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Github Gist Share

Share your GitHub Gist to Twitter, Dabblet, Bl.ocks & as userscript.

// ==UserScript==
// @name             Github Gist Share
// @namespace        https://github.com/jerone/UserScripts/
// @description      Share your GitHub Gist to Twitter, Dabblet, Bl.ocks & as userscript.
// @author           jerone
// @copyright        2014+, jerone (https://github.com/jerone)
// @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_Gist_Share
// @homepageURL      https://github.com/jerone/UserScripts/tree/master/Github_Gist_Share
// @supportURL       https://github.com/jerone/UserScripts/issues
// @contributionURL  https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=VCYMHWQ7ZMBKW
// @icon             https://github.githubassets.com/pinned-octocat.svg
// @include          *://gist.github.com/*
// @version          5.1
// @grant            none
// ==/UserScript==

// cSpell:ignore Dabblet, Bl.ocks, itemprop, tweetbutton
/* eslint security/detect-object-injection: "off" */

(function () {
	String.format = function (string) {
		const 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;
		});
	};

	function Menu(container) {
		const div$0$0 = document.createElement("div");
		div$0$0.classList.add("file-navigation-option");
		div$0$0.id = "Github_Gist_Share";
		container.insertBefore(div$0$0, container.firstChild);

		const div$1$0 = document.createElement("div");
		div$1$0.classList.add(
			"select-menu",
			"js-menu-container",
			"select-menu-modal-left",
			"js-select-menu",
		);
		div$0$0.appendChild(div$1$0);

		const button$2$0 = document.createElement("button");
		button$2$0.classList.add(
			"btn",
			"btn-sm",
			"select-menu-button",
			"icon-only",
			"js-menu-target",
		);
		button$2$0.setAttribute("type", "button");
		div$1$0.appendChild(button$2$0);

		const svg$3$0 = document.createElementNS(
			"http://www.w3.org/2000/svg",
			"svg",
		);
		svg$3$0.classList.add("octicon", "octicon-link-external");
		svg$3$0.setAttributeNS(null, "height", 16);
		svg$3$0.setAttributeNS(null, "version", "1.1");
		svg$3$0.setAttributeNS(null, "viewBox", "0 0 12 16");
		svg$3$0.setAttributeNS(null, "width", 12);
		button$2$0.appendChild(svg$3$0);

		const path$4$0 = document.createElementNS(
			"http://www.w3.org/2000/svg",
			"path",
		);
		path$4$0.setAttributeNS(
			null,
			"d",
			"M11 10h1v3c0 .55-.45 1-1 1H1c-.55 0-1-.45-1-1V3c0-.55.45-1 1-1h3v1H1v10h10v-3zM6 2l2.25 2.25L5 7.5 6.5 9l3.25-3.25L12 8V2H6z",
		);
		svg$3$0.appendChild(path$4$0);

		button$2$0.appendChild(document.createTextNode(" Share "));

		const div$2$1 = document.createElement("div");
		div$2$1.classList.add("select-menu-modal-holder");
		div$1$0.appendChild(div$2$1);

		const div$3$0 = document.createElement("div");
		div$3$0.classList.add(
			"select-menu-modal",
			"select-menu-modal",
			"js-menu-content",
		);
		div$2$1.appendChild(div$3$0);

		const div$4$0 = document.createElement("div");
		div$4$0.classList.add("select-menu-header");
		div$3$0.appendChild(div$4$0);

		const svg$5$0 = document.createElementNS(
			"http://www.w3.org/2000/svg",
			"svg",
		);
		svg$5$0.classList.add("octicon", "octicon-x", "js-menu-close");
		svg$5$0.setAttributeNS(null, "height", 16);
		svg$5$0.setAttributeNS(null, "version", "1.1");
		svg$5$0.setAttributeNS(null, "viewBox", "0 0 12 16");
		svg$5$0.setAttributeNS(null, "width", 12);
		div$4$0.appendChild(svg$5$0);

		const path$6$0 = document.createElementNS(
			"http://www.w3.org/2000/svg",
			"path",
		);
		path$6$0.setAttributeNS(
			null,
			"d",
			"M7.48 8l3.75 3.75-1.48 1.48L6 9.48l-3.75 3.75-1.48-1.48L4.52 8 .77 4.25l1.48-1.48L6 6.52l3.75-3.75 1.48 1.48z",
		);
		svg$5$0.appendChild(path$6$0);

		const span$5$1 = document.createElement("span");
		span$5$1.classList.add("select-menu-title");
		div$4$0.appendChild(span$5$1);

		span$5$1.appendChild(document.createTextNode("Share Gist with…"));

		const div$4$1 = document.createElement("div");
		div$4$1.classList.add("select-menu-list", "js-navigation-container");
		div$3$0.appendChild(div$4$1);

		this.itemsContainer = div$4$1;
	}

	Menu.prototype.AddItem = function (text, title, href, icon, newTab) {
		const a = document.createElement("a");
		a.classList.add("select-menu-item", "js-navigation-item");
		a.setAttribute("href", href);
		if (title) a.setAttribute("title", title);
		if (newTab) a.setAttribute("target", "_blank");
		this.itemsContainer.appendChild(a);

		const i = document.createElement("img");
		i.classList.add("select-menu-item-icon");
		i.setAttribute("src", icon);
		a.appendChild(i);

		const s = document.createElement("span");
		s.classList.add("select-menu-item-text");
		a.appendChild(s);

		s.appendChild(document.createTextNode(text));
	};

	function getValue(elm) {
		return elm ? elm.textContent.trim() : "";
	}

	function getIntValue(elm) {
		return elm ? parseInt(elm.textContent.trim(), 10) : 0;
	}

	function addMenu() {
		const link = document.querySelector(".gist-header-title a");
		const nav = document.querySelector(".file-navigation-options");
		if (link && nav) {
			// Check if we're on an actual gist
			const data = {
				url: link.href,
				user: getValue(
					document.querySelector(".header-nav-current-user strong"),
				),
				author: getValue(
					document.querySelector('.author [itemprop="author"]'),
				),
				description: getValue(
					document.querySelector(".repository-meta-content") || link,
				),
				files: document.querySelectorAll(".file").length,
				stars: getIntValue(
					document.querySelector(
						'a[href$="/stargazers"] .counter, form[action$="/star"] .social-count',
					),
				),
				forks: getIntValue(
					document.querySelector(
						'a[href$="/forks"] .counter, form[action$="/fork"] .social-count',
					),
				),
				revisions: getIntValue(
					document.querySelector('a[href$="/revisions"] .counter'),
				),
			};

			console.log(data);

			const menu = new Menu(nav);

			// Twitter
			// eslint-disable-next-line no-constant-condition
			if (true) {
				const stats = [];
				if (data.files > 1) {
					stats.push(data.files + " files");
				}
				if (data.stars === 1) {
					stats.push(data.stars + " star");
				} else if (data.stars > 1) {
					stats.push(data.stars + " stars");
				}
				if (data.forks === 1) {
					stats.push(data.forks + " fork");
				} else if (data.forks > 1) {
					stats.push(data.forks + " forks");
				}
				if (data.revisions > 1) {
					stats.push(data.revisions + " revisions");
				}

				const tweet = String.format(
					"Check out {0} #gist {1} on @github {2}",
					data.author === data.user ? "my" : data.author + "'s",
					data.description ? '"' + data.description + '"' : "",
					stats.length > 0
						? String.format("- {0} -", stats.join(", "))
						: "-",
				);

				const link =
					"https://twitter.com/intent/tweet" +
					"?original_referer=" +
					encodeURIComponent(data.url) +
					"&source=tweetbutton&url=" +
					encodeURIComponent(data.url) +
					"&text=" +
					encodeURIComponent(tweet);

				const icon =
					"data:image/vnd.microsoft.icon;base64,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";

				menu.AddItem(
					"Twitter",
					tweet + " " + data.url,
					link,
					icon,
					true,
				);
			}

			// Userscripts
			if (
				document.querySelector(
					'.file .file-actions a[href$=".user.js" i]',
				)
			) {
				const icon =
					"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAAKwSURBVHjabJNJTBNRGID/mc5MQYVWVNCGTbEtNZGDBj1ogolEMR5UJA2LBmMoIokxERIj8ehJjx6MYIQoJgq4JIa6gEARkKJFTa2iFFtKWwp2oeDCzNQ+31DQCc5L/nmT/P/3749ACAFBECBxiEPFFds0Ws399DRVhtX2udc97ig0PmgOLBkIbOwjAR8uMRRdvXF7pqv/NfrqnEAOlxsdLas6j3Wk2AEpCRcbKvLydrdu1WUr0lXrITEhAZKUSkhQKvKwXiY2ppbDRzCcv29P/ZZsDaSqUkCJYVJGwKMnHTDlmWgTZ/CvjkW4sKTScP1WC+oZsKAxpwv5gyEUnAkj2xc70p88Y8Y2a8VBxT0gispOGa413UVDb23IMe6OwaEw+jTqQKMOF3pptqBSw7k74hLEPaDUOu0VmpFDV58ZCJIAkiDB5fUBz0eApmjQqbOgrqa69HhVbZO4jKUfmiBJBctysHJFPPiDYbA7J4DjeJDLaWAYGVAyErIy0uDs6RPH9OXVtULWYgfEmN3emJK8BlYrEsHl8cEvloX4ODnEyRlgKGZhV1iOhcz0VNixM7dOCCp2EBkeMF3u6DaNqDasg1U4CzlFxxSRKMyz8xjmsPAQwNmRsc2jxGPkR0esHp7n9RBFrYbyUi1DUzh1GujFG0UBQrNz8P7DR3j+9NklqTEK3VVkbNLkVNZc9AwNW5Hb60PT/gCamg6gEbsT3XvYjvIP6i9gu2ShhOWb+BvLD13O9o3azWrVdy4K3wKhv5HfWW1Q39BY19nechPbzQrVwX9bhU+iIqnyQMF+mPvJQr/FCsHwDJgG30ADhl8Y2wQ4jIUVkpdaZRnPcd6AfxomJ32AIhEwdvaC8XG7JLwwvmXPmVFn52Tu2lvQjN9Crn3M6bWY+6otr3oGpWCB/SPAAJaJRguGUxB0AAAAAElFTkSuQmCC";
				const userscripts = document.querySelectorAll(
					'.file .file-actions a[href$=".user.js"]',
				);
				Array.prototype.forEach.call(
					userscripts,
					function (userscript) {
						const text = String.format(
							'Userscript "{0}"',
							userscript.href.split("/").pop(),
						);
						menu.AddItem(text, null, userscript.href, icon, false);
					},
				);
			}

			// Dabblet
			if (
				document.querySelector(
					".file .type-css, .file .type-html, .file .type-javascript",
				)
			) {
				const link =
					"http://dabblet.com/gist/" + data.url.split("/").pop();
				const icon =
					"data:image/vnd.microsoft.icon;base64,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";
				menu.AddItem("Dabblet", link, link, icon, true);
			}

			// Bl.ocks
			if (
				document.querySelector(
					'.file .file-actions a[href$="index.html" i], .file .file-actions a[href$="README.md" i]',
				)
			) {
				const link = data.url.replace(
					"https://gist.github.com/",
					"https://bl.ocks.org/",
				);
				const icon =
					"data:image/png;base64,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";
				menu.AddItem("Bl.ocks", link, link, icon, true);
			}
		}
	}

	// Init
	addMenu();

	// Pjax
	document.addEventListener("pjax:end", addMenu);
})();