// ==UserScript==
// @id Github_Comment_Enhancer@https://github.com/jerone/UserScripts
// @name Github Comment Enhancer
// @namespace https://github.com/jerone/UserScripts
// @description Enhances Github comments
// @author jerone
// @copyright 2014+, jerone (http://jeroenvanwarmerdam.nl)
// @license GNU GPLv3
// @homepage https://github.com/jerone/UserScripts/tree/master/Github_Comment_Enhancer
// @homepageURL https://github.com/jerone/UserScripts/tree/master/Github_Comment_Enhancer
// @supportURL https://github.com/jerone/UserScripts/issues
// @contributionURL https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VCYMHWQ7ZMBKW
// @version 2.1.0
// @grant none
// @run-at document-end
// @include https://github.com/*/*/issues
// @include https://github.com/*/*/issues/*
// @include https://github.com/*/*/pulls
// @include https://github.com/*/*/pull/*
// @include https://github.com/*/*/commit/*
// @include https://github.com/*/*/compare/*
// @include https://github.com/*/*/wiki/*
// @include https://gist.github.com/*
// ==/UserScript==
/* global unsafeWindow */
(function(unsafeWindow) {
String.format = function(string) {
var args = Array.prototype.slice.call(arguments, 1, arguments.length);
return string.replace(/{(\d+)}/g, function(match, number) {
return typeof args[number] !== "undefined" ? args[number] : match;
});
};
// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/langs/markdown.js
var MarkDown = (function MarkDown() {
return {
"function-bold": {
search: /^(\s*)([\s\S]*?)(\s*)$/g,
replace: "$1**$2**$3"
},
"function-italic": {
search: /^(\s*)([\s\S]*?)(\s*)$/g,
replace: "$1_$2_$3"
},
"function-strikethrough": {
search: /^(\s*)([\s\S]*?)(\s*)$/g,
replace: "$1~~$2~~$3"
},
"function-h1": {
search: /(.+)([\n]?)/g,
replace: "# $1$2",
forceNewline: true
},
"function-h2": {
search: /(.+)([\n]?)/g,
replace: "## $1$2",
forceNewline: true
},
"function-h3": {
search: /(.+)([\n]?)/g,
replace: "### $1$2",
forceNewline: true
},
"function-h4": {
search: /(.+)([\n]?)/g,
replace: "#### $1$2",
forceNewline: true
},
"function-h5": {
search: /(.+)([\n]?)/g,
replace: "##### $1$2",
forceNewline: true
},
"function-h6": {
search: /(.+)([\n]?)/g,
replace: "###### $1$2",
forceNewline: true
},
"function-link": {
exec: function(txt, selText, commentForm, next) {
var selTxt = selText.trim(),
isUrl = selTxt && /(?:https?:\/\/)|(?:www\.)/.test(selTxt),
href = window.prompt("Link href:", isUrl ? selTxt : ""),
text = window.prompt("Link text:", isUrl ? "" : selTxt);
if (href) {
next(String.format("[{0}]({1}){2}", text || href, href, (/\s+$/.test(selText) ? " " : "")));
}
}
},
"function-image": {
exec: function(txt, selText, commentForm, next) {
var selTxt = selText.trim(),
isUrl = selTxt && /(?:https?:\/\/)|(?:www\.)/.test(selTxt),
href = window.prompt("Image href:", isUrl ? selTxt : ""),
text = window.prompt("Image text:", isUrl ? "" : selTxt);
if (href) {
next(String.format("{2}", text || href, href, (/\s+$/.test(selText) ? " " : "")));
}
}
},
"function-ul": {
search: /(.+)([\n]?)/g,
replace: "* $1$2",
forceNewline: true
},
"function-ol": {
exec: function(txt, selText, commentForm, next) {
var repText = "";
if (!selText) {
repText = "1. ";
} else {
var lines = selText.split("\n"),
hasContent = /[\w]+/;
for (var i = 0; i < lines.length; i++) {
if (hasContent.test(lines[i])) {
repText += String.format("{0}. {1}\n", i + 1, lines[i]);
}
}
}
next(repText);
}
},
"function-checklist": {
search: /(.+)([\n]?)/g,
replace: "* [ ] $1$2",
forceNewline: true
},
"function-code": {
exec: function(txt, selText, commentForm, next) {
var rt = selText.indexOf("\n") > -1 ? "$1\n```\n$2\n```$3" : "$1`$2`$3";
next(selText.replace(/^(\s*)([\s\S]*?)(\s*)$/g, rt));
}
},
"function-blockquote": {
search: /(.+)([\n]?)/g,
replace: "> $1$2",
forceNewline: true
},
"function-hr": {
append: "\n***\n",
forceNewline: true
},
"function-table": {
append: "\n" +
"| Head | Head | Head |\n" +
"| :--- | :--: | ---: |\n" +
"| Cell | Cell | Cell |\n" +
"| Cell | Cell | Cell |\n",
forceNewline: true
},
"function-clear": {
exec: function(txt, selText, commentForm, next) {
commentForm.value = "";
next("");
}
},
"function-snippets-tab": {
exec: function(txt, selText, commentForm, next) {
next("\t");
}
},
"function-snippets-useragent": {
exec: function(txt, selText, commentForm, next) {
next("`" + navigator.userAgent + "`");
}
},
"function-snippets-contributing": {
exec: function(txt, selText, commentForm, next) {
next("Please, always consider reviewing the [guidelines for contributing](../blob/master/CONTRIBUTING.md) to this repository.");
}
}
};
})();
var editorHTML = (function editorHTML() {
return '<div id="gollum-editor-function-buttons" style="float: left;">' +
' <div class="button-group">' +
' <a href="#" id="function-bold" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Bold" style="height:26px;">' +
' <b style="font-weight: bolder;">B</b>' +
' </a>' +
' <a href="#" id="function-italic" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Italic">' +
' <em>i</em>' +
' </a>' +
' <a href="#" id="function-strikethrough" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Strikethrough">' +
' <s>S</s>' +
' </a>' +
' </div>' +
' <div class="button-group">' +
' <div class="select-menu js-menu-container js-select-menu">' +
' <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;">' +
' <span class="js-select-button">h#</span>' +
' </span>' +
' <div class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container" style="top: 26px;">' +
' <div class="select-menu-modal" style="width:auto; overflow:visible;">' +
' <div class="select-menu-header">' +
' <span class="select-menu-title">Choose header</span>' +
' <span class="octicon octicon-remove-close js-menu-close"></span>' +
' </div>' +
' <div class="button-group">' +
' <a href="#" id="function-h1" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 1">' +
' <b class="select-menu-item-text js-select-button-text">h1</b>' +
' </a>' +
' <a href="#" id="function-h2" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 2">' +
' <b class="select-menu-item-text js-select-button-text">h2</b>' +
' </a>' +
' <a href="#" id="function-h3" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 3">' +
' <b class="select-menu-item-text js-select-button-text">h3</b>' +
' </a>' +
' <a href="#" id="function-h4" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 4">' +
' <b class="select-menu-item-text js-select-button-text">h4</b>' +
' </a>' +
' <a href="#" id="function-h5" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 5">' +
' <b class="select-menu-item-text js-select-button-text">h5</b>' +
' </a>' +
' <a href="#" id="function-h6" class="minibutton function-button js-navigation-item js-menu-close tooltipped tooltipped-s" aria-label="Header 6">' +
' <b class="select-menu-item-text js-select-button-text">h6</b>' +
' </a>' +
' </div>' +
' </div>' +
' </div>' +
' </div>' +
' </div>' +
' <div class="button-group">' +
' <a href="#" id="function-link" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Link">' +
' <span class="octicon octicon-link"></span>' +
' </a>' +
' <a href="#" id="function-image" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Image">' +
' <span class="octicon octicon-file-media"></span>' +
' </a>' +
' </div>' +
' <div class="button-group">' +
' <a href="#" id="function-ul" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Unordered List">' +
' <span class="octicon octicon-list-unordered"></span>' +
' </a>' +
' <a href="#" id="function-ol" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Ordered List">' +
' <span class="octicon octicon-list-ordered"></span>' +
' </a>' +
' <a href="#" id="function-checklist" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Task List">' +
' <span class="octicon octicon-checklist"></span>' +
' </a>' +
' </div>' +
' <div class="button-group">' +
' <a href="#" id="function-code" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Code">' +
' <span class="octicon octicon-code"></span>' +
' </a>' +
' <a href="#" id="function-blockquote" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Blockquote">' +
' <span class="octicon octicon-quote"></span>' +
' </a>' +
' <a href="#" id="function-hr" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Horizontal Rule">' +
' <span class="octicon octicon-horizontal-rule"></span>' +
' </a>' +
' <a href="#" id="function-table" class="minibutton function-button tooltipped tooltipped-ne" aria-label="Table">' +
' <span class="octicon octicon-three-bars"></span>' +
' </a>' +
' </div>' +
' <div class="button-group">' +
' <div class="select-menu js-menu-container js-select-menu">' +
' <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;">' +
' <span class="octicon octicon-pin"></span>' +
' </span>' +
' <div class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container">' +
' <div class="select-menu-modal" style="overflow:visible;">' +
' <div class="select-menu-header">' +
' <span class="select-menu-title">Snippets</span>' +
' <span class="octicon octicon-remove-close js-menu-close"></span>' +
' </div>' +
' <div class="select-menu-filters">' +
' <div class="select-menu-text-filter">' +
' <input type="text" placeholder="Filter snippets..." class="js-filterable-field js-navigation-enable" id="context-snippets-filter-field">' +
' </div>' +
' </div>' +
' <div class="select-menu-list" style="overflow:visible;">' +
' <div data-filterable-for="context-snippets-filter-field">' +
' <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;">' +
' <span class="select-menu-item-text js-select-button-text">Add tab character</span>' +
' </a>' +
' <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;">' +
' <span class="select-menu-item-text js-select-button-text">Add UserAgent</span>' +
' </a>' +
' <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;">' +
' <span class="select-menu-item-text">' +
' <span class="js-select-button-text">Contributing</span>' +
' <span class="description">Add contributing message</span>' +
' </span>' +
' </a>' +
' </div>' +
' <div class="select-menu-no-results">Nothing to show</div>' +
' </div>' +
' </div>' +
' </div>' +
' </div>' +
' </div>' +
'</div>' +
'<div class="button-group" style="float:right;">' +
' <a href="#" id="function-clear" class="minibutton function-button tooltipped tooltipped-nw" aria-label="Clear">' +
' <span class="octicon octicon-circle-slash"></span>' +
' </a>' +
'</div>';
})();
// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/gollum.editor.js#L516
function executeAction(definitionObject, commentForm) {
var txt = commentForm.value,
selPos = {
start: commentForm.selectionStart,
end: commentForm.selectionEnd
},
selText = txt.substring(selPos.start, selPos.end),
repText = selText,
reselect = true,
cursor = null;
// execute replacement function;
if (definitionObject.exec) {
definitionObject.exec(txt, selText, commentForm, function(repText) {
replaceFieldSelection(commentForm, repText);
});
return;
}
// execute a search;
var searchExp = new RegExp(definitionObject.search || /([^\n]+)/gi);
// replace text;
if (definitionObject.replace) {
var rt = definitionObject.replace;
repText = repText.replace(searchExp, rt);
repText = repText.replace(/\$[\d]/g, "");
if (repText === "") {
cursor = rt.indexOf("$1");
repText = rt.replace(/\$[\d]/g, "");
if (cursor === -1) {
cursor = Math.floor(rt.length / 2);
}
}
}
// append if necessary;
if (definitionObject.append) {
if (repText === selText) {
reselect = false;
}
repText += definitionObject.append;
}
if (repText) {
if (definitionObject.forceNewline === true && (selPos.start > 0 && txt.substr(Math.max(0, selPos.start - 1), 1) !== "\n")) {
repText = "\n" + repText;
}
replaceFieldSelection(commentForm, repText, reselect, cursor);
}
}
// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/gollum.editor.js#L708
function replaceFieldSelection(commentForm, replaceText, reselect, cursorOffset) {
var txt = commentForm.value,
selPos = {
start: commentForm.selectionStart,
end: commentForm.selectionEnd
};
var selectNew = true;
if (reselect === false) {
selectNew = false;
}
var scrollTop = null;
if (commentForm.scrollTop) {
scrollTop = commentForm.scrollTop;
}
commentForm.value = txt.substring(0, selPos.start) + replaceText + txt.substring(selPos.end);
commentForm.focus();
if (selectNew) {
if (cursorOffset) {
commentForm.setSelectionRange(selPos.start + cursorOffset, selPos.start + cursorOffset);
} else {
commentForm.setSelectionRange(selPos.start, selPos.start + replaceText.length);
}
}
if (scrollTop) {
commentForm.scrollTop = scrollTop;
}
}
function isWiki() {
return /\/wiki\//.test(location.href);
}
function isGist() {
return location.host === "gist.github.com";
}
function overrideGollumMarkdown() {
unsafeWindow.$.GollumEditor.defineLanguage("markdown", MarkDown);
}
function unbindGollumFunctions() {
window.setTimeout(function() {
unsafeWindow.$(".function-button:not(#function-help)").unbind("click");
}, 1);
}
var functionButtonClick = function(e) {
e.preventDefault();
executeAction(MarkDown[this.id], this.commentForm);
return false;
};
function addToolbar() {
if (isWiki()) {
// Override existing language with improved & missing functions and remove existing click events;
overrideGollumMarkdown();
unbindGollumFunctions();
// Remove existing click events when changing languages;
document.getElementById("wiki_format").addEventListener("change", function() {
unbindGollumFunctions();
Array.prototype.forEach.call(document.querySelectorAll(".comment-form-textarea .function-button"), function(button) {
button.removeEventListener("click", functionButtonClick);
});
});
}
Array.prototype.forEach.call(document.querySelectorAll(".comment-form-textarea,.js-comment-field"), function(commentForm) {
var gollumEditor;
if (commentForm.classList.contains("GithubCommentEnhancer")) {
gollumEditor = commentForm.previousSibling;
} else {
commentForm.classList.add("GithubCommentEnhancer");
if (isWiki()) {
gollumEditor = document.getElementById("gollum-editor-function-bar");
var temp = document.createElement("div");
temp.innerHTML = editorHTML;
temp.firstElementChild.appendChild(document.getElementById("function-help")); // restore the help button;
gollumEditor.replaceChild(temp.querySelector("#gollum-editor-function-buttons"), document.getElementById("gollum-editor-function-buttons"));
Array.prototype.forEach.call(temp.children, function(elm) {
elm.style.position = "absolute";
elm.style.right = "30px";
elm.style.top = "0";
commentForm.parentNode.insertBefore(elm, commentForm);
});
temp = null;
} else {
gollumEditor = document.createElement("div");
gollumEditor.innerHTML = editorHTML;
gollumEditor.id = "gollum-editor-function-bar";
gollumEditor.style.height = "26px";
gollumEditor.style.margin = "10px 0";
gollumEditor.classList.add("active");
commentForm.parentNode.insertBefore(gollumEditor, commentForm);
}
var tabnavExtras = commentForm.parentNode.parentNode.querySelector(".comment-form-head .tabnav-right");
if (tabnavExtras) {
var sponsored = document.createElement("a");
sponsored.setAttribute("href", "https://github.com/jerone/UserScripts/tree/master/Github_Comment_Enhancer");
sponsored.setAttribute("target", "_blank");
sponsored.classList.add("tabnav-widget", "text", "tabnav-extras");
var sponsoredIcon = document.createElement("span");
sponsoredIcon.classList.add("octicon", "octicon-question");
sponsored.appendChild(sponsoredIcon);
sponsored.appendChild(document.createTextNode("Enhanced by Github Comment Enhancer"));
tabnavExtras.insertBefore(sponsored, tabnavExtras.firstElementChild);
}
}
if (isGist()) {
Array.prototype.forEach.call(gollumEditor.parentNode.querySelectorAll(".select-menu-button"), function(button) {
button.style.paddingRight = "25px";
});
}
Array.prototype.forEach.call(gollumEditor.parentNode.querySelectorAll(".function-button"), function(button) {
if (isGist() && button.classList.contains("minibutton")) {
button.style.padding = "0px";
button.style.textAlign = "center";
button.style.width = "30px";
button.firstElementChild.style.marginRight = "0px";
}
button.commentForm = commentForm; // remove event listener doesn't accept `bind`;
button.addEventListener("click", functionButtonClick);
});
});
}
// Source: https://github.com/domchristie/to-markdown
// Code is altered with task list support: https://github.com/domchristie/to-markdown/pull/62
var toMarkdown = function(string) {
var ELEMENTS = [{
patterns: 'p',
replacement: function(str, attrs, innerHTML) {
return innerHTML ? '\n\n' + innerHTML + '\n' : '';
}
}, {
patterns: 'br',
type: 'void',
replacement: ' \n'
}, {
patterns: 'h([1-6])',
replacement: function(str, hLevel, attrs, innerHTML) {
var hPrefix = '';
for (var i = 0; i < hLevel; i++) {
hPrefix += '#';
}
return '\n\n' + hPrefix + ' ' + innerHTML + '\n';
}
}, {
patterns: 'hr',
type: 'void',
replacement: '\n\n* * *\n'
}, {
patterns: 'a',
replacement: function(str, attrs, innerHTML) {
var href = attrs.match(attrRegExp('href')),
title = attrs.match(attrRegExp('title'));
return href ? '[' + innerHTML + ']' + '(' + href[1] + (title && title[1] ? ' "' + title[1] + '"' : '') + ')' : str;
}
}, {
patterns: ['b', 'strong'],
replacement: function(str, attrs, innerHTML) {
return innerHTML ? '**' + innerHTML + '**' : '';
}
}, {
patterns: ['i', 'em'],
replacement: function(str, attrs, innerHTML) {
return innerHTML ? '_' + innerHTML + '_' : '';
}
}, {
patterns: 'code',
replacement: function(str, attrs, innerHTML) {
return innerHTML ? '`' + innerHTML + '`' : '';
}
}, {
patterns: 'img',
type: 'void',
replacement: function(str, attrs, innerHTML) {
var src = attrs.match(attrRegExp('src')),
alt = attrs.match(attrRegExp('alt')),
title = attrs.match(attrRegExp('title'));
return src ? '![' + (alt && alt[1] ? alt[1] : '') + ']' + '(' + src[1] + (title && title[1] ? ' "' + title[1] + '"' : '') + ')' : '';
}
}];
for (var i = 0, len = ELEMENTS.length; i < len; i++) {
if (typeof ELEMENTS[i].patterns === 'string') {
string = replaceEls(string, {
tag: ELEMENTS[i].patterns,
replacement: ELEMENTS[i].replacement,
type: ELEMENTS[i].type
});
} else {
for (var j = 0, pLen = ELEMENTS[i].patterns.length; j < pLen; j++) {
string = replaceEls(string, {
tag: ELEMENTS[i].patterns[j],
replacement: ELEMENTS[i].replacement,
type: ELEMENTS[i].type
});
}
}
}
function replaceEls(html, elProperties) {
var pattern = elProperties.type === 'void' ? '<' + elProperties.tag + '\\b([^>]*)\\/?>' : '<' + elProperties.tag + '\\b([^>]*)>([\\s\\S]*?)<\\/' + elProperties.tag + '>',
regex = new RegExp(pattern, 'gi'),
markdown = '';
if (typeof elProperties.replacement === 'string') {
markdown = html.replace(regex, elProperties.replacement);
} else {
markdown = html.replace(regex, function(str, p1, p2, p3) {
return elProperties.replacement.call(this, str, p1, p2, p3);
});
}
return markdown;
}
function attrRegExp(attr) {
return new RegExp(attr + '\\s*=\\s*["\']?([^"\']*)["\']?', 'i');
}
// Pre code blocks
string = string.replace(/<pre\b[^>]*>`([\s\S]*?)`<\/pre>/gi, function(str, innerHTML) {
var text = innerHTML;
text = text.replace(/^\t+/g, ' '); // convert tabs to spaces (you know it makes sense)
text = text.replace(/\n/g, '\n ');
return '\n\n ' + text + '\n';
});
// Lists
// Escape numbers that could trigger an ol
// If there are more than three spaces before the code, it would be in a pre tag
// Make sure we are escaping the period not matching any character
string = string.replace(/^(\s{0,3}\d+)\. /g, '$1\\. ');
// Converts lists that have no child lists (of same type) first, then works its way up
var noChildrenRegex = /<(ul|ol)\b[^>]*>(?:(?!<ul|<ol)[\s\S])*?<\/\1>/gi;
while (string.match(noChildrenRegex)) {
string = string.replace(noChildrenRegex, function(str) {
return replaceLists(str);
});
}
function replaceLists(html) {
html = html.replace(/<(ul|ol)\b[^>]*>([\s\S]*?)<\/\1>/gi, function(str, listType, innerHTML) {
var lis = innerHTML.split('</li>');
lis.splice(lis.length - 1, 1);
for (i = 0, len = lis.length; i < len; i++) {
if (lis[i]) {
var prefix = (listType === 'ol') ? (i + 1) + ". " : "* ";
lis[i] = lis[i].replace(/\s*<li[^>]*>([\s\S]*)/i, function(str, innerHTML) {
innerHTML = innerHTML.replace(/\s*<input[^>]*?(checked[^>]*)?type=['"]?checkbox['"]?[^>]>/, function(inputStr, checked) {
return checked ? '[X]' : '[ ]';
});
innerHTML = innerHTML.replace(/^\s+/, '');
innerHTML = innerHTML.replace(/\n\n/g, '\n\n ');
// indent nested lists
innerHTML = innerHTML.replace(/\n([ ]*)+(\*|\d+\.) /g, '\n$1 $2 ');
return prefix + innerHTML;
});
}
lis[i] = lis[i].replace(/(.) +$/m, '$1');
}
return lis.join('\n');
});
return '\n\n' + html.replace(/[ \t]+\n|\s+$/g, '');
}
// Blockquotes
var deepest = /<blockquote\b[^>]*>((?:(?!<blockquote)[\s\S])*?)<\/blockquote>/gi;
while (string.match(deepest)) {
string = string.replace(deepest, function(str) {
return replaceBlockquotes(str);
});
}
function replaceBlockquotes(html) {
html = html.replace(/<blockquote\b[^>]*>([\s\S]*?)<\/blockquote>/gi, function(str, inner) {
inner = inner.replace(/^\s+|\s+$/g, '');
inner = cleanUp(inner);
inner = inner.replace(/^/gm, '> ');
inner = inner.replace(/^(>([ \t]{2,}>)+)/gm, '> >');
return inner;
});
return html;
}
function cleanUp(string) {
string = string.replace(/^[\t\r\n]+|[\t\r\n]+$/g, ''); // trim leading/trailing whitespace
string = string.replace(/\n\s+\n/g, '\n\n');
string = string.replace(/\n{3,}/g, '\n\n'); // limit consecutive linebreaks to 2
return string;
}
return cleanUp(string);
};
function addReplyButtons() {
Array.prototype.forEach.call(document.querySelectorAll(".comment"), function(comment) {
var oldReply = comment.querySelector(".GithubCommentEnhancerReply");
if (oldReply) {
oldReply.parentNode.removeChild(oldReply);
}
var header = comment.querySelector(".timeline-comment-header"),
actions = comment.querySelector(".timeline-comment-actions"),
newComment = document.querySelector(".timeline-new-comment .comment-form-textarea");
if (!header) {
return;
}
if (!actions) {
actions = document.createElement("div");
actions.classList.add("timeline-comment-actions");
header.insertBefore(actions, header.firstElementChild);
}
var reply = document.createElement("a");
reply.setAttribute("href", "#");
reply.setAttribute("aria-label", "Reply to this comment");
reply.classList.add("GithubCommentEnhancerReply", "timeline-comment-action", "tooltipped", "tooltipped-ne");
reply.addEventListener("click", function(e) {
e.preventDefault();
var timestamp = comment.querySelector(".timestamp");
var commentText = comment.querySelector(".comment-form-textarea");
if (commentText) {
commentText = commentText.value;
} else {
commentText = toMarkdown(comment.querySelector(".comment-body").innerHTML);
}
commentText = commentText.trim().split("\n").map(function(line) {
return "> " + line;
}).join("\n");
var text = newComment.value.length > 0 ? "\n" : "";
text += String.format('@{0} commented on [{1}]({2} "{3} - Replied by Github Comment Enhancer"):\n{4}\n\n',
comment.querySelector(".author").textContent,
timestamp.firstElementChild.getAttribute("title"),
timestamp.href,
timestamp.firstElementChild.getAttribute("datetime"),
commentText);
newComment.value += text;
newComment.setSelectionRange(newComment.value.length, newComment.value.length);
newComment.focus();
});
var replyIcon = document.createElement("span");
replyIcon.classList.add("octicon", "octicon-mail-reply");
reply.appendChild(replyIcon);
actions.appendChild(reply);
});
}
// init;
function init() {
addToolbar();
addReplyButtons();
}
init();
// on pjax;
unsafeWindow.$(document).on("pjax:end", init); // `pjax:end` also runs on history back;
// for inline comments;
var files = document.querySelectorAll('.file-code');
Array.prototype.forEach.call(files, function(file) {
file = file.firstElementChild;
new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
if (mutation.target === file) {
addToolbar();
}
});
}).observe(file, {
childList: true,
subtree: true
});
});
})(typeof unsafeWindow !== "undefined" ? unsafeWindow : window);