Github Reply Comments

Easy reply to Github comments

À data de 24/04/2019. Ver a versão mais recente.

Terá de instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

Terá de instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Terá de instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Terá de instalar uma extensão como Tampermonkey para instalar este script.

Terá de instalar uma extensão de gestão de scripts de utilizador para instalar este script.

(Já tenho um gestor de scripts de utilizador, deixe-me instalá-lo!)

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

(Já tenho um gestor de estilos de utilizador, deixe-me instalá-lo!)

// ==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     CC-BY-NC-SA-4.0; https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode
// @license     GPL-3.0-or-later; http://www.gnu.org/licenses/gpl-3.0.txt
// @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     1.0.2
// @icon        https://github.githubassets.com/pinned-octocat.svg
// @grant       none
// @include     https://github.com/*
// @include     https://gist.github.com/*
// @require     https://unpkg.com/[email protected]/dist/turndown.js
// @require     https://unpkg.com/[email protected]/dist/turndown-plugin-gfm.js
// @require     https://unpkg.com/[email protected]/turndown-plugin-github-code-snippet.js
// ==/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;
		});
	};

	var turndownService = new TurndownService({ headingStyle: 'atx', codeBlockStyle: 'fenced', hr: '***' });
	turndownService.use(turndownPluginGfm.gfm);
	turndownService.use(turndownPluginGithubCodeSnippet);

	function getCommentTextarea(replyBtn) {
		var newComment = replyBtn;
		while (newComment && !newComment.classList.contains("js-quote-selection-container")) {
			newComment = newComment.parentNode;
		}

		var inlineComment = newComment.querySelector(".js-inline-comment-form-container");
		if (inlineComment) {
			inlineComment.classList.add("open");
		}

		var textareas = newComment.querySelectorAll(":scope > :not(.last-review-thread) .comment-form-textarea");
		return textareas[textareas.length - 1];
	}

	function getCommentMarkdown(comment) {
		var commentText = "";

		// Use raw comment when available.
		var commentForm = comment.querySelector(".comment-form-textarea");
		if (commentForm) {
			commentText = commentForm.value;
		}

		// Convert comment HTML to markdown.
		if (!commentText) {
			// Clone it, so we can alter the HTML a bit, without modifing the page.
			var commentBody = comment.querySelector(".comment-body").cloneNode(true);

			// Remove 'Toggle code wrap' buttons from https://greasyfork.org/en/scripts/18789-github-toggle-code-wrap
			Array.prototype.forEach.call(commentBody.querySelectorAll(".ghd-wrap-toggle"), function (ghd) {
				ghd.remove();
			});

			// GitHub add an extra new line, which is converted by Turndown.
			Array.prototype.forEach.call(commentBody.querySelectorAll("pre code"), function (pre) {
				pre.innerHTML = pre.innerHTML.replace(/\n$/g, '');
			});

			commentText = turndownService.turndown(commentBody.innerHTML);
		}

		return commentText;
	}

	function addReplyButtons() {
		Array.prototype.forEach.call(document.querySelectorAll(".comment, .review-comment"), function (comment) {
			var oldReply = comment.querySelector(".GithubReplyComments, .GithubCommentEnhancerReply");
			if (oldReply) {
				oldReply.parentNode.removeChild(oldReply);
			}

			var header = comment.querySelector(":scope > :not(.minimized-comment) .timeline-comment-header"),
				actions = comment.querySelector(":scope > :not(.minimized-comment) .timeline-comment-actions");

			if (!header) {
				header = actions;
			}

			if (!actions) {
				if (!header) {
					return;
				}
				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 timestamp = comment.querySelector(".timestamp");

				var commentText = getCommentMarkdown(comment);
				commentText = commentText.trim().split("\n").map(function (line) {
					return "> " + line;
				}).join("\n");

				var newComment = getCommentTextarea(this);

				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);

})();