-at      document-end
  16. // @include     https://github.com/*/*/issues
  17. // @include     https://github.com/*/*/issues/*
  18. // @include     https://github.com/*/*/pulls
  19. // @include     https://github.com/*/*/pull/*
  20. // @include     https://github.com/*/*/commit/*
  21. // @include     https://github.com/*/*/compare/*
  22. // @include     https://github.com/*/*/wiki/*
  23. // @include     https://gist.github.com/*
  24. // ==/UserScript==
  25. /* global unsafeWindow */
  26.  
  27. (function(unsafeWindow) {
  28.  
  29. 	String.format = function(string) {
  30. 		var args = Array.prototype.slice.call(arguments, 1, arguments.length);
  31. 		return string.replace(/{(\d+)}/g, function(match, number) {
  32. 			return typeof args[number] !== "undefined" ? args[number] : match;
  33. 		});
  34. 	};
  35.  
  36. 	// Choose the character that precedes the list;
  37. 	var listCharacter = ["*", "-", "+"][0];
  38.  
  39. 	// Choose the characters that makes up a horizontal line;
  40. 	var lineCharacter = ["***", "---", "___"][0];
  41.  
  42. 	// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/langs/markdown.js
  43. 	var MarkDown = (function MarkDown() {
  44. 		return {
  45. 			"function-bold": {
  46. 				search: /^(\s*)([\s\S]*?)(\s*)$/g,
  47. 				replace: "$1**$2**$3"
  48. 			},
  49. 			"function-italic": {
  50. 				search: /^(\s*)([\s\S]*?)(\s*)$/g,
  51. 				replace: "$1_$2_$3"
  52. 			},
  53. 			"function-underline": {
  54. 				search: /^(\s*)([\s\S]*?)(\s*)$/g,
  55. 				replace: "$1<ins>$2</ins>$3"
  56. 			},
  57. 			"function-strikethrough": {
  58. 				search: /^(\s*)([\s\S]*?)(\s*)$/g,
  59. 				replace: "$1~~$2~~$3"
  60. 			},
  61.  
  62. 			"function-h1": {
  63. 				search: /(.+)([\n]?)/g,
  64. 				replace: "# $1$2",
  65. 				forceNewline: true
  66. 			},
  67. 			"function-h2": {
  68. 				search: /(.+)([\n]?)/g,
  69. 				replace: "## $1$2",
  70. 				forceNewline: true
  71. 			},
  72. 			"function-h3": {
  73. 				search: /(.+)([\n]?)/g,
  74. 				replace: "### $1$2",
  75. 				forceNewline: true
  76. 			},
  77. 			"function-h4": {
  78. 				search: /(.+)([\n]?)/g,
  79. 				replace: "#### $1$2",
  80. 				forceNewline: true
  81. 			},
  82. 			"function-h5": {
  83. 				search: /(.+)([\n]?)/g,
  84. 				replace: "##### $1$2",
  85. 				forceNewline: true
  86. 			},
  87. 			"function-h6": {
  88. 				search: /(.+)([\n]?)/g,
  89. 				replace: "###### $1$2",
  90. 				forceNewline: true
  91. 			},
  92.  
  93. 			"function-link": {
  94. 				exec: function(button, selText, commentForm, next) {
  95. 					var selTxt = selText.trim(),
  96. 						isUrl = selTxt && /(?:https?:\/\/)|(?:www\.)/.test(selTxt),
  97. 						href = window.prompt("Link href:", isUrl ? selTxt : ""),
  98. 						text = window.prompt("Link text:", isUrl ? "" : selTxt);
  99. 					if (href) {
  100. 						next(String.format("[{0}]({1}){2}", text || href, href, (/\s+$/.test(selText) ? " " : "")));
  101. 					}
  102. 				}
  103. 			},
  104. 			"function-image": {
  105. 				exec: function(button, selText, commentForm, next) {
  106. 					var selTxt = selText.trim(),
  107. 						isUrl = selTxt && /(?:https?:\/\/)|(?:www\.)/.test(selTxt),
  108. 						href = window.prompt("Image href:", isUrl ? selTxt : ""),
  109. 						text = window.prompt("Image text:", isUrl ? "" : selTxt);
  110. 					if (href) {
  111. 						next(String.format("![{0}]({1}){2}", text || href, href, (/\s+$/.test(selText) ? " " : "")));
  112. 					}
  113. 				}
  114. 			},
  115.  
  116. 			"function-ul": {
  117. 				search: /(.+)([\n]?)/g,
  118. 				replace: String.format("{0} $1$2", listCharacter),
  119. 				forceNewline: true
  120. 			},
  121. 			"function-ol": {
  122. 				exec: function(button, selText, commentForm, next) {
  123. 					var repText = "";
  124. 					if (!selText) {
  125. 						repText = "1. ";
  126. 					} else {
  127. 						var lines = selText.split("\n"),
  128. 							hasContent = /[\w]+/;
  129. 						for (var i = 0; i < lines.length; i++) {
  130. 							if (hasContent.test(lines[i])) {
  131. 								repText += String.format("{0}. {1}\n", i + 1, lines[i]);
  132. 							}
  133. 						}
  134. 					}
  135. 					next(repText);
  136. 				}
  137. 			},
  138. 			"function-checklist": {
  139. 				search: /(.+)([\n]?)/g,
  140. 				replace: String.format("{0} [ ] $1$2", listCharacter),
  141. 				forceNewline: true
  142. 			},
  143.  
  144. 			"function-code": {
  145. 				exec: function(button, selText, commentForm, next) {
  146. 					var rt = selText.indexOf("\n") > -1 ? "$1\n```\n$2\n```$3" : "$1`$2`$3";
  147. 					next(selText.replace(/^(\s*)([\s\S]*?)(\s*)$/g, rt));
  148. 				}
  149. 			},
  150. 			"function-blockquote": {
  151. 				search: /(.+)([\n]?)/g,
  152. 				replace: "> $1$2",
  153. 				forceNewline: true
  154. 			},
  155. 			"function-hr": {
  156. 				append: String.format("\n{0}\n", lineCharacter),
  157. 				forceNewline: true
  158. 			},
  159. 			"function-table": {
  160. 				append: "\n" +
  161. 					"| Head | Head   | Head  |\n" +
  162. 					"| :--- | :----: | ----: |\n" +
  163. 					"| Cell | Cell   | Cell  |\n" +
  164. 					"| Left | Center | Right |\n",
  165. 				forceNewline: true
  166. 			},
  167.  
  168. 			"function-clear": {
  169. 				exec: function(button, selText, commentForm, next) {
  170. 					commentForm.value = "";
  171. 					next("");
  172. 				}
  173. 			},
  174.  
  175. 			"function-snippets-tab": {
  176. 				exec: function(button, selText, commentForm, next) {
  177. 					next("\t");
  178. 				}
  179. 			},
  180. 			"function-snippets-useragent": {
  181. 				exec: function(button, selText, commentForm, next) {
  182. 					next("`" + navigator.userAgent + "`");
  183. 				}
  184. 			},
  185. 			"function-snippets-contributing": {
  186. 				exec: function(button, selText, commentForm, next) {
  187. 					next("Please, always consider reviewing the [guidelines for contributing](../blob/master/CONTRIBUTING.md) to this repository.");
  188. 				}
  189. 			},
  190.  
  191. 			"function-emoji": {
  192. 				exec: function(button, selText, commentForm, next) {
  193. 					next(":" + button.dataset.value + ":");
  194. 				}
  195. 			}
  196. 		};
  197. 	})();
  198.  
  199. 	var editorHTML = (function editorHTML() {
  200. 		return '<div id="gollum-editor-function-buttons" style="float: left;">' +
  201. 			'	<div class="button-group btn-group">' +
  202. 			'		<a href="#" id="function-bold" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Bold" style="height:26px;">' +
  203. 			'			<b style="font-weight: bolder;">B</b>' +
  204. 			'		</a>' +
  205. 			'		<a href="#" id="function-italic" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Italic">' +
  206. 			'			<em>i</em>' +
  207. 			'		</a>' +
  208. 			'		<a href="#" id="function-underline" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Underline">' +
  209. 			'			<ins>U</ins>' +
  210. 			'		</a>' +
  211. 			'		<a href="#" id="function-strikethrough" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Strikethrough">' +
  212. 			'			<s>S</s>' +
  213. 			'		</a>' +
  214. 			'	</div>' +
  215.  
  216. 			'	<div class="button-group btn-group">' +
  217. 			'		<div class="select-menu js-menu-container js-select-menu tooltipped tooltipped-ne" aria-label="Headers">' +
  218. 			'			<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;">' +
  219. 			'		<span class="js-select-button">h#</span>' +
  220. 			'			</span>' +
  221. 			'			<div class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container" style="top: 26px;">' +
  222. 			'				<div class="select-menu-modal" style="width:auto; overflow:visible;">' +
  223. 			'					<div class="select-menu-header">' +
  224. 			'						<span class="select-menu-title">Choose header</span>' +
  225. 			'						<span class="octicon octicon-remove-close js-menu-close"></span>' +
  226. 			'					</div>' +
  227. 			'					<div class="button-group btn-group">' +
  228. 			'						<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">' +
  229. 			'							<b class="select-menu-item-text js-select-button-text">h1</b>' +
  230. 			'						</a>' +
  231. 			'						<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">' +
  232. 			'							<b class="select-menu-item-text js-select-button-text">h2</b>' +
  233. 			'						</a>' +
  234. 			'						<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">' +
  235. 			'							<b class="select-menu-item-text js-select-button-text">h3</b>' +
  236. 			'						</a>' +
  237. 			'						<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">' +
  238. 			'							<b class="select-menu-item-text js-select-button-text">h4</b>' +
  239. 			'						</a>' +
  240. 			'						<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">' +
  241. 			'							<b class="select-menu-item-text js-select-button-text">h5</b>' +
  242. 			'						</a>' +
  243. 			'						<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">' +
  244. 			'							<b class="select-menu-item-text js-select-button-text">h6</b>' +
  245. 			'						</a>' +
  246. 			'					</div>' +
  247. 			'				</div>' +
  248. 			'			</div>' +
  249. 			'		</div>' +
  250. 			'	</div>' +
  251.  
  252. 			'	<div class="button-group btn-group">' +
  253. 			'		<a href="#" id="function-link" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Link">' +
  254. 			'			<span class="octicon octicon-link"></span>' +
  255. 			'		</a>' +
  256. 			'		<a href="#" id="function-image" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Image">' +
  257. 			'			<span class="octicon octicon-file-media"></span>' +
  258. 			'		</a>' +
  259. 			'	</div>' +
  260. 			'	<div class="button-group btn-group">' +
  261. 			'		<a href="#" id="function-ul" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Unordered List">' +
  262. 			'			<span class="octicon octicon-list-unordered"></span>' +
  263. 			'		</a>' +
  264. 			'		<a href="#" id="function-ol" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Ordered List">' +
  265. 			'			<span class="octicon octicon-list-ordered"></span>' +
  266. 			'		</a>' +
  267. 			'		<a href="#" id="function-checklist" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Task List">' +
  268. 			'			<span class="octicon octicon-checklist"></span>' +
  269. 			'		</a>' +
  270. 			'	</div>' +
  271.  
  272. 			'	<div class="button-group btn-group">' +
  273. 			'		<a href="#" id="function-code" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Code">' +
  274. 			'			<span class="octicon octicon-code"></span>' +
  275. 			'		</a>' +
  276. 			'		<a href="#" id="function-blockquote" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Blockquote">' +
  277. 			'			<span class="octicon octicon-quote"></span>' +
  278. 			'		</a>' +
  279. 			'		<a href="#" id="function-hr" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Horizontal Rule">' +
  280. 			'			<span class="octicon octicon-horizontal-rule"></span>' +
  281. 			'		</a>' +
  282. 			'		<a href="#" id="function-table" class="btn btn-sm minibutton function-button tooltipped tooltipped-ne" aria-label="Table">' +
  283. 			'			<span class="octicon octicon-three-bars"></span>' +
  284. 			'		</a>' +
  285. 			'	</div>' +
  286.  
  287. 			'	<div class="button-group btn-group">' +
  288. 			'		<div class="select-menu js-menu-container js-select-menu tooltipped tooltipped-ne" aria-label="Snippets">' +
  289. 			'			<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;">' +
  290. 			'				<span class="octicon octicon-pin"></span>' +
  291. 			'			</span>' +
  292. 			'			<div class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container">' +
  293. 			'				<div class="select-menu-modal" style="overflow:visible;">' +
  294. 			'					<div class="select-menu-header">' +
  295. 			'						<span class="select-menu-title">Snippets</span>' +
  296. 			'						<span class="octicon octicon-remove-close js-menu-close"></span>' +
  297. 			'					</div>' +
  298. 			'					<div class="select-menu-filters">' +
  299. 			'						<div class="select-menu-text-filter">' +
  300. 			'							<input type="text" placeholder="Filter snippets..." class="js-filterable-field js-navigation-enable" id="context-snippets-filter-field">' +
  301. 			'						</div>' +
  302. 			'					</div>' +
  303. 			'					<div class="select-menu-list" style="overflow:visible;">' +
  304. 			'						<div data-filterable-type="substring" data-filterable-for="context-snippets-filter-field">' +
  305. 			'							<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;">' +
  306. 			'								<span class="select-menu-item-text js-select-button-text">Add tab character</span>' +
  307. 			'							</a>' +
  308. 			'							<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;">' +
  309. 			'								<span class="select-menu-item-text js-select-button-text">Add UserAgent</span>' +
  310. 			'							</a>' +
  311. 			'							<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;">' +
  312. 			'								<span class="select-menu-item-text">' +
  313. 			'									<span class="js-select-button-text">Contributing</span>' +
  314. 			'									<span class="description">Add contributing message</span>' +
  315. 			'								</span>' +
  316. 			'							</a>' +
  317. 			'						</div>' +
  318. 			'						<div class="select-menu-no-results">Nothing to show</div>' +
  319. 			'					</div>' +
  320. 			'				</div>' +
  321. 			'			</div>' +
  322. 			'		</div>' +
  323. 			'	</div>' +
  324.  
  325. 			'	<div class="button-group btn-group">' +
  326. 			'		<div class="select-menu js-menu-container js-select-menu tooltipped tooltipped-ne" aria-label="Emoji">' +
  327. 			'			<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;">' +
  328. 			'				<span class="octicon octicon-octoface"></span>' +
  329. 			'			</span>' +
  330. 			'			<div class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container">' +
  331. 			'				<div class="select-menu-modal" style="overflow:visible;">' +
  332. 			'					<div class="select-menu-header">' +
  333. 			'						<span class="select-menu-title">Emoji</span>' +
  334. 			'						<span class="octicon octicon-remove-close js-menu-close"></span>' +
  335. 			'					</div>' +
  336. 			'					<div class="select-menu-filters">' +
  337. 			'						<div class="select-menu-text-filter">' +
  338. 			'							<input type="text" placeholder="Filter emoji..." class="js-filterable-field js-navigation-enable" id="context-emoji-filter-field">' +
  339. 			'						</div>' +
  340. 			'					</div>' +
  341. 			'					<div class="suggester select-menu-list" style="overflow:visible;">' +
  342. 			'						<div class="select-menu-no-results">Nothing to show</div>' +
  343. 			'					</div>' +
  344. 			'				</div>' +
  345. 			'			</div>' +
  346. 			'		</div>' +
  347. 			'	</div>' +
  348.  
  349. 			'</div>' +
  350.  
  351. 			'<div style="float:right;">' +
  352. 			'	<a href="#" id="function-clear" class="btn btn-sm minibutton function-button tooltipped tooltipped-nw" aria-label="Clear">' +
  353. 			'		<span class="octicon octicon-circle-slash"></span>' +
  354. 			'	</a>' +
  355. 			'</div>';
  356. 	})();
  357.  
  358. 	// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/gollum.editor.js#L516
  359. 	function executeAction(definitionObject, commentForm, button) {
  360. 		var txt = commentForm.value,
  361. 			selPos = {
  362. 				start: commentForm.selectionStart,
  363. 				end: commentForm.selectionEnd
  364. 			},
  365. 			selText = txt.substring(selPos.start, selPos.end),
  366. 			repText = selText,
  367. 			reselect = true,
  368. 			cursor = null;
  369.  
  370. 		// execute replacement function;
  371. 		if (definitionObject.exec) {
  372. 			definitionObject.exec(button, selText, commentForm, function(repText) {
  373. 				replaceFieldSelection(commentForm, repText);
  374. 			});
  375. 			return;
  376. 		}
  377.  
  378. 		// execute a search;
  379. 		var searchExp = new RegExp(definitionObject.search || /([^\n]+)/gi);
  380.  
  381. 		// replace text;
  382. 		if (definitionObject.replace) {
  383. 			var rt = definitionObject.replace;
  384. 			repText = repText.replace(searchExp, rt);
  385. 			repText = repText.replace(/\$[\d]/g, "");
  386. 			if (repText === "") {
  387. 				cursor = rt.indexOf("$1");
  388. 				repText = rt.replace(/\$[\d]/g, "");
  389. 				if (cursor === -1) {
  390. 					cursor = Math.floor(rt.length / 2);
  391. 				}
  392. 			}
  393. 		}
  394.  
  395. 		// append if necessary;
  396. 		if (definitionObject.append) {
  397. 			if (repText === selText) {
  398. 				reselect = false;
  399. 			}
  400. 			repText += definitionObject.append;
  401. 		}
  402.  
  403. 		if (repText) {
  404. 			if (definitionObject.forceNewline === true && (selPos.start > 0 && txt.substr(Math.max(0, selPos.start - 1), 1) !== "\n")) {
  405. 				repText = "\n" + repText;
  406. 			}
  407. 			replaceFieldSelection(commentForm, repText, reselect, cursor);
  408. 		}
  409. 	}
  410.  
  411. 	// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/gollum.editor.js#L708
  412. 	function replaceFieldSelection(commentForm, replaceText, reselect, cursorOffset) {
  413. 		var txt = commentForm.value,
  414. 			selPos = {
  415. 				start: commentForm.selectionStart,
  416. 				end: commentForm.selectionEnd
  417. 			};
  418.  
  419. 		var selectNew = true;
  420. 		if (reselect === false) {
  421. 			selectNew = false;
  422. 		}
  423.  
  424. 		var scrollTop = null;
  425. 		if (commentForm.scrollTop) {
  426. 			scrollTop = commentForm.scrollTop;
  427. 		}
  428.  
  429. 		commentForm.value = txt.substring(0, selPos.start) + replaceText + txt.substring(selPos.end);
  430. 		commentForm.focus();
  431.  
  432. 		if (selectNew) {
  433. 			if (cursorOffset) {
  434. 				commentForm.setSelectionRange(selPos.start + cursorOffset, selPos.start + cursorOffset);
  435. 			} else {
  436. 				commentForm.setSelectionRange(selPos.start, selPos.start + replaceText.length);
  437. 			}
  438. 		}
  439.  
  440. 		if (scrollTop) {
  441. 			commentForm.scrollTop = scrollTop;
  442. 		}
  443. 	}
  444.  
  445. 	function isWiki() {
  446. 		return /\/wiki\//.test(location.href);
  447. 	}
  448.  
  449. 	function isGist() {
  450. 		return location.host === "gist.github.com";
  451. 	}
  452.  
  453. 	function overrideGollumMarkdown() {
  454. 		unsafeWindow.$.GollumEditor.defineLanguage("markdown", MarkDown);
  455. 	}
  456.  
  457. 	function unbindGollumFunctions() {
  458. 		window.setTimeout(function() {
  459. 			unsafeWindow.$(".function-button:not(#function-help)").unbind("click");
  460. 		}, 1);
  461. 	}
  462.  
  463. 	var functionButtonClick = function(e) {
  464. 		e.preventDefault();
  465. 		executeAction(MarkDown[this.id], this.commentForm, this);
  466. 		return false;
  467. 	};
  468.  
  469. 	var suggestionsCache = {};
  470. 	function addSuggestions(commentForm) {
  471. 		var jssuggester = commentForm.parentNode.parentNode.querySelector(".suggester-container .suggester");
  472. 		var url = jssuggester.getAttribute("data-url");
  473.  
  474. 		if (suggestionsCache[url]) {
  475. 			parseSuggestions(suggestionsCache[url]);
  476. 		} else {
  477. 			unsafeWindow.$.ajax({
  478. 				url: url,
  479. 				success: function(suggestionsData) {
  480. 					suggestionsCache[url] = suggestionsData
  481. 					parseSuggestions(commentForm, suggestionsData);
  482. 				}
  483. 			});
  484. 		}
  485. 	}
  486. 	function parseSuggestions(commentForm, suggestionsData) {
  487. 		suggestionsData = suggestionsData.replace(/js-navigation-item/g, "function-button js-navigation-item select-menu-item");
  488.  
  489. 		var suggestions = document.createElement("div");
  490. 		suggestions.innerHTML = suggestionsData;
  491.  
  492. 		var emojiSuggestions = suggestions.querySelector(".emoji-suggestions");
  493. 		emojiSuggestions.style.display = "block";
  494. 		emojiSuggestions.dataset.filterableType = "substring";
  495. 		emojiSuggestions.dataset.filterableFor = "context-emoji-filter-field";
  496. 		emojiSuggestions.dataset.filterableLimit = "10";
  497.  
  498. 		var suggester = commentForm.parentNode.querySelector(".suggester");
  499. 		suggester.style.display = "block";
  500. 		suggester.style.marginTop = "0";
  501. 		suggester.appendChild(emojiSuggestions);
  502. 		Array.prototype.forEach.call(suggester.querySelectorAll(".function-button"), function(button) {
  503. 			button.addEventListener("click", function(e) {
  504. 				e.preventDefault();
  505. 				executeAction(MarkDown["function-emoji"], commentForm, this);
  506. 				return false;
  507. 			});
  508. 		});
  509. 	}
  510.  
  511. 	function addToolbar() {
  512. 		if (isWiki()) {
  513. 			// Override existing language with improved & missing functions and remove existing click events;
  514. 			overrideGollumMarkdown();
  515. 			unbindGollumFunctions();
  516.  
  517. 			// Remove existing click events when changing languages;
  518. 			document.getElementById("wiki_format").addEventListener("change", function() {
  519. 				unbindGollumFunctions();
  520.  
  521. 				Array.prototype.forEach.call(document.querySelectorAll(".comment-form-textarea .function-button"), function(button) {
  522. 					button.removeEventListener("click", functionButtonClick);
  523. 				});
  524. 			});
  525. 		}
  526.  
  527. 		Array.prototype.forEach.call(document.querySelectorAll(".comment-form-textarea,.js-comment-field"), function(commentForm) {
  528. 			var gollumEditor;
  529. 			if (commentForm.classList.contains("GithubCommentEnhancer")) {
  530. 				gollumEditor = commentForm.previousSibling;
  531. 			} else {
  532. 				commentForm.classList.add("GithubCommentEnhancer");
  533.  
  534. 				if (isWiki()) {
  535. 					gollumEditor = document.getElementById("gollum-editor-function-bar");
  536. 					var temp = document.createElement("div");
  537. 					temp.innerHTML = editorHTML;
  538. 					temp.firstElementChild.appendChild(document.getElementById("function-help")); // restore the help button;
  539. 					gollumEditor.replaceChild(temp.querySelector("#gollum-editor-function-buttons"), document.getElementById("gollum-editor-function-buttons"));
  540. 					Array.prototype.forEach.call(temp.children, function(elm) {
  541. 						elm.style.position = "absolute";
  542. 						elm.style.right = "30px";
  543. 						elm.style.top = "0";
  544. 						commentForm.parentNode.insertBefore(elm, commentForm);
  545. 					});
  546. 					temp = null;
  547. 				} else {
  548. 					gollumEditor = document.createElement("div");
  549. 					gollumEditor.innerHTML = editorHTML;
  550. 					gollumEditor.id = "gollum-editor-function-bar";
  551. 					gollumEditor.style.height = "26px";
  552. 					gollumEditor.style.margin = "10px 0";
  553. 					gollumEditor.classList.add("active");
  554. 					commentForm.parentNode.insertBefore(gollumEditor, commentForm);
  555. 				}
  556.  
  557. 				addSuggestions(commentForm);
  558.  
  559. 				var tabnavExtras = commentForm.parentNode.parentNode.querySelector(".comment-form-head .tabnav-right, .comment-form-head .right");
  560. 				if (tabnavExtras) {
  561. 					var sponsored = document.createElement("a");
  562. 					sponsored.setAttribute("target", "_blank");
  563. 					sponsored.setAttribute("href", "https://github.com/jerone/UserScripts/tree/master/Github_Comment_Enhancer");
  564. 					sponsored.classList.add("tabnav-widget", "text", "tabnav-extras", "tabnav-extra");
  565. 					var sponsoredIcon = document.createElement("span");
  566. 					sponsoredIcon.classList.add("octicon", "octicon-question");
  567. 					sponsored.appendChild(sponsoredIcon);
  568. 					sponsored.appendChild(document.createTextNode("Enhanced by Github Comment Enhancer"));
  569. 					tabnavExtras.insertBefore(sponsored, tabnavExtras.firstElementChild);
  570. 				}
  571. 			}
  572.  
  573. 			if (isGist()) {
  574. 				Array.prototype.forEach.call(gollumEditor.parentNode.querySelectorAll(".select-menu-button"), function(button) {
  575. 					button.style.paddingRight = "25px";
  576. 				});
  577. 			}
  578.  
  579. 			Array.prototype.forEach.call(gollumEditor.parentNode.querySelectorAll(".function-button"), function(button) {
  580. 				if (isGist() && button.classList.contains("minibutton")) {
  581. 					button.style.padding = "0px";
  582. 					button.style.textAlign = "center";
  583. 					button.style.width = "30px";
  584. 					button.firstElementChild.style.marginRight = "0px";
  585. 				}
  586. 				button.commentForm = commentForm; // remove event listener doesn't accept `bind`;
  587. 				button.addEventListener("click", functionButtonClick);
  588. 			});
  589. 		});
  590. 	}
  591.  
  592. 	/*
  593. 	 * to-markdown - an HTML to Markdown converter
  594. 	 * Copyright 2011, Dom Christie
  595. 	 * Licenced under the MIT licence
  596. 	 * Source: https://github.com/domchristie/to-markdown
  597. 	 *
  598. 	 * Code is altered:
  599. 	 * - Added task list support: https://github.com/domchristie/to-markdown/pull/62
  600. 	 * - He dependecy is removed
  601. 	 */
  602. 	var toMarkdown = function(string) {
  603.  
  604. 		var ELEMENTS = [{
  605. 			patterns: 'p',
  606. 			replacement: function(str, attrs, innerHTML) {
  607. 				return innerHTML ? '\n\n' + innerHTML + '\n' : '';
  608. 			}
  609. 		}, {
  610. 			patterns: 'br',
  611. 			type: 'void',
  612. 			replacement: '  \n'
  613. 		}, {
  614. 			patterns: 'h([1-6])',
  615. 			replacement: function(str, hLevel, attrs, innerHTML) {
  616. 				var hPrefix = '';
  617. 				for (var i = 0; i < hLevel; i++) {
  618. 					hPrefix += '#';
  619. 				}
  620. 				return '\n\n' + hPrefix + ' ' + innerHTML + '\n';
  621. 			}
  622. 		}, {
  623. 			patterns: 'hr',
  624. 			type: 'void',
  625. 			replacement: '\n\n* * *\n'
  626. 		}, {
  627. 			patterns: 'a',
  628. 			replacement: function(str, attrs, innerHTML) {
  629. 				var href = attrs.match(attrRegExp('href')),
  630. 					title = attrs.match(attrRegExp('title'));
  631. 				return href ? '[' + innerHTML + ']' + '(' + href[1] + (title && title[1] ? ' "' + title[1] + '"' : '') + ')' : str;
  632. 			}
  633. 		}, {
  634. 			patterns: ['b', 'strong'],
  635. 			replacement: function(str, attrs, innerHTML) {
  636. 				return innerHTML ? '**' + innerHTML + '**' : '';
  637. 			}
  638. 		}, {
  639. 			patterns: ['i', 'em'],
  640. 			replacement: function(str, attrs, innerHTML) {
  641. 				return innerHTML ? '_' + innerHTML + '_' : '';
  642. 			}
  643. 		}, {
  644. 			patterns: 'code',
  645. 			replacement: function(str, attrs, innerHTML) {
  646. 				return innerHTML ? '`' + innerHTML + '`' : '';
  647. 			}
  648. 		}, {
  649. 			patterns: 'img',
  650. 			type: 'void',
  651. 			replacement: function(str, attrs, innerHTML) {
  652. 				var src = attrs.match(attrRegExp('src')),
  653. 					alt = attrs.match(attrRegExp('alt')),
  654. 					title = attrs.match(attrRegExp('title'));
  655. 				return src ? '![' + (alt && alt[1] ? alt[1] : '') + ']' + '(' + src[1] + (title && title[1] ? ' "' + title[1] + '"' : '') + ')' : '';
  656. 			}
  657. 		}];
  658.  
  659. 		for (var i = 0, len = ELEMENTS.length; i < len; i++) {
  660. 			if (typeof ELEMENTS[i].patterns === 'string') {
  661. 				string = replaceEls(string, {
  662. 					tag: ELEMENTS[i].patterns,
  663. 					replacement: ELEMENTS[i].replacement,
  664. 					type: ELEMENTS[i].type
  665. 				});
  666. 			} else {
  667. 				for (var j = 0, pLen = ELEMENTS[i].patterns.length; j < pLen; j++) {
  668. 					string = replaceEls(string, {
  669. 						tag: ELEMENTS[i].patterns[j],
  670. 						replacement: ELEMENTS[i].replacement,
  671. 						type: ELEMENTS[i].type
  672. 					});
  673. 				}
  674. 			}
  675. 		}
  676.  
  677. 		function replaceEls(html, elProperties) {
  678. 			var pattern = elProperties.type === 'void' ? '<' + elProperties.tag + '\\b([^>]*)\\/?>' : '<' + elProperties.tag + '\\b([^>]*)>([\\s\\S]*?)<\\/' + elProperties.tag + '>',
  679. 				regex = new RegExp(pattern, 'gi'),
  680. 				markdown = '';
  681. 			if (typeof elProperties.replacement === 'string') {
  682. 				markdown = html.replace(regex, elProperties.replacement);
  683. 			} else {
  684. 				markdown = html.replace(regex, function(str, p1, p2, p3) {
  685. 					return elProperties.replacement.call(this, str, p1, p2, p3);
  686. 				});
  687. 			}
  688. 			return markdown;
  689. 		}
  690.  
  691. 		function attrRegExp(attr) {
  692. 			return new RegExp(attr + '\\s*=\\s*["\']?([^"\']*)["\']?', 'i');
  693. 		}
  694.  
  695. 		// Pre code blocks
  696.  
  697. 		string = string.replace(/<pre\b[^>]*>`([\s\S]*?)`<\/pre>/gi, function(str, innerHTML) {
  698. 			var text = innerHTML;
  699. 			text = text.replace(/^\t+/g, '  '); // convert tabs to spaces (you know it makes sense)
  700. 			text = text.replace(/\n/g, '\n    ');
  701. 			return '\n\n    ' + text + '\n';
  702. 		});
  703.  
  704. 		// Lists
  705.  
  706. 		// Escape numbers that could trigger an ol
  707. 		// If there are more than three spaces before the code, it would be in a pre tag
  708. 		// Make sure we are escaping the period not matching any character
  709. 		string = string.replace(/^(\s{0,3}\d+)\. /g, '$1\\. ');
  710.  
  711. 		// Converts lists that have no child lists (of same type) first, then works its way up
  712. 		var noChildrenRegex = /<(ul|ol)\b[^>]*>(?:(?!<ul|<ol)[\s\S])*?<\/\1>/gi;
  713. 		while (string.match(noChildrenRegex)) {
  714. 			string = string.replace(noChildrenRegex, function(str) {
  715. 				return replaceLists(str);
  716. 			});
  717. 		}
  718.  
  719. 		function replaceLists(html) {
  720.  
  721. 			html = html.replace(/<(ul|ol)\b[^>]*>([\s\S]*?)<\/\1>/gi, function(str, listType, innerHTML) {
  722. 				var lis = innerHTML.split('</li>');
  723. 				lis.splice(lis.length - 1, 1);
  724.  
  725. 				for (i = 0, len = lis.length; i < len; i++) {
  726. 					if (lis[i]) {
  727. 						var prefix = (listType === 'ol') ? (i + 1) + ".  " : "*   ";
  728. 						lis[i] = lis[i].replace(/\s*<li[^>]*>([\s\S]*)/i, function(str, innerHTML) {
  729. 							innerHTML = innerHTML.replace(/\s*<input[^>]*?(checked[^>]*)?type=['"]?checkbox['"]?[^>]>/, function(inputStr, checked) {
  730. 								return checked ? '[X]' : '[ ]';
  731. 							});
  732. 							innerHTML = innerHTML.replace(/^\s+/, '');
  733. 							innerHTML = innerHTML.replace(/\n\n/g, '\n\n    ');
  734. 							// indent nested lists
  735. 							innerHTML = innerHTML.replace(/\n([ ]*)+(\*|\d+\.) /g, '\n$1    $2 ');
  736. 							return prefix + innerHTML;
  737. 						});
  738. 					}
  739. 					lis[i] = lis[i].replace(/(.) +$/m, '$1');
  740. 				}
  741. 				return lis.join('\n');
  742. 			});
  743.  
  744. 			return '\n\n' + html.replace(/[ \t]+\n|\s+$/g, '');
  745. 		}
  746.  
  747. 		// Blockquotes
  748. 		var deepest = /<blockquote\b[^>]*>((?:(?!<blockquote)[\s\S])*?)<\/blockquote>/gi;
  749. 		while (string.match(deepest)) {
  750. 			string = string.replace(deepest, function(str) {
  751. 				return replaceBlockquotes(str);
  752. 			});
  753. 		}
  754.  
  755. 		function replaceBlockquotes(html) {
  756. 			html = html.replace(/<blockquote\b[^>]*>([\s\S]*?)<\/blockquote>/gi, function(str, inner) {
  757. 				inner = inner.replace(/^\s+|\s+$/g, '');
  758. 				inner = cleanUp(inner);
  759. 				inner = inner.replace(/^/gm, '> ');
  760. 				inner = inner.replace(/^(>([ \t]{2,}>)+)/gm, '> >');
  761. 				return inner;
  762. 			});
  763. 			return html;
  764. 		}
  765.  
  766. 		function cleanUp(string) {
  767. 			string = string.replace(/^[\t\r\n]+|[\t\r\n]+$/g, ''); // trim leading/trailing whitespace
  768. 			string = string.replace(/\n\s+\n/g, '\n\n');
  769. 			string = string.replace(/\n{3,}/g, '\n\n'); // limit consecutive linebreaks to 2
  770. 			return string;
  771. 		}
  772.  
  773. 		return cleanUp(string);
  774. 	};
  775.  
  776. 	function addReplyButtons() {
  777. 		Array.prototype.forEach.call(document.querySelectorAll(".comment"), function(comment) {
  778. 			var oldReply = comment.querySelector(".GithubCommentEnhancerReply");
  779. 			if (oldReply) {
  780. 				oldReply.parentNode.removeChild(oldReply);
  781. 			}
  782.  
  783. 			var header = comment.querySelector(".timeline-comment-header"),
  784. 				actions = comment.querySelector(".timeline-comment-actions"),
  785. 				newComment = document.querySelector(".timeline-new-comment .comment-form-textarea");
  786.  
  787. 			if (!header) {
  788. 				return;
  789. 			}
  790. 			if (!actions) {
  791. 				actions = document.createElement("div");
  792. 				actions.classList.add("timeline-comment-actions");
  793. 				header.insertBefore(actions, header.firstElementChild);
  794. 			}
  795.  
  796. 			var reply = document.createElement("a");
  797. 			reply.setAttribute("href", "#");
  798. 			reply.setAttribute("aria-label", "Reply to this comment");
  799. 			reply.classList.add("GithubCommentEnhancerReply", "timeline-comment-action", "tooltipped", "tooltipped-ne");
  800. 			reply.addEventListener("click", function(e) {
  801. 				e.preventDefault();
  802.  
  803. 				var timestamp = comment.querySelector(".timestamp");
  804.  
  805. 				var commentText = comment.querySelector(".comment-form-textarea");
  806. 				if (commentText) {
  807. 					commentText = commentText.value;
  808. 				} else {
  809. 					commentText = toMarkdown(comment.querySelector(".comment-body").innerHTML);
  810. 				}
  811. 				commentText = commentText.trim().split("\n").map(function(line) {
  812. 					return "> " + line;
  813. 				}).join("\n");
  814.  
  815. 				var text = newComment.value.length > 0 ? "\n" : "";
  816. 				text += String.format('@{0} commented on [{1}]({2} "{3} - Replied by Github Comment Enhancer"):\n{4}\n\n',
  817. 					comment.querySelector(".author").textContent,
  818. 					timestamp.firstElementChild.getAttribute("title"),
  819. 					timestamp.href,
  820. 					timestamp.firstElementChild.getAttribute("datetime"),
  821. 					commentText);
  822.  
  823. 				newComment.value += text;
  824. 				newComment.setSelectionRange(newComment.value.length, newComment.value.length);
  825. 				newComment.focus();
  826. 			});
  827.  
  828. 			var replyIcon = document.createElement("span");
  829. 			replyIcon.classList.add("octicon", "octicon-mail-reply");
  830. 			reply.appendChild(replyIcon);
  831.  
  832. 			actions.appendChild(reply);
  833. 		});
  834. 	}
  835.  
  836. 	// init;
  837. 	function init() {
  838. 		addToolbar();
  839. 		addReplyButtons();
  840. 	}
  841. 	init();
  842.  
  843. 	// on pjax;
  844. 	unsafeWindow.$(document).on("pjax:end", init); // `pjax:end` also runs on history back;
  845.  
  846. 	// for inline comments;
  847. 	var files = document.querySelectorAll('.file-code');
  848. 	Array.prototype.forEach.call(files, function(file) {
  849. 		file = file.firstElementChild;
  850. 		new MutationObserver(function(mutations) {
  851. 			mutations.forEach(function(mutation) {
  852. 				if (mutation.target === file) {
  853. 					addToolbar();
  854. 				}
  855. 			});
  856. 		}).observe(file, {
  857. 			childList: true,
  858. 			subtree: true
  859. 		});
  860. 	});
  861.  
  862. })(typeof unsafeWindow !== "undefined" ? unsafeWindow : window);

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