A userscript that removes the "+" and "-" from code diffs
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// ==UserScript==
// @name GitHub Remove Diff Signs
// @version 1.2.2
// @description A userscript that removes the "+" and "-" from code diffs
// @license MIT
// @author Rob Garrison
// @namespace https://github.com/Mottie
// @include https://github.com/*
// @run-at document-idle
// @grant GM_addStyle
// @require https://greasyfork.org/scripts/28721-mutations/code/mutations.js?version=264157
// @icon https://assets-cdn.github.com/pinned-octocat.svg
// ==/UserScript==
(() => {
"use strict";
GM_addStyle(`.diff-table .blob-code-inner:before {
user-select: none;
content: "\\a0";
}`);
function processDiff() {
if (document.querySelector(".highlight")) {
let indx = 0,
els = document.querySelectorAll(`span.blob-code-inner:not([data-ghrds])`),
len = els.length;
// loop with delay to allow user interaction
function loop() {
let el, txt, firstNode,
// max number of DOM insertions per loop
max = 0;
while ( max < 50 && indx < len ) {
if (indx >= len) {
return;
}
el = els[indx];
if (!el.getAttribute("data-ghrds")) {
firstNode = el.childNodes[0];
txt = firstNode.textContent || "";
// remove the leading +, - or first space
// the github-code-show-whitespace.user.js script is applied
firstNode.textContent = txt.slice(1);
el.setAttribute("data-ghrds", true);
}
max++;
indx++;
}
if (indx < len) {
setTimeout(() => {
loop();
}, 200);
}
}
loop();
}
}
// Observe GitHub dynamic content
document.addEventListener("ghmo:container", init);
document.addEventListener("ghmo:diff", processDiff);
function init() {
if (document.querySelector("#files.diff-view")) {
processDiff();
}
}
init();
})();