GitHub Remove Diff Signs

A userscript that removes the "+" and "-" from code diffs

Verze ze dne 25. 03. 2017. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name          GitHub Remove Diff Signs
// @version       1.1.0
// @description   A userscript that removes the "+" and "-" from code diffs
// @license       https://creativecommons.org/licenses/by-sa/4.0/
// @namespace     https://github.com/Mottie
// @include       https://github.com/*
// @grant         none
// @run-at        document-idle
// @author        Rob Garrison
// ==/UserScript==
(() => {
	"use strict";

	let debounce,
		busy = false,
		observers = [];

	function processDiff() {
		busy = true;
		if (document.querySelector(".highlight")) {
			let indx = 0,

				els = document.querySelectorAll(`
					.blob-code-deletion .blob-code-inner,
					.blob-code-addition .blob-code-inner`
				),
				len = els.length,

				// target "+" and "-" at start
				regex = /^[+-]/,

				// loop with delay to allow user interaction
				loop = () => {
					let el, txt,
						// max number of DOM insertions per loop
						max = 0;
					while ( max < 50 && indx < len ) {
						if (indx >= len) {
							return;
						}
						el = els[indx];
						txt = el.childNodes[0].textContent;
						el.childNodes[0].textContent = txt.replace(regex, " ");
						max++;
						indx++;
					}
					if (indx < len) {
						setTimeout(() => {
							loop();
						}, 200);
					}
				};
			loop();
		}
		busy = false;
	}

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

	function removeObservers() {
		observers.forEach(observer => {
			if (observer) {
				observer.disconnect();
			}
		});
		observers = [];
	}

	function addObservers() {
		// DOM targets - to detect GitHub dynamic ajax page loading
		Array.from(
			// Observe progressively loaded content
			document.querySelectorAll(`
				.js-diff-progressive-container,
				.js-diff-load-container`
			)
		).forEach(target => {
			const obsrvr = new MutationObserver(mutations => {
				mutations.forEach(mutation => {
					// preform checks before adding code wrap to minimize function calls
					const tar = mutation.target;
					if (!busy && tar && (
							tar.classList.contains("js-diff-load-container") ||
							tar.classList.contains("blob-wrapper")
						)
					) {
						clearTimeout(debounce);
						debounce = setTimeout(() => {
							processDiff();
						}, 500);
					}
				});
			});
			obsrvr.observe(target, {
				childList: true,
				subtree: true
			});
			observers.push(obsrvr);
		});
	}

	function init() {
		removeObservers();
		if (document.querySelector("#files.diff-view")) {
			addObservers();
			processDiff();
		}
	}

	init();

})();