A userscript that removes the "+" and "-" from code diffs
// ==UserScript==
// @name GitHub Remove Diff Signs
// @version 1.0.0
// @description A userscript that removes the "+" and "-" from code diffs
// @license https://creativecommons.org/licenses/by-sa/4.0/
// @namespace http://github.com/Mottie
// @include https://github.com/*
// @run-at document-idle
// @author Rob Garrison
// ==/UserScript==
/*jshint unused:true */
(function() {
"use strict";
var busy = false,
processDiff = function() {
busy = true;
if (document.querySelector(".highlight")) {
var 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 = function() {
var el, txt,
// max number of DOM insertions per loop
max = 0;
while ( max < 20 && 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(function(){
loop();
}, 200);
}
};
loop();
}
busy = false;
},
init = function() {
if (document.querySelector("#files.diff-view")) {
processDiff();
}
},
// DOM targets - to detect GitHub dynamic ajax page loading
targets = document.querySelectorAll([
"#js-repo-pjax-container",
"#js-pjax-container"
].join(","));
// update TOC when content changes
Array.prototype.forEach.call(targets, function(target) {
new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
// preform checks before adding code wrap to minimize function calls
if (!busy && mutation.target === target) {
init();
}
});
}).observe(target, {
childList: true,
subtree: true
});
});
init();
})();