TamperMonkey script to prevent 'password' field type update

prevent_pass_field_updates.js

// ==UserScript==
// @name         Prevent 'password' field type update
// @namespace    http://tampermonkey.net/
// @version      2024-08-13
// @description  prevent users or buttons from changing the type of a password field to access the saved password.
// @author       Pierowheelz
// @match        *://*/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=tampermonkey.net
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const passInputs = [];

    const findPassInputs = () => {
        const foundInputs = document.querySelectorAll("input[type=password]");
        foundInputs.forEach( foundInput => {
            if( !passInputs.includes(foundInput) ){
                console.log("Found password input: ", foundInput);
                passInputs.push( foundInput );
            }
        } );
    };

    const fixInputs = () => {
        passInputs.forEach( passInput => {
            if( !passInput ){
                return;
            }
            const inputType = passInput.type ?? 'password';
            if( 'password' !== inputType ){
                passInput.type = 'password';
                console.log("Password input fixed: ", passInput);
            }
        } );
    }

    findPassInputs();
    setInterval( findPassInputs, 5000 );
    setInterval( fixInputs, 500 );
})();