顯示動畫瘋封面 & 視覺圖

在動畫瘋網站顯示該集封面 & 視覺圖
当前为 2022-11-24 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         顯示動畫瘋封面 & 視覺圖
// @namespace    https://github.com/zica87/self-made-userscipts
// @version      1.0
// @description  在動畫瘋網站顯示該集封面 & 視覺圖
// @author       zica
// @match        https://ani.gamer.com.tw/animeVideo.php?sn=*
// @grant        none
// @license      GPL-2.0
// ==/UserScript==

(function () {
    'use strict';

    // 顯示視覺圖
    const visual = document.createElement('img');
    visual.src = document.getElementsByName('thumbnail')[0].content;
    Object.assign(visual.style, {
        maxHeight: '40rem',
        float: 'right',
        margin: '10px 10px auto 10px'
    });
    document.getElementsByClassName('anime-title')[0].prepend(visual);
    document.getElementsByClassName('anime-ad')[0].style.position = 'static';

    // 顯示封面
    const cover = document.createElement('img');
    Object.assign(cover.style, {
        width: '100%',
        maxWidth: 'initial',
        height: '100%',
        objectFit: 'contain',
    });

    const video_container_observer = new MutationObserver((video_container_elements, video_container_observerInstance) => {
        video_container_observerInstance.disconnect();
        const ani_video_observer = new MutationObserver((ani_video_elements, ani_video_observerInstance) => {
            const ncc = document.getElementsByClassName('video-cover-ncc')[0];
            if (ncc) {
                ani_video_observerInstance.disconnect();
                const dummyVideo = document.getElementById('ani_video_html5_api');
                if (dummyVideo) {
                    cover.src = dummyVideo.poster;
                    const agreeButton = document.getElementById('adult');
                    cover.onclick = () => {
                        cover.remove();
                        agreeButton.click();
                    };
                }
                else {
                    // 需要年齡驗證
                    cover.src = get_cover_url();
                    cover.onclick = () => {
                        cover.remove();
                        ncc.hidden = false;
                    };
                }
                ncc.before(cover);
                ncc.hidden = true;
            }
        });
        ani_video_observer.observe(video_container_elements[0].addedNodes[0], {
            childList: true,
            subtree: true
        });
    });
    video_container_observer.observe(document.getElementById('video-container'), {
        childList: true
    });

    function get_cover_url() {
        const allScript = document.getElementsByTagName('script');
        const someScript = allScript[allScript.length - 1].textContent;
        // example:
        // <script>
        // animefun.videoSn = 31725;
        // animefun.poster = 'https://p2.bahamut.com.tw/B/2KU/40/1b6bfb1aa1636596a99ef069081j21w5.JPG';
        const ed = someScript.search('\';');
        // [18] == '=' (in front of 31725)
        const st = someScript.slice(18, ed).search('\'');
        const cover_url = someScript.slice(st + 18 + 1, ed);
        return cover_url;
    }
})();
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