Removes the User ID from the URL displayed by the "Share" button for questions and answers on Stack Overflow and related sites. For a description of why the User ID was added, see https://meta.stackoverflow.com/q/277769
/* eslint-disable max-len */
// ==UserScript==
// @name Remove User ID from Stack Overflow Share URLs
// @namespace https://kevinlocke.name/userscripts
// @description Removes the User ID from the URL displayed by the "Share" button for questions and answers on Stack Overflow and related sites. For a description of why the User ID was added, see https://meta.stackoverflow.com/q/277769
// @match https://*.askubuntu.com/*
// @match https://*.mathoverflow.net/*
// @match https://*.serverfault.com/*
// @match https://*.stackapps.com/*
// @match https://*.stackexchange.com/*
// @match https://*.stackoverflow.com/*
// @match https://*.superuser.com/*
// @version 1.0.1
// @license MIT
// @grant none
// @supportURL https://github.com/kevinoid/stackoverflow-share-remove-user-id
// ==/UserScript==
/* eslint-enable max-len */
// Note: Domain list from https://stackexchange.com/sites?view=list
'use strict';
// Amount of information to log to the console. Lower = more.
const logLevel = 3;
// Simple logging framework
function notLogged() {}
const log = {
/* eslint-disable no-console */
error: logLevel < 5 ? console.error : notLogged,
warn: logLevel < 4 ? console.warn : notLogged,
info: logLevel < 3 ? console.info : notLogged,
log: logLevel < 2 ? console.log : notLogged,
debug: logLevel < 1 ? (console.debug || console.log) : notLogged
/* eslint-enable no-console */
};
function forEach(arrayLike, callback, thisArg) {
Array.prototype.forEach.call(arrayLike, callback, thisArg);
}
/** Removes the User ID from the URL displayed in response to clicking a
* "Share" link.
*/
function removeUserIDOnClick(evt) {
const {classList} = evt.target;
if (!classList.contains('js-share-link')
&& !classList.contains('short-link')) {
// click was not on "Share" link
log.debug('Ignoring click not on .js-share-link or .short-link.');
return;
}
const inputs = evt.target.parentNode.getElementsByTagName('input');
if (inputs.length === 0) {
log.warn('Could not find "Share" URL input element.');
return;
}
forEach(inputs, (input) => {
// Only change URLs with known formats to avoid breaking other URL formats
const oldUrl = input.value;
const newUrl
= oldUrl.replace(/^(https?:\/\/[^/]*\/[aq]\/[0-9]+)\/[0-9]+$/, '$1');
if (newUrl === oldUrl) {
if (/^https?:\/\/[^/]*\/[aq]\/[0-9]+$/.test(oldUrl)) {
log.debug(`Ignoring "Share" URL without User ID: ${oldUrl}`);
} else {
log.warn(`Ignoring unrecognized "Share" URL: ${oldUrl}`);
}
return;
}
log.debug(`Changed "Share" URL from ${oldUrl} to ${newUrl}`);
input.value = newUrl;
// Changing the value clears the selection. Select the URL text.
input.setSelectionRange(0, newUrl.length);
});
}
// Wait until load event to register click event listener so that it is
// registered (and therefore runs) after the Stack Overflow click listener.
window.addEventListener(
'load',
() => document.addEventListener('click', removeUserIDOnClick, false),
false
);