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Bluesky Threading Improvements

Adds colors and expand/collapse functionality to Bluesky threads

  1. // ==UserScript==
  2. // @name         Bluesky Threading Improvements
  3. // @namespace    zetaphor.com
  4. // @description  Adds colors and expand/collapse functionality to Bluesky threads
  5. // @version      0.4
  6. // @license      MIT
  7. // @match        https://bsky.app/*
  8. // @grant        GM_addStyle
  9. // ==/UserScript==
  10.  
  11. (function() {
  12.     'use strict';
  13.  
  14.     // Add our styles
  15.     GM_addStyle(`
  16.         /* Thread depth colors */
  17.         div[style*="border-left-width: 2px"] {
  18.             border-left-width: 2px !important;
  19.             border-left-style: solid !important;
  20.         }
  21.  
  22.         /* Color definitions */
  23.         div[style*="border-left-width: 2px"]:nth-child(1) { border-color: #2962ff !important; }  /* Blue */
  24.         div[style*="border-left-width: 2px"]:nth-child(2) { border-color: #8e24aa !important; }  /* Purple */
  25.         div[style*="border-left-width: 2px"]:nth-child(3) { border-color: #2e7d32 !important; }  /* Green */
  26.         div[style*="border-left-width: 2px"]:nth-child(4) { border-color: #ef6c00 !important; }  /* Orange */
  27.         div[style*="border-left-width: 2px"]:nth-child(5) { border-color: #c62828 !important; }  /* Red */
  28.         div[style*="border-left-width: 2px"]:nth-child(6) { border-color: #00796b !important; }  /* Teal */
  29.         div[style*="border-left-width: 2px"]:nth-child(7) { border-color: #c2185b !important; }  /* Pink */
  30.         div[style*="border-left-width: 2px"]:nth-child(8) { border-color: #ffa000 !important; }  /* Amber */
  31.         div[style*="border-left-width: 2px"]:nth-child(9) { border-color: #1565c0 !important; }  /* Dark Blue */
  32.         div[style*="border-left-width: 2px"]:nth-child(10) { border-color: #6a1b9a !important; } /* Deep Purple */
  33.         div[style*="border-left-width: 2px"]:nth-child(11) { border-color: #558b2f !important; } /* Light Green */
  34.         div[style*="border-left-width: 2px"]:nth-child(12) { border-color: #d84315 !important; } /* Deep Orange */
  35.         div[style*="border-left-width: 2px"]:nth-child(13) { border-color: #303f9f !important; } /* Indigo */
  36.         div[style*="border-left-width: 2px"]:nth-child(14) { border-color: #b71c1c !important; } /* Dark Red */
  37.         div[style*="border-left-width: 2px"]:nth-child(15) { border-color: #006064 !important; } /* Cyan */
  38.  
  39.         /* Collapse button styles */
  40.         .thread-collapse-btn {
  41.             cursor: pointer;
  42.             width: 20px;
  43.             height: 20px;
  44.             position: absolute;
  45.             left: -16px;
  46.             top: 18px;
  47.             background-color: #1e2937;
  48.             color: #aebbc9;
  49.             border: 1px solid #4a6179;
  50.             border-radius: 25%;
  51.             z-index: 100;
  52.             padding: 0;
  53.             transition: background-color 0.2s ease;
  54.         }
  55.  
  56.         .thread-collapse-btn:hover {
  57.             background-color: #2e4054;
  58.         }
  59.  
  60.         /* Indicator styles */
  61.         .thread-collapse-indicator {
  62.             position: absolute;
  63.             top: 50%;
  64.             left: 50%;
  65.             transform: translate(-50%, -50%);
  66.             font-family: monospace;
  67.             font-size: 16px;
  68.             line-height: 1;
  69.             user-select: none;
  70.         }
  71.  
  72.         /* Collapsed thread styles */
  73.         .thread-collapsed {
  74.             display: none !important;
  75.         }
  76.  
  77.         /* Post container relative positioning for collapse button */
  78.         .post-with-collapse {
  79.             position: relative;
  80.         }
  81.  
  82.         /* Animation for button spin */
  83.         @keyframes spin {
  84.             0% { transform: rotate(0deg); }
  85.             100% { transform: rotate(360deg); }
  86.         }
  87.  
  88.         .thread-collapse-btn.spinning {
  89.             animation: spin 0.2s ease-in-out;
  90.         }
  91.     `);
  92.  
  93.     // Utility function to check if we're on a post page
  94.     function isPostPage() {
  95.         return window.location.pathname.match(/^\/profile\/[^\/]+\/post\/.+/);
  96.     }
  97.  
  98.     function getIndentCount(postContainer) {
  99.         const parent = postContainer.parentElement;
  100.         if (!parent) return 0;
  101.  
  102.         const indents = Array.from(parent.parentElement.children).filter(child =>
  103.             child.getAttribute('style')?.includes('border-left-width: 2px')
  104.         );
  105.  
  106.         return indents.length;
  107.     }
  108.  
  109.     function hasChildThreads(postContainer) {
  110.         const currentIndents = getIndentCount(postContainer);
  111.         const threadContainer = postContainer.closest('[data-thread-container]') ||
  112.                               postContainer.parentElement?.parentElement?.parentElement?.parentElement;
  113.  
  114.         if (!threadContainer) return false;
  115.  
  116.         const nextThreadContainer = threadContainer.nextElementSibling;
  117.         if (!nextThreadContainer) return false;
  118.  
  119.         const nextPost = nextThreadContainer.querySelector('div[role="link"][tabindex="0"]');
  120.         if (!nextPost) return false;
  121.  
  122.         const nextIndents = getIndentCount(nextPost);
  123.         return nextIndents > currentIndents;
  124.     }
  125.  
  126.     function toggleThread(threadStart, isCollapsed) {
  127.         const currentIndents = getIndentCount(threadStart);
  128.         const threadContainer = threadStart.closest('[data-thread-container]') ||
  129.                               threadStart.parentElement?.parentElement?.parentElement?.parentElement;
  130.  
  131.         let nextContainer = threadContainer?.nextElementSibling;
  132.         while (nextContainer) {
  133.             const nextPost = nextContainer.querySelector('div[role="link"][tabindex="0"]');
  134.             if (nextPost) {
  135.                 const nextIndents = getIndentCount(nextPost);
  136.  
  137.                 if (nextIndents <= currentIndents) break;
  138.  
  139.                 if (isCollapsed) {
  140.                     nextContainer.classList.add('thread-collapsed');
  141.                 } else {
  142.                     nextContainer.classList.remove('thread-collapsed');
  143.                 }
  144.             }
  145.             nextContainer = nextContainer.nextElementSibling;
  146.         }
  147.     }
  148.  
  149.     function addCollapseButton(postContainer) {
  150.         if (!postContainer || postContainer.querySelector('.thread-collapse-btn')) {
  151.             return;
  152.         }
  153.  
  154.         const button = document.createElement('button');
  155.         button.className = 'thread-collapse-btn';
  156.         button.setAttribute('aria-label', 'Collapse thread');
  157.  
  158.         const indicator = document.createElement('div');
  159.         indicator.className = 'thread-collapse-indicator';
  160.         indicator.textContent = '-';
  161.         button.appendChild(indicator);
  162.  
  163.         postContainer.classList.add('post-with-collapse');
  164.         postContainer.appendChild(button);
  165.  
  166.         button.addEventListener('click', (e) => {
  167.             e.stopPropagation();
  168.             const isCollapsed = button.classList.toggle('collapsed');
  169.  
  170.             button.classList.add('spinning');
  171.  
  172.             setTimeout(() => {
  173.                 indicator.textContent = isCollapsed ? '+' : '-';
  174.                 button.classList.remove('spinning');
  175.             }, 200);
  176.  
  177.             toggleThread(postContainer, isCollapsed);
  178.         });
  179.     }
  180.  
  181.     function initializeThreadCollapse() {
  182.         if (!isPostPage()) return false;
  183.  
  184.         const posts = document.querySelectorAll('div[role="link"][tabindex="0"]');
  185.         let hasAddedButtons = false;
  186.  
  187.         posts.forEach(post => {
  188.             if (hasChildThreads(post)) {
  189.                 addCollapseButton(post);
  190.                 hasAddedButtons = true;
  191.             }
  192.         });
  193.  
  194.         return hasAddedButtons;
  195.     }
  196.  
  197.     // Enhanced initialization with retry mechanism
  198.     function initializeWithRetry() {
  199.         const maxAttempts = 10;
  200.         let attempts = 0;
  201.         let initialized = false;
  202.  
  203.         function attempt() {
  204.             if (attempts >= maxAttempts || initialized) return;
  205.  
  206.             attempts++;
  207.  
  208.             // Check if the main post container is present
  209.             const mainPost = document.querySelector('div[role="link"][tabindex="0"]');
  210.             if (!mainPost) {
  211.                 setTimeout(attempt, 500);
  212.                 return;
  213.             }
  214.  
  215.             // Try to initialize
  216.             initialized = initializeThreadCollapse();
  217.  
  218.             if (!initialized) {
  219.                 setTimeout(attempt, 500);
  220.             }
  221.         }
  222.  
  223.         // Start the first attempt
  224.         attempt();
  225.     }
  226.  
  227.     // Initialize on page load
  228.     initializeWithRetry();
  229.  
  230.     // Set up observer for dynamic content changes
  231.     const observer = new MutationObserver((mutations) => {
  232.         for (const mutation of mutations) {
  233.             for (const node of mutation.addedNodes) {
  234.                 if (node.nodeType === 1) {
  235.                     const posts = node.querySelectorAll('div[role="link"][tabindex="0"]');
  236.                     if (posts.length > 0) {
  237.                         initializeWithRetry();
  238.                         break;
  239.                     }
  240.                 }
  241.             }
  242.         }
  243.     });
  244.  
  245.     // Start observing after a short delay to ensure the page is ready
  246.     setTimeout(() => {
  247.         observer.observe(document.body, {
  248.             childList: true,
  249.             subtree: true
  250.         });
  251.     }, 1000);
  252. })();

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