Gist Raw Links

Add a button that contains a list of gist raw file links

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

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Gist Raw Links
// @version     0.2.2
// @description Add a button that contains a list of gist raw file links
// @license     MIT
// @author      Rob Garrison
// @namespace   https://github.com/Mottie
// @match       https://gist.github.com/*
// @run-at      document-idle
// @grant       GM_addStyle
// @grant       GM.addStyle
// @grant       GM_xmlhttpRequest
// @grant       GM.xmlHttpRequest
// @connect     api.github.com
// @connect     assets-cdn.github.com
// @require     https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js?updated=20180103
// @icon        https://github.githubassets.com/pinned-octocat.svg
// @supportURL  https://github.com/Mottie/GitHub-userscripts/issues
// ==/UserScript==

/* global GM */
(() => {
	"use strict";

	GM.addStyle(`
		.ghrl-get-list, .ghrl-files a { cursor:pointer; }
		.ghrl-files div { text-align:center; }
		.gist-count-links { z-index: 21; }
	`);

	const item = document.createElement("li");
	item.className = "d-inline-block mr-3";

	function addButton(node) {
		const button = item.cloneNode();
		button.innerHTML = `
			<details class="details-reset details-overlay select-menu ghrl-wrapper">
				<summary class="select-menu-button" aria-haspopup="menu">
					<span class="ghrl-get-list" data-menu-button>🍣 Raw urls</span>
				</summary>
				<details-menu class="select-menu-modal position-absolute ghrl-files" style="z-index: 99;" role="menu" aria-label="Raw gist links">
					<div class="select-menu-list">
						<img src="https://github.githubassets.com/images/spinners/octocat-spinner-32.gif" width="32">
					</div>
				</details-menu>
			</details>`;
		node.insertBefore(button, node.childNodes[0]);
	}

	function update() {
		const gists = $$(".gist-snippet");
		let indx = gists.length;
		if (indx) {
			while (indx--) {
				// only save dabblet files from list
				if (!$(".ghrl-get-list", gists[indx])) {
					addButton($(".gist-snippet-meta ul", gists[indx]));
				}
			}
		}
	}

	function addList(link, files) {
		let html = "";
		Object.keys(files).forEach(file => {
			// remove version sha from raw_url to always point at
			// the latest version of the file - see #18
			const url = files[file].raw_url.replace(/raw\/\w+\//, "raw/");
			html += `
				<a href="${url}" class="select-menu-item ghrl-file" role="menuitem">
					${file}
				</a>`;
		});
		$(".ghrl-files", link.closest("li")).innerHTML = html;
	}

	function loadFileList(link) {
		let el = link.closest("li");
		el = $("a", el && el.nextElementSibling);
		if (el) {
			const gistid = el.href.split("/").slice(-1);
			GM.xmlHttpRequest({
				method : "GET",
				url : `https://api.github.com/gists/${gistid}`,
				onload : response => {
					if (response.status !== 200) {
						$(".ghrl-files", link.parentNode).innerHTML = response.message;
						return console.error(response);
					}
					let json = false;
					try {
						json = JSON.parse(response.responseText);
					} catch (err) {
						return console.error(`Invalid JSON for gist ${gistid}`);
					}
					if (json && json.files) {
						addList(link, json.files);
					}
				}
			});
		}
	}

	function addBindings() {
		document.addEventListener("click", function(event) {
			const target = event.target.closest("details");
			if (target && target.classList.contains("ghrl-wrapper")) {
				loadFileList(target);
			}
		});
	}

	function $(str, el) {
		return (el || document).querySelector(str);
	}

	function $$(str, el) {
		return Array.from((el || document).querySelectorAll(str));
	}

	document.addEventListener("pjax:end", update);
	update();
	addBindings();
})();