"The economy" -> "Rich people's yacht money" word replacer

te_to_rpym_replacer.js

// ==UserScript==
// @name         "The economy" to "Rich people's yacht money"
// @version      0.1
// @author       SteveHere
// @match        https://*.reddit.com/*
// @grant        none
// ==/UserScript==
// Brought up by: https://twitter.com/onyxaminedlife/status/1334578466851852290
// This is a simple Tampermonkey script in response.
// This should work almost anywhere, as it just looks for text.

(function() { 'use strict';
    function walk(node) {   // I stole this function from here: http://is.gd/mwZp7E
        let counter = 0;
        let tagName = node.tagName ? node.tagName.toLowerCase() : "";
        if (tagName == 'input' || tagName == 'textarea' || (node.classList && node.classList.contains('ace_editor'))) return 0;
        switch ( node.nodeType ) {
            case 1: case 9: case 11: { // Element, Document, Document fragment
                let child = node.firstChild;
                while(child){ counter += walk(child); child = child.nextSibling; }
            } break;
            case 3: // Text node
                node.nodeValue = (v=>{
                    if(v.includes("The economy")){ v = v.replace(/\bThe Economy\b/g, "Rich people's yacht money"); counter++; }
                    if(v.includes("the economy")){ v = v.replace(/\bthe economy\b/g, "rich people's yacht money"); counter++; }
                    return v;
                })(node.nodeValue); break;
        }
        return counter;
    }
    // TODO: change this to only trigger on DOM change
    window.te_to_rpym = setInterval(()=>{
        console.log(document.URL + ": Replaced " + walk(document.body); + " instances.");
    }, 1000);
})();