YearsBack

Fork of my previous script for emojis. Script changes 202X years for 201X.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         YearsBack
// @namespace    http://tampermonkey.net/
// @version      0.0.1
// @description  Fork of my previous script for emojis. Script changes 202X years for 201X.
// @author       huberatelier
// @match        *://*/*
// @icon         https://github.com/huberatelier/huberatelierThemes/blob/main/YearsBack/clock3.png?raw=true
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    const years = {
        '2010': '2010',
        '2011': '2011',
        '2012': '2012',
        '2013': '2013',
        '2014': '2014',
        '2015': '2015',
        '2016': '2016',
    };

    const emojiregex = new RegExp(Object.keys(years).join('|'), 'g');

    function replacetext(node) {
        const original = node.nodeValue;
        const replaced = original.replace(emojiregex, match => years[match]);
        if (replaced !== original) {
            node.nodeValue = replaced;
        }
    }

    function replaceall() {
        const walker = document.createTreeWalker(document.body, NodeFilter.SHOW_TEXT, null, false);
        const nodes = [];

        let node;
        while (node = walker.nextNode()) {
            nodes.push(node);
        }

        nodes.forEach(replacetext);
    }

    window.addEventListener('load', replaceall);

    const observer = new MutationObserver(() => {
        clearTimeout(observer.timeout);
        observer.timeout = setTimeout(replaceall, 100);
    });

    observer.observe(document.body, { childList: true, subtree: true });
})();