Add persistent favorite/bookmark functionality to ChatGPT conversations with local storage support
// ==UserScript==
// @name GPT Chat Pin
// @namespace github.com/longkidkoolstar
// @version 1.1.1
// @description Add persistent favorite/bookmark functionality to ChatGPT conversations with local storage support
// @author longkidkoolstar
// @license none
// @match https://chatgpt.com/*
// @grant GM.setValue
// @grant GM.getValue
// @grant GM.listValues
// ==/UserScript==
(function() {
'use strict';
console.log('GPT Chat Pin script loaded');
// Add CSS styles with dark mode support
const styles = `
#favorite-chats-section {
background-color: rgba(0, 0, 0, 0.05);
border-radius: 8px;
padding: 12px 16px;
margin: 10px 0;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
transition: background-color 0.3s, box-shadow 0.3s;
}
.dark #favorite-chats-section {
background-color: rgba(255, 255, 255, 0.05);
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}
#favorite-chats-section h3 {
margin: 0 0 10px 0;
font-size: 16px;
font-weight: 600;
color: #202123;
display: flex;
align-items: center;
gap: 6px;
}
.dark #favorite-chats-section h3 {
color: #d1d5db;
}
#favorite-chats-section ul {
list-style-type: none;
margin: 0;
padding: 0;
}
#favorite-chats-section li {
margin: 6px 0;
padding: 4px 0;
display: flex;
align-items: center;
}
#favorite-chats-section a {
color: #202123;
text-decoration: none;
font-size: 14px;
display: flex;
align-items: center;
width: 100%;
padding: 6px 10px;
border-radius: 6px;
transition: all 0.2s ease;
}
#favorite-chats-section a span {
display: inline-block;
max-width: 17ch; /* Roughly 20 characters */
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.dark #favorite-chats-section a {
color: #d1d5db;
}
#favorite-chats-section a:hover {
background-color: rgba(0, 0, 0, 0.1);
transform: translateX(2px);
}
.dark #favorite-chats-section a:hover {
background-color: rgba(255, 255, 255, 0.1);
}
#favorite-chats-section a::before {
content: '⭐';
margin-right: 8px;
font-size: 14px;
}
.favorite-icon {
display: inline-flex;
align-items: center;
justify-content: center;
width: 24px;
height: 24px;
border-radius: 50%;
transition: all 0.2s ease;
position: relative;
}
.favorite-icon:hover {
background-color: rgba(0, 0, 0, 0.1);
transform: scale(1.2);
}
.dark .favorite-icon:hover {
background-color: rgba(255, 255, 255, 0.1);
}
.favorite-icon.active {
color: #ffb400;
}
.dark .favorite-icon.active {
color: #ffd700;
}
`;
// Add styles to document
const styleElement = document.createElement('style');
styleElement.textContent = styles;
document.head.appendChild(styleElement);
// Custom Alert Box Styles
const customAlertStyles = `
.custom-alert-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
display: flex;
justify-content: center;
align-items: center;
z-index: 10000;
}
.custom-alert-box {
background-color: #fff;
padding: 20px;
border-radius: 8px;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
text-align: center;
max-width: 400px;
width: 90%;
color: #202123;
}
.dark .custom-alert-box {
background-color: #343541;
color: #d1d5db;
}
.custom-alert-box h4 {
margin-top: 0;
font-size: 18px;
margin-bottom: 15px;
}
.custom-alert-box p {
margin-bottom: 20px;
font-size: 14px;
line-height: 1.5;
}
.custom-alert-buttons button {
background-color: #10a37f;
color: white;
border: none;
padding: 10px 20px;
border-radius: 5px;
cursor: pointer;
font-size: 14px;
margin: 0 10px;
transition: background-color 0.2s ease;
}
.custom-alert-buttons button:hover {
background-color: #0e8e6f;
}
.custom-alert-buttons button.cancel {
background-color: #dc3545;
}
.custom-alert-buttons button.cancel:hover {
background-color: #c82333;
}
`;
const customAlertStyleElement = document.createElement('style');
customAlertStyleElement.textContent = customAlertStyles;
document.head.appendChild(customAlertStyleElement);
// Custom Alert Box Function
function showCustomAlert(message, onConfirm) {
const overlay = document.createElement('div');
overlay.classList.add('custom-alert-overlay');
const alertBox = document.createElement('div');
alertBox.classList.add('custom-alert-box');
const title = document.createElement('h4');
title.textContent = 'Confirm Action';
const msg = document.createElement('p');
msg.textContent = message;
const buttonContainer = document.createElement('div');
buttonContainer.classList.add('custom-alert-buttons');
const confirmBtn = document.createElement('button');
confirmBtn.textContent = 'Confirm';
confirmBtn.addEventListener('click', () => {
document.body.removeChild(overlay);
onConfirm(true);
});
const cancelBtn = document.createElement('button');
cancelBtn.textContent = 'Cancel';
cancelBtn.classList.add('cancel');
cancelBtn.addEventListener('click', () => {
document.body.removeChild(overlay);
onConfirm(false);
});
buttonContainer.appendChild(cancelBtn);
buttonContainer.appendChild(confirmBtn);
alertBox.appendChild(title);
alertBox.appendChild(msg);
alertBox.appendChild(buttonContainer);
overlay.appendChild(alertBox);
document.body.appendChild(overlay);
}
// Function to add the favorite icon to individual chat links
function addFavoriteIcon() {
const chatLinks = document.querySelectorAll("a[href^='/c/']"); // Select all chat links
chatLinks.forEach(targetElement => {
if (targetElement && !targetElement.querySelector('.favorite-icon')) {
const chatId = targetElement.href.split('/').pop(); // Assuming chat ID is the last part of the URL
const favoriteIcon = document.createElement('span');
favoriteIcon.classList.add('favorite-icon');
favoriteIcon.style.cursor = 'pointer';
favoriteIcon.style.marginLeft = '8px';
favoriteIcon.style.fontSize = '16px';
// Check initial favorite state
GM.getValue(`favorite_chat_${chatId}`, false).then(isFavorited => {
favoriteIcon.textContent = isFavorited ? '⭐' : '☆'; // Star emoji for favorited, outline star for unfavorited
if (isFavorited) {
favoriteIcon.classList.add('active');
} else {
favoriteIcon.classList.remove('active');
}
});
favoriteIcon.addEventListener('click', (event) => {
event.stopPropagation(); // Prevent event bubbling
event.preventDefault(); // Prevent navigation when clicking the icon
GM.getValue(`favorite_chat_${chatId}`, false).then(isFavorited => {
const newState = !isFavorited;
let chatTitle = '';
if (newState) {
// Extract the chat title from the link text
chatTitle = targetElement.textContent.trim();
// Remove any emoji or special characters that might be part of the favorite icon
chatTitle = chatTitle.replace(/[⭐☆]/g, '').trim();
}
if (newState) {
// If favoriting, set the value
GM.setValue(`favorite_chat_${chatId}`, { isFavorited: newState, title: chatTitle }).then(() => {
favoriteIcon.textContent = '⭐';
favoriteIcon.classList.add('active');
console.log(`Chat ${chatId} favorited with title: ${chatTitle}`);
displayFavoritedChats(); // Update favorite list
});
} else {
// If unfavoriting, remove the value
showCustomAlert('Are you sure you want to unfavorite this chat?', (confirmed) => {
if (confirmed) {
GM.deleteValue(`favorite_chat_${chatId}`).then(() => {
favoriteIcon.textContent = '☆';
favoriteIcon.classList.remove('active');
console.log(`Chat ${chatId} unfavorited and removed from storage`);
displayFavoritedChats(); // Update favorite list
});
}
});
}
});
});
targetElement.appendChild(favoriteIcon);
}
});
}
// Observe changes in the DOM to add the icon when new chat links are added
const observer = new MutationObserver((mutationsList) => {
for (const mutation of mutationsList) {
if (mutation.type === 'childList' && mutation.addedNodes.length > 0) {
addFavoriteIcon();
break; // Only need to run once per mutation batch
}
}
});
// Start observing the element that contains the chat history for childList changes
// This is more efficient than observing the entire document.body
const historyAside = document.querySelector("#history > aside:nth-child(1)");
if (historyAside) {
observer.observe(historyAside, { childList: true, subtree: true });
} else {
// Fallback to observing body if the specific history element isn't immediately available
observer.observe(document.body, { childList: true, subtree: true });
}
// Function to display favorited chats
async function displayFavoritedChats() {
const historyElement = document.querySelector("#history");
if (!historyElement) return;
let favoriteSection = document.querySelector("#favorite-chats-section");
if (!favoriteSection) {
favoriteSection = document.createElement('div');
favoriteSection.id = 'favorite-chats-section';
historyElement.parentNode.insertBefore(favoriteSection, historyElement);
}
favoriteSection.innerHTML = '<h3><span style="color: #ffb400;">⭐</span> Favorite Chats</h3>'; // Clear and add title with star icon
const allKeys = await GM.listValues();
const favoriteChatKeys = allKeys.filter(key => key.startsWith('favorite_chat_') && !key.startsWith('favorite_chat_title_'));
if (favoriteChatKeys.length === 0) {
favoriteSection.innerHTML += '<p style="color: #6e6e80; font-size: 14px; font-style: italic; margin: 8px 0;">No favorite chats yet.</p>';
return;
}
const ul = document.createElement('ul');
for (const key of favoriteChatKeys) {
const favoriteData = await GM.getValue(key, null);
if (favoriteData && favoriteData.isFavorited) {
const chatId = key.replace('favorite_chat_', '');
let chatTitle = favoriteData.title;
// If title is empty, try to get it from the sidebar
if (!chatTitle) {
const existingLink = document.querySelector(`a[href='/c/${chatId}']`);
if (existingLink && existingLink.textContent.trim()) {
const linkText = existingLink.textContent.trim();
chatTitle = linkText.replace(/[⭐☆]/g, '').trim();
// Update the stored data with the found title
GM.setValue(key, { isFavorited: true, title: chatTitle });
} else {
chatTitle = `Chat ${chatId}`;
}
}
const li = document.createElement('li');
const link = document.createElement('a');
link.href = `/c/${chatId}`;
// Create a span to hold the text for proper truncation
const titleSpan = document.createElement('span');
titleSpan.textContent = chatTitle;
link.appendChild(titleSpan);
li.appendChild(link);
ul.appendChild(li);
}
}
favoriteSection.appendChild(ul);
}
// Initial calls and observation
addFavoriteIcon();
displayFavoritedChats();
// Check for dark mode and apply appropriate class
function checkDarkMode() {
// Different ways to detect dark mode
const isDarkMode = document.documentElement.classList.contains('dark') ||
document.body.classList.contains('dark') ||
window.matchMedia('(prefers-color-scheme: dark)').matches;
if (isDarkMode) {
document.documentElement.classList.add('dark');
} else {
document.documentElement.classList.remove('dark');
}
}
// Periodically check for new chat elements, update favorites, and check dark mode
setInterval(() => {
addFavoriteIcon();
displayFavoritedChats();
checkDarkMode();
}, 2000); // Check every 2 seconds
// Initial dark mode check
checkDarkMode();
})();
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