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Revert "refactor: streamline LoraCard event handling and implement virtual scrolling for improved performance"

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This reverts commit 5dd8d905fa.
This commit is contained in:
Will Miao
2025-05-11 18:50:19 +08:00
parent d516f22159
commit ce7e422169
6 changed files with 195 additions and 570 deletions
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56
static/js/utils/uiHelpers.js
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@@ -92,68 +92,16 @@ export function showToast(message, type = 'info') {
}
export function lazyLoadImages() {
// Use a single observer for all images with data-src attribute
const observer = new IntersectionObserver((entries) => {
const observer = new IntersectionObserver(entries => {
entries.forEach(entry => {
if (entry.isIntersecting && entry.target.dataset.src) {
// Only set src when the image becomes visible
entry.target.src = entry.target.dataset.src;
// Once loaded, stop observing this image
observer.unobserve(entry.target);
// Handle load error by replacing with a fallback
entry.target.onerror = () => {
entry.target.src = '/loras_static/images/no-preview.png';
};
}
});
}, {
rootMargin: '100px', // Load images a bit before they come into view
threshold: 0.1
});
// Start observing all images with data-src attribute
document.querySelectorAll('img[data-src]').forEach(img => {
observer.observe(img);
});
// Store the observer in state to avoid multiple instances
if (state.imageObserver) {
state.imageObserver.disconnect();
}
state.imageObserver = observer;
// Add a mutation observer to handle dynamically added images
if (!state.mutationObserver) {
state.mutationObserver = new MutationObserver(mutations => {
mutations.forEach(mutation => {
if (mutation.type === 'childList') {
mutation.addedNodes.forEach(node => {
if (node.nodeType === 1) { // Element node
// Check for img[data-src] in the added node
const images = node.querySelectorAll
? node.querySelectorAll('img[data-src]')
: [];
images.forEach(img => observer.observe(img));
// Check if the node itself is an image with data-src
if (node.tagName === 'IMG' && node.dataset.src) {
observer.observe(node);
}
}
});
}
});
});
// Start observing the body for changes
state.mutationObserver.observe(document.body, {
childList: true,
subtree: true
});
}
document.querySelectorAll('img[data-src]').forEach(img => observer.observe(img));
}
export function restoreFolderFilter() {