Stops reddit from tracking your inbound and outbound clicks
// ==UserScript==
// @name Block reddit click tracking
// @namespace mjhcfwlmjfzg778evppa995xavvt2nmb
// @description Stops reddit from tracking your inbound and outbound clicks
// @match *://*.reddit.com/*
// @version 1.1
// @grant none
// @run-at document-start
// ==/UserScript==
(function () {
"use strict";
var expiredDate = Date.now().toString();
// Capturing event listener on the outermost element.
// Runs FIRST, before any others.
function beforeClick(e) {
var target = e.target;
if (target.tagName && target.tagName.toUpperCase() === "A" && target.dataset.hrefUrl) {
// Remove link tracking attributes
delete target.dataset.inboundUrl;
delete target.dataset.outboundUrl;
// Mark outbound link as expired so reddit code
// does not try to use it
if (target.dataset.outboundExpiration) {
target.dataset.outboundExpiration = expiredDate;
}
}
}
// Bubbling event listener on the outermost element.
// Runs LAST, just before the click goes through
// (unless reddit code adds any others afterwards)
function justBeforeClick(e) {
var target = e.target;
// If reddit event handlers modified the link, change it back
if (target.tagName && target.tagName.toUpperCase() === "A" && target.dataset.hrefUrl) {
target.href = target.dataset.hrefUrl;
}
}
// Mark both event listeners as passive so they
// won't impact scroll performance
var doCapture = { capture: true, passive: true };
var doBubble = { capture: false, passive: true };
window.addEventListener("mousedown", beforeClick, doCapture);
window.addEventListener("keydown", beforeClick, doCapture);
window.addEventListener("touchstart", beforeClick, doCapture);
window.addEventListener("mousedown", justBeforeClick, doBubble);
window.addEventListener("keydown", justBeforeClick, doBubble);
window.addEventListener("touchstart", justBeforeClick, doBubble);
// Patch navigator.sendBeacon() if it is available
if (typeof Navigator.prototype.sendBeacon === "function") {
// Fake sendBeacon() function that does nothing
Navigator.prototype.sendBeacon = function sendBeacon(url) {
return true;
};
}
})();