☰

Github Comment Enhancer

Enhances Github comments

目前为 2015-03-08 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     2.1.0
  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. 	// 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**$3"
  42. 			},
  43. 			"function-italic": {
  44. 				search: /^(\s*)([\s\S]*?)(\s*)$/g,
  45. 				replace: "$1_$2_$3"
  46. 			},
  47. 			"function-strikethrough": {
  48. 				search: /^(\s*)([\s\S]*?)(\s*)$/g,
  49. 				replace: "$1~~$2~~$3"
  50. 			},
  51.  
  52. 			"function-h1": {
  53. 				search: /(.+)([\n]?)/g,
  54. 				replace: "# $1$2",
  55. 				forceNewline: true
  56. 			},
  57. 			"function-h2": {
  58. 				search: /(.+)([\n]?)/g,
  59. 				replace: "## $1$2",
  60. 				forceNewline: true
  61. 			},
  62. 			"function-h3": {
  63. 				search: /(.+)([\n]?)/g,
  64. 				replace: "### $1$2",
  65. 				forceNewline: true
  66. 			},
  67. 			"function-h4": {
  68. 				search: /(.+)([\n]?)/g,
  69. 				replace: "#### $1$2",
  70. 				forceNewline: true
  71. 			},
  72. 			"function-h5": {
  73. 				search: /(.+)([\n]?)/g,
  74. 				replace: "##### $1$2",
  75. 				forceNewline: true
  76. 			},
  77. 			"function-h6": {
  78. 				search: /(.+)([\n]?)/g,
  79. 				replace: "###### $1$2",
  80. 				forceNewline: true
  81. 			},
  82.  
  83. 			"function-link": {
  84. 				exec: function(txt, selText, commentForm, next) {
  85. 					var selTxt = selText.trim(),
  86. 						isUrl = selTxt && /(?:https?:\/\/)|(?:www\.)/.test(selTxt),
  87. 						href = window.prompt("Link href:", isUrl ? selTxt : ""),
  88. 						text = window.prompt("Link text:", isUrl ? "" : selTxt);
  89. 					if (href) {
  90. 						next(String.format("[{0}]({1}){2}", text || href, href, (/\s+$/.test(selText) ? " " : "")));
  91. 					}
  92. 				}
  93. 			},
  94. 			"function-image": {
  95. 				exec: function(txt, selText, commentForm, next) {
  96. 					var selTxt = selText.trim(),
  97. 						isUrl = selTxt && /(?:https?:\/\/)|(?:www\.)/.test(selTxt),
  98. 						href = window.prompt("Image href:", isUrl ? selTxt : ""),
  99. 						text = window.prompt("Image text:", isUrl ? "" : selTxt);
  100. 					if (href) {
  101. 						next(String.format("![{0}]({1}){2}", text || href, href, (/\s+$/.test(selText) ? " " : "")));
  102. 					}
  103. 				}
  104. 			},
  105.  
  106. 			"function-ul": {
  107. 				search: /(.+)([\n]?)/g,
  108. 				replace: "* $1$2",
  109. 				forceNewline: true
  110. 			},
  111. 			"function-ol": {
  112. 				exec: function(txt, selText, commentForm, next) {
  113. 					var repText = "";
  114. 					if (!selText) {
  115. 						repText = "1. ";
  116. 					} else {
  117. 						var lines = selText.split("\n"),
  118. 							hasContent = /[\w]+/;
  119. 						for (var i = 0; i < lines.length; i++) {
  120. 							if (hasContent.test(lines[i])) {
  121. 								repText += String.format("{0}. {1}\n", i + 1, lines[i]);
  122. 							}
  123. 						}
  124. 					}
  125. 					next(repText);
  126. 				}
  127. 			},
  128. 			"function-checklist": {
  129. 				search: /(.+)([\n]?)/g,
  130. 				replace: "* [ ] $1$2",
  131. 				forceNewline: true
  132. 			},
  133.  
  134. 			"function-code": {
  135. 				exec: function(txt, selText, commentForm, next) {
  136. 					var rt = selText.indexOf("\n") > -1 ? "$1\n```\n$2\n```$3" : "$1`$2`$3";
  137. 					next(selText.replace(/^(\s*)([\s\S]*?)(\s*)$/g, rt));
  138. 				}
  139. 			},
  140. 			"function-blockquote": {
  141. 				search: /(.+)([\n]?)/g,
  142. 				replace: "> $1$2",
  143. 				forceNewline: true
  144. 			},
  145. 			"function-hr": {
  146. 				append: "\n***\n",
  147. 				forceNewline: true
  148. 			},
  149. 			"function-table": {
  150. 				append: "\n" +
  151. 					"| Head | Head | Head |\n" +
  152. 					"| :--- | :--: | ---: |\n" +
  153. 					"| Cell | Cell | Cell |\n" +
  154. 					"| Cell | Cell | Cell |\n",
  155. 				forceNewline: true
  156. 			},
  157.  
  158. 			"function-clear": {
  159. 				exec: function(txt, selText, commentForm, next) {
  160. 					commentForm.value = "";
  161. 					next("");
  162. 				}
  163. 			},
  164.  
  165. 			"function-snippets-tab": {
  166. 				exec: function(txt, selText, commentForm, next) {
  167. 					next("\t");
  168. 				}
  169. 			},
  170. 			"function-snippets-useragent": {
  171. 				exec: function(txt, selText, commentForm, next) {
  172. 					next("`" + navigator.userAgent + "`");
  173. 				}
  174. 			},
  175. 			"function-snippets-contributing": {
  176. 				exec: function(txt, selText, commentForm, next) {
  177. 					next("Please, always consider reviewing the [guidelines for contributing](../blob/master/CONTRIBUTING.md) to this repository.");
  178. 				}
  179. 			}
  180. 		};
  181. 	})();
  182.  
  183. 	var editorHTML = (function editorHTML() {
  184. 		return '<div id="gollum-editor-function-buttons" style="float: left;">' +
  185. 			'	<div class="button-group">' +
  186. 			'		<a href="#" id="function-bold" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Bold" style="height:26px;">' +
  187. 			'			<b style="font-weight: bolder;">B</b>' +
  188. 			'		</a>' +
  189. 			'		<a href="#" id="function-italic" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Italic">' +
  190. 			'			<em>i</em>' +
  191. 			'		</a>' +
  192. 			'		<a href="#" id="function-strikethrough" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Strikethrough">' +
  193. 			'			<s>S</s>' +
  194. 			'		</a>' +
  195. 			'	</div>' +
  196.  
  197. 			'	<div class="button-group">' +
  198. 			'		<div class="select-menu js-menu-container js-select-menu">' +
  199. 			'			<span class="minibutton select-menu-button icon-only js-menu-target" aria-label="Headers" style="padding:0 7px; width:auto; border-bottom-right-radius:3px; border-top-right-radius:3px;">' +
  200. 			'		<span class="js-select-button">h#</span>' +
  201. 			'			</span>' +
  202. 			'			<div class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container" style="top: 26px;">' +
  203. 			'				<div class="select-menu-modal" style="width:auto; overflow:visible;">' +
  204. 			'					<div class="select-menu-header">' +
  205. 			'						<span class="select-menu-title">Choose header</span>' +
  206. 			'						<span class="octicon octicon-remove-close js-menu-close"></span>' +
  207. 			'					</div>' +
  208. 			'					<div class="button-group">' +
  209. 			'						<a href="#" id="function-h1" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 1">' +
  210. 			'							<b class="select-menu-item-text js-select-button-text">h1</b>' +
  211. 			'						</a>' +
  212. 			'						<a href="#" id="function-h2" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 2">' +
  213. 			'							<b class="select-menu-item-text js-select-button-text">h2</b>' +
  214. 			'						</a>' +
  215. 			'						<a href="#" id="function-h3" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 3">' +
  216. 			'							<b class="select-menu-item-text js-select-button-text">h3</b>' +
  217. 			'						</a>' +
  218. 			'						<a href="#" id="function-h4" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 4">' +
  219. 			'							<b class="select-menu-item-text js-select-button-text">h4</b>' +
  220. 			'						</a>' +
  221. 			'						<a href="#" id="function-h5" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 5">' +
  222. 			'							<b class="select-menu-item-text js-select-button-text">h5</b>' +
  223. 			'						</a>' +
  224. 			'						<a href="#" id="function-h6" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 6">' +
  225. 			'							<b class="select-menu-item-text js-select-button-text">h6</b>' +
  226. 			'						</a>' +
  227. 			'					</div>' +
  228. 			'				</div>' +
  229. 			'			</div>' +
  230. 			'		</div>' +
  231. 			'	</div>' +
  232.  
  233. 			'	<div class="button-group">' +
  234. 			'		<a href="#" id="function-link" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Link">' +
  235. 			'			<span class="octicon octicon-link"></span>' +
  236. 			'		</a>' +
  237. 			'		<a href="#" id="function-image" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Image">' +
  238. 			'			<span class="octicon octicon-file-media"></span>' +
  239. 			'		</a>' +
  240. 			'	</div>' +
  241. 			'	<div class="button-group">' +
  242. 			'		<a href="#" id="function-ul" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Unordered List">' +
  243. 			'			<span class="octicon octicon-list-unordered"></span>' +
  244. 			'		</a>' +
  245. 			'		<a href="#" id="function-ol" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Ordered List">' +
  246. 			'			<span class="octicon octicon-list-ordered"></span>' +
  247. 			'		</a>' +
  248. 			'		<a href="#" id="function-checklist" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Task List">' +
  249. 			'			<span class="octicon octicon-checklist"></span>' +
  250. 			'		</a>' +
  251. 			'	</div>' +
  252.  
  253. 			'	<div class="button-group">' +
  254. 			'		<a href="#" id="function-code" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Code">' +
  255. 			'			<span class="octicon octicon-code"></span>' +
  256. 			'		</a>' +
  257. 			'		<a href="#" id="function-blockquote" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Blockquote">' +
  258. 			'			<span class="octicon octicon-quote"></span>' +
  259. 			'		</a>' +
  260. 			'		<a href="#" id="function-hr" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Horizontal Rule">' +
  261. 			'			<span class="octicon octicon-horizontal-rule"></span>' +
  262. 			'		</a>' +
  263. 			'		<a href="#" id="function-table" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Table">' +
  264. 			'			<span class="octicon octicon-three-bars"></span>' +
  265. 			'		</a>' +
  266. 			'	</div>' +
  267.  
  268. 			'	<div class="button-group">' +
  269. 			'		<div class="select-menu js-menu-container js-select-menu">' +
  270. 			'			<span class="minibutton select-menu-button js-menu-target" aria-label="Snippets" style="padding:0 7px; width:auto; border-bottom-right-radius:3px; border-top-right-radius:3px;">' +
  271. 			'				<span class="octicon octicon-pin"></span>' +
  272. 			'			</span>' +
  273. 			'			<div class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container">' +
  274. 			'				<div class="select-menu-modal" style="overflow:visible;">' +
  275. 			'					<div class="select-menu-header">' +
  276. 			'						<span class="select-menu-title">Snippets</span>' +
  277. 			'						<span class="octicon octicon-remove-close js-menu-close"></span>' +
  278. 			'					</div>' +
  279. 			'					<div class="select-menu-filters">' +
  280. 			'						<div class="select-menu-text-filter">' +
  281. 			'							<input type="text" placeholder="Filter snippets..." class="js-filterable-field js-navigation-enable" id="context-snippets-filter-field">' +
  282. 			'						</div>' +
  283. 			'					</div>' +
  284. 			'					<div class="select-menu-list" style="overflow:visible;">' +
  285. 			'						<div data-filterable-for="context-snippets-filter-field">' +
  286. 			'							<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;">' +
  287. 			'								<span class="select-menu-item-text js-select-button-text">Add tab character</span>' +
  288. 			'							</a>' +
  289. 			'							<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;">' +
  290. 			'								<span class="select-menu-item-text js-select-button-text">Add UserAgent</span>' +
  291. 			'							</a>' +
  292. 			'							<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;">' +
  293. 			'								<span class="select-menu-item-text">' +
  294. 			'									<span class="js-select-button-text">Contributing</span>' +
  295. 			'									<span class="description">Add contributing message</span>' +
  296. 			'								</span>' +
  297. 			'							</a>' +
  298. 			'						</div>' +
  299. 			'						<div class="select-menu-no-results">Nothing to show</div>' +
  300. 			'					</div>' +
  301. 			'				</div>' +
  302. 			'			</div>' +
  303. 			'		</div>' +
  304. 			'	</div>' +
  305.  
  306. 			'</div>' +
  307.  
  308. 			'<div class="button-group" style="float:right;">' +
  309. 			'	<a href="#" id="function-clear" class="minibutton function-button tooltipped tooltipped-nw" aria-label="Clear">' +
  310. 			'		<span class="octicon octicon-circle-slash"></span>' +
  311. 			'	</a>' +
  312. 			'</div>';
  313. 	})();
  314.  
  315. 	// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/gollum.editor.js#L516
  316. 	function executeAction(definitionObject, commentForm) {
  317. 		var txt = commentForm.value,
  318. 			selPos = {
  319. 				start: commentForm.selectionStart,
  320. 				end: commentForm.selectionEnd
  321. 			},
  322. 			selText = txt.substring(selPos.start, selPos.end),
  323. 			repText = selText,
  324. 			reselect = true,
  325. 			cursor = null;
  326.  
  327. 		// execute replacement function;
  328. 		if (definitionObject.exec) {
  329. 			definitionObject.exec(txt, selText, commentForm, function(repText) {
  330. 				replaceFieldSelection(commentForm, repText);
  331. 			});
  332. 			return;
  333. 		}
  334.  
  335. 		// execute a search;
  336. 		var searchExp = new RegExp(definitionObject.search || /([^\n]+)/gi);
  337.  
  338. 		// replace text;
  339. 		if (definitionObject.replace) {
  340. 			var rt = definitionObject.replace;
  341. 			repText = repText.replace(searchExp, rt);
  342. 			repText = repText.replace(/\$[\d]/g, "");
  343. 			if (repText === "") {
  344. 				cursor = rt.indexOf("$1");
  345. 				repText = rt.replace(/\$[\d]/g, "");
  346. 				if (cursor === -1) {
  347. 					cursor = Math.floor(rt.length / 2);
  348. 				}
  349. 			}
  350. 		}
  351.  
  352. 		// append if necessary;
  353. 		if (definitionObject.append) {
  354. 			if (repText === selText) {
  355. 				reselect = false;
  356. 			}
  357. 			repText += definitionObject.append;
  358. 		}
  359.  
  360. 		if (repText) {
  361. 			if (definitionObject.forceNewline === true && (selPos.start > 0 && txt.substr(Math.max(0, selPos.start - 1), 1) !== "\n")) {
  362. 				repText = "\n" + repText;
  363. 			}
  364. 			replaceFieldSelection(commentForm, repText, reselect, cursor);
  365. 		}
  366. 	}
  367.  
  368. 	// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/gollum.editor.js#L708
  369. 	function replaceFieldSelection(commentForm, replaceText, reselect, cursorOffset) {
  370. 		var txt = commentForm.value,
  371. 			selPos = {
  372. 				start: commentForm.selectionStart,
  373. 				end: commentForm.selectionEnd
  374. 			};
  375.  
  376. 		var selectNew = true;
  377. 		if (reselect === false) {
  378. 			selectNew = false;
  379. 		}
  380.  
  381. 		var scrollTop = null;
  382. 		if (commentForm.scrollTop) {
  383. 			scrollTop = commentForm.scrollTop;
  384. 		}
  385.  
  386. 		commentForm.value = txt.substring(0, selPos.start) + replaceText + txt.substring(selPos.end);
  387. 		commentForm.focus();
  388.  
  389. 		if (selectNew) {
  390. 			if (cursorOffset) {
  391. 				commentForm.setSelectionRange(selPos.start + cursorOffset, selPos.start + cursorOffset);
  392. 			} else {
  393. 				commentForm.setSelectionRange(selPos.start, selPos.start + replaceText.length);
  394. 			}
  395. 		}
  396.  
  397. 		if (scrollTop) {
  398. 			commentForm.scrollTop = scrollTop;
  399. 		}
  400. 	}
  401.  
  402. 	function isWiki() {
  403. 		return /\/wiki\//.test(location.href);
  404. 	}
  405.  
  406. 	function isGist() {
  407. 		return location.host === "gist.github.com";
  408. 	}
  409.  
  410. 	function overrideGollumMarkdown() {
  411. 		unsafeWindow.$.GollumEditor.defineLanguage("markdown", MarkDown);
  412. 	}
  413.  
  414. 	function unbindGollumFunctions() {
  415. 		window.setTimeout(function() {
  416. 			unsafeWindow.$(".function-button:not(#function-help)").unbind("click");
  417. 		}, 1);
  418. 	}
  419.  
  420. 	var functionButtonClick = function(e) {
  421. 		e.preventDefault();
  422. 		executeAction(MarkDown[this.id], this.commentForm);
  423. 		return false;
  424. 	};
  425.  
  426. 	function addToolbar() {
  427. 		if (isWiki()) {
  428. 			// Override existing language with improved & missing functions and remove existing click events;
  429. 			overrideGollumMarkdown();
  430. 			unbindGollumFunctions();
  431.  
  432. 			// Remove existing click events when changing languages;
  433. 			document.getElementById("wiki_format").addEventListener("change", function() {
  434. 				unbindGollumFunctions();
  435.  
  436. 				Array.prototype.forEach.call(document.querySelectorAll(".comment-form-textarea .function-button"), function(button) {
  437. 					button.removeEventListener("click", functionButtonClick);
  438. 				});
  439. 			});
  440. 		}
  441.  
  442. 		Array.prototype.forEach.call(document.querySelectorAll(".comment-form-textarea,.js-comment-field"), function(commentForm) {
  443. 			var gollumEditor;
  444. 			if (commentForm.classList.contains("GithubCommentEnhancer")) {
  445. 				gollumEditor = commentForm.previousSibling;
  446. 			} else {
  447. 				commentForm.classList.add("GithubCommentEnhancer");
  448.  
  449. 				if (isWiki()) {
  450. 					gollumEditor = document.getElementById("gollum-editor-function-bar");
  451. 					var temp = document.createElement("div");
  452. 					temp.innerHTML = editorHTML;
  453. 					temp.firstElementChild.appendChild(document.getElementById("function-help")); // restore the help button;
  454. 					gollumEditor.replaceChild(temp.querySelector("#gollum-editor-function-buttons"), document.getElementById("gollum-editor-function-buttons"));
  455. 					Array.prototype.forEach.call(temp.children, function(elm) {
  456. 						elm.style.position = "absolute";
  457. 						elm.style.right = "30px";
  458. 						elm.style.top = "0";
  459. 						commentForm.parentNode.insertBefore(elm, commentForm);
  460. 					});
  461. 					temp = null;
  462. 				} else {
  463. 					gollumEditor = document.createElement("div");
  464. 					gollumEditor.innerHTML = editorHTML;
  465. 					gollumEditor.id = "gollum-editor-function-bar";
  466. 					gollumEditor.style.height = "26px";
  467. 					gollumEditor.style.margin = "10px 0";
  468. 					gollumEditor.classList.add("active");
  469. 					commentForm.parentNode.insertBefore(gollumEditor, commentForm);
  470. 				}
  471.  
  472. 				var tabnavExtras = commentForm.parentNode.parentNode.querySelector(".comment-form-head .tabnav-right");
  473. 				if (tabnavExtras) {
  474. 					var sponsored = document.createElement("a");
  475. 					sponsored.setAttribute("href", "https://github.com/jerone/UserScripts/tree/master/Github_Comment_Enhancer");
  476. 					sponsored.setAttribute("target", "_blank");
  477. 					sponsored.classList.add("tabnav-widget", "text", "tabnav-extras");
  478. 					var sponsoredIcon = document.createElement("span");
  479. 					sponsoredIcon.classList.add("octicon", "octicon-question");
  480. 					sponsored.appendChild(sponsoredIcon);
  481. 					sponsored.appendChild(document.createTextNode("Enhanced by Github Comment Enhancer"));
  482. 					tabnavExtras.insertBefore(sponsored, tabnavExtras.firstElementChild);
  483. 				}
  484. 			}
  485.  
  486. 			if (isGist()) {
  487. 				Array.prototype.forEach.call(gollumEditor.parentNode.querySelectorAll(".select-menu-button"), function(button) {
  488. 					button.style.paddingRight = "25px";
  489. 				});
  490. 			}
  491.  
  492. 			Array.prototype.forEach.call(gollumEditor.parentNode.querySelectorAll(".function-button"), function(button) {
  493. 				if (isGist() && button.classList.contains("minibutton")) {
  494. 					button.style.padding = "0px";
  495. 					button.style.textAlign = "center";
  496. 					button.style.width = "30px";
  497. 					button.firstElementChild.style.marginRight = "0px";
  498. 				}
  499. 				button.commentForm = commentForm; // remove event listener doesn't accept `bind`;
  500. 				button.addEventListener("click", functionButtonClick);
  501. 			});
  502. 		});
  503. 	}
  504.  
  505. 	// Source: https://github.com/domchristie/to-markdown
  506. 	// Code is altered with task list support: https://github.com/domchristie/to-markdown/pull/62
  507. 	var toMarkdown = function(string) {
  508.  
  509. 		var ELEMENTS = [{
  510. 			patterns: 'p',
  511. 			replacement: function(str, attrs, innerHTML) {
  512. 				return innerHTML ? '\n\n' + innerHTML + '\n' : '';
  513. 			}
  514. 		}, {
  515. 			patterns: 'br',
  516. 			type: 'void',
  517. 			replacement: '  \n'
  518. 		}, {
  519. 			patterns: 'h([1-6])',
  520. 			replacement: function(str, hLevel, attrs, innerHTML) {
  521. 				var hPrefix = '';
  522. 				for (var i = 0; i < hLevel; i++) {
  523. 					hPrefix += '#';
  524. 				}
  525. 				return '\n\n' + hPrefix + ' ' + innerHTML + '\n';
  526. 			}
  527. 		}, {
  528. 			patterns: 'hr',
  529. 			type: 'void',
  530. 			replacement: '\n\n* * *\n'
  531. 		}, {
  532. 			patterns: 'a',
  533. 			replacement: function(str, attrs, innerHTML) {
  534. 				var href = attrs.match(attrRegExp('href')),
  535. 					title = attrs.match(attrRegExp('title'));
  536. 				return href ? '[' + innerHTML + ']' + '(' + href[1] + (title && title[1] ? ' "' + title[1] + '"' : '') + ')' : str;
  537. 			}
  538. 		}, {
  539. 			patterns: ['b', 'strong'],
  540. 			replacement: function(str, attrs, innerHTML) {
  541. 				return innerHTML ? '**' + innerHTML + '**' : '';
  542. 			}
  543. 		}, {
  544. 			patterns: ['i', 'em'],
  545. 			replacement: function(str, attrs, innerHTML) {
  546. 				return innerHTML ? '_' + innerHTML + '_' : '';
  547. 			}
  548. 		}, {
  549. 			patterns: 'code',
  550. 			replacement: function(str, attrs, innerHTML) {
  551. 				return innerHTML ? '`' + innerHTML + '`' : '';
  552. 			}
  553. 		}, {
  554. 			patterns: 'img',
  555. 			type: 'void',
  556. 			replacement: function(str, attrs, innerHTML) {
  557. 				var src = attrs.match(attrRegExp('src')),
  558. 					alt = attrs.match(attrRegExp('alt')),
  559. 					title = attrs.match(attrRegExp('title'));
  560. 				return src ? '![' + (alt && alt[1] ? alt[1] : '') + ']' + '(' + src[1] + (title && title[1] ? ' "' + title[1] + '"' : '') + ')' : '';
  561. 			}
  562. 		}];
  563.  
  564. 		for (var i = 0, len = ELEMENTS.length; i < len; i++) {
  565. 			if (typeof ELEMENTS[i].patterns === 'string') {
  566. 				string = replaceEls(string, {
  567. 					tag: ELEMENTS[i].patterns,
  568. 					replacement: ELEMENTS[i].replacement,
  569. 					type: ELEMENTS[i].type
  570. 				});
  571. 			} else {
  572. 				for (var j = 0, pLen = ELEMENTS[i].patterns.length; j < pLen; j++) {
  573. 					string = replaceEls(string, {
  574. 						tag: ELEMENTS[i].patterns[j],
  575. 						replacement: ELEMENTS[i].replacement,
  576. 						type: ELEMENTS[i].type
  577. 					});
  578. 				}
  579. 			}
  580. 		}
  581.  
  582. 		function replaceEls(html, elProperties) {
  583. 			var pattern = elProperties.type === 'void' ? '<' + elProperties.tag + '\\b([^>]*)\\/?>' : '<' + elProperties.tag + '\\b([^>]*)>([\\s\\S]*?)<\\/' + elProperties.tag + '>',
  584. 				regex = new RegExp(pattern, 'gi'),
  585. 				markdown = '';
  586. 			if (typeof elProperties.replacement === 'string') {
  587. 				markdown = html.replace(regex, elProperties.replacement);
  588. 			} else {
  589. 				markdown = html.replace(regex, function(str, p1, p2, p3) {
  590. 					return elProperties.replacement.call(this, str, p1, p2, p3);
  591. 				});
  592. 			}
  593. 			return markdown;
  594. 		}
  595.  
  596. 		function attrRegExp(attr) {
  597. 			return new RegExp(attr + '\\s*=\\s*["\']?([^"\']*)["\']?', 'i');
  598. 		}
  599.  
  600. 		// Pre code blocks
  601.  
  602. 		string = string.replace(/<pre\b[^>]*>`([\s\S]*?)`<\/pre>/gi, function(str, innerHTML) {
  603. 			var text = innerHTML;
  604. 			text = text.replace(/^\t+/g, '  '); // convert tabs to spaces (you know it makes sense)
  605. 			text = text.replace(/\n/g, '\n    ');
  606. 			return '\n\n    ' + text + '\n';
  607. 		});
  608.  
  609. 		// Lists
  610.  
  611. 		// Escape numbers that could trigger an ol
  612. 		// If there are more than three spaces before the code, it would be in a pre tag
  613. 		// Make sure we are escaping the period not matching any character
  614. 		string = string.replace(/^(\s{0,3}\d+)\. /g, '$1\\. ');
  615.  
  616. 		// Converts lists that have no child lists (of same type) first, then works its way up
  617. 		var noChildrenRegex = /<(ul|ol)\b[^>]*>(?:(?!<ul|<ol)[\s\S])*?<\/\1>/gi;
  618. 		while (string.match(noChildrenRegex)) {
  619. 			string = string.replace(noChildrenRegex, function(str) {
  620. 				return replaceLists(str);
  621. 			});
  622. 		}
  623.  
  624. 		function replaceLists(html) {
  625.  
  626. 			html = html.replace(/<(ul|ol)\b[^>]*>([\s\S]*?)<\/\1>/gi, function(str, listType, innerHTML) {
  627. 				var lis = innerHTML.split('</li>');
  628. 				lis.splice(lis.length - 1, 1);
  629.  
  630. 				for (i = 0, len = lis.length; i < len; i++) {
  631. 					if (lis[i]) {
  632. 						var prefix = (listType === 'ol') ? (i + 1) + ".  " : "*   ";
  633. 						lis[i] = lis[i].replace(/\s*<li[^>]*>([\s\S]*)/i, function(str, innerHTML) {
  634. 							innerHTML = innerHTML.replace(/\s*<input[^>]*?(checked[^>]*)?type=['"]?checkbox['"]?[^>]>/, function(inputStr, checked) {
  635. 								return checked ? '[X]' : '[ ]';
  636. 							});
  637. 							innerHTML = innerHTML.replace(/^\s+/, '');
  638. 							innerHTML = innerHTML.replace(/\n\n/g, '\n\n    ');
  639. 							// indent nested lists
  640. 							innerHTML = innerHTML.replace(/\n([ ]*)+(\*|\d+\.) /g, '\n$1    $2 ');
  641. 							return prefix + innerHTML;
  642. 						});
  643. 					}
  644. 					lis[i] = lis[i].replace(/(.) +$/m, '$1');
  645. 				}
  646. 				return lis.join('\n');
  647. 			});
  648.  
  649. 			return '\n\n' + html.replace(/[ \t]+\n|\s+$/g, '');
  650. 		}
  651.  
  652. 		// Blockquotes
  653. 		var deepest = /<blockquote\b[^>]*>((?:(?!<blockquote)[\s\S])*?)<\/blockquote>/gi;
  654. 		while (string.match(deepest)) {
  655. 			string = string.replace(deepest, function(str) {
  656. 				return replaceBlockquotes(str);
  657. 			});
  658. 		}
  659.  
  660. 		function replaceBlockquotes(html) {
  661. 			html = html.replace(/<blockquote\b[^>]*>([\s\S]*?)<\/blockquote>/gi, function(str, inner) {
  662. 				inner = inner.replace(/^\s+|\s+$/g, '');
  663. 				inner = cleanUp(inner);
  664. 				inner = inner.replace(/^/gm, '> ');
  665. 				inner = inner.replace(/^(>([ \t]{2,}>)+)/gm, '> >');
  666. 				return inner;
  667. 			});
  668. 			return html;
  669. 		}
  670.  
  671. 		function cleanUp(string) {
  672. 			string = string.replace(/^[\t\r\n]+|[\t\r\n]+$/g, ''); // trim leading/trailing whitespace
  673. 			string = string.replace(/\n\s+\n/g, '\n\n');
  674. 			string = string.replace(/\n{3,}/g, '\n\n'); // limit consecutive linebreaks to 2
  675. 			return string;
  676. 		}
  677.  
  678. 		return cleanUp(string);
  679. 	};
  680.  
  681. 	function addReplyButtons() {
  682. 		Array.prototype.forEach.call(document.querySelectorAll(".comment"), function(comment) {
  683. 			var oldReply = comment.querySelector(".GithubCommentEnhancerReply");
  684. 			if (oldReply) {
  685. 				oldReply.parentNode.removeChild(oldReply);
  686. 			}
  687.  
  688. 			var header = comment.querySelector(".timeline-comment-header"),
  689. 				actions = comment.querySelector(".timeline-comment-actions"),
  690. 				newComment = document.querySelector(".timeline-new-comment .comment-form-textarea");
  691.  
  692. 			if (!header) {
  693. 				return;
  694. 			}
  695. 			if (!actions) {
  696. 				actions = document.createElement("div");
  697. 				actions.classList.add("timeline-comment-actions");
  698. 				header.insertBefore(actions, header.firstElementChild);
  699. 			}
  700.  
  701. 			var reply = document.createElement("a");
  702. 			reply.setAttribute("href", "#");
  703. 			reply.setAttribute("aria-label", "Reply to this comment");
  704. 			reply.classList.add("GithubCommentEnhancerReply", "timeline-comment-action", "tooltipped", "tooltipped-ne");
  705. 			reply.addEventListener("click", function(e) {
  706. 				e.preventDefault();
  707.  
  708. 				var timestamp = comment.querySelector(".timestamp");
  709.  
  710. 				var commentText = comment.querySelector(".comment-form-textarea");
  711. 				if (commentText) {
  712. 					commentText = commentText.value;
  713. 				} else {
  714. 					commentText = toMarkdown(comment.querySelector(".comment-body").innerHTML);
  715. 				}
  716. 				commentText = commentText.trim().split("\n").map(function(line) {
  717. 					return "> " + line;
  718. 				}).join("\n");
  719.  
  720. 				var text = newComment.value.length > 0 ? "\n" : "";
  721. 				text += String.format('@{0} commented on [{1}]({2} "{3} - Replied by Github Comment Enhancer"):\n{4}\n\n',
  722. 					comment.querySelector(".author").textContent,
  723. 					timestamp.firstElementChild.getAttribute("title"),
  724. 					timestamp.href,
  725. 					timestamp.firstElementChild.getAttribute("datetime"),
  726. 					commentText);
  727.  
  728. 				newComment.value += text;
  729. 				newComment.setSelectionRange(newComment.value.length, newComment.value.length);
  730. 				newComment.focus();
  731. 			});
  732.  
  733. 			var replyIcon = document.createElement("span");
  734. 			replyIcon.classList.add("octicon", "octicon-mail-reply");
  735. 			reply.appendChild(replyIcon);
  736.  
  737. 			actions.appendChild(reply);
  738. 		});
  739. 	}
  740.  
  741. 	// init;
  742. 	function init() {
  743. 		addToolbar();
  744. 		addReplyButtons();
  745. 	}
  746. 	init();
  747.  
  748. 	// on pjax;
  749. 	unsafeWindow.$(document).on("pjax:end", init); // `pjax:end` also runs on history back;
  750.  
  751. 	// for inline comments;
  752. 	var files = document.querySelectorAll('.file-code');
  753. 	Array.prototype.forEach.call(files, function(file) {
  754. 		file = file.firstElementChild;
  755. 		new MutationObserver(function(mutations) {
  756. 			mutations.forEach(function(mutation) {
  757. 				if (mutation.target === file) {
  758. 					addToolbar();
  759. 				}
  760. 			});
  761. 		}).observe(file, {
  762. 			childList: true,
  763. 			subtree: true
  764. 		});
  765. 	});
  766.  
  767. })(typeof unsafeWindow !== "undefined" ? unsafeWindow : window);

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