GitHub Diff Filename

A userscript that highlights filename & permission alterations

Від 17.05.2018. 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 Filename
// @version     1.0.3
// @description A userscript that highlights filename & permission alterations
// @license     MIT
// @author      Rob Garrison
// @namespace   https://github.com/Mottie
// @include     https://github.com/*
// @run-at      document-end
// @grant       GM_getValue
// @grant       GM_setValue
// @require     https://greasyfork.org/scripts/28721-mutations/code/mutations.js?version=597950
// @icon        https://assets-cdn.github.com/pinned-octocat.svg
// ==/UserScript==
(() => {
	"use strict";

	const arrow = "\u2192", // "→"
		regex = new RegExp(`\\s${arrow}\\s`);

	function processFileInfo(el) {
		let node;
		if (!$(".ghdfn", el)) {
			const link = $("a", el);
			// A file can be moved AND include permission changes
			// e.g. main.js → scripts/main.js 100755 → 100644
			// with file name inside link and permission changes outside in a text node
			if (link && regex.test(link.textContent)) {
				node = findMatchingNode(link)[0];
				processNode(node);
			}
			node = findMatchingNode(el)[0];
			processNode(node);
		}
	}

	function processNode(node) {
		if (node) {
			let txt = node.textContent,
				// modify right node first to maintain node text indexing
				middle = txt.indexOf(arrow);
			if (middle > -1) {
				wrapParts({
					start: middle + 2,
					end: txt.length,
					name: "ghdfn text-green",
					node
				});
			}
			middle = node.textContent.indexOf(arrow);
			if (middle > -1) {
				wrapParts({
					start: 0,
					end: middle - 1,
					name: "ghdfn text-red",
					node
				});
			}
		}
	}

	function findMatchingNode(el) {
		return [...el.childNodes].filter(
			node => regex.test(node.textContent) && node.nodeType === 3
		);
	}

	function wrapParts(data) {
		let newNode, tmpNode;
		const {start, end, name, node} = data;
		if (node && node.nodeType === 3) {
			tmpNode = node.splitText(start);
			tmpNode.splitText(end - start);
			newNode = document.createElement("span");
			newNode.className = name;
			newNode.textContent = tmpNode.textContent;
			tmpNode.parentNode.replaceChild(newNode, tmpNode);
		}
	}

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

	function $$(str, el = document) {
	  return [...el.querySelectorAll(str)];
	}

	function init() {
		if ($("#files")) {
			$$("#files .file-info").forEach(el => {
				processFileInfo(el);
			});
		}
	}

	document.addEventListener("ghmo:container", init);
	document.addEventListener("ghmo:diff", init);
	init();

})();