@@ -184,68 +184,60 @@ window.cancelAnimFrame = (function () {
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||||
return;
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||||
}
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||||
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||||
// Chromium fix: always disconnect the old observer before creating a new one.
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||||
// Chromium holds detached DOM nodes in an IntersectionObserver alive much longer
|
||||
// than Firefox does. If we reuse a stale observer after an AJAX content swap,
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||||
// Chromium can fire callbacks for old detached nodes, causing duplicate image
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||||
// fetches and flooding the network. Disconnecting releases those references.
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||||
if (lazyObserver) {
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||||
lazyObserver.disconnect();
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||||
lazyObserver = null;
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||||
}
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||||
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||||
lazyObserver = new IntersectionObserver((entries) => {
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||||
entries.forEach(entry => {
|
||||
if (entry.isIntersecting) {
|
||||
const thumb = entry.target;
|
||||
let bg = thumb.dataset.bg;
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||||
if (bg && !thumb.classList.contains('loaded')) {
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||||
const mode = thumb.getAttribute('data-mode');
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||||
const blurNsfw = localStorage.getItem('blurNsfw') === 'true';
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||||
const blurNsfl = localStorage.getItem('blurNsfl') === 'true';
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||||
const blurSfw = localStorage.getItem('blurSfw') === 'true';
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||||
const blurUntagged = localStorage.getItem('blurUntagged') === 'true';
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||||
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||||
let shouldBlurThis = false;
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||||
if (mode === 'nsfw') shouldBlurThis = blurNsfw;
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||||
else if (mode === 'nsfl') shouldBlurThis = blurNsfl;
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||||
else if (mode === 'sfw') shouldBlurThis = blurSfw;
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||||
else if (mode === 'null' || !mode) shouldBlurThis = blurUntagged;
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||||
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||||
if (shouldBlurThis && !thumb.classList.contains('revealed')) {
|
||||
bg = bg.replace('.webp', '_blur.webp');
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||||
}
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||||
|
||||
bg = window.applyThumbCacheBust(bg);
|
||||
const img = new Image();
|
||||
img.onload = () => {
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||||
thumb.style.backgroundImage = `url('${bg}')`;
|
||||
thumb.classList.add('loaded');
|
||||
thumb.classList.remove('lazy-thumb');
|
||||
};
|
||||
img.onerror = () => {
|
||||
const retries = parseInt(thumb.dataset.retries || '0');
|
||||
if (retries < 3) {
|
||||
thumb.dataset.retries = retries + 1;
|
||||
setTimeout(() => {
|
||||
img.src = bg + '?r=' + Date.now();
|
||||
}, 1000);
|
||||
} else {
|
||||
// All retries exhausted — show fallback for audio items
|
||||
const mime = thumb.dataset.mime || '';
|
||||
if (mime.startsWith('audio/')) {
|
||||
thumb.style.backgroundImage = `url('/s/img/audio.webp')`;
|
||||
thumb.classList.add('thumb-fallback');
|
||||
}
|
||||
thumb.classList.remove('lazy-thumb');
|
||||
if (!lazyObserver) {
|
||||
lazyObserver = new IntersectionObserver((entries) => {
|
||||
entries.forEach(entry => {
|
||||
if (entry.isIntersecting) {
|
||||
const thumb = entry.target;
|
||||
let bg = thumb.dataset.bg;
|
||||
if (bg && !thumb.classList.contains('loaded')) {
|
||||
const mode = thumb.getAttribute('data-mode');
|
||||
const blurNsfw = localStorage.getItem('blurNsfw') === 'true';
|
||||
const blurNsfl = localStorage.getItem('blurNsfl') === 'true';
|
||||
const blurSfw = localStorage.getItem('blurSfw') === 'true';
|
||||
const blurUntagged = localStorage.getItem('blurUntagged') === 'true';
|
||||
|
||||
let shouldBlurThis = false;
|
||||
if (mode === 'nsfw') shouldBlurThis = blurNsfw;
|
||||
else if (mode === 'nsfl') shouldBlurThis = blurNsfl;
|
||||
else if (mode === 'sfw') shouldBlurThis = blurSfw;
|
||||
else if (mode === 'null' || !mode) shouldBlurThis = blurUntagged;
|
||||
|
||||
if (shouldBlurThis && !thumb.classList.contains('revealed')) {
|
||||
bg = bg.replace('.webp', '_blur.webp');
|
||||
}
|
||||
};
|
||||
img.src = bg;
|
||||
|
||||
bg = window.applyThumbCacheBust(bg);
|
||||
const img = new Image();
|
||||
img.onload = () => {
|
||||
thumb.style.backgroundImage = `url('${bg}')`;
|
||||
thumb.classList.add('loaded');
|
||||
thumb.classList.remove('lazy-thumb');
|
||||
};
|
||||
img.onerror = () => {
|
||||
const retries = parseInt(thumb.dataset.retries || '0');
|
||||
if (retries < 3) {
|
||||
thumb.dataset.retries = retries + 1;
|
||||
setTimeout(() => {
|
||||
img.src = bg + '?r=' + Date.now();
|
||||
}, 1000);
|
||||
} else {
|
||||
// All retries exhausted — show fallback for audio items
|
||||
const mime = thumb.dataset.mime || '';
|
||||
if (mime.startsWith('audio/')) {
|
||||
thumb.style.backgroundImage = `url('/s/img/audio.webp')`;
|
||||
thumb.classList.add('thumb-fallback');
|
||||
}
|
||||
thumb.classList.remove('lazy-thumb');
|
||||
}
|
||||
};
|
||||
img.src = bg;
|
||||
}
|
||||
lazyObserver.unobserve(thumb);
|
||||
}
|
||||
lazyObserver.unobserve(thumb);
|
||||
}
|
||||
});
|
||||
}, { rootMargin: '300px 0px', threshold: 0.01 });
|
||||
});
|
||||
}, { rootMargin: '300px 0px', threshold: 0.01 });
|
||||
}
|
||||
|
||||
// Nudge lazy loading on tab switch to prevent stuck skeletons in inactive tabs
|
||||
if (!window._lazyVisibilityBound) {
|
||||
@@ -262,10 +254,7 @@ window.cancelAnimFrame = (function () {
|
||||
}
|
||||
|
||||
document.querySelectorAll('.lazy-thumb').forEach(thumb => {
|
||||
// Reset lazyObserved on every initLazyLoading call so the fresh observer
|
||||
// picks up all unloaded thumbs regardless of previous observation state.
|
||||
delete thumb.dataset.lazyObserved;
|
||||
if (!thumb.classList.contains('loaded')) {
|
||||
if (!thumb.dataset.lazyObserved) {
|
||||
thumb.dataset.lazyObserved = 'true';
|
||||
lazyObserver.observe(thumb);
|
||||
}
|
||||
|
||||
@@ -535,17 +535,6 @@ process.on('uncaughtException', err => {
|
||||
}
|
||||
return;
|
||||
}
|
||||
// Thumbnails (/t/) and covers (/ca/) are static WebP files that never change at a
|
||||
// given URL — the client appends a ?t= cache-bust param when a thumb is regenerated.
|
||||
// Without an explicit Cache-Control header, Chromium treats these as uncacheable and
|
||||
// re-fetches every visible thumbnail on every AJAX navigation, causing severe lag.
|
||||
// Firefox uses a more lenient heuristic and caches them anyway — hence the difference.
|
||||
if (req.url.pathname.match(/^\/(t|ca)\//)) {
|
||||
res.setHeader('Cache-Control', 'public, max-age=31536000, immutable');
|
||||
} else if (req.url.pathname.match(/^\/(b|a|memes)\//)) {
|
||||
// Full-size images and avatars: cache for 1 hour, re-validate after
|
||||
res.setHeader('Cache-Control', 'public, max-age=3600');
|
||||
}
|
||||
return;
|
||||
}
|
||||
const availableThemes = cfg.websrv.themes || ['amoled', 'atmos', 'f0ck', 'f0ck95d', 'iced', 'orange', 'p1nk', '4d'];
|
||||
|
||||
Reference in New Issue
Block a user