(v2) YouTube History - Patient & Reliable Remove

Adds a single 'X' to remove history items. Reliably removes only one item per click and does NOT hide the video row instantly.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         (v2) YouTube History - Patient & Reliable Remove
// @namespace    http://tampermonkey.net/
// @version      2
// @description  Adds a single 'X' to remove history items. Reliably removes only one item per click and does NOT hide the video row instantly.
// @author       Your Name Here
// @match        https://www.youtube.com/feed/history
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant        none
// @run-at       document-idle
// @license      BY-NC-ND
// ==/UserScript==

(function() {
    'use strict';

    // A "lock" to ensure only one removal operation can run at a time. This prevents race conditions.
    let isRemovalInProgress = false;

    const removeIconSvg = `
        <svg xmlns="http://www.w.org/2000/svg" height="24" viewBox="0 0 24" width="24" focusable="false" style="pointer-events: none; display: inherit; width: 100%; height: 100%;">
            <path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"></path>
        </svg>
    `;

    /**
     * Failsafe: Finds and removes any visible menu popups from the DOM.
     */
    function cleanupOldMenus() {
        document.querySelectorAll('ytd-menu-popup-renderer').forEach(menu => menu.remove());
    }

    /**
     * Processes each video on the page to replace its menu.
     */
    function processVideos() {
        const menuContainers = document.querySelectorAll('.yt-lockup-metadata-view-model__menu-button:not(.direct-remove-processed)');

        menuContainers.forEach(menuContainer => {
            menuContainer.classList.add('direct-remove-processed');
            const originalButton = menuContainer.querySelector('button[aria-label="More actions"]');
            if (!originalButton) return;

            const removeButton = document.createElement('button');
            removeButton.className = 'yt-spec-button-shape-next yt-spec-button-shape-next--text yt-spec-button-shape-next--mono yt-spec-button-shape-next--size-m yt-spec-button-shape-next--icon-button';
            removeButton.setAttribute('aria-label', 'Remove from watch history');
            removeButton.title = 'Remove from watch history';

            const iconContainer = document.createElement('div');
            iconContainer.className = 'yt-spec-button-shape-next__icon';
            iconContainer.setAttribute('aria-hidden', 'true');
            iconContainer.innerHTML = removeIconSvg;
            removeButton.appendChild(iconContainer);

            removeButton.addEventListener('click', (e) => {
                e.preventDefault();
                e.stopPropagation();

                // 1. Check the lock. If an operation is already running, ignore this click.
                if (isRemovalInProgress) {
                    return;
                }

                // 2. Set the lock.
                isRemovalInProgress = true;

                // 3. Clean up any leftover menus from a previous, failed state.
                cleanupOldMenus();

                // NOTE: The code to instantly hide the video row has been REMOVED as requested.

                // 4. Start the background removal process.
                originalButton.click();

                // 5. Wait for the correct menu item to appear.
                let attempts = 0;
                const maxAttempts = 50; // Try for 1 second
                const interval = setInterval(() => {
                    attempts++;
                    const elements = document.querySelectorAll('yt-list-item-view-model');
                    let foundElement = null;

                    for (const el of elements) {
                        if (el.textContent && el.textContent.trim().toLowerCase() === 'remove from watch history') {
                            foundElement = el;
                            break;
                        }
                    }

                    if (foundElement) {
                        clearInterval(interval);
                        foundElement.click();
                        // 6a. SUCCESS: Release the lock for the next click.
                        isRemovalInProgress = false;
                    } else if (attempts > maxAttempts) {
                        clearInterval(interval);
                        // 6b. FAILURE: Release the lock anyway to prevent getting stuck.
                        isRemovalInProgress = false;
                    }
                }, 20);

            }, true);

            menuContainer.innerHTML = '';
            menuContainer.appendChild(removeButton);
        });
    }

    // Standard observer to handle videos loaded by scrolling.
    const observer = new MutationObserver(() => {
        processVideos();
    });

    observer.observe(document.body, {
        childList: true,
        subtree: true
    });

    processVideos();
})();