Function callback

Lanzou-Enhanced.user.js:605–624

(mutationsList, observer)

    // 监听并修改右键菜单 [外链分享地址] 为 [复制并打开分享链接] / [复制分享链接] / [打开分享链接] 之一
    function viewTop() {
        const callback = (mutationsList, observer) => {
            for (const mutation of mutationsList) {
                for (const target of mutation.addedNodes) {
                    if (target.nodeType != 1) return
                    if (target.className === 'f_view') {
                        //console.log(target)
                        let f_viewtop = target.querySelector('.f_viewtop');
                        if (f_viewtop && f_viewtop.textContent === '外链分享地址') {
                            if (menu_value('menu_open_fileSha') && menu_value('menu_copy_fileSha')) {
                                f_viewtop.textContent = '复制并打开分享链接';
                            } else if (menu_value('menu_open_fileSha')) {
                                f_viewtop.textContent = '打开分享链接';
                            } else if (menu_value('menu_copy_fileSha')) {
                                f_viewtop.textContent = '复制分享链接';
                            }
                        }
                    }
                }
            }
        };
        const observer = new MutationObserver(callback);
        observer.observe(mainframe.document, { childList: true, subtree: true });
    }