// ==UserScript==
// @name Github Reply Comments
// @namespace https://github.com/jerone/UserScripts
// @description Easy reply to Github comments
// @author jerone
// @copyright 2016+, jerone (http://jeroenvanwarmerdam.nl)
// @license GPL-3.0
// @homepage https://github.com/jerone/UserScripts/tree/master/Github_Reply_Comments
// @homepageURL https://github.com/jerone/UserScripts/tree/master/Github_Reply_Comments
// @supportURL https://github.com/jerone/UserScripts/issues
// @contributionURL https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VCYMHWQ7ZMBKW
// @version 0.1.0
// @icon https://assets-cdn.github.com/pinned-octocat.svg
// @grant none
// @include https://github.com/*
// @include https://gist.github.com/*
// ==/UserScript==
(function() {
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;
});
};
/*
* to-markdown - an HTML to Markdown converter
* Copyright 2011, Dom Christie
* Licenced under the MIT licence
* Source: https://github.com/domchristie/to-markdown
*
* Code is altered:
* - Added task list support: https://github.com/domchristie/to-markdown/pull/62
* - He dependecy is removed
*/
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) {
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, replaceLists);
}
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, replaceBlockquotes);
}
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 getCommentTextarea(replyBtn) {
var newComment = replyBtn;
while (newComment && !newComment.classList.contains('js-quote-selection-container')) {
newComment = newComment.parentNode;
}
if (newComment) {
var lastElementChild = newComment.lastElementChild;
lastElementChild.classList.add('open');
newComment = lastElementChild.querySelector(".comment-form-textarea");
} else {
newComment = document.querySelector(".timeline-new-comment .comment-form-textarea");
}
return newComment;
}
function addReplyButtons() {
Array.prototype.forEach.call(document.querySelectorAll(".comment"), function(comment) {
var oldReply = comment.querySelector(".GithubReplyComments, .GithubCommentEnhancerReply");
if (oldReply) {
oldReply.parentNode.removeChild(oldReply);
}
var header = comment.querySelector(".timeline-comment-header"),
actions = comment.querySelector(".timeline-comment-actions");
if (!header) {
return;
}
if (!actions) {
actions = document.createElement("div");
actions.classList.add("timeline-comment-actions");
header.insertBefore(actions, header.firstElementChild);
}
var reply = document.createElement("button");
reply.setAttribute("type", "button");
reply.setAttribute("title", "Reply to this comment");
reply.setAttribute("aria-label", "Reply to this comment");
reply.classList.add("GithubReplyComments", "btn-link", "timeline-comment-action", "tooltipped", "tooltipped-ne");
reply.addEventListener("click", function(e) {
e.preventDefault();
var newComment = getCommentTextarea(this);
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}**]({1}/{0}) commented on [{2}]({3} "{4} - Replied by Github Reply Comments"):\n{5}\n\n',
comment.querySelector(".author").textContent,
location.origin,
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 svg = document.createElementNS("http://www.w3.org/2000/svg", "svg");
svg.classList.add("octicon", "octicon-mail-reply");
svg.setAttribute("height", "16");
svg.setAttribute("width", "16");
reply.appendChild(svg);
var path = document.createElementNS("http://www.w3.org/2000/svg", "path");
path.setAttribute("d", "M6 2.5l-6 4.5 6 4.5v-3c1.73 0 5.14 0.95 6 4.38 0-4.55-3.06-7.05-6-7.38v-3z");
svg.appendChild(path);
actions.appendChild(reply);
});
}
// init;
addReplyButtons();
// on pjax;
document.addEventListener('pjax:end', addReplyButtons);
})();
