Replaces em dashes with a comma on ChatGPT
// ==UserScript==
// @name Kill EM Dashes on ChatGPT
// @namespace http://tampermonkey.net/
// @version 1.3
// @description Replaces em dashes with a comma on ChatGPT
// @author livejamie
// @license MIT
// @match https://chatgpt.com/*
// @grant none
// ==/UserScript==
/*
MIT License
Copyright (c) 2025 livejamie
*/
(function() {
'use strict';
function replaceDashes(node) {
if (node.nodeType === Node.TEXT_NODE) {
node.textContent = node.textContent.replace(/\s*[—–]\s*/g, ', ');
} else if (node.nodeType === Node.ELEMENT_NODE) {
node.childNodes.forEach(replaceDashes);
}
}
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
mutation.addedNodes.forEach(replaceDashes);
});
});
observer.observe(document.body, {
childList: true,
subtree: true
});
replaceDashes(document.body);
})();