ChatGPT userscript: ↑↓ navigator, directory, refresh & fold long "You" messages.
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// ==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);
})();