// ==UserScript==
// @name         Douyin embedded videos on voz
// @namespace    Douyin on voz
// @version      1.0
// @description  Replace Douyin links with embedded videos on Voz forum
// @icon         https://www.google.com/s2/favicons?sz=64&domain=voz.vn
// @author       kylyte
// @match        https://voz.vn/t/*
// @match        https://voz.vn/conversations/*
// @match        https://voz.vn/whats-new/profile-posts/*
// @match        https://voz.vn/u/*
// @run-at       document-idle
// @license      GPL-3.0
// @grant        GM_xmlhttpRequest
// @connect      douyin.com
// @run-at       document-idle
// ==/UserScript==
(function() {
'use strict';
function createIframe(videoId) {
var iframe = document.createElement('iframe');
iframe.width = "325";
iframe.height = "735";
iframe.frameBorder = "0";
iframe.src = `https://open.douyin.com/player/video?vid=${videoId}&autoplay=0`;
iframe.referrerPolicy = "unsafe-url";
iframe.allowFullscreen = true;
return iframe;
}
function replaceDouyinLinks() {
document.querySelectorAll('a.link--external').forEach(function(link) {
var href = link.href;
if (href) {
if (href.includes('v.douyin.com')) {
GM_xmlhttpRequest({
method: "GET",
url: href,
onload: function(response) {
var finalUrl = response.finalUrl;
var videoIdMatch = finalUrl.match(/video\/(\d+)/);
if (videoIdMatch && videoIdMatch[1]) {
var videoId = videoIdMatch[1];
var iframe = createIframe(videoId);
link.parentNode.replaceChild(iframe, link);
}
}
});
} else if (href.includes('www.douyin.com/video/')) {
var videoIdMatch = href.match(/video\/(\d+)/);
if (videoIdMatch && videoIdMatch[1]) {
var videoId = videoIdMatch[1];
var iframe = createIframe(videoId);
link.parentNode.replaceChild(iframe, link);
}
}
}
});
}
window.addEventListener('load', replaceDouyinLinks);
const observer = new MutationObserver(replaceDouyinLinks);
observer.observe(document.body, { childList: true, subtree: true });
})();