Minimalist extender for 8chan with in-line replies, spoiler revealing and media preview for videos & images
// ==UserScript==
// @name 8chan Lightweight Extended Suite (Currently not working)
// @namespace https://greasyfork.org/en/scripts/533173
// @version 2.6.2
// @description Minimalist extender for 8chan with in-line replies, spoiler revealing and media preview for videos & images
// @author impregnator
// @match https://8chan.moe/*
// @match https://8chan.se/*
// @match https://8chan.cc/*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// Function to process images and replace spoiler placeholders with thumbnails
function processImages(images, isCatalog = false) {
images.forEach(img => {
// Check if the image is a spoiler placeholder (custom or default)
if (img.src.includes('custom.spoiler') || img.src.includes('spoiler.png')) {
let fullFileUrl;
if (isCatalog) {
// Catalog: Get the href from the parent <a class="linkThumb">
const link = img.closest('a.linkThumb');
if (link) {
// Construct the thumbnail URL based on the thread URL
fullFileUrl = link.href;
const threadMatch = fullFileUrl.match(/\/([a-z0-9]+)\/res\/([0-9]+)\.html$/i);
if (threadMatch && threadMatch[1] && threadMatch[2]) {
const board = threadMatch[1];
const threadId = threadMatch[2];
// Fetch the thread page to find the actual image URL
fetchThreadImage(board, threadId).then(thumbnailUrl => {
if (thumbnailUrl) {
img.src = thumbnailUrl;
}
});
}
}
} else {
// Thread: Get the parent <a> element containing the full-sized file URL
const link = img.closest('a.imgLink');
if (link) {
// Extract the full-sized file URL
fullFileUrl = link.href;
// Extract the file hash (everything after /.media/ up to the extension)
const fileHash = fullFileUrl.match(/\/\.media\/([a-f0-9]+)\.[a-z0-9]+$/i);
if (fileHash && fileHash[1]) {
// Construct the thumbnail URL using the current domain
const thumbnailUrl = `${window.location.origin}/.media/t_${fileHash[1]}`;
// Replace the spoiler image with the thumbnail
img.src = thumbnailUrl;
}
}
}
}
});
}
// Function to fetch the thread page and extract the thumbnail URL
async function fetchThreadImage(board, threadId) {
try {
const response = await fetch(`https://${window.location.host}/${board}/res/${threadId}.html`);
const text = await response.text();
const parser = new DOMParser();
const doc = parser.parseFromString(text, 'text/html');
// Find the first image in the thread's OP post
const imgLink = doc.querySelector('.uploadCell a.imgLink');
if (imgLink) {
const fullFileUrl = imgLink.href;
const fileHash = fullFileUrl.match(/\/\.media\/([a-f0-9]+)\.[a-z0-9]+$/i);
if (fileHash && fileHash[1]) {
return `${window.location.origin}/.media/t_${fileHash[1]}`;
}
}
return null;
} catch (error) {
console.error('Error fetching thread image:', error);
return null;
}
}
// Process existing images on page load
const isCatalogPage = window.location.pathname.includes('catalog.html');
if (isCatalogPage) {
const initialCatalogImages = document.querySelectorAll('.catalogCell a.linkThumb img');
processImages(initialCatalogImages, true);
} else {
const initialThreadImages = document.querySelectorAll('.uploadCell img');
processImages(initialThreadImages, false);
}
// Set up MutationObserver to handle dynamically added posts
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
if (mutation.addedNodes.length) {
// Check each added node for new images
mutation.addedNodes.forEach(node => {
if (node.nodeType === Node.ELEMENT_NODE) {
if (isCatalogPage) {
const newCatalogImages = node.querySelectorAll('.catalogCell a.linkThumb img');
processImages(newCatalogImages, true);
} else {
const newThreadImages = node.querySelectorAll('.uploadCell img');
processImages(newThreadImages, false);
}
}
});
}
});
});
// Observe changes to the document body, including child nodes and subtrees
observer.observe(document.body, {
childList: true,
subtree: true
});
})();
//Opening all posts from the catalog in a new tag section
// Add click event listener to catalog thumbnail images
document.addEventListener('click', function(e) {
// Check if the clicked element is an image inside a catalog cell
if (e.target.tagName === 'IMG' && e.target.closest('.catalogCell')) {
// Find the parent link with class 'linkThumb'
const link = e.target.closest('.linkThumb');
if (link) {
// Prevent default link behavior
e.preventDefault();
// Open the thread in a new tab
window.open(link.href, '_blank');
}
}
});
//Automatically redirect to catalog section
// Redirect to catalog if on a board's main page, excluding overboard pages
(function() {
const currentPath = window.location.pathname;
// Check if the path matches a board's main page (e.g., /v/, /a/) but not overboard pages
if (currentPath.match(/^\/[a-zA-Z0-9]+\/$/) && !currentPath.match(/^\/(sfw|overboard)\/$/)) {
// Redirect to the catalog page
window.location.replace(currentPath + 'catalog.html');
}
})();
// Text spoiler revealer
(function() {
// Function to reveal spoilers
function revealSpoilers() {
const spoilers = document.querySelectorAll('span.spoiler');
spoilers.forEach(spoiler => {
// Override default spoiler styles to make text visible
spoiler.style.background = 'none';
spoiler.style.color = 'inherit';
spoiler.style.textShadow = 'none';
});
}
// Run initially for existing spoilers
revealSpoilers();
// Set up MutationObserver to watch for new spoilers
const observer = new MutationObserver((mutations) => {
mutations.forEach(mutation => {
if (mutation.addedNodes.length > 0) {
// Check if new nodes contain spoilers
mutation.addedNodes.forEach(node => {
if (node.nodeType === Node.ELEMENT_NODE) {
const newSpoilers = node.querySelectorAll('span.spoiler');
newSpoilers.forEach(spoiler => {
spoiler.style.background = 'none';
spoiler.style.color = 'inherit';
spoiler.style.textShadow = 'none';
});
}
});
}
});
});
// Observe the document body for changes (new posts)
observer.observe(document.body, {
childList: true,
subtree: true
});
})();
//Hash navigation
// Add # links to backlinks and quote links for scrolling
(function() {
// Function to add # link to backlinks and quote links
function addHashLinks(container = document) {
const links = container.querySelectorAll('.panelBacklinks a, .altBacklinks a, .divMessage .quoteLink');
links.forEach(link => {
// Skip if # link already exists or processed
if (link.nextSibling && link.nextSibling.classList && link.nextSibling.classList.contains('hash-link-container')) return;
if (link.dataset.hashProcessed) return;
// Create # link as a span to avoid <a> processing
const hashLink = document.createElement('span');
hashLink.textContent = ' #';
hashLink.style.cursor = 'pointer';
hashLink.style.color = '#0000EE'; // Match link color
hashLink.title = 'Scroll to post';
hashLink.className = 'hash-link';
hashLink.dataset.hashListener = 'true'; // Mark as processed
// Wrap # link in a span to isolate it
const container = document.createElement('span');
container.className = 'hash-link-container';
container.appendChild(hashLink);
link.insertAdjacentElement('afterend', container);
link.dataset.hashProcessed = 'true'; // Mark as processed
});
}
// Event delegation for hash link clicks to mimic .linkSelf behavior
document.addEventListener('click', function(e) {
if (e.target.classList.contains('hash-link')) {
e.preventDefault();
e.stopPropagation();
const link = e.target.closest('.hash-link-container').previousElementSibling;
const postId = link.textContent.replace('>>', '');
if (document.getElementById(postId)) {
window.location.hash = `#${postId}`;
console.log(`Navigated to post #${postId}`);
} else {
console.log(`Post ${postId} not found`);
}
}
}, true);
// Process existing backlinks and quote links on page load
addHashLinks();
console.log('Hash links applied on page load');
// Patch inline reply logic to apply hash links to new inline content
if (window.tooltips) {
// Patch loadTooltip to apply hash links after content is loaded
const originalLoadTooltip = tooltips.loadTooltip;
tooltips.loadTooltip = function(element, quoteUrl, sourceId, isInline) {
originalLoadTooltip.apply(this, arguments);
if (isInline) {
// Wait for content to be fully loaded
setTimeout(() => {
addHashLinks(element);
console.log('Hash links applied to loaded tooltip content:', quoteUrl);
}, 0);
}
};
// Patch addLoadedTooltip to ensure hash links are applied
const originalAddLoadedTooltip = tooltips.addLoadedTooltip;
tooltips.addLoadedTooltip = function(htmlContents, tooltip, quoteUrl, replyId, isInline) {
originalAddLoadedTooltip.apply(this, arguments);
if (isInline) {
addHashLinks(htmlContents);
console.log('Hash links applied to inline tooltip content:', quoteUrl);
}
};
// Patch addInlineClick to apply hash links after appending
const originalAddInlineClick = tooltips.addInlineClick;
tooltips.addInlineClick = function(quote, innerPost, isBacklink, quoteTarget, sourceId) {
if (!quote.href || quote.classList.contains('hash-link') || quote.closest('.hash-link-container') || quote.href.includes('#q')) {
console.log('Skipped invalid or hash link:', quote.href || quote.textContent);
return;
}
// Clone quote to remove existing listeners
const newQuote = quote.cloneNode(true);
quote.parentNode.replaceChild(newQuote, quote);
quote = newQuote;
// Reapply hover events
tooltips.addHoverEvents(quote, innerPost, quoteTarget, sourceId);
console.log('Hover events reapplied for:', quoteTarget.quoteUrl);
// Add click handler
quote.addEventListener('click', function(e) {
console.log('linkQuote clicked:', quoteTarget.quoteUrl);
if (!tooltips.inlineReplies) {
console.log('inlineReplies disabled');
return;
}
e.preventDefault();
e.stopPropagation();
// Find or create replyPreview
let replyPreview = innerPost.querySelector('.replyPreview');
if (!replyPreview) {
replyPreview = document.createElement('div');
replyPreview.className = 'replyPreview';
innerPost.appendChild(replyPreview);
}
// Check for duplicates or loading
if (tooltips.loadingPreviews[quoteTarget.quoteUrl] ||
tooltips.quoteAlreadyAdded(quoteTarget.quoteUrl, innerPost)) {
console.log('Duplicate or loading:', quoteTarget.quoteUrl);
return;
}
// Create and load inline post
const placeHolder = document.createElement('div');
placeHolder.style.whiteSpace = 'normal';
placeHolder.className = 'inlineQuote';
tooltips.loadTooltip(placeHolder, quoteTarget.quoteUrl, sourceId, true);
// Verify post loaded
if (!placeHolder.querySelector('.linkSelf')) {
console.log('Failed to load post:', quoteTarget.quoteUrl);
return;
}
// Add close button
const close = document.createElement('a');
close.innerText = 'X';
close.className = 'closeInline';
close.onclick = () => placeHolder.remove();
placeHolder.querySelector('.postInfo').prepend(close);
// Process quotes in the new inline post
Array.from(placeHolder.querySelectorAll('.linkQuote'))
.forEach(a => tooltips.processQuote(a, false, true));
if (tooltips.bottomBacklinks) {
const alts = placeHolder.querySelector('.altBacklinks');
if (alts && alts.firstChild) {
Array.from(alts.firstChild.children)
.forEach(a => tooltips.processQuote(a, true));
}
}
// Append to replyPreview and apply hash links
replyPreview.appendChild(placeHolder);
addHashLinks(placeHolder);
console.log('Inline post appended and hash links applied:', quoteTarget.quoteUrl);
tooltips.removeIfExists();
}, true);
};
// Patch processQuote to skip hash links
const originalProcessQuote = tooltips.processQuote;
tooltips.processQuote = function(quote, isBacklink) {
if (!quote.href || quote.classList.contains('hash-link') || quote.closest('.hash-link-container') || quote.href.includes('#q')) {
console.log('Skipped invalid or hash link in processQuote:', quote.href || quote.textContent);
return;
}
originalProcessQuote.apply(this, arguments);
};
}
// Set up MutationObserver to handle dynamically added or updated backlinks and quote links
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
if (mutation.addedNodes.length) {
mutation.addedNodes.forEach(node => {
if (node.nodeType === Node.ELEMENT_NODE) {
// Check for new backlink or quote link <a> elements
const newLinks = node.matches('.panelBacklinks a, .altBacklinks a, .divMessage .quoteLink') ? [node] : node.querySelectorAll('.panelBacklinks a, .altBacklinks a, .divMessage .quoteLink');
newLinks.forEach(link => {
addHashLinks(link.parentElement);
console.log('Hash links applied to new link:', link.textContent);
});
}
});
}
});
});
// Observe changes to the posts container
const postsContainer = document.querySelector('.divPosts') || document.body;
observer.observe(postsContainer, {
childList: true,
subtree: true
});
})();
//--Hash navigation
//Inline reply chains
(function() {
'use strict';
console.log('Userscript is running');
// Add CSS for visual nesting
const style = document.createElement('style');
style.innerHTML = `
.inlineQuote .replyPreview {
margin-left: 20px;
border-left: 1px solid #ccc;
padding-left: 10px;
}
.closeInline {
color: #ff0000;
cursor: pointer;
margin-left: 5px;
font-weight: bold;
}
`;
document.head.appendChild(style);
// Wait for tooltips to initialize
window.addEventListener('load', function() {
if (!window.tooltips) {
console.error('tooltips module not found');
return;
}
console.log('tooltips module found');
// Ensure Inline Replies is enabled
if (!tooltips.inlineReplies) {
console.log('Enabling Inline Replies');
localStorage.setItem('inlineReplies', 'true');
tooltips.inlineReplies = true;
// Check and update the checkbox, retrying if not yet loaded
const enableCheckbox = () => {
const inlineCheckbox = document.getElementById('settings-SW5saW5lIFJlcGxpZX');
if (inlineCheckbox) {
inlineCheckbox.checked = true;
console.log('Inline Replies checkbox checked');
return true;
}
console.warn('Inline Replies checkbox not found, retrying...');
return false;
};
// Try immediately
if (!enableCheckbox()) {
// Retry every 500ms up to 5 seconds
let attempts = 0;
const maxAttempts = 10;
const interval = setInterval(() => {
if (enableCheckbox() || attempts >= maxAttempts) {
clearInterval(interval);
if (attempts >= maxAttempts) {
console.error('Failed to find Inline Replies checkbox after retries');
}
}
attempts++;
}, 500);
}
} else {
console.log('Inline Replies already enabled');
}
// Override addLoadedTooltip to ensure replyPreview exists
const originalAddLoadedTooltip = tooltips.addLoadedTooltip;
tooltips.addLoadedTooltip = function(htmlContents, tooltip, quoteUrl, replyId, isInline) {
console.log('addLoadedTooltip called for:', quoteUrl);
originalAddLoadedTooltip.apply(this, arguments);
if (isInline) {
let replyPreview = htmlContents.querySelector('.replyPreview');
if (!replyPreview) {
replyPreview = document.createElement('div');
replyPreview.className = 'replyPreview';
htmlContents.appendChild(replyPreview);
}
}
};
// Override addInlineClick for nested replies, excluding post number links
tooltips.addInlineClick = function(quote, innerPost, isBacklink, quoteTarget, sourceId) {
// Skip post number links (href starts with #q)
if (quote.href.includes('#q')) {
console.log('Skipping post number link:', quote.href);
return;
}
// Remove existing listeners by cloning
const newQuote = quote.cloneNode(true);
quote.parentNode.replaceChild(newQuote, quote);
quote = newQuote;
// Reapply hover events to preserve preview functionality
tooltips.addHoverEvents(quote, innerPost, quoteTarget, sourceId);
console.log('Hover events reapplied for:', quoteTarget.quoteUrl);
// Add click handler
quote.addEventListener('click', function(e) {
console.log('linkQuote clicked:', quoteTarget.quoteUrl);
if (!tooltips.inlineReplies) {
console.log('inlineReplies disabled');
return;
}
e.preventDefault();
e.stopPropagation(); // Prevent site handlers
// Find or create replyPreview
let replyPreview = innerPost.querySelector('.replyPreview');
if (!replyPreview) {
replyPreview = document.createElement('div');
replyPreview.className = 'replyPreview';
innerPost.appendChild(replyPreview);
}
// Check for duplicates or loading
if (tooltips.loadingPreviews[quoteTarget.quoteUrl] ||
tooltips.quoteAlreadyAdded(quoteTarget.quoteUrl, innerPost)) {
console.log('Duplicate or loading:', quoteTarget.quoteUrl);
return;
}
// Create and load inline post
const placeHolder = document.createElement('div');
placeHolder.style.whiteSpace = 'normal';
placeHolder.className = 'inlineQuote';
tooltips.loadTooltip(placeHolder, quoteTarget.quoteUrl, sourceId, true);
// Verify post loaded
if (!placeHolder.querySelector('.linkSelf')) {
console.log('Failed to load post:', quoteTarget.quoteUrl);
return;
}
// Add close button
const close = document.createElement('a');
close.innerText = 'X';
close.className = 'closeInline';
close.onclick = () => placeHolder.remove();
placeHolder.querySelector('.postInfo').prepend(close);
// Process quotes in the new inline post
Array.from(placeHolder.querySelectorAll('.linkQuote'))
.forEach(a => tooltips.processQuote(a, false, true));
if (tooltips.bottomBacklinks) {
const alts = placeHolder.querySelector('.altBacklinks');
if (alts && alts.firstChild) {
Array.from(alts.firstChild.children)
.forEach(a => tooltips.processQuote(a, true));
}
}
// Append to replyPreview
replyPreview.appendChild(placeHolder);
console.log('Inline post appended:', quoteTarget.quoteUrl);
tooltips.removeIfExists();
}, true); // Use capture phase
};
// Reprocess all existing linkQuote and backlink elements, excluding post numbers
console.log('Reprocessing linkQuote elements');
const quotes = document.querySelectorAll('.linkQuote, .panelBacklinks a');
quotes.forEach(quote => {
const innerPost = quote.closest('.innerPost, .innerOP');
if (!innerPost) {
console.log('No innerPost found for quote:', quote.href);
return;
}
// Skip post number links
if (quote.href.includes('#q')) {
console.log('Skipping post number link:', quote.href);
return;
}
const isBacklink = quote.parentElement.classList.contains('panelBacklinks') ||
quote.parentElement.classList.contains('altBacklinks');
const quoteTarget = api.parsePostLink(quote.href);
const sourceId = api.parsePostLink(innerPost.querySelector('.linkSelf').href).post;
tooltips.addInlineClick(quote, innerPost, isBacklink, quoteTarget, sourceId);
});
// Observe for dynamically added posts
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
mutation.addedNodes.forEach(node => {
if (node.nodeType !== 1) return;
const newQuotes = node.querySelectorAll('.linkQuote, .panelBacklinks a');
newQuotes.forEach(quote => {
if (quote.dataset.processed || quote.href.includes('#q')) {
if (quote.href.includes('#q')) {
console.log('Skipping post number link:', quote.href);
}
return;
}
quote.dataset.processed = 'true';
const innerPost = quote.closest('.innerPost, .innerOP');
if (!innerPost) return;
const isBacklink = quote.parentElement.classList.contains('panelBacklinks') ||
quote.parentElement.classList.contains('altBacklinks');
const quoteTarget = api.parsePostLink(quote.href);
const sourceId = api.parsePostLink(innerPost.querySelector('.linkSelf').href).post;
tooltips.addInlineClick(quote, innerPost, isBacklink, quoteTarget, sourceId);
});
});
});
});
observer.observe(document.querySelector('.divPosts') || document.body, {
childList: true,
subtree: true
});
console.log('MutationObserver set up');
});
})();
//--Inline replies
//Auto TOS Accept with Delay
(function() {
'use strict';
// Check if on the disclaimer page
if (window.location.pathname === '/.static/pages/disclaimer.html') {
// Redirect to confirmed page after 1-second delay
setTimeout(() => {
window.location.replace('.static/pages/confirmed.html');
console.log('Automatically redirected from disclaimer to confirmed page after 1-second delay');
}, 1000);
}
})();
//--Auto TOS Accept with Delay
//Media Auto-Preview
// Auto-preview images and videos on hover for un-expanded thumbnails, disabling native hover
(function() {
'use strict';
// Disable native hover preview
localStorage.setItem('hoveringImage', 'false'); // Disable "Image Preview on Hover" setting
if (window.thumbs && typeof window.thumbs.removeHoveringExpand === 'function') {
window.thumbs.removeHoveringExpand(); // Remove native hover listeners
}
// Override addHoveringExpand to prevent re-enabling
if (window.thumbs) {
window.thumbs.addHoveringExpand = function() {
// Do nothing to prevent native hover preview
console.log('Native hover preview (addHoveringExpand) blocked by userscript');
};
}
// Supported file extensions for images and videos
const supportedExtensions = {
image: ['.gif', '.webp', '.png', '.jfif', '.pjpeg', '.jpeg', '.pjp', '.jpg', '.bmp', '.dib', '.svgz', '.svg'],
video: ['.webm', '.m4v', '.mp4', '.ogm', '.ogv', '.avi', '.asx', '.mpg', '.mpeg']
};
// Create preview container
const previewContainer = document.createElement('div');
previewContainer.style.position = 'fixed';
previewContainer.style.zIndex = '1000';
previewContainer.style.pointerEvents = 'none'; // Allow clicks to pass through
previewContainer.style.display = 'none';
document.body.appendChild(previewContainer);
// Function to check if URL is a supported image or video
function isSupportedMedia(url) {
const ext = (url.match(/\.[a-z0-9]+$/i) || [''])[0].toLowerCase();
return supportedExtensions.image.includes(ext) || supportedExtensions.video.includes(ext);
}
// Function to check if URL is a video
function isVideo(url) {
const ext = (url.match(/\.[a-z0-9]+$/i) || [''])[0].toLowerCase();
return supportedExtensions.video.includes(ext);
}
// Function to check if link is in un-expanded state
function isUnexpanded(link) {
const thumbnail = link.querySelector('img:not(.imgExpanded)');
const expanded = link.querySelector('img.imgExpanded');
return thumbnail && window.getComputedStyle(thumbnail).display !== 'none' &&
(!expanded || window.getComputedStyle(expanded).display === 'none');
}
// Function to calculate preview dimensions
function getPreviewDimensions(naturalWidth, naturalHeight) {
// Detect zoom level
const zoomLevel = window.devicePixelRatio || 1; // Fallback to 1 if undefined
// Content area (excludes scrollbar) for max size
const maxWidth = document.documentElement.clientWidth;
const maxHeight = document.documentElement.clientHeight;
// Screen resolution for small media check
const screenWidth = window.screen.width || 1920; // Fallback to 1920
const screenHeight = window.screen.height || 1080; // Fallback to 1080
// If media fits within screen resolution, use full native size
if (naturalWidth <= screenWidth && naturalHeight <= screenHeight) {
let width = naturalWidth;
let height = naturalHeight;
// If native size exceeds content area, scale down
const scaleByWidth = maxWidth / width;
const scaleByHeight = maxHeight / height;
const scale = Math.min(scaleByWidth, scaleByHeight, 1);
width = Math.round(width * scale);
height = Math.round(height * scale);
return { width, height };
}
// Otherwise, adjust for zoom and scale to fit content area
let width = naturalWidth / zoomLevel;
let height = naturalHeight / zoomLevel;
const scaleByWidth = maxWidth / width;
const scaleByHeight = maxHeight / height;
const scale = Math.min(scaleByWidth, scaleByHeight, 1);
width = Math.round(width * scale);
height = Math.round(height * scale);
return { width, height };
}
// Function to position preview near cursor
function positionPreview(event) {
const mouseX = event.clientX;
const mouseY = event.clientY;
const previewWidth = previewContainer.offsetWidth;
const previewHeight = previewContainer.offsetHeight;
// Skip if dimensions are not yet available
if (previewWidth === 0 || previewHeight === 0) {
return;
}
// Use content area for positioning (excludes scrollbar)
const maxWidth = document.documentElement.clientWidth;
const maxHeight = document.documentElement.clientHeight;
// Calculate centered position
const centerX = (maxWidth - previewWidth) / 2;
const centerY = (maxHeight - previewHeight) / 2;
// Allow cursor to influence position with a bounded offset
const maxOffset = 100; // Maximum pixels to shift from center
const cursorOffsetX = Math.max(-maxOffset, Math.min(maxOffset, mouseX - maxWidth / 2));
const cursorOffsetY = Math.max(-maxOffset, Math.min(maxOffset, mouseY - maxHeight / 2));
// Calculate initial position with cursor influence
let left = centerX + cursorOffsetX;
let top = centerY + cursorOffsetY;
// Ensure preview stays fully within content area
left = Math.max(0, Math.min(left, maxWidth - previewWidth));
top = Math.max(0, Math.min(top, maxHeight - previewHeight));
previewContainer.style.left = `${left}px`;
previewContainer.style.top = `${top}px`;
}
// Function to show preview
function showPreview(link, event) {
if (!isUnexpanded(link)) return; // Skip if expanded
const url = link.href;
if (!isSupportedMedia(url)) return;
// Clear existing preview
previewContainer.innerHTML = '';
if (isVideo(url)) {
// Create video element
const video = document.createElement('video');
video.src = url;
video.autoplay = true;
video.muted = false; // Play with audio
video.loop = true;
video.style.maxWidth = '100%';
video.style.maxHeight = '100%';
// Set dimensions and position when metadata is loaded
video.onloadedmetadata = () => {
const { width, height } = getPreviewDimensions(video.videoWidth, video.videoHeight);
video.width = width;
video.height = height;
previewContainer.style.width = `${width}px`;
previewContainer.style.height = `${height}px`;
previewContainer.style.display = 'block'; // Show after dimensions are set
positionPreview(event);
};
previewContainer.appendChild(video);
} else {
// Create image element
const img = document.createElement('img');
img.src = url;
img.style.maxWidth = '100%';
img.style.maxHeight = '100%';
// Set dimensions and position when image is loaded
img.onload = () => {
const { width, height } = getPreviewDimensions(img.naturalWidth, img.naturalHeight);
img.width = width;
img.height = height;
previewContainer.style.width = `${width}px`;
previewContainer.style.height = `${height}px`;
previewContainer.style.display = 'block'; // Show after dimensions are set
positionPreview(event);
};
previewContainer.appendChild(img);
}
}
// Function to hide preview
function hidePreview() {
previewContainer.style.display = 'none';
// Stop video playback
const video = previewContainer.querySelector('video');
if (video) {
video.pause();
video.currentTime = 0;
}
previewContainer.innerHTML = '';
}
// Function to apply hover events to links
function applyHoverEvents(container = document) {
const links = container.querySelectorAll('.uploadCell a.imgLink');
links.forEach(link => {
// Skip if already processed
if (link.dataset.previewProcessed) return;
link.dataset.previewProcessed = 'true';
link.addEventListener('mouseenter', (e) => {
showPreview(link, e);
});
link.addEventListener('mousemove', (e) => {
if (previewContainer.style.display === 'block') {
positionPreview(e);
}
});
link.addEventListener('mouseleave', () => {
hidePreview();
});
// Hide preview on click if expanded
link.addEventListener('click', () => {
if (!isUnexpanded(link)) {
hidePreview();
}
});
});
}
// Apply hover events to existing links on page load
applyHoverEvents();
console.log('Media preview events applied on page load');
// Patch inline reply logic to apply hover events to new inline content
if (window.tooltips) {
// Patch loadTooltip to apply hover events after content is loaded
const originalLoadTooltip = tooltips.loadTooltip;
tooltips.loadTooltip = function(element, quoteUrl, sourceId, isInline) {
originalLoadTooltip.apply(this, arguments);
if (isInline) {
setTimeout(() => {
applyHoverEvents(element);
console.log('Media preview events applied to loaded tooltip content:', quoteUrl);
}, 0);
}
};
// Patch addLoadedTooltip to ensure hover events are applied
const originalAddLoadedTooltip = tooltips.addLoadedTooltip;
tooltips.addLoadedTooltip = function(htmlContents, tooltip, quoteUrl, replyId, isInline) {
originalAddLoadedTooltip.apply(this, arguments);
if (isInline) {
applyHoverEvents(htmlContents);
console.log('Media preview events applied to inline tooltip content:', quoteUrl);
}
};
}
// Set up MutationObserver to handle dynamically added posts
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
if (mutation.addedNodes.length) {
mutation.addedNodes.forEach(node => {
if (node.nodeType === Node.ELEMENT_NODE) {
// Handle new posts and inline replies
const newLinks = node.matches('.uploadCell a.imgLink') ? [node] : node.querySelectorAll('.uploadCell a.imgLink');
newLinks.forEach(link => {
applyHoverEvents(link.parentElement);
console.log('Media preview events applied to new link:', link.href);
});
}
});
}
});
});
// Observe changes to the posts container
const postsContainer = document.querySelector('.divPosts') || document.body;
observer.observe(postsContainer, {
childList: true,
subtree: true
});
})();
//--Media Auto-Preview
//Post Age Tooltip
// Show a tooltip with time elapsed since post when hovering over date/time
(function() {
'use strict';
// Create tooltip container
const tooltip = document.createElement('div');
tooltip.style.position = 'fixed';
tooltip.style.zIndex = '1000';
tooltip.style.backgroundColor = 'rgba(0, 0, 0, 0.8)';
tooltip.style.color = '#fff';
tooltip.style.padding = '5px 10px';
tooltip.style.borderRadius = '4px';
tooltip.style.fontSize = '12px';
tooltip.style.pointerEvents = 'none';
tooltip.style.display = 'none';
document.body.appendChild(tooltip);
// Parse timestamp (e.g., "04/16/2025 (Wed) 21:23:21")
function parseTimestamp(text) {
const match = text.match(/^(\d{2})\/(\d{2})\/(\d{4}).*?(\d{2}):(\d{2}):(\d{2})$/);
if (!match) return null;
const [, month, day, year, hours, minutes, seconds] = match;
const isoString = `${year}-${month}-${day}T${hours}:${minutes}:${seconds}`;
const date = new Date(isoString);
return isNaN(date.getTime()) ? null : date;
}
// Format elapsed time
function formatElapsedTime(postDate) {
const now = new Date();
const diffMs = now - postDate;
if (diffMs < 0) return 'Just now';
const diffSeconds = Math.floor(diffMs / 1000);
if (diffSeconds < 60) {
return `${diffSeconds} second${diffSeconds === 1 ? '' : 's'} ago`;
}
const diffMinutes = Math.floor(diffSeconds / 60);
if (diffMinutes < 60) {
return `${diffMinutes} minute${diffMinutes === 1 ? '' : 's'} ago`;
}
const diffHours = Math.floor(diffMinutes / 60);
if (diffHours < 24) {
const remainingMinutes = diffMinutes % 60;
return `${diffHours} hour${diffHours === 1 ? '' : 's'} and ${remainingMinutes} minute${remainingMinutes === 1 ? '' : 's'} ago`;
}
const diffDays = Math.floor(diffHours / 24);
const remainingHours = diffHours % 24;
return `${diffDays} day${diffDays === 1 ? '' : 's'} and ${remainingHours} hour${remainingHours === 1 ? '' : 's'} ago`;
}
// Position tooltip above element
function positionTooltip(event, element) {
const rect = element.getBoundingClientRect();
const left = event.clientX;
const top = rect.top - tooltip.offsetHeight - 5;
tooltip.style.left = `${left}px`;
tooltip.style.top = `${top}px`;
}
// Show tooltip
function showTooltip(element, event) {
const postDate = parseTimestamp(element.textContent);
if (!postDate) {
tooltip.style.display = 'none';
return;
}
tooltip.textContent = formatElapsedTime(postDate);
tooltip.style.display = 'block';
positionTooltip(event, element);
}
// Hide tooltip
function hideTooltip() {
tooltip.style.display = 'none';
}
// Apply tooltip events to labelCreated elements
function applyTooltipEvents(container = document) {
const dateSpans = container.querySelectorAll('span.labelCreated');
dateSpans.forEach(span => {
// Remove existing listeners to avoid duplicates
span.removeEventListener('mouseenter', showTooltip);
span.removeEventListener('mouseleave', hideTooltip);
span.addEventListener('mouseenter', (e) => {
showTooltip(span, e);
});
span.addEventListener('mouseleave', () => {
hideTooltip();
});
});
}
// Apply tooltip events on page load
applyTooltipEvents();
console.log('Post age tooltip events applied on page load');
// Patch inline reply logic
if (window.tooltips) {
const originalLoadTooltip = tooltips.loadTooltip;
tooltips.loadTooltip = function(element, quoteUrl, sourceId, isInline) {
originalLoadTooltip.apply(this, arguments);
if (isInline) {
setTimeout(() => {
applyTooltipEvents(element);
console.log('Post age tooltip events applied to loaded tooltip content:', quoteUrl);
}, 0);
}
};
const originalAddLoadedTooltip = tooltips.addLoadedTooltip;
tooltips.addLoadedTooltip = function(htmlContents, tooltip, quoteUrl, replyId, isInline) {
originalAddLoadedTooltip.apply(this, arguments);
if (isInline) {
applyTooltipEvents(htmlContents);
console.log('Post age tooltip events applied to inline tooltip content:', quoteUrl);
}
};
}
//Force-Enable Local Times
(function() {
'use strict';
localStorage.setItem('localTime', 'true');
console.log('Local Times setting enabled');
})();
// MutationObserver for dynamically added posts
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
if (mutation.addedNodes.length) {
mutation.addedNodes.forEach(node => {
if (node.nodeType === Node.ELEMENT_NODE) {
const newSpans = node.matches('span.labelCreated') ? [node] : node.querySelectorAll('span.labelCreated');
newSpans.forEach(span => {
applyTooltipEvents(span.parentElement);
console.log('Post age tooltip events applied to new span:', span.textContent);
});
}
});
}
});
});
// Observe posts container
const postsContainer = document.querySelector('.divPosts') || document.body;
observer.observe(postsContainer, {
childList: true,
subtree: true
});
})();
//--Post Age Tooltip
//Last Read Post Tracker
(function() {
'use strict';
// Only run on thread pages (e.g., /vyt/res/24600.html)
if (!window.location.pathname.match(/\/res\/\d+\.html$/)) {
console.log('Not a thread page, exiting Last Read Post Tracker');
return;
}
// Get thread ID from URL (e.g., "24600" from /vyt/res/24600.html)
const threadIdMatch = window.location.pathname.match(/(\d+)\.html$/);
if (!threadIdMatch) {
console.error('Could not extract thread ID from URL:', window.location.pathname);
return;
}
const threadId = threadIdMatch[1];
// Load last read posts from localStorage
let lastReadPosts = {};
try {
lastReadPosts = JSON.parse(localStorage.getItem('lastReadPosts') || '{}');
} catch (e) {
console.error('Failed to parse lastReadPosts from localStorage:', e);
}
let lastReadPostId = lastReadPosts[threadId] || null;
let currentArrow = null;
// Throttle function to limit scroll event frequency
function throttle(fn, wait) {
let lastCall = 0;
return function(...args) {
const now = Date.now();
if (now - lastCall >= wait) {
lastCall = now;
fn(...args);
}
};
}
// Add arrow to a post (only called on page load)
function addArrow(postContainer) {
if (currentArrow) {
currentArrow.remove();
currentArrow = null;
}
const postInfo = postContainer.querySelector('.postInfo.title');
if (!postInfo) {
console.error('postInfo.title not found in postContainer:', postContainer.outerHTML);
return;
}
const arrow = document.createElement('span');
arrow.textContent = '→';
arrow.style.color = '#ff0000';
arrow.style.marginLeft = '5px';
postInfo.appendChild(arrow);
currentArrow = arrow;
console.log(`Added arrow to post on load: ${postContainer.id || postContainer.className}`);
}
// Update last read post based on scroll position (no arrow during scroll)
function updateLastReadPost() {
const posts = document.querySelectorAll('.postCell, .postContainer');
if (!posts.length) {
console.warn('No post elements found. Available classes:',
Array.from(document.querySelectorAll('[class*="post"], [class*="reply"]'))
.map(el => el.className)
.filter((v, i, a) => a.indexOf(v) === i));
// Retry after a short delay if no posts are found
setTimeout(() => requestAnimationFrame(updateLastReadPost), 500);
return;
}
let newLastReadPostId = lastReadPostId;
posts.forEach(post => {
const rect = post.getBoundingClientRect();
// Extract post ID from id or linkQuote
let postId = post.id.match(/^(?:pc|p|post-)?(\d+)$/)?.[1];
if (!postId) {
const linkQuote = post.querySelector('.linkQuote');
postId = linkQuote?.textContent.trim().replace('>>', '') || null;
}
if (!postId) {
console.warn('Could not extract post ID from:', post.outerHTML);
return;
}
// Consider post read if its top is above viewport center and visible
if (rect.top < window.innerHeight / 2 && rect.bottom > 0) {
newLastReadPostId = postId;
}
});
if (newLastReadPostId && newLastReadPostId !== lastReadPostId) {
lastReadPostId = newLastReadPostId;
console.log(`Tracked last read post for thread ${threadId}: ${lastReadPostId} (no arrow)`);
}
}
// Save last read post to localStorage when leaving the thread
function saveLastReadPost() {
if (lastReadPostId) {
lastReadPosts[threadId] = lastReadPostId;
try {
localStorage.setItem('lastReadPosts', JSON.stringify(lastReadPosts));
console.log(`Saved last read post for thread ${threadId}: ${lastReadPostId}`);
} catch (e) {
console.error('Failed to save lastReadPosts to localStorage:', e);
}
}
}
// Scroll to last read post on load and show arrow (MODIFIED for v2.5.2 base)
function scrollToLastReadPost() {
// --- Check for conditions where we should NOT scroll to the stored last read post ---
const currentHash = window.location.hash;
const referrer = document.referrer; // Check referrer
// Check if referrer is from an overboard page
const isFromOverboard = referrer.includes('/overboard') || referrer.includes('/sfw');
// Check if the hash targets a specific post (e.g., #12345)
const hasPostHash = currentHash.match(/^#(\d+)$/);
// Condition 1: Came from overboard AND there's a specific post hash (#postId)
if (hasPostHash && isFromOverboard) {
console.log('[Last Read Tracker] Overboard navigation with post hash detected. Skipping scroll to last read post. Allowing default browser scroll.');
// Let the browser handle the scroll based on the hash.
// The Shared Link Handler below will also see this hash but might refine scroll/clear hash later if needed.
return; // Exit without scrolling to stored position
}
// Condition 2: Page loaded with a specific post hash (#postId), even if not from overboard
// This check prevents this module from overriding the Shared Link Handler's job,
// which should handle scrolling to the *target* post ID in this case.
if (hasPostHash && !isFromOverboard) {
console.log('[Last Read Tracker] Initial post hash detected (not from overboard). Skipping scroll to stored last read post (handled by Shared Link Handler).');
return; // Exit without scrolling to stored position
}
// --- If neither condition above was met, proceed with original logic ---
// Check if we have a stored lastReadPostId for this thread
if (lastReadPostId) {
// Find the post container using the lastReadPostId FROM STORAGE
// Original querySelector from v2.5.2:
const postContainer = document.querySelector(`[id="pc${lastReadPostId}"], [id="p${lastReadPostId}"], [id="post-${lastReadPostId}"], .postCell .linkQuote[href*="${lastReadPostId}"], .postContainer .linkQuote[href*="${lastReadPostId}"]`)?.closest('.postCell, .postContainer');
if (postContainer) {
// Scroll to the *stored* last read post because no initial #postId hash was present
postContainer.scrollIntoView({ behavior: 'smooth', block: 'center' });
addArrow(postContainer); // Add arrow only when scrolling to stored position
console.log(`[Last Read Tracker] Scrolled to stored last read post: ${lastReadPostId}`);
} else {
// Post container not found in DOM yet, maybe retry
console.warn(`[Last Read Tracker] Stored last read post container for ID ${lastReadPostId} not found, retrying in 500ms...`);
// Retry only if the DOM might still be loading (don't retry indefinitely if Conditions 1 or 2 were met earlier)
setTimeout(scrollToLastReadPost, 500);
}
} else {
// No stored last read post ID for this thread
console.log('[Last Read Tracker] No stored last read post found for thread:', threadId);
}
}
// Wait for DOM to be fully ready
function initialize() {
if (document.readyState === 'complete' || document.readyState === 'interactive') {
scrollToLastReadPost();
// Attach throttled scroll handler using requestAnimationFrame
const throttledUpdate = throttle(() => requestAnimationFrame(updateLastReadPost), 200);
window.addEventListener('scroll', throttledUpdate);
// Log DOM state for debugging
console.log('Initial post elements found:', document.querySelectorAll('.postCell, .postContainer').length);
} else {
setTimeout(initialize, 100); // Retry until DOM is ready
}
}
// Start initialization
initialize();
// Save last read post when leaving the thread
window.addEventListener('beforeunload', saveLastReadPost);
console.log('Last Read Post Tracker initialized for thread', threadId);
})();
//--Last Read Post Tracker
//Post Number Click Hash Purge
(function() {
'use strict';
// Event delegation for post number clicks (.linkQuote with #q<postId> in .postInfo.title)
document.addEventListener('click', function(e) {
const link = e.target.closest('.postInfo.title .linkQuote[href*="#q"]');
if (link) {
e.preventDefault(); // Block qr.js's default hash-setting
e.stopPropagation(); // Stop other handlers
const postId = link.href.match(/#q(\d+)/)?.[1];
if (!postId) {
console.warn('Could not extract post ID from link:', link.href);
return;
}
const post = document.getElementById(postId);
if (!post) {
console.warn(`Post ${postId} not found for quick reply`);
return;
}
// Preserve current scroll position
const scrollX = window.scrollX;
const scrollY = window.scrollY;
console.log(`Preserving scroll position: x=${scrollX}, y=${scrollY}`);
// Temporarily block scrollIntoView to prevent qr.js scrolling
const originalScrollIntoView = Element.prototype.scrollIntoView;
Element.prototype.scrollIntoView = function() {
console.log(`Blocked scrollIntoView for post ${postId} during click`);
};
// Manually trigger quick reply
if (window.qr && typeof window.qr.showQr === 'function') {
window.qr.showQr(postId);
// Restore scrollIntoView
Element.prototype.scrollIntoView = originalScrollIntoView;
// Clear any hash using only history.replaceState
history.replaceState(null, '', window.location.pathname);
// Ensure no residual hash
if (window.location.hash) {
console.log(`Residual hash detected: ${window.location.hash}, clearing`);
history.replaceState(null, '', window.location.pathname);
}
// Restore scroll position to counter any changes
window.scrollTo(scrollX, scrollY);
console.log(`Post number click #q${postId}, opened quick reply, cleared hash, restored scroll: x=${scrollX}, y=${scrollY}`);
} else {
console.warn('qr.showQr not available, falling back to default behavior');
// Allow default behavior if qr.js is unavailable
Element.prototype.scrollIntoView = originalScrollIntoView;
window.location.hash = `#q${postId}`;
}
}
}, true);
})();
//--Post Number Click Hash Purge
//Quick Reply Clear Button
(function() {
'use strict';
// Function to add Clear button to quick reply form
function addClearButton() {
const qrForm = document.querySelector('#quick-reply');
if (!qrForm) {
console.log('Quick reply form not found');
return;
}
// Check if Clear button already exists
if (qrForm.querySelector('.qr-clear-button')) {
console.log('Clear button already added');
return;
}
// Create Clear button
const clearButton = document.createElement('button');
clearButton.type = 'button'; // Prevent form submission
clearButton.className = 'qr-clear-button';
clearButton.textContent = 'Clear';
clearButton.style.marginLeft = '5px';
clearButton.style.padding = '2px 6px';
clearButton.style.cursor = 'pointer';
clearButton.style.border = '1px solid';
clearButton.style.borderRadius = '3px';
// Add click handler to clear all fields
clearButton.addEventListener('click', () => {
const qrBody = qrForm.querySelector('#qrbody');
const qrName = qrForm.querySelector('#qrname');
const qrSubject = qrForm.querySelector('#qrsubject');
if (qrBody) qrBody.value = '';
if (qrName) qrName.value = '';
if (qrSubject) qrSubject.value = '';
console.log('Cleared all quick reply fields');
});
// Insert button after the submit button or at the end of the form
const submitButton = qrForm.querySelector('input[type="submit"]');
if (submitButton) {
submitButton.insertAdjacentElement('afterend', clearButton);
} else {
qrForm.appendChild(clearButton);
}
console.log('Added Clear button to quick reply form');
}
// Function to clear message body only
function clearMessageBody() {
const qrBody = document.querySelector('#qrbody');
if (qrBody) {
qrBody.value = '';
console.log('Cleared quick reply message body');
} else {
console.log('Quick reply message body not found');
}
}
// Track quick reply display state
let isQrVisible = document.querySelector('#quick-reply') && window.getComputedStyle(document.querySelector('#quick-reply')).display !== 'none';
// Observe quick reply form for display changes
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
if (mutation.type === 'attributes' && mutation.attributeName === 'style') {
const qrForm = document.querySelector('#quick-reply');
if (!qrForm) return;
const isNowVisible = window.getComputedStyle(qrForm).display !== 'none';
if (isNowVisible && !isQrVisible) {
// Quick reply opened
addClearButton();
console.log('Quick reply opened, added Clear button');
} else if (!isNowVisible && isQrVisible) {
// Quick reply closed
clearMessageBody();
}
isQrVisible = isNowVisible;
}
});
});
// Start observing the quick reply form (if it exists)
const qrForm = document.querySelector('#quick-reply');
if (qrForm) {
observer.observe(qrForm, {
attributes: true,
attributeFilter: ['style']
});
// Initial check
if (window.getComputedStyle(qrForm).display !== 'none') {
addClearButton();
isQrVisible = true;
}
}
// Handle direct close button clicks
document.addEventListener('click', (e) => {
if (e.target.closest('.close-btn')) {
clearMessageBody();
}
}, true);
console.log('Quick Reply Clear Button initialized');
})();
//--Quick Reply Clear Button
//Hash Quote Click Hash Purge
(function() {
'use strict';
// Event delegation for hash quote clicks (.hash-link)
document.addEventListener('click', function(e) {
if (e.target.classList.contains('hash-link')) {
e.preventDefault(); // Block original Hash navigation handler
e.stopPropagation(); // Stop other handlers
const link = e.target.closest('.hash-link-container').previousElementSibling;
if (!link || !link.textContent.startsWith('>>')) {
console.warn('Invalid hash link or no associated quote:', e.target);
return;
}
const postId = link.textContent.replace('>>', '');
const post = document.getElementById(postId);
if (!post) {
console.warn(`Post ${postId} not found for hash quote navigation`);
return;
}
// Preserve current scroll position as fallback
const scrollX = window.scrollX;
const scrollY = window.scrollY;
console.log(`Preserving scroll position for hash quote: x=${scrollX}, y=${scrollY}`);
// Scroll to post
post.scrollIntoView({ behavior: 'smooth', block: 'center' });
// Set hash temporarily to trigger scroll (if needed by browser)
window.location.hash = `#${postId}`;
// Immediately clear hash
history.replaceState(null, '', window.location.pathname);
// Ensure no residual hash
if (window.location.hash) {
console.log(`Residual hash detected: ${window.location.hash}, clearing`);
history.replaceState(null, '', window.location.pathname);
}
// Restore scroll position if browser overrides
window.scrollTo(scrollX, scrollY);
console.log(`Hash quote click #${postId}, scrolled to post, cleared hash, restored scroll: x=${scrollX}, y=${scrollY}`);
}
}, true);
})();
//--Hash Quote Click Hash Purge
//Shared Post Link Handler with Overboard Handling (for v2.5.2 base)
(function() {
'use strict';
// Only run on thread pages
if (!window.location.pathname.match(/\/res\/\d+\.html$/)) {
// console.log('[Shared Link Handler] Not a thread page, exiting.');
return;
}
const initialHash = window.location.hash;
const referrer = document.referrer;
const isFromOverboard = referrer.includes('/overboard') || referrer.includes('/sfw');
console.log(`[Shared Link Handler] Initial Load - Hash: "${initialHash}", Referrer: "${referrer}", FromOverboard: ${isFromOverboard}`);
const postIdMatch = initialHash.match(/^#(\d+)$/);
const isDirectPostLink = !!postIdMatch;
const targetPostId = postIdMatch ? postIdMatch[1] : null;
// Handle direct shared links (e.g., #123456)
if (isDirectPostLink && targetPostId) {
console.log(`[Shared Link Handler] Direct post link detected: #${targetPostId}`);
// The modified Last Read Tracker already prevents scrolling to the *stored* position
// if this hash exists. Now we just need to handle the scrolling *to the target*
// and the hash clearing, respecting the overboard case.
window.addEventListener('load', () => {
// Use a small timeout to allow the browser's potential initial scroll to happen first
setTimeout(() => {
const post = document.getElementById(targetPostId) ||
document.querySelector(`.postCell .linkQuote[href*="${targetPostId}"], .postContainer .linkQuote[href*="${targetPostId}"]`)?.closest('.postCell, .postContainer');
if (post) {
if (!isFromOverboard) {
// If NOT from overboard, ensure we scroll smoothly to the target post
console.log('[Shared Link Handler] Scrolling to target post (not from overboard).');
post.scrollIntoView({ behavior: 'smooth', block: 'center' });
// Clear the hash AFTER scrolling to prevent conflicts
history.replaceState(null, '', window.location.pathname);
console.log('[Shared Link Handler] Cleared shared post hash after scrolling.');
} else {
// If FROM overboard, the browser should handle the initial scroll.
// We *still* want to clear the hash afterwards to prevent conflicts
// with the Last Read Tracker saving logic or subsequent interactions.
console.log('[Shared Link Handler] From overboard link. Browser should have scrolled. Clearing hash.');
history.replaceState(null, '', window.location.pathname);
console.log('[Shared Link Handler] Cleared shared post hash (from overboard).');
}
} else {
// Post specified in hash not found
console.warn(`[Shared Link Handler] Shared post ${targetPostId} not found.`);
// Clear the invalid hash anyway
history.replaceState(null, '', window.location.pathname);
console.log('[Shared Link Handler] Cleared non-existent shared post hash.');
}
}, 100); // 100ms delay
}, { once: true });
}
// Handle quick reply hashes (#q<postId>) on load (regardless of referrer)
else if (initialHash.match(/^#q\d+$/)) {
console.log('[Shared Link Handler] Quick reply hash detected on load.');
window.addEventListener('load', () => {
// Preserve current scroll position (could be 0,0 or where Last Read Tracker scrolled)
const scrollX = window.scrollX;
const scrollY = window.scrollY;
// Clear quick reply hash
history.replaceState(null, '', window.location.pathname);
// Restore scroll position just in case clearing the hash triggered a scroll
window.scrollTo(scrollX, scrollY);
console.log(`[Shared Link Handler] Cleared quick reply hash ${initialHash} on load, restored scroll: x=${scrollX}, y=${scrollY}`);
}, { once: true });
}
// If no initial hash, do nothing - Last Read Tracker handles it.
// --- Hash Change Listener ---
// Block ALL default hashchange scrolling triggered by site scripts or manual hash changes
// for post/QR hashes, as the script should manage scrolling and state.
window.addEventListener('hashchange', (e) => {
const currentHash = window.location.hash;
// Check for #q<digits> or #<digits>
if (currentHash.match(/^#(q)?\d+$/)) {
console.log(`[Shared Link Handler] Hashchange event detected for ${currentHash}. Preventing default and clearing.`);
e.preventDefault(); // Prevent default scroll/action
e.stopPropagation(); // Prevent other listeners (like site's qr.js)
const scrollX = window.scrollX;
const scrollY = window.scrollY;
// Clear the hash immediately
history.replaceState(null, '', window.location.pathname);
// Restore scroll position
window.scrollTo(scrollX, scrollY);
// console.log(`[Shared Link Handler] Blocked hashchange, cleared hash ${currentHash}, restored scroll: x=${scrollX}, y=${scrollY}`);
}
}, true); // Use capture phase
console.log('[Shared Link Handler] Initialized.');
})();
//--Shared Post Link Handler with Overboard Handling (for v2.5.2 base)