稳定展开YouTube评论和回复，包括“显示更多回复”。兼容新界面。
// ==UserScript==
// @name YouTube コメントと返信を自動展開 ✅
// @name:en YouTube Auto Expand Comments and Replies ✅
// @name:ja YouTube コメントと返信を自動展開 ✅
// @name:zh-CN 自动展开 YouTube 评论与回复 ✅
// @name:zh-TW 自動展開 YouTube 評論與回覆 ✅
// @name:ko YouTube 댓글 및 답글 자동 확장 ✅
// @name:fr Déploiement automatique des commentaires YouTube ✅
// @name:es Expansión automática de comentarios de YouTube ✅
// @name:de YouTube-Kommentare automatisch erweitern ✅
// @name:pt-BR Expandir automaticamente os comentários do YouTube ✅
// @name:ru Авторазворачивание комментариев на YouTube ✅
// @description 安定動作でYouTubeのコメントと返信、「他の返信を表示」も自動展開！現行UIに完全対応。
// @description:en Reliably auto-expands YouTube comments, replies, and "Show more replies". Fully updated for current UI.
// @description:ja 安定動作でYouTubeのコメントと返信、「他の返信を表示」も自動展開！現行UIに完全対応。
// @description:zh-CN 稳定展开YouTube评论和回复，包括“显示更多回复”。兼容新界面。
// @description:zh-TW 穩定展開YouTube評論和回覆，包括「顯示更多回覆」。支援最新介面。
// @description:ko YouTube의 댓글과 답글을 안정적으로 자동 확장. 최신 UI에 대응.
// @description:fr Déploie automatiquement les commentaires et réponses YouTube. Compatible avec la nouvelle interface.
// @description:es Expande automáticamente los comentarios y respuestas en YouTube. Totalmente actualizado para la nueva interfaz.
// @description:de Erweiterung von YouTube-Kommentaren und Antworten – automatisch und zuverlässig. Für aktuelle Oberfläche optimiert.
// @description:pt-BR Expande automaticamente comentários e respostas no YouTube. Compatível com a nova UI.
// @description:ru Автоматически разворачивает комментарии и ответы на YouTube. Полностью адаптирован к новому интерфейсу.
// @version 5.7.1
// @namespace https://github.com/koyasi777/youtube-auto-comment-expander
// @author koyasi777
// @match *://www.youtube.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant GM_registerMenuCommand
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_addStyle
// @run-at document-end
// @license MIT
// @homepageURL https://github.com/koyasi777/youtube-auto-comment-expander
// @supportURL https://github.com/koyasi777/youtube-auto-comment-expander/issues
// ==/UserScript==
(function() {
'use strict';
class ConfigManager {
constructor() {
this.defaults = {
scriptEnabled: true,
debugMode: false,
initialDelay: 2500,
clickInterval: 130,
expandComments: true,
expandReplies: true,
expandNestedReplies: true,
expandLongComments: true,
};
this.config = {};
this.load();
}
load() { for (const key in this.defaults) this.config[key] = GM_getValue(key, this.defaults[key]); }
get(key) { return this.config[key]; }
set(key, value) { this.config[key] = value; GM_setValue(key, value); }
reset() { for (const key in this.defaults) this.set(key, this.defaults[key]); }
registerMenu() {
GM_registerMenuCommand('⚙️ コメント自動展開 設定', () => this.showSettingsPrompt());
GM_registerMenuCommand('🗑️ 設定をリセット', () => { if (confirm('本当に全ての設定をリセットしますか？')) { this.reset(); alert('設定がリセットされました。ページをリロードして反映させてください。'); } });
}
showSettingsPrompt() {
const newSettings = {};
for (const key in this.defaults) {
const currentValue = this.get(key), type = typeof this.defaults[key];
let newValue = prompt(`${key} (${type}) [デフォルト: ${this.defaults[key]}]\n現在の値: ${currentValue}`, currentValue);
if (newValue === null) return;
if (type === 'boolean') newSettings[key] = newValue.toLowerCase() === 'true';
else if (type === 'number') { newSettings[key] = parseInt(newValue, 10); if (isNaN(newSettings[key])) newSettings[key] = this.defaults[key]; }
else newSettings[key] = newValue;
}
for (const key in newSettings) this.set(key, newSettings[key]);
alert('設定が更新されました。ページをリロードして反映させてください。');
}
}
class YouTubeCommentExpander {
constructor(config) {
this.config = config;
this.mainObserver = null;
this.actionObserver = null;
this.readMoreObserver = null;
this.rules = [
{ name: 'ExpandComments', selector: 'ytd-comments > #sections > #contents > ytd-continuation-item-renderer, ytd-engagement-panel-section-list-renderer > #contents > ytd-continuation-item-renderer', condition: () => this.config.get('expandComments') },
{ name: 'ExpandReplies', selector: '#more-replies', condition: () => this.config.get('expandReplies') },
{ name: 'ExpandNestedReplies', selector: 'ytd-comment-replies-renderer ytd-continuation-item-renderer button', condition: () => this.config.get('expandNestedReplies') },
];
}
log(level, ...args) { if (!this.config.get('debugMode')) return; console.log(`[YTCE:${level.toUpperCase()}]`, ...args); }
setupObservers() {
this.actionObserver = new IntersectionObserver(async (entries, observer) => {
for (const entry of entries) {
if (entry.isIntersecting && this.config.get('scriptEnabled')) {
const target = entry.target;
observer.unobserve(target);
this.log('debug', 'Action target in view, clicking.', target);
await new Promise(resolve => setTimeout(resolve, this.config.get('clickInterval')));
const clickable = target.querySelector('button, yt-button-shape') || target;
clickable.click();
}
}
}, { rootMargin: '0px 0px 500px 0px' });
if (this.config.get('expandLongComments')) {
this.readMoreObserver = new IntersectionObserver(async (entries, observer) => {
for (const entry of entries) {
if (entry.isIntersecting && this.config.get('scriptEnabled')) {
const button = entry.target;
observer.unobserve(button);
this.log('debug', 'ReadMore button in view, clicking.', button);
await new Promise(resolve => setTimeout(resolve, this.config.get('clickInterval')));
button.click();
await new Promise(resolve => setTimeout(resolve, 200));
const commentViewModel = button.closest('ytd-comment-view-model, ytd-comment-renderer');
if (commentViewModel) {
const lessButton = commentViewModel.querySelector('.less-button, tp-yt-paper-button#less');
if (lessButton) lessButton.style.display = 'none';
}
}
}
}, { threshold: 0.1 });
}
}
observeNewNodes(node) {
if (!(node instanceof Element)) return;
for (const rule of this.rules) {
if (rule.condition()) {
if (node.matches(rule.selector)) this.actionObserver.observe(node);
node.querySelectorAll(rule.selector).forEach(el => this.actionObserver.observe(el));
}
}
if (this.readMoreObserver) {
const readMoreSelector = '#content-text[collapsed], .more-button.ytd-comment-view-model, tp-yt-paper-button#more:not([aria-expanded="true"])';
if (node.matches(readMoreSelector)) this.readMoreObserver.observe(node);
node.querySelectorAll(readMoreSelector).forEach(btn => this.readMoreObserver.observe(btn));
}
}
start(commentsContainer) {
if (!this.config.get('scriptEnabled')) {
this.log('info', 'Script is disabled by toggle, not starting.');
return false;
}
if (!commentsContainer) { this.log('error', 'start() called without a valid container.'); return false; }
this.stop();
this.log('info', 'Comment container found. Starting observers.', commentsContainer);
this.setupObservers();
this.observeNewNodes(commentsContainer);
this.mainObserver = new MutationObserver((mutations) => {
for (const mutation of mutations) {
for (const node of mutation.addedNodes) this.observeNewNodes(node);
}
});
this.mainObserver.observe(commentsContainer, { childList: true, subtree: true });
this.log('info', 'All observers started.');
return true;
}
stop() {
if (this.mainObserver) { this.mainObserver.disconnect(); this.mainObserver = null; }
if (this.actionObserver) { this.actionObserver.disconnect(); this.actionObserver = null; }
if (this.readMoreObserver) { this.readMoreObserver.disconnect(); this.readMoreObserver = null; }
this.log('info', 'All observers stopped and state reset.');
}
}
class UIManager {
constructor(configManager, expander) {
this.configManager = configManager;
this.expander = expander;
this.toggleContainerId = 'ytce-toggle-container';
this.toggle = null;
this.uiObserver = null;
this.icons = {
on: `<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 0 24 24" width="24" focusable="false"><path d="M16.59 8.59 12 13.17 7.41 8.59 6 10l6 6 6-6z"></path></svg>`,
off: `<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 0 24 24" width="24" focusable="false"><path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"></path></svg>`,
};
this.tooltips = {
on: { ja: 'コメント自動展開: ON', en: 'Auto-expand comments: ON' },
off: { ja: 'コメント自動展開: OFF', en: 'Auto-expand comments: OFF' }
};
this.injectStyles();
}
injectStyles() {
GM_addStyle(`
#${this.toggleContainerId} {
position: relative; display: flex; align-items: center; margin-left: 16px;
border: 1px solid var(--yt-spec-mono-10, #ccc); border-radius: 16px;
padding: 2px 8px; height: 30px; cursor: pointer;
background-color: var(--yt-spec-badge-chip-background, #f2f2f2);
box-shadow: 0 1px 2px rgba(0,0,0,0.05);
transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out;
-webkit-tap-highlight-color: transparent;
}
#${this.toggleContainerId}:hover {
background-color: var(--yt-spec-mono-15, #e0e0e0);
}
#${this.toggleContainerId}.ytce-active {
background-color: var(--yt-spec-brand-button-background, #1c62b9);
border-color: var(--yt-spec-brand-button-background, #1c62b9);
}
.ytce-toggle-icon {
width: 15px; height: 15px; margin-right: 6px;
display: flex; align-items: center; pointer-events: none;
}
.ytce-toggle-icon svg {
width: 15px; height: 15px;
fill: var(--yt-spec-icon-inactive, #606060);
transition: fill 0.2s ease-in-out;
}
#${this.toggleContainerId}.ytce-active .ytce-toggle-icon svg {
fill: #fff;
}
.ytce-toggle-switch {
position: relative; display: inline-block; width: 28px; height: 14px; pointer-events: none;
}
.ytce-toggle-slider {
position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
background-color: #aaa; transition: .3s; border-radius: 14px;
}
.ytce-toggle-slider:before {
position: absolute; content: ""; height: 10px; width: 10px;
left: 2px; bottom: 2px; background-color: white;
transition: .3s; border-radius: 50%;
}
input:checked + .ytce-toggle-slider {
background-color: var(--yt-spec-call-to-action, #065fd4);
}
#${this.toggleContainerId}.ytce-active input:checked + .ytce-toggle-slider {
background-color: rgba(255,255,255,0.4);
}
input:checked + .ytce-toggle-slider:before {
transform: translateX(14px);
}
#${this.toggleContainerId} .ytce-toggle-switch input {
opacity: 0 !important; width: 0 !important; height: 0 !important;
position: absolute !important; z-index: -1 !important; pointer-events: none !important;
}
`);
}
createToggleElement() {
if (document.getElementById(this.toggleContainerId)) return null;
const container = document.createElement('div');
container.id = this.toggleContainerId;
const tooltip = document.createElement('tp-yt-paper-tooltip');
tooltip.setAttribute('role', 'tooltip');
const tooltipText = document.createElement('div');
tooltipText.id = 'tooltip';
tooltipText.className = 'style-scope tp-yt-paper-tooltip';
tooltip.appendChild(tooltipText);
const iconDiv = document.createElement('div');
const switchLabel = document.createElement('label');
switchLabel.className = 'ytce-toggle-switch';
const checkbox = document.createElement('input');
checkbox.type = 'checkbox';
const slider = document.createElement('span');
slider.className = 'ytce-toggle-slider';
switchLabel.append(checkbox, slider);
container.append(iconDiv, switchLabel, tooltip);
this.toggle = { container, checkbox, iconDiv, tooltipText };
container.addEventListener('click', (e) => {
e.stopPropagation();
checkbox.checked = !checkbox.checked;
this.onToggleChange();
});
const initialState = this.configManager.get('scriptEnabled');
checkbox.checked = initialState;
this.updateToggleVisuals(initialState);
return container;
}
onToggleChange() {
const isEnabled = this.toggle.checkbox.checked;
this.configManager.set('scriptEnabled', isEnabled);
this.updateToggleVisuals(isEnabled);
this.expander.log('info', `Script ${isEnabled ? 'enabled' : 'disabled'} by toggle.`);
if (isEnabled) {
const commentsContainer = getCurrentCommentsContainer();
if (commentsContainer) this.expander.start(commentsContainer);
} else {
this.expander.stop();
}
}
updateToggleVisuals(isEnabled) {
if (!this.toggle) return;
this.toggle.iconDiv.innerHTML = this.icons[isEnabled ? 'on' : 'off'];
this.toggle.iconDiv.className = `ytce-toggle-icon ${isEnabled ? 'on' : 'off'}`;
this.toggle.container.classList.toggle('ytce-active', isEnabled);
const lang = document.documentElement.lang.startsWith('ja') ? 'ja' : 'en';
this.toggle.tooltipText.textContent = this.tooltips[isEnabled ? 'on' : 'off'][lang];
}
observeCommentsHeader(containerSelector, sortMenuSelector, sortMenuLabelSelector, insertMode) {
waitForElement(containerSelector, (container) => {
this.stop();
const updateUI = () => this.updateCommentsHeaderUI(sortMenuSelector, sortMenuLabelSelector, insertMode);
this.uiObserver = new MutationObserver(updateUI);
this.uiObserver.observe(container, { childList: true, subtree: true });
updateUI();
this.expander.log('info', `UI Observer started for "${containerSelector}".`);
});
}
updateCommentsHeaderUI(sortMenuSelector, sortMenuLabelSelector, insertMode) {
const sortMenu = document.querySelector(sortMenuSelector);
if (!sortMenu) return;
if (!document.getElementById(this.toggleContainerId)) {
const toggleElement = this.createToggleElement();
if (toggleElement) {
if (insertMode === 'append') {
sortMenu.parentElement.appendChild(toggleElement);
} else if (insertMode === 'after') {
sortMenu.insertAdjacentElement('afterend', toggleElement);
}
this.expander.log('debug', 'Toggle UI injected.');
}
}
const label = document.querySelector(sortMenuLabelSelector);
if (label && label.style.display !== 'none') {
label.style.display = 'none';
this.expander.log('debug', 'Sort menu label hidden.');
}
}
initForWatchPage() {
this.observeCommentsHeader(
'ytd-comments#comments',
'#comments #sort-menu',
'#comments #sort-menu #icon-label',
'append'
);
}
initForShortsPage() {
this.observeCommentsHeader(
'ytd-engagement-panel-section-list-renderer[target-id="engagement-panel-comments-section"]',
'ytd-engagement-panel-title-header-renderer #menu',
'ytd-engagement-panel-title-header-renderer #menu #icon-label',
'after'
);
}
stop() {
if (this.uiObserver) {
this.uiObserver.disconnect();
this.uiObserver = null;
this.expander.log('info', 'UI Observer stopped.');
}
}
}
const configManager = new ConfigManager();
let expander = null;
let uiManager = null;
let currentPath = '';
function waitForElement(selector, callback, timeout = 15000) {
let timeoutId = null;
const observer = new MutationObserver((mutations, obs) => {
const element = document.querySelector(selector);
if (element) {
if (timeoutId) clearTimeout(timeoutId);
obs.disconnect();
callback(element);
}
});
timeoutId = setTimeout(() => {
observer.disconnect();
expander?.log('warn', `waitForElement timed out for selector: ${selector}`);
}, timeout);
observer.observe(document.body, { childList: true, subtree: true });
}
function getCurrentCommentsContainer() {
if (location.pathname.startsWith('/watch')) {
return document.querySelector('ytd-comments#comments');
} else if (location.pathname.startsWith('/shorts/')) {
return document.querySelector('ytd-engagement-panel-section-list-renderer[target-id="engagement-panel-comments-section"]');
}
return null;
}
function initializeScript() {
const path = location.pathname + location.search;
if (currentPath === path && expander) return;
currentPath = path;
if (expander) expander.stop();
if (uiManager) uiManager.stop();
expander = new YouTubeCommentExpander(configManager);
uiManager = new UIManager(configManager, expander);
setTimeout(() => {
if (location.pathname.startsWith('/shorts/')) {
expander.log('info', 'Shorts page detected. Initializing...');
const commentsButtonSelector = '#comments-button button, #comments-button a';
waitForElement(commentsButtonSelector, (button) => {
button.click();
const commentsContainerSelector = 'ytd-engagement-panel-section-list-renderer[target-id="engagement-panel-comments-section"]';
waitForElement(commentsContainerSelector, (container) => {
uiManager.initForShortsPage();
if (configManager.get('scriptEnabled')) expander.start(container);
});
});
} else if (location.pathname.startsWith('/watch')) {
expander.log('info', 'Watch page detected. Initializing...');
uiManager.initForWatchPage();
const commentsContainerSelector = 'ytd-comments#comments';
waitForElement(commentsContainerSelector, (container) => {
if (configManager.get('scriptEnabled')) expander.start(container);
});
} else {
expander.log('info', 'Not a watch/shorts page. Script is idle.');
}
}, configManager.get('initialDelay'));
}
configManager.registerMenu();
window.addEventListener('yt-navigate-finish', initializeScript, true);
initializeScript();
})();