Native Emoji on Mastodon

native-emoji_mastodon.user.js

// ==UserScript==
// @name         Native Emoji - Mastodon
// @namespace    shadenexus
// @version      0.1
// @description  Replace emoji images with glyphs
// @author       Gwyndolyn Marchant
// @match        slime.global
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var ready = true;
    function replaceEmoji() {
        if (!ready) return;
        ready = false;
        setTimeout(() => { ready = true }, 50);
        const matches = document.querySelectorAll("img.emojione:not(.custom-emoji)");
        matches.forEach(i => i.replaceWith(document.createTextNode(i.alt)));
    }

    window.addEventListener("scroll", replaceEmoji);
    document.querySelector("div.columns-area__panels__main").addEventListener("mousemove", replaceEmoji);
})();