// ==UserScript==
// @name         自动替换网页中的内容F12
// @namespace    https://AiiyiYei.com/tihuan
// @version      2.0
// @description  自动替换网页中的548为AiiyiYei
// @match        https://www.baidu.com/*
// @grant        GM_addStyle
// @run-at       document-start
// ==/UserScript==

(function() {
    // 立即隐藏页面内容
    GM_addStyle('body { visibility: hidden; }');

    // 定义要替换的内容和替换后的内容
    const target = '548';
    const replacement = 'AiiyiYei';

    function replaceTextInNode(node) {
        if (node.nodeType === Node.TEXT_NODE) {
            node.nodeValue = node.nodeValue.replace(new RegExp(target, 'g'), replacement);
        } else {
            for (let i = 0; i < node.childNodes.length; i++) {
                replaceTextInNode(node.childNodes[i]);
            }
        }
    }

    function replaceAllText() {
        replaceTextInNode(document.body);
    }

    // 初始替换
    document.addEventListener('DOMContentLoaded', function() {
        replaceAllText();
        // 显示页面内容
        GM_addStyle('body { visibility: visible; }');
    });

    // 使用 MutationObserver 监听 DOM 变化
    const observer = new MutationObserver(mutationsList => {
        for (const mutation of mutationsList) {
            if (mutation.type === 'childNodes') {
                for (const addedNode of mutation.addedNodes) {
                    replaceTextInNode(addedNode);
                }
            }
        }
    });

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