// ==UserScript==
// @name         知乎、CSDN链接直接跳转
// @namespace    https://greasyfork.org/
// @version      0.3
// @description  去除知乎、CSDN链接跳转提示，点击链接直接跳转网页
// @author       Derek
// @match        https://*.zhihu.com/*
// @match        https://*.csdn.net/*
// @grant        none
// @require      https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.js
// @license MIT
// @downloadURL none
// ==/UserScript==

function getRealHref(href) {
    try {
        if (href.startsWith(`https://link.zhihu.com/?target=`)) {
            //仅针对link.zhihu.com做跳转，其他不变
            let href_real = href.split(`?target=`)[1];
            return decodeURIComponent(href_real);
        } else {
            return href;
        }
    } catch (e) {
        return href;
    }
}

(function () {
    window.topen = window.open;
    window.open = (a, b) => {
        if (a.startsWith("https://link.csdn.net?target=")) {
            a = a.replace(/https\:\/\/link\.csdn\.net\?target\=/g, '');
            window.topen(decodeURIComponent(a), b);
        } else {
            window.topen(a, b);
        }
    }
    setInterval(() => {
        //对新出现的内容，每秒刷新一次a标签的链接
        let a = $(`a`);
        for (let i = 0; i < a.length; i++) {
            let cur_a = a.eq(i);
            let cur_href = cur_a.attr(`href`);
            if (cur_href) {
                cur_a.attr(`href`, getRealHref(cur_href));
            }
        }
    }, 1000);
})();