Automatically switches YouTube's recommendation column to either "From the series", "from (channel name)", or "Related"
目前為
// ==UserScript==
// @name Youtube Hide Recomended (English)
// @name:ja YouTubeのリコメンド自動切換・非表示(英語環境用)
// @version 2025-05-19
// @description Automatically switches YouTube's recommendation column to either "From the series", "from (channel name)", or "Related"
// @description:ja YouTubeのリコメンド欄を自動でFrom the series、from (チャンネル名)、Relatedのどれかに切り替えます
// @author hirhirbyrd
// @match https://www.youtube.com/*
// @license MIT
// @namespace https://greasyfork.org/users/1467931
// ==/UserScript==
(function() {
'use strict';
let chname = '';
let hasClicked = false; // ← 一度だけ実行するためのフラグ
const observerCallback = () => {
if (!chname || hasClicked) return; // フラグで2回目以降はスキップ
const lists = document.querySelector('div#secondary-inner.style-scope.ytd-watch-flexy');
const elementC = document.querySelector('div#related iron-selector#chips yt-chip-cloud-chip-renderer:has(#text[title="From the series"])');
const elementA = document.querySelector('div#related iron-selector#chips yt-chip-cloud-chip-renderer:has(#text[title="From ' + chname + '"])');
const elementB = document.querySelector('div#related iron-selector#chips yt-chip-cloud-chip-renderer:has(#text[title="Related"])');
if (elementC && elementC.getAttribute('aria-selected') === 'false') {
lists.hidden = false;
elementC.click();
hasClicked = true;
} else if (elementA && elementA.getAttribute('aria-selected') === 'false') {
lists.hidden = false;
elementA.click();
hasClicked = true;
} else if (elementB && elementB.getAttribute('aria-selected') === 'false') {
lists.hidden = false;
elementB.click();
hasClicked = true;
} else if (elementC || elementA || elementAA || elementB) {
// すでに選択済みの場合も処理完了とみなす
hasClicked = true;
} else {
lists.hidden = true;
}
};
const getAuthorFromJSON = () => {
const microformatScript = document.querySelector('#microformat script[type="application/ld+json"]');
if (microformatScript) {
try {
const jsonData = JSON.parse(microformatScript.textContent);
if (jsonData.author) {
chname = typeof jsonData.author === 'string' ? jsonData.author : jsonData.author.name;
console.log("チャンネル名を取得:", chname);
observerCallback(); // 取得後すぐ実行
}
} catch (e) {
console.error("author名の取得に失敗:", e);
}
}
};
// DOMの変化を監視
const observer = new MutationObserver(observerCallback);
observer.observe(document, { childList: true, subtree: true });
// 初期読み込み時に author を取得
window.addEventListener('load', () => {
setTimeout(getAuthorFromJSON, 1000);
});
})();