Github Gist Share

Share your GitHub Gist to Twitter, Dabblet & as userscript.
As of 2014-11-04. See the latest version.
Ask a question, post a review, or report the script.
Wrap lines
// ==UserScript==
// @name        Github Gist Share
// @namespace   https://github.com/jerone/UserScripts/
// @description Share your GitHub Gist to Twitter, Dabblet & as userscript.
// @author      jerone
// @copyright   2014+, jerone (http://jeroenvanwarmerdam.nl)
// @license     GNU GPLv3
// @homepage    https://github.com/jerone/UserScripts/tree/master/Github_Gist_Share
// @homepageURL https://github.com/jerone/UserScripts/tree/master/Github_Gist_Share
// @include     *://gist.github.com/*
// @version     4.4
// @grant       none
// ==/UserScript==
/* global unsafeWindow */
 
(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 socials = {
		Twitter: {
			show: function(/*url, user, description, files, stars, forks, revisions*/) { return true; },
			submit: function(url, user, description, files, stars, forks, revisions) {
				var stats = [];
				if (files > 1) {
					stats.push(files + " files");
				}
				if (stars === 1) {
					stats.push(stars + " star");
				} else if (stars > 1) {
					stats.push(stars + " stars");
				}
				if (forks === 1) {
					stats.push(forks + " fork");
				} else if (forks > 1) {
					stats.push(forks + " forks");
				}
				if (revisions > 1) {
					stats.push(revisions + " revisions");
				}
 
				var tweet = String.format("Check out {0} #gist {1} on @github{2} |",
											user === document.querySelector(".name").textContent.trim() ? "my" : user + "'s",
											description ? "\"" + description + "\"" : "",
											stats.length > 0 ? " | " + stats.join(", ") : "");
 
				return "https://twitter.com/intent/tweet?original_referer=" + encodeURIComponent(url) +
							"&source=tweetbutton&url=" + encodeURIComponent(url) +
							"&text=" + encodeURIComponent(tweet);
			},
			icon: "https://si0.twimg.com/favicons/favicon.ico"
		},
		Dabblet: {
			/*
			 * The following urls should be converted to dabblet:
			 *                                   _______
			 *  - https://gist.github.com/jerone/3810309
			 *                                   _______
			 *  - https://gist.github.com/jerone/3810309/revisions
			 *                                   _______
			 *  - https://gist.github.com/jerone/3810309/forks
			 *                                   _______
			 *  - https://gist.github.com/jerone/3810309/stars
			 *                                   ________________________________________________
			 *  - https://gist.github.com/jerone/3810309/f2815cc6796ea985f74b8f5f3c717e8de3b12d37
			 *                            ________________________________________________
			 *  - https://gist.github.com/3810309/f2815cc6796ea985f74b8f5f3c717e8de3b12d37
			 *
			 */
			show: function(/*url, user, description, files, stars, forks, revisions*/) { return true; },
			submit: function(url, user/*, description, files, stars, forks, revisions*/) {
				var linkLong;
				if ((linkLong = document.querySelector(".site-container.js-site-container")) && linkLong.dataset.url) {
					var linkLongParts = linkLong.dataset.url.split("/");
					linkLongParts.shift();
					if (/^(?:revisions|forks|stars)$/gi.test(linkLongParts[linkLongParts.length - 1])) {
						linkLongParts.pop();
					}
					if (new RegExp(user, "gi").test(linkLongParts[0])) {
						linkLongParts.shift();
					}
					url = "/" + linkLongParts.join("/");
				} else {
					url = url.replace(new RegExp("https?:\/\/gist.github.com/" + user, "gi"), "");
				}
				return "http://dabblet.com/gist" + url;
			},
			icon: "http://dabblet.com/favicon.ico"
		},
		UserScript: {
			show: function(/*url, user, description, files, stars, forks, revisions*/) {
				return !!document.querySelector(".file[id^='file-'] .raw-url[href$='.user.js']");
			},
			submit: function(/*url, user, description, files, stars, forks, revisions*/) {
				return (document.querySelector(".file[id^='file-'] .raw-url[href$='.user.js']") || { href: "" }).href.trim();
			},
			icon: "data:image/png;base64,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"
		}
	};
 
	function addMenuItem() {
		var link, url, menu, li, user, description, files, stars, forks, revisions;
 
		if ((link = document.querySelector(".js-current-repository")) && (menu = document.querySelector('.sunken-menu-group'))) {  // check if we're on an actual gists;
			url = link.href;
			user = document.querySelector(".author.vcard").textContent.trim();
			description = (document.querySelector(".gist-description") || link || { textContent: "" }).textContent.trim();
			files = document.querySelectorAll(".file[id^='file-']").length;
			stars = parseInt((menu.querySelector("a[href$='/stars'] .counter") || { textContent: "0" }).textContent.trim(), 10);
			forks = parseInt((menu.querySelector("a[href$='/forks'] .counter") || { textContent: "0" }).textContent.trim(), 10);
			revisions = parseInt((menu.querySelector("a[href$='/revisions'] .counter") || { textContent: "0" }).textContent.trim(), 10);
 
			menu.appendChild(li = document.createElement("li"));
			li.id = "Github_Gist_Share";
 
			for (var key in socials) {
				if (socials.hasOwnProperty(key)) {
					var social = socials[key],
						socialA = document.createElement("a"),
						socialImg = document.createElement("img");
 
					if (social.show(url, user, description, files, stars, forks, revisions) !== true) { continue; }
 
					li.appendChild(socialA);
					socialA.appendChild(socialImg);
					socialA.id = String.format("{0}_{1}", li.id, key.replace(/\s+/g, "_"));
					socialA.classList.add("sunken-menu-item");
					socialA.href = social.submit && social.submit(url, user, description, files, stars, forks, revisions);
					socialA.title = String.format("[{0}] {1}", key, socialA.href);
					socialA.style.display = "inline-block";
					socialA.target = "_blank";
					socialImg.src = social.icon;
					socialImg.alt = key;
				}
			}
		}
	}
 
	// init;
	addMenuItem();
 
	// on pjax;
	unsafeWindow.$(document).on("pjax:success", addMenuItem);
 
})();