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YouTube Transcript

Kopiert das offene YouTube-Transcript zuverlässig in die Zwischenablage

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

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

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==UserScript==
// @name         YouTube Transcript
// @namespace    http://tampermonkey.net/
// @version      1.4
// @description  Kopiert das offene YouTube-Transcript zuverlässig in die Zwischenablage
// @match        https://www.youtube.com/watch*
// @grant        GM_setClipboard
// @run-at       document-idle
// @license MIT
// ==/UserScript==

(function () {
  'use strict';

  const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));

  function log(...args) {
    console.log('[YT Transcript]', ...args);
  }

  function showToast(message, type = 'success') {
    const existing = document.getElementById('yt-transcript-toast');
    if (existing) existing.remove();

    const toast = document.createElement('div');
    toast.id = 'yt-transcript-toast';
    toast.textContent = message;

    toast.style.position = 'fixed';
    toast.style.top = '20px';
    toast.style.right = '20px';
    toast.style.zIndex = '999999';
    toast.style.padding = '10px 16px';
    toast.style.borderRadius = '12px';
    toast.style.background = type === 'error' ? 'rgba(180, 40, 40, 0.95)' : 'rgba(32, 32, 32, 0.95)';
    toast.style.color = '#fff';
    toast.style.fontSize = '14px';
    toast.style.fontWeight = '500';
    toast.style.fontFamily = '"Roboto","Arial",sans-serif';
    toast.style.boxShadow = '0 6px 18px rgba(0,0,0,0.25)';
    toast.style.opacity = '0';
    toast.style.transform = 'translateY(-8px)';
    toast.style.transition = 'opacity 0.2s ease, transform 0.2s ease';
    toast.style.pointerEvents = 'none';

    document.body.appendChild(toast);

    requestAnimationFrame(() => {
      toast.style.opacity = '1';
      toast.style.transform = 'translateY(0)';
    });

    setTimeout(() => {
      toast.style.opacity = '0';
      toast.style.transform = 'translateY(-8px)';
      setTimeout(() => toast.remove(), 220);
    }, 2200);
  }

  function getTranscriptPanels() {
    return [
      ...document.querySelectorAll('ytd-engagement-panel-section-list-renderer')
    ].filter(panel => {
      const targetId =
        panel.getAttribute('target-id') ||
        panel.dataset.targetId ||
        panel.querySelector('[data-target-id]')?.getAttribute('data-target-id') ||
        '';

      return /transcript|PAmodern_transcript_view/i.test(targetId);
    });
  }

  function getVisibleTranscriptPanel() {
    const panels = getTranscriptPanels();

    for (const panel of panels) {
      const style = window.getComputedStyle(panel);
      const hidden =
        panel.hasAttribute('hidden') ||
        style.display === 'none' ||
        style.visibility === 'hidden';

      if (!hidden) return panel;
    }

    return panels[0] || null;
  }

  function getTranscriptRoot() {
    const panel = getVisibleTranscriptPanel();
    if (!panel) return null;

    return (
      panel.querySelector('.ytSectionListRendererContents') ||
      panel.querySelector('#contents') ||
      panel.querySelector('yt-section-list-renderer') ||
      panel.querySelector('#content') ||
      panel
    );
  }

  function getTranscriptSegmentsFromRoot(root) {
    if (!root) return [];

    const modernSegments = [...root.querySelectorAll('transcript-segment-view-model')];
    if (modernSegments.length) {
      return modernSegments.map(seg => {
        const textNode =
          seg.querySelector('.yt-core-attributed-string[role="text"]') ||
          seg.querySelector('span[role="text"]') ||
          seg.querySelector('.yt-core-attributed-string') ||
          seg.querySelector('span');

        const text = textNode ? textNode.textContent.trim() : '';
        return { text };
      }).filter(item => item.text);
    }

    const legacySegments = [...root.querySelectorAll('ytd-transcript-segment-renderer, .cue-group')];
    if (legacySegments.length) {
      return legacySegments.map(seg => {
        const text =
          seg.querySelector('.segment-text')?.textContent?.trim() ||
          seg.querySelector('.cue')?.textContent?.trim() ||
          '';

        return { text };
      }).filter(item => item.text);
    }

    return [];
  }

  function getTranscriptSegments() {
    const root = getTranscriptRoot();
    return getTranscriptSegmentsFromRoot(root);
  }

  async function clickShowTranscriptButton() {
    const buttons = [...document.querySelectorAll('button, yt-button-shape button, tp-yt-paper-button')];

    const btn = buttons.find(el => {
      const text = (el.innerText || el.textContent || '').trim().toLowerCase();
      const aria = (el.getAttribute('aria-label') || '').trim().toLowerCase();
      return (
        text.includes('show transcript') ||
        text.includes('transkript anzeigen') ||
        aria.includes('show transcript') ||
        aria.includes('transkript anzeigen')
      );
    });

    if (btn) {
      btn.click();
      log('Show Transcript geklickt');
      await sleep(2000);
      return true;
    }

    return false;
  }

  async function ensureTranscriptOpen() {
    let segments = getTranscriptSegments();
    if (segments.length) return true;

    await clickShowTranscriptButton();
    await sleep(1500);

    segments = getTranscriptSegments();
    return segments.length > 0;
  }

  async function scrollTranscriptToLoadAll() {
    const root = getTranscriptRoot();
    if (!root) return;

    const scrollBox =
      root.closest('.ytSectionListRendererContents') ||
      root.querySelector('.ytSectionListRendererContents') ||
      root;

    let lastCount = -1;
    let stableRounds = 0;

    for (let i = 0; i < 80; i++) {
      scrollBox.scrollTop = scrollBox.scrollHeight;
      await sleep(300);

      const count = getTranscriptSegments().length;
      log('Segmente nach Scroll:', count);

      if (count === lastCount) {
        stableRounds++;
      } else {
        stableRounds = 0;
      }

      lastCount = count;

      if (stableRounds >= 4) break;
    }

    scrollBox.scrollTop = 0;
    await sleep(200);
  }

  function buildTranscriptText(segments) {
    return segments
      .map(({ text }) => text)
      .filter(Boolean)
      .join('\n');
  }

  async function copyText(text) {
    try {
      if (typeof GM_setClipboard === 'function') {
        GM_setClipboard(text, 'text');
        return true;
      }

      await navigator.clipboard.writeText(text);
      return true;
    } catch (err) {
      console.error(err);

      const ta = document.createElement('textarea');
      ta.value = text;
      ta.style.position = 'fixed';
      ta.style.left = '-9999px';
      document.body.appendChild(ta);
      ta.focus();
      ta.select();
      const ok = document.execCommand('copy');
      ta.remove();
      return ok;
    }
  }

  async function extractTranscript() {
    const ok = await ensureTranscriptOpen();

    if (!ok) {
      showToast('Transcript konnte nicht gefunden oder geöffnet werden.', 'error');
      return;
    }

    const btn = document.getElementById('yt-transcript-copy-btn-fixed');
    if (btn) {
      btn.disabled = true;
      btn.textContent = 'Kopiere...';
      btn.style.opacity = '0.7';
    }

    await scrollTranscriptToLoadAll();

    const segments = getTranscriptSegments();

    if (!segments.length) {
      console.log('Root:', getTranscriptRoot());
      console.log('Panels:', getTranscriptPanels());

      if (btn) {
        btn.disabled = false;
        btn.textContent = 'Transcript kopieren';
        btn.style.opacity = '1';
      }

      showToast('Keine Transcript-Segmente gefunden.', 'error');
      return;
    }

    const text = buildTranscriptText(segments);
    const copied = await copyText(text);

    console.log(text);

    if (btn) {
      btn.disabled = false;
      btn.textContent = 'Transcript kopieren';
      btn.style.opacity = '1';
    }

    if (copied) {
      showToast(`Transcript kopiert: ${segments.length} Segmente.`);
    } else {
      showToast(`Transcript gefunden (${segments.length} Segmente), aber Kopieren fehlgeschlagen.`, 'error');
    }
  }

  function styleButton(btn) {
    btn.style.display = 'inline-flex';
    btn.style.alignItems = 'center';
    btn.style.justifyContent = 'center';
    btn.style.height = '36px';
    btn.style.padding = '0 16px';
    btn.style.marginLeft = '10px';
    btn.style.border = 'none';
    btn.style.borderRadius = '18px';
    btn.style.background = '#f2f2f2';
    btn.style.color = '#0f0f0f';
    btn.style.fontSize = '14px';
    btn.style.fontWeight = '500';
    btn.style.lineHeight = '36px';
    btn.style.cursor = 'pointer';
    btn.style.whiteSpace = 'nowrap';
    btn.style.boxShadow = 'none';
    btn.style.fontFamily = '"Roboto","Arial",sans-serif';
    btn.style.transition = 'background 0.2s ease, opacity 0.2s ease';
    btn.style.flex = '0 0 auto';
    btn.style.verticalAlign = 'middle';
  }

  function addHoverEvents(btn) {
    btn.addEventListener('mouseenter', () => {
      if (!btn.disabled) btn.style.background = '#e5e5e5';
    });

    btn.addEventListener('mouseleave', () => {
      btn.style.background = '#f2f2f2';
    });
  }

  function findCreateButton() {
    const candidates = [...document.querySelectorAll('button, yt-button-shape button, tp-yt-paper-button')];

    return candidates.find(el => {
      const text = (el.innerText || el.textContent || '').trim().toLowerCase();
      const aria = (el.getAttribute('aria-label') || '').trim().toLowerCase();
      return text === 'create' || aria === 'create' || text.includes('create');
    }) || null;
  }

  function placeButtonNextToCreate(btn, createBtn) {
    const reference =
      createBtn.closest('yt-button-view-model') ||
      createBtn.closest('yt-button-shape') ||
      createBtn.parentElement;

    if (!reference || !reference.parentElement) return false;

    const parent = reference.parentElement;

    if (window.getComputedStyle(parent).display.includes('flex')) {
      btn.style.position = 'relative';
      btn.style.top = '0';
      btn.style.right = '0';
      btn.style.marginLeft = '10px';
      btn.style.marginTop = '0';
      btn.style.zIndex = '1';

      if (reference.nextSibling !== btn) {
        reference.insertAdjacentElement('afterend', btn);
      }
      return true;
    }

    return false;
  }

  function createButton() {
    let btn = document.getElementById('yt-transcript-copy-btn-fixed');

    if (!btn) {
      btn = document.createElement('button');
      btn.id = 'yt-transcript-copy-btn-fixed';
      btn.type = 'button';
      btn.textContent = 'Transcript kopieren';
      styleButton(btn);
      addHoverEvents(btn);
      btn.addEventListener('click', extractTranscript);
    }

    const createBtn = findCreateButton();

    if (createBtn && placeButtonNextToCreate(btn, createBtn)) {
      return;
    }

    if (!document.body.contains(btn)) {
      btn.style.position = 'fixed';
      btn.style.top = '20px';
      btn.style.right = '20px';
      btn.style.marginLeft = '0';
      btn.style.zIndex = '999999';
      document.body.appendChild(btn);
    }
  }

  function init() {
    createButton();
  }

  const observer = new MutationObserver(() => {
    createButton();
  });

  window.addEventListener('load', () => {
    init();
    observer.observe(document.body, { childList: true, subtree: true });
  });
})();