ChatGPT Navigator & Fold-Plus

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

目前為 2025-06-18 提交的版本,檢視 最新版本

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         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);

})();