DCInside 자짤 차단기

자짤 숨기기

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。

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

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         DCInside 자짤 차단기
// @namespace    http://tampermonkey.net/
// @version      0.5
// @description  자짤 숨기기
// @match        *://gall.dcinside.com/*
// @grant        none
// @license MIT
// @run-at       document-start
// ==/UserScript==

(function () {
  'use strict';

  // ----- 스타일 (동일) -----
  const style = document.createElement('style');
  style.textContent = `
    img[src*="viewimage.php"] { display: none !important; }
    img[srcset*="viewimage.php"] { display: none !important; }
    img[data-src*="viewimage.php"] { display: none !important; }
    picture > source[srcset*="viewimage.php"] ~ img { display: none !important; }

    img[src*="viewimage.php"][data-fileno],
    img[srcset*="viewimage.php"][data-fileno],
    img[data-src*="viewimage.php"][data-fileno],
    img[src*="viewimage.php"][data-tempno],
    img[srcset*="viewimage.php"][data-tempno],
    img[data-src*="viewimage.php"][data-tempno],
    img[src*="viewimage.php"][onclick*="imgPop"],
    img[srcset*="viewimage.php"][onclick*="imgPop"],
    img[data-src*="viewimage.php"][onclick*="imgPop"],
    img[src*="viewimage.php"][data-original],
    img[srcset*="viewimage.php"][data-original],
    img[data-src*="viewimage.php"][data-original] { display: block !important; }

    img.dcij-show { display: block !important; }

    .dcij-wrap { position: relative; display: inline-block; max-width: 100%; }

    .dcij-toggle {
      padding: 4px 8px;
      font-size: 12px;
      line-height: 1;
      border: 1px solid rgba(0,0,0,.15);
      background: rgba(255,255,255,.95);
      border-radius: 6px;
      cursor: pointer;
      user-select: none;
      box-shadow: 0 1px 3px rgba(0,0,0,.08);
      transition: opacity .2s;
    }
    .dcij-toggle[data-state="hidden"]::after { content: "보기"; }
    .dcij-toggle[data-state="visible"]::after { content: "숨기기"; }

    /* 숨김: 버튼은 흐름(static), 항상 보임 */
    .dcij-wrap[data-state="hidden"] .dcij-toggle {
      position: static;
      display: inline-block;
      margin: 4px 0 8px 0;
      opacity: 1;
    }
    /* 보기: 버튼은 이미지 내부 좌상단, 호버시에만 보임 */
    .dcij-wrap[data-state="visible"] .dcij-toggle {
      position: absolute;
      top: 8px; left: 8px;
      margin: 0;
      z-index: 2147483647;
      opacity: 0;
    }
    .dcij-wrap[data-state="visible"]:hover .dcij-toggle { opacity: 1; }
  `;
  (document.head || document.documentElement).insertBefore(
    style, (document.head || document.documentElement).firstChild
  );

  const BLOCK_IMG = [
    'img[src*="viewimage.php"]',
    'img[srcset*="viewimage.php"]',
    'img[data-src*="viewimage.php"]',
    'picture > source[srcset*="viewimage.php"] ~ img'
  ].join(',');
  const EXEMPT_IMG = 'img[data-fileno], img[data-tempno], img[onclick*="imgPop"], img[data-original]';
  const isExempt = (img) => img.matches(EXEMPT_IMG);

  // ====== 루프 방지용 가드 ======
  let MUTATING = 0;
  const guard = (fn) => (...args) => { MUTATING++; try { return fn(...args); } finally { MUTATING--; } };

  function ensureWrap(node) {
    let wrap = node.closest?.('.dcij-wrap');
    if (wrap) return wrap;
    const parent = node.parentNode;
    if (!parent) return null;
    wrap = document.createElement('span');
    wrap.className = 'dcij-wrap';
    wrap.setAttribute('data-state', 'hidden');
    parent.insertBefore(wrap, node);
    wrap.appendChild(node);
    return wrap;
  }

  const unhideAncestorsFor = guard(function (wrap, img, turnOn) {
    let el = img;
    while (el && el !== wrap.parentElement && el !== document.documentElement) {
      const cs = window.getComputedStyle(el);
      if (turnOn) {
        if (cs.display === 'none' && el.dataset.dcijUnhid !== '1') {
          el.dataset.dcijPrevDisplay = el.style.display || '';
          el.dataset.dcijUnhid = '1';
          el.style.display = 'block';
        }
      } else {
        if (el.dataset.dcijUnhid === '1') {
          el.style.display = el.dataset.dcijPrevDisplay || '';
          delete el.dataset.dcijPrevDisplay;
          delete el.dataset.dcijUnhid;
        }
      }
      el = el.parentElement;
    }
  });

  const toggleWrap = guard(function (wrap, toShow) {
    const imgs = wrap.querySelectorAll('img');
    if (toShow) {
      imgs.forEach(img => {
        if (img.loading === 'lazy') img.loading = 'eager';
        if (img.dataset?.src && !img.src) img.src = img.dataset.src;
        img.classList.add('dcij-show');
        unhideAncestorsFor(wrap, img, true);
      });
      wrap.setAttribute('data-state', 'visible');
      wrap.querySelector('.dcij-toggle')?.setAttribute('data-state', 'visible');
    } else {
      imgs.forEach(img => {
        img.classList.remove('dcij-show');
        unhideAncestorsFor(wrap, img, false);
      });
      wrap.setAttribute('data-state', 'hidden');
      wrap.querySelector('.dcij-toggle')?.setAttribute('data-state', 'hidden');
    }
  });

  function addToggleButton(img) {
    if (img.dataset.dcijBtn === '1') return;
    const wrap = ensureWrap(img);
    if (!wrap) return;

    const btn = document.createElement('button');
    btn.type = 'button';
    btn.className = 'dcij-toggle';
    btn.setAttribute('aria-label', '가린 이미지 보기/숨기기');

    const hiddenNow = !img.classList.contains('dcij-show');
    btn.setAttribute('data-state', hiddenNow ? 'hidden' : 'visible');
    wrap.setAttribute('data-state', hiddenNow ? 'hidden' : 'visible');

    btn.addEventListener('click', (e) => {
      e.stopPropagation();
      const toShow = btn.getAttribute('data-state') === 'hidden';
      toggleWrap(wrap, toShow);
    });

    guard(() => wrap.appendChild(btn))();
    img.dataset.dcijBtn = '1';
  }

  const tagHidden = guard(function (img) {
    img.classList.add('dcij-hidden');
  });

  function processImg(img) {
    if (!img || img.nodeName !== 'IMG') return;
    if (isExempt(img)) {
      guard(() => {
        img.classList.remove('dcij-hidden', 'dcij-show');
        const w = ensureWrap(img);
        if (w) toggleWrap(w, true);
      })();
      return;
    }
    tagHidden(img);
    addToggleButton(img);
  }

  function scan(root = document) {
    root.querySelectorAll(BLOCK_IMG).forEach(processImg);
  }

  // ====== 옵저버 (style/class 제외) ======
  const mo = new MutationObserver((muts) => {
    if (MUTATING) return; // 우리가 수정 중이면 무시
    for (const m of muts) {
      if (m.type === 'childList') {
        m.addedNodes.forEach((n) => {
          if (n.nodeType !== 1) return;
          if (n.matches?.(BLOCK_IMG)) processImg(n);
          else scan(n);
        });
      } else if (m.type === 'attributes') {
        const el = m.target;
        if (!el.matches) continue;
        if (el.matches(BLOCK_IMG)) processImg(el);
        if (el.matches('img')) {
          if (isExempt(el)) {
            guard(() => {
              el.classList.remove('dcij-hidden', 'dcij-show');
              const w = ensureWrap(el);
              if (w) toggleWrap(w, true);
            })();
          } else if (
            el.src?.includes('viewimage.php') ||
            el.getAttribute('srcset')?.includes('viewimage.php') ||
            el.getAttribute('data-src')?.includes('viewimage.php')
          ) {
            tagHidden(el);
            addToggleButton(el);
          }
        }
      }
    }
  });
  mo.observe(document.documentElement, {
    childList: true,
    subtree: true,
    // ★ style/class 제거: 무한 루프 방지
    attributes: true,
    attributeFilter: ['src','srcset','data-src','data-fileno','data-tempno','onclick','data-original']
  });

  scan();
  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', () => scan(), { once: true });
  }
})();