ChatGPT Navigator & Fold-Plus

ChatGPT userscript: ↑↓ navigator, directory, refresh & fold long "You" messages.

Versión del día 18/6/2025. Echa un vistazo a la versión más reciente.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

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

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         ChatGPT Navigator & Fold-Plus
// @version      1.0.0
// @description  ChatGPT userscript: ↑↓ navigator, directory, refresh & fold long "You" messages.
// @match        https://chatgpt.com/*
// @grant        none
// @license      MIT
// @namespace https://greasyfork.org/users/1485470
// ==/UserScript==

(() => {
  'use strict';

  /* ─── CONFIG: tweak here when ChatGPT's DOM changes ─────────────── */
  const CONFIG = {
    /* selectors ChatGPT might rename */
    SELECTORS: {
      userWrapper:      'div[data-message-author-role="user"]',
      content:          '.whitespace-pre-wrap',
      composerForm:     'form',
      spaContainers:    ['div.my-auto.text-base', 'div.m-auto.text-base', 'main'],
      directoryWrap:    '#gmDirWrap'
    },

    /* timing or size knobs you sometimes adjust */
    TIMINGS: {
      scrollSuppress: 300,      // ms to ignore scroll after jump
      debounce:       100,      // ms for MutationObserver debounce
      keepAlive:      5000,     // ms between auto-boot checks
      bootDelay:      300       // ms delay for SPA navigation
    },

    FOLD: {
      lineThreshold: 3          // fold user messages > this many lines
    },

    /* one big template-literal for all CSS so colours & sizes live in one spot */
    CSS: `
      :root{--dir-bg:#fff;--dir-border:#ddd;--dir-hover:#f0f0f0;--nav-bg:#ddd;--nav-fg:#333;--highlight:rgba(38,198,218,0.3);}
      html.dark{--dir-bg:#333;--dir-border:#555;--dir-hover:#444;--nav-bg:#444;--nav-fg:#eee;--highlight:rgba(38,198,218,0.6);}
      .gm-anchor{scroll-margin-top:96px!important}
      #gmDirWrap{position:fixed;top:140px;right:12px;display:flex;flex-direction:column;align-items:flex-end;z-index:9999}
      #gmToggle,#gmRefresh{all:unset;cursor:pointer;padding:6px 10px;background:var(--nav-bg);color:var(--nav-fg);border-radius:6px;margin-bottom:6px;margin-left:4px}
      #gmDir{display:none;width:280px;max-height:70vh;overflow:auto;background:var(--dir-bg);border:1px solid var(--dir-border);border-radius:8px;padding:8px;box-shadow:0 4px 12px rgba(0,0,0,.1);}
      #gmList{list-style:none;margin:0;padding:0}
      #gmList li{padding:6px;border-radius:4px;cursor:pointer}
      #gmList li:hover{background:var(--dir-hover)}
      #gmNav{position:fixed;display:flex;align-items:center;gap:4px;z-index:1001}
      #gmNav .col{display:flex;flex-direction:column;gap:4px}
      #gmNav button{all:unset;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--nav-bg);color:var(--nav-fg);cursor:pointer}
      #gmNav span{color:var(--nav-fg);font-size:14px}
      .gm-highlight{background:var(--highlight);transition:background .8s ease-out;}
      /* ── folding CSS ───────────────────────────────────────── */
      .cgpt-folded { max-height:120px!important;overflow:hidden!important;position:relative;border-radius:12px }
      .cgpt-folded::after {
        content:'';position:absolute;left:0;right:0;bottom:0;height:3em;
        background:linear-gradient(to bottom,rgba(255,255,255,0),var(--background-primary,#f5f5f7));
      }
      html.dark .cgpt-folded::after {
        background:linear-gradient(to bottom,rgba(58,58,61,0),var(--background-secondary,#3a3b46));
      }
    `
  };

  /* ─── 0) HELPERS ───────────────────────────────────────────────────── */
  const $ = q => document.querySelector(q);
  const $$ = q => [...document.querySelectorAll(q)];
  const prefersReduced = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
  const smoothOK = CSS.supports('scroll-behavior','smooth') && !prefersReduced;

  function findScrollContainer(el){
    let cur = el;
    while(cur){
      if(cur.scrollHeight > cur.clientHeight) return cur;
      cur = cur.parentElement;
    }
    return window;
  }

  /* ─── 1) GLOBAL STYLES ─────────────────────────────────────────────── */
  const style = document.createElement('style');
  style.textContent = CONFIG.CSS;
  document.head.appendChild(style);

  /* ─── 2) BUILD UI ────────────────────────────────────────────────── */
  let gmDirWrap, gmToggle, gmRefresh, gmDir, gmList;
  let gmNav, upBtn, dnBtn, counter;
  let curIdx = 0, suppress = false, scrollParent = window, obs, rebuildTimer, currentContainer;

  function buildUI(){
    if ($(CONFIG.SELECTORS.directoryWrap)) return;
    gmDirWrap = document.createElement('div'); gmDirWrap.id='gmDirWrap';

    const toolbar = document.createElement('div');
    toolbar.style.display='flex'; toolbar.style.gap='4px';

    gmRefresh = document.createElement('button');
    gmRefresh.id='gmRefresh'; gmRefresh.textContent='⟳'; gmRefresh.title='Refresh';
    gmRefresh.onclick=performRefresh;

    gmToggle  = document.createElement('button');
    gmToggle.id='gmToggle'; gmToggle.textContent='▼'; gmToggle.title='Toggle directory';
    gmToggle.onclick=toggleDirectory;

    toolbar.append(gmRefresh,gmToggle);
    gmDirWrap.append(toolbar);

    gmDir  = document.createElement('div'); gmDir.id='gmDir';
    gmList = document.createElement('ul');  gmList.id='gmList';
    gmDir.append(gmList); gmDirWrap.append(gmDir);
    document.body.append(gmDirWrap);

    gmNav = document.createElement('div'); gmNav.id='gmNav';
    gmNav.style.display = 'none';          // hidden until we have messages
    const col=document.createElement('div'); col.className='col';
    upBtn=document.createElement('button'); upBtn.textContent='↑'; upBtn.title='Prev';
    dnBtn=document.createElement('button'); dnBtn.textContent='↓'; dnBtn.title='Next';
    col.append(upBtn,dnBtn);
    counter=document.createElement('span'); counter.textContent='0 / 0';
    gmNav.append(col,counter); document.body.append(gmNav);

    window.addEventListener('resize',positionNav);
    upBtn.addEventListener('click',()=>jump(curIdx-1));
    dnBtn.addEventListener('click',()=>jump(curIdx+1));
  }

  function toggleDirectory(){
    const show = gmDir.style.display!=='block';
    gmDir.style.display = show?'block':'none';
    gmToggle.textContent=show?'▲':'▼';
    positionNav();
  }

  function performRefresh(){
    obs?.disconnect();
    scrollParent.removeEventListener('scroll',syncFromScroll);
    window.removeEventListener('scroll',syncFromScroll);
    boot();
  }

  /* ─── 3) CORE LOGIC ──────────────────────────────────────────────── */
  function userTurns(){
    return [...new Set($$(CONFIG.SELECTORS.userWrapper).map(el=>el.closest('article')))];
  }

  function updateCounter(){
    const turns       = userTurns();
    const total       = turns.length;
    const nowVisible  = total > 0;

    // if visibility changed, full reboot
    if (gmNav && (nowVisible !== gmNav._prevVisible)) {
      gmNav._prevVisible = nowVisible;
      boot();
      return;
    }

    counter.textContent = `${nowVisible ? curIdx + 1 : 0} / ${total}`;
    if (gmNav) gmNav.style.display = nowVisible ? 'flex' : 'none';
  }

  function jump(idx){
    const turns=userTurns();
    if(!turns.length)return;
    curIdx=Math.max(0,Math.min(idx,turns.length-1));
    const n=turns[curIdx];

    // suppress scroll-sync while we smooth-scroll
    suppress = true;

    n.scrollIntoView({behavior:smoothOK?'smooth':'auto',block:'start'});
    n.classList.add('gm-highlight');
    setTimeout(()=>n.classList.remove('gm-highlight'),800);
    updateCounter();
    // re-enable after scroll settles
    setTimeout(()=>suppress = false, CONFIG.TIMINGS.scrollSuppress);
  }

  function syncFromScroll(){
    if (suppress) return;
    const turns=userTurns(); if(!turns.length)return;
    const mid=window.innerHeight/2;let best=0,bd=1e9;
    turns.forEach((n,i)=>{
      const r=n.getBoundingClientRect(),c=r.top+r.height/2,d=Math.abs(c-mid);
      if(d<bd){bd=d;best=i;}
    });
    curIdx=best;updateCounter();
  }

  function rebuildList(){
    gmList.textContent='';
    userTurns().forEach((art,i)=>{
      art.id=`gm-q-${i}`;art.classList.add('gm-anchor');
      const li=document.createElement('li');
      li.textContent=`${i+1}. ${art.innerText.trim().slice(0,40)}${art.innerText.length>40?'…':''}`;
      li.onclick=()=>jump(i);
      gmList.append(li);
    });
    updateCounter();
    foldLongMessages();
  }

  /* ─── 4) FOLD‐MESSAGES ───────────────────────────────────────────── */
  function foldLongMessages(){
    document.querySelectorAll(CONFIG.SELECTORS.userWrapper).forEach(msg=>{
      if(msg.dataset.foldProcessed)return;
      const content=msg.querySelector(CONFIG.SELECTORS.content);
      if(!content)return;
      if(content.innerText.split('\n').length>CONFIG.FOLD.lineThreshold){
        msg.dataset.foldProcessed='1';
        content.classList.add('cgpt-folded');
        content.style.cursor='pointer';
        content.addEventListener('click',()=>content.classList.toggle('cgpt-folded'));
      }
    });
  }

  /* ─── 5) POSITION ───────────────────────────────────────────────── */
  function positionNav(retry=true){
    if(!gmNav)return;
    const form=$(CONFIG.SELECTORS.composerForm);
    if(!form){ if(retry)setTimeout(()=>positionNav(false),200); return; }
    const r=form.getBoundingClientRect(),p=8,
          t=r.top+(r.height-gmNav.offsetHeight)/2; let l=r.right+p;
    if(l+gmNav.offsetWidth>window.innerWidth)l=r.left-gmNav.offsetWidth-p;
    gmNav.style.top=`${Math.max(4,t)}px`;gmNav.style.left=`${Math.max(4,l)}px`;
  }

  /* ─── 6) OBSERVE & BOOT ─────────────────────────────────────────── */
  let lastUrl=location.href;
  function connectObservers(root){
    obs?.disconnect();
    obs=new MutationObserver(m=>{
      if(m.some(x=>x.addedNodes.length)){
        clearTimeout(rebuildTimer);
        rebuildTimer=setTimeout(()=>{rebuildList();positionNav();},CONFIG.TIMINGS.debounce);
      }
    });
    obs.observe(root,{childList:true,subtree:true});
    scrollParent.removeEventListener('scroll',syncFromScroll);
    scrollParent=findScrollContainer(root);
    scrollParent.addEventListener('scroll',syncFromScroll,{passive:true});
    window.addEventListener('scroll',syncFromScroll,{passive:true});
    currentContainer=root;
  }

  function boot(){
    if(location.href!==lastUrl){ lastUrl=location.href; curIdx=0; }
    const root=CONFIG.SELECTORS.spaContainers.map($).find(Boolean);
    if(!root)return;
    buildUI();rebuildList();syncFromScroll();positionNav();connectObservers(root);
  }

  ['pushState','replaceState'].forEach(fn=>{
    const o=history[fn];
    history[fn]=function(){const r=o.apply(this,arguments);setTimeout(boot,CONFIG.TIMINGS.bootDelay);return r;};
  });
  window.addEventListener('popstate',()=>setTimeout(boot,CONFIG.TIMINGS.bootDelay));
  window.addEventListener('DOMContentLoaded',()=>setTimeout(boot,CONFIG.TIMINGS.bootDelay));
  setInterval(()=>$(CONFIG.SELECTORS.directoryWrap)||boot(),CONFIG.TIMINGS.keepAlive);

})();