GitHub Diff Links

A userscript that adds links to diff and pull request headers to jump back & forth between files

Від 29.12.2016. Дивіться остання версія.

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.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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        GitHub Diff Links
// @version     1.1.2
// @description A userscript that adds links to diff and pull request headers to jump back & forth between files
// @license     https://creativecommons.org/licenses/by-sa/4.0/
// @namespace   http://github.com/Mottie
// @include     https://github.com/*
// @run-at      document-idle
// @grant       GM_addStyle
// @author      Rob Garrison
// ==/UserScript==
/* jshint esnext:true, unused:true */
(() => {
	"use strict";

	// sometimes tooltips are too narrow...
	GM_addStyle(".gh-diff-links:after { min-width: 120px; }");

	const button = document.createElement("a"),
		// button [ InnerHTML, tooltip ]
		nextBtn = ["Next", "Jump to next file\n("],
		prevBtn = ["Prev", "Jump to previous file\n(" ];

	button.className = "btn btn-sm tooltipped tooltipped-s tooltipped-multiline" +
		"gh-diff-links";
	button.setAttribute("rel", "nofollow");

	function addButton(el, content, link) {
		let btn = button.cloneNode(),
			txt = el.classList.contains("select-menu-item") ?
				$(".description", el).textContent :
				link.textContent || "";
		// clean up whitespace
		txt = txt.replace(/\s+/g, " ").trim();
		// only add file name to tooltip
		txt = txt.substring(txt.lastIndexOf("/") + 1, txt.length);
		btn.innerHTML = content[0];
		btn.setAttribute("aria-label", content[1] + txt + ")" );
		btn.href = link.hash;
		// prepend button
		el.insertBefore(btn, el.childNodes[0]);
	}

	function addSpace(el, content) {
		let btn = button.cloneNode();
		btn.disabled = true;
		btn.className = "btn btn-sm gh-diff-links disabled";
		btn.innerHTML = content[0];
		el.insertBefore(btn, el.childNodes[0]);
	}

	function addLinks() {
		let last,
			diffLinks = $$(".gh-diff-links"),
			links = $$(`
				#toc ol.content li > a,
				.pr-toolbar .toc-select .select-menu-item
			`);
		// add diff links if they don't already exist
		if (links.length !== diffLinks.length) {
			// remove old links (just in case)
			diffLinks.forEach(el => {
				el.parentNode.removeChild(el);
			});
			// links & file-actions "should" be the same length
			last = links.length - 1;
			$$(".file-actions").forEach((el, indx) => {
				if (indx === 0) {
					addButton(el, nextBtn, links[indx + 1]);
					addSpace(el, prevBtn);
				} else if (indx === last) {
					// add dummy "next" button to keep spacing
					addSpace(el, nextBtn);
					addButton(el, prevBtn, links[indx - 1]);
				} else {
					addButton(el, nextBtn, links[indx + 1]);
					addButton(el, prevBtn, links[indx - 1]);
				}
			});
		}
	}

	function init() {
		if ($("#files.diff-view") || $(".pr-toolbar")) {
			addLinks();
		}
	}

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

	document.addEventListener("pjax:end", init);
	init();

})();