Convert MP4 Text Links to Video

Convert all MP4 text links in the page to video elements.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Convert MP4 Text Links to Video
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Convert all MP4 text links in the page to video elements.
// @author       Eddie
// @match        https://sehuatang.org/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    // 定义正则表达式以匹配以.mp4结尾的URL
    const mp4Regex = /https?:\/\/[^\s]+?\.mp4/g;

    function replaceTextWithVideo(element) {
        element.childNodes.forEach((node) => {
            if (node.nodeType === Node.TEXT_NODE) {
                const matches = [];
                let match;

                while (match = mp4Regex.exec(node.nodeValue)) {
                    matches.push(match);
                }

                if (matches.length > 0) {
                    const fragment = document.createDocumentFragment();
                    let lastIndex = 0;

                    matches.forEach((match) => {
                        const index = match.index;
                        const matchText = match[0];

                        // 添加前置文本(如果有)
                        if (index > lastIndex) {
                            fragment.appendChild(document.createTextNode(node.nodeValue.slice(lastIndex, index)));
                        }

                        // 创建并配置一个新的video元素
                        const videoElement = document.createElement('video');
                        videoElement.src = matchText;
                        videoElement.controls = true;
                        videoElement.style.maxWidth = '100%';
                        videoElement.style.height = 'auto';
                        fragment.appendChild(videoElement);

                        lastIndex = index + matchText.length;
                    });

                    // 添加剩余文本(如果有)
                    if (lastIndex < node.nodeValue.length) {
                        fragment.appendChild(document.createTextNode(node.nodeValue.slice(lastIndex)));
                    }

                    // 替换原始节点
                    node.parentNode.replaceChild(fragment, node);
                }
            } else if (node.nodeType === Node.ELEMENT_NODE) {
                // 递归处理子元素
                replaceTextWithVideo(node);
            }
        });
    }

    // 从文档根节点开始替换文本链接
    replaceTextWithVideo(document.body);
})();