youtube.com - Declutter Youtube

Removes all reccomended & homepage functionality, only search, subscriptions, comments and channels are now availible. Shorts are also disabled.

スクリプトをインストールするには、Tampermonkey, GreasemonkeyViolentmonkey のような拡張機能のインストールが必要です。

You will need to install an extension such as Tampermonkey to install this script.

スクリプトをインストールするには、TampermonkeyViolentmonkey のような拡張機能のインストールが必要です。

スクリプトをインストールするには、TampermonkeyUserscripts のような拡張機能のインストールが必要です。

このスクリプトをインストールするには、Tampermonkeyなどの拡張機能をインストールする必要があります。

このスクリプトをインストールするには、ユーザースクリプト管理ツールの拡張機能をインストールする必要があります。

(ユーザースクリプト管理ツールは設定済みなのでインストール!)

このスタイルをインストールするには、Stylusなどの拡張機能をインストールする必要があります。

このスタイルをインストールするには、Stylus などの拡張機能をインストールする必要があります。

このスタイルをインストールするには、Stylus tなどの拡張機能をインストールする必要があります。

このスタイルをインストールするには、ユーザースタイル管理用の拡張機能をインストールする必要があります。

このスタイルをインストールするには、ユーザースタイル管理用の拡張機能をインストールする必要があります。

このスタイルをインストールするには、ユーザースタイル管理用の拡張機能をインストールする必要があります。

(ユーザースタイル管理ツールは設定済みなのでインストール!)

このスクリプトの質問や評価の投稿はこちら通報はこちらへお寄せください
// ==UserScript==
// @name         youtube.com -  Declutter Youtube
// @namespace    local.yt.tweaks
// @version      1.0.1
// @description  Removes all reccomended & homepage functionality, only search, subscriptions, comments and channels are now availible. Shorts are also disabled.
// @match        https://www.youtube.com/*
// @match        https://m.youtube.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

// ---- Redirect Shorts -> Watch using the SAME video id (SPA-safe) ----
(function shortsToWatchRedirect() {
  function getShortsIdFromPath(pathname) {
    const m = pathname.match(/^\/shorts\/([^\/?#]+)/i);
    return m ? m[1] : null;
  }

  function redirectIfShorts() {
    const id = getShortsIdFromPath(location.pathname);
    if (!id) return;

    const target = `https://www.youtube.com/watch?v=${encodeURIComponent(id)}`;

    // avoid loops / redundant replaces
    if (location.href.startsWith(target)) return;

    location.replace(target);
  }

  // Direct loads
  redirectIfShorts();

  // YouTube internal SPA events (best signal)
  window.addEventListener("yt-navigate-start", redirectIfShorts, true);
  window.addEventListener("yt-navigate-finish", redirectIfShorts, true);

  // History API patch (covers SPA route changes)
  const push = history.pushState;
  const replace = history.replaceState;

  history.pushState = function () {
    const r = push.apply(this, arguments);
    queueMicrotask(redirectIfShorts);
    return r;
  };

  history.replaceState = function () {
    const r = replace.apply(this, arguments);
    queueMicrotask(redirectIfShorts);
    return r;
  };

  window.addEventListener("popstate", redirectIfShorts);

  // Safety net: URL changes without events
  let lastHref = location.href;
  setInterval(() => {
    if (location.href !== lastHref) {
      lastHref = location.href;
      redirectIfShorts();
    }
  }, 250);
})();

(function () {
  "use strict";

  // ---------- Helpers ----------
  function addStyle(id, cssText) {
    if (!cssText || !cssText.trim()) return;
    const existing = document.getElementById(id);
    if (existing) existing.remove();

    const style = document.createElement("style");
    style.id = id;
    style.type = "text/css";
    style.appendChild(document.createTextNode(cssText));
    document.documentElement.appendChild(style);
  }

  function onReady(fn) {
    if (document.readyState === "loading") {
      document.addEventListener("DOMContentLoaded", fn, { once: true });
    } else {
      fn();
    }
  }

  // ---------- CSS ----------
  const CSS_COMMON_DESKTOP = `
/* Common */

#frosted-glass {
  display: none !important;
}

::-webkit-scrollbar {
  width: 15px !important;
}

::-webkit-scrollbar-thumb {
  background-color: rgba(128, 128, 128, 0.594) !important;
}

#country-code {
  display: none;
}

/* Youtube Home */

#endpoint[title='Shorts'] { display: none !important; }
#endpoint[title='Trending'] { display: none !important; }
#endpoint[title='Music'] { display: none !important; }
#endpoint[title='Gaming'] { display: none !important; }
#endpoint[title='Sports'] { display: none !important; }

#items ytd-mini-guide-entry-renderer.ytd-mini-guide-renderer:nth-child(2) {
  display: none !important;
}

ytd-two-column-browse-results-renderer[page-subtype='home']
  div:nth-child(1)
  ytd-rich-grid-renderer:nth-child(1) {
  display: none !important;
}

/* Youtube Watch */

#related { display: none !important; }

#secondary.ytd-watch-flexy {
  width: min-content !important;
  min-width: 0 !important;
}

.videowall-endscreen { display: none !important; }

/* Youtube Home Revert */

ytd-topbar-logo-renderer#logo {
  position: unset !important;
  left: unset !important;
  top: unset !important;
  transform: unset !important;
}

#logo-icon {
  height: 20px !important;
  width: 97px !important;
}

#center.ytd-masthead {
  position: unset !important;
  top: unset !important;
  left: unset !important;
  min-width: unset !important;
  transform: unset !important;
}

.gstl_50.sbdd_a {
  left: 50% !important;
  top: 6% !important;
  translate: -62% 0 !important;
}

a.ytd-mini-guide-entry-renderer { width: 64px !important; }

ytd-mini-guide-entry-renderer[aria-label='Home'] {
  display: flex !important;
}

ytd-mini-guide-entry-renderer[aria-label='Subscriptions'],
ytd-mini-guide-entry-renderer[aria-label='YouTube Music'],
ytd-mini-guide-entry-renderer[aria-label='You'],
ytd-mini-guide-entry-renderer[aria-label='Downloads'] {
  position: unset !important;
  left: unset !important;
  top: unset !important;
  transform: unset !important;
}

ytd-mini-guide-renderer.ytd-app {
  display: unset !important;
  z-index: unset !important;
}
  `.trim();

  const CSS_HOME_DESKTOP = `
ytd-topbar-logo-renderer#logo {
  position: fixed !important;
  left: 50% !important;
  top: 37vh !important;
  transform: translate(-11vh, -50%) !important;
}

#logo-icon {
  height: 10vh !important;
  width: 20vh !important;
}

#center.ytd-masthead {
  position: fixed !important;
  top: 47vh !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  min-width: 588px !important;
  max-width: 700px !important;
}

.gstl_50.sbdd_a {
  left: 50% !important;
  top: 50% !important;
  translate: -58.5% -2px !important;
}

ytd-mini-guide-entry-renderer[aria-label='Home'] { display: none !important; }
ytd-mini-guide-entry-renderer[aria-label='History'] { display: none !important; }

ytd-mini-guide-entry-renderer[aria-label='YouTube Music'] {
  position: fixed !important;
  top: 57vh !important;
  left: 40% !important;
  transform: translate(-50%, -50%) !important;
}

ytd-mini-guide-entry-renderer[aria-label='Subscriptions'] {
  position: fixed !important;
  top: 57vh !important;
  left: 46.66% !important;
  transform: translate(-50%, -50%) !important;
}

ytd-mini-guide-entry-renderer[aria-label='You'] {
  position: fixed !important;
  top: 57vh !important;
  left: 53.32% !important;
  transform: translate(-50%, -50%) !important;
}

ytd-mini-guide-entry-renderer[aria-label='Downloads'] {
  position: fixed !important;
  top: 57vh !important;
  left: 60% !important;
  transform: translate(-50%, -50%) !important;
}

a.ytd-mini-guide-entry-renderer { width: 80px !important; }

ytd-mini-guide-renderer.ytd-app {
  display: block !important;
  z-index: 1 !important;
}
  `.trim();

  const CSS_WATCH_DESKTOP = `
ytd-mini-guide-renderer.ytd-app {
  display: none !important;
}
  `.trim();

  const CSS_MOBILE = `
#filter-chip-bar { display: none !important; }

ytm-pivot-bar-renderer ytm-pivot-bar-item-renderer:nth-child(2) {
  display: none !important;
}

.tab-content[tab-title='Home'] {
  display: none !important;
}

ytm-item-section-renderer[data-content-type='related'] {
  display: none !important;
}
  `.trim();

  // ---------- JS (from your files, lightly wrapped) ----------
  function runDesktopGenericScript() {
    let eFlag = false;

    let observer3 = new MutationObserver(function (mutationsList) {
      for (const mutation of mutationsList) {
        if (mutation.type === "childList" && mutation.addedNodes.length > 0) {
          if (!eFlag) {
            const sections = document.getElementById("sections");
            if (sections) {
              const trending = document.querySelector('#endpoint[title="Trending"]');
              if (trending) {
                const explore = trending.parentElement.parentElement.parentElement;
                explore.style.display = "none";
                eFlag = true;
              }
            }
          }
          if (eFlag && observer3) {
            observer3.disconnect();
            observer3 = null;
            break;
          }
        }
      }
    });

    observer3.observe(document, { childList: true, subtree: true });
  }

  function runDesktopHomeScript() {
    let eFlag = false;

    let observer1 = new MutationObserver(function (mutationsList) {
      for (const mutation of mutationsList) {
        if (mutation.type === "childList" && mutation.addedNodes.length > 0) {
          if (!eFlag) {
            const searchInput = document.querySelector("#search");
            if (searchInput) searchInput.focus();

            const sections = document.getElementById("sections");
            if (sections) {
              const menuButton = document.getElementById("guide-button");
              if (menuButton && menuButton.getAttribute("data-pressed") == null) {
                menuButton.click();
                menuButton.setAttribute("data-pressed", "true");
              }

              const trending = document.querySelector('#endpoint[title="Trending"]');
              if (trending) {
                const explore = trending.parentElement.parentElement.parentElement;
                explore.style.display = "none";
                eFlag = true;
              }
            }
          }

          if (eFlag && observer1) {
            observer1.disconnect();
            observer1 = null;
            break;
          }
        }
      }
    });

    observer1.observe(document, { childList: true, subtree: true });
  }

  function runDesktopWatchScript() {
    let vFlag = false;
    let eFlag = false;

    let observer2 = new MutationObserver(function (mutationsList) {
      for (const mutation of mutationsList) {
        if (mutation.type === "childList" && mutation.addedNodes.length > 0) {
          if (!vFlag) {
            const moviePlayer = document.getElementById("movie_player");
            if (moviePlayer) {
              const videoContainer = moviePlayer.children[0];
              if (videoContainer && videoContainer.children[0]) vFlag = true;
            }
          }

          if (!eFlag) {
            const sections = document.getElementById("sections");
            if (sections) {
              const trending = document.querySelector('#endpoint[title="Trending"]');
              if (trending) {
                const explore = trending.parentElement.parentElement.parentElement;
                explore.style.display = "none";
                eFlag = true;
              }
            }
          }

          if (vFlag && eFlag && observer2) {
            observer2.disconnect();
            observer2 = null;
            break;
          }
        }
      }
    });

    observer2.observe(document, { childList: true, subtree: true });
  }

  // ---------- Routing ----------
  function applyForCurrentPage() {
    const host = location.hostname;
    const path = location.pathname;

    const isMobile = host === "m.youtube.com";
    const isWatch = path === "/watch";
    const isHome = path === "/";

    if (isMobile) {
      addStyle("yt-tweaks-mobile", CSS_MOBILE);
      return;
    }

    addStyle("yt-tweaks-common", CSS_COMMON_DESKTOP);

    if (isHome) {
      addStyle("yt-tweaks-home", CSS_HOME_DESKTOP);
      runDesktopHomeScript();
      return;
    }

    if (isWatch) {
      addStyle("yt-tweaks-watch", CSS_WATCH_DESKTOP);
      runDesktopWatchScript();
      return;
    }

    runDesktopGenericScript();
  }

  // Re-apply on SPA navigation changes
  let lastUrl = location.href;

  function watchUrlChanges() {
    const newUrl = location.href;
    if (newUrl !== lastUrl) {
      lastUrl = newUrl;
      applyForCurrentPage();
    }
  }

  applyForCurrentPage();

  const spaObserver = new MutationObserver(watchUrlChanges);
  spaObserver.observe(document.documentElement, { childList: true, subtree: true });

  onReady(applyForCurrentPage);
})();