YouTube Focus

Убирает отвлекающие элементы
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// ==UserScript==
// @name         YouTube Focus
// @namespace    https://greasyfork.org/ru/scripts/570463-youtube-focus
// @author       4c5688
// @license      CC BY-SA
// @version      1.2
// @description  Убирает отвлекающие элементы
// @match        https://www.youtube.com/*
// @match        https://m.youtube.com/*
// @run-at       document-idle
// @grant        none
// @icon         https://favicon.yandex.net/favicon/youtube.com
// ==/UserScript==

(function() {
    'use strict';

    const isMobile = location.hostname.startsWith('m.');

    if (isMobile) {
        if (location.pathname === '/') {
            window.location.replace('https://m.youtube.com/feed/library');
            return;
        }

        const style = document.createElement('style');
        style.textContent = `
            ytm-pivot-bar-renderer {
                display: none !important;
            }
            .related-items-container {
                display: none !important;
            }
        `;
        document.head.appendChild(style);

        function changeMobileLogo() {
            const logoBtn = document.querySelector('ytm-home-logo button');
            if (logoBtn && !logoBtn.dataset.fixed) {
                logoBtn.dataset.fixed = 'true';
                logoBtn.addEventListener('click', (e) => {
                    e.preventDefault();
                    e.stopPropagation();
                    window.location.href = 'https://m.youtube.com/feed/library';
                }, true);
            }
        }

        function hideMobileRecs() {
            document.querySelectorAll(
                '.related-items-container, ytm-item-section-renderer[section-identifier="related-items"]'
            ).forEach(el => el.remove());
        }

        const observerMobile = new MutationObserver(() => {
            changeMobileLogo();
            hideMobileRecs();
        });
        observerMobile.observe(document.body, { childList: true, subtree: true });

        changeMobileLogo();
        hideMobileRecs();

    } else {
        if (location.pathname === '/') {
            window.location.replace('https://www.youtube.com/feed/you');
            return;
        }

        function updateLinks() {
            const logo = document.querySelector('a#logo');
            if (logo) {
                logo.href = 'https://www.youtube.com/feed/you';
                logo.addEventListener('click', e => {
                    window.location.href = 'https://www.youtube.com/feed/you';
                });
            }

            const sidebarHome = document.querySelector('a#endpoint[title="Главная"]');
            if (sidebarHome) {
                sidebarHome.href = 'https://www.youtube.com/feed/you';
                sidebarHome.addEventListener('click', e => {
                    window.location.href = 'https://www.youtube.com/feed/you';
                });
            }
        }

        function hideRecommendationsAndAdjustLayout() {
            const recs = document.querySelectorAll('ytd-watch-next-secondary-results-renderer.style-scope');
            recs.forEach(block => block.style.display = 'none');

            const flexy = document.querySelector('ytd-watch-flexy.style-scope');
            if (flexy) {
                const playerContainer = flexy.querySelector('#secondary');
                if (playerContainer) playerContainer.style.display = 'none';

                const primary = flexy.querySelector('#primary');
                if (primary) primary.style.width = '100%';
            }
        }

        updateLinks();
        hideRecommendationsAndAdjustLayout();

        const observerDesktop = new MutationObserver(() => {
            updateLinks();
            hideRecommendationsAndAdjustLayout();
        });
        observerDesktop.observe(document.body, { childList: true, subtree: true });
    }
})();