// ==UserScript==
// @name         网页文本转链接
// @description  网页中文本转为可点击链接 添加颜色下划线
// @version      2.1
// @author       WJ
// @match        *://*/*
// @license      MIT
// @grant        none
// @namespace https://greasyfork.org/users/914996
// @downloadURL none
// ==/UserScript==
(function() {
    'use strict';
    
    const ZZ = /\b([\w.?:/=%&#-]{3,}\.(?:app|aero|aer|art|asia|beer|biz|cat|cc|chat|ci|cloud|club|cn|com|cool|coop|co|dev|edu|email|fit|fun|gov|govt|group|hk|host|icu|info|ink|int|io|jobs|kim|love|ltd|luxe|me|mil|mobi|moe|museum|name|net|nl|network|one|online|org|plus|post|press|pro|red|ren|run|ru|shop|site|si|space|store|tech|tel|top|travel|tv|tw|uk|us|video|vip|wang|website|wiki|wml|work|ws|xin|xyz|yoga|zone)(?!\w)[\w.?:/=%&#-]*)/gi;
    
    // 添加样式
    document.head.insertAdjacentHTML('beforeend', 
        '<style>.domain-highlight{color:#348A87!important;text-decoration:underline!important;cursor:pointer!important}</style>'
    );
    
    // 一次性收集所有文本节点
    const treeWalker = document.createTreeWalker(
        document.body,
        NodeFilter.SHOW_TEXT,
        { 
            acceptNode: (node) => {
                const parent = node.parentNode;
                // 预过滤：跳过不需要处理的节点
                if (parent.tagName === 'SCRIPT' || 
                    parent.tagName === 'STYLE' || 
                    parent.tagName === 'TEXTAREA' || 
                    parent.tagName === 'A' || 
                    parent.isContentEditable) {
                    return NodeFilter.FILTER_REJECT;
                }
                return NodeFilter.FILTER_ACCEPT;
            }
        }
    );
    
    // 批量处理节点
    const nodes = [];
    while (treeWalker.nextNode()) nodes.push(treeWalker.currentNode);
    // 高效处理循环
    for (let i = 0, len = nodes.length; i < len; i++) {
        const node = nodes[i];
        const text = node.textContent;
        // 快速跳过不含域名的文本
        if (!ZZ.test(text)) continue;
        ZZ.lastIndex = 0; // 重置正则
        // 创建替换内容
        let newHtml = text.replace(ZZ, match => {
            return `<a href="${/^https?:\/\//i.test(match) ? '' : 'https://'}${match}" 
                     class="domain-highlight" target="_blank">${match}</a>`;
        });
        // 执行DOM替换
        if (newHtml !== text) {
            const span = document.createElement('span');
            span.innerHTML = newHtml;
            node.replaceWith(span);
        }
    }
})();