GitHub Diff Links

A userscript that adds links to diff and pull request headers to jump back & forth between files
目前为 2023-07-01 提交的版本。查看最新版本。
Wrap lines
// ==UserScript==
// @name        GitHub Diff Links
// @version     1.2.18
// @description A userscript that adds links to diff and pull request headers to jump back & forth between files
// @license     MIT
// @author      Rob Garrison
// @namespace   https://github.com/Mottie
// @match       https://github.com/*
// @run-at      document-idle
// @grant       GM_addStyle
// @require     https://gf.qytechs.cn/scripts/28721-mutations/code/mutations.js?version=1108163
// @require     https://gf.qytechs.cn/scripts/398877-utils-js/code/utilsjs.js?version=1079637
// @icon        https://github.githubassets.com/pinned-octocat.svg
// @supportURL  https://github.com/Mottie/GitHub-userscripts/issues
// ==/UserScript==
/* global $ $$ on */
(() => {
	"use strict";
 
	// sometimes tooltips are too narrow...
	// and move diff anchors below sticky header
	GM_addStyle(`
		.gh-diff-links:after { min-width: 120px; }
		a[name*="diff-"]:before {
			padding-top: 60px !important;
			margin-top: -60px !important;
			content: "";
			position: absolute;
		}
		div.file-actions > div {
			display: inline;
		}`
	);
 
	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, temp,
			links = $$(".file-header .file-info a");
		if (links.length) {
			// links & file-actions "should" be the same length
			last = links.length - 1;
			$$(".file-actions").forEach((wrap, indx) => {
				const el = wrap.firstElementChild;
				// remove disabled buttons added before progressive
				// content has completed loading
				temp = $(".gh-diff-links.disabled", el);
				if (temp) {
					temp.parentNode.removeChild(temp);
					// remove both buttons to allow updating
					temp = $(".gh-diff-links", el);
					temp.parentNode.removeChild(temp);
				}
				if (!$(".gh-diff-links", el)) {
					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();
		}
	}
 
	// DOM targets - to detect GitHub dynamic ajax page loading
	on(document, "ghmo:container", init);
	on(document, "ghmo:diff", addLinks);
	init();
 
})();
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