Files
hstream/resources/js/responsive.js

69 lines
1.4 KiB
JavaScript

function updateGrid(grid) {
// Skip hidden grids
if (grid.offsetParent === null) {
return;
}
const items = [...grid.querySelectorAll('.episode-item')];
if (!items.length) {
return;
}
// Reset visibility first
items.forEach(item => {
item.style.display = '';
});
// Determine actual column count
const firstTop = items[0].offsetTop;
let columns = 0;
for (const item of items) {
if (item.offsetTop !== firstTop) {
break;
}
columns++;
}
const rows = parseInt(grid.dataset.rows || '2', 10);
const visibleItems = columns * rows;
items.forEach((item, index) => {
item.style.display = index < visibleItems
? ''
: 'none';
});
}
function updateAllEpisodeGrids() {
document.querySelectorAll('.episode-grid').forEach(updateGrid);
}
const observer = new IntersectionObserver(entries => {
entries.forEach(entry => {
if (entry.isIntersecting) {
updateGrid(entry.target);
}
});
});
document.querySelectorAll('.episode-grid').forEach(grid => {
observer.observe(grid);
});
let resizeTimeout;
window.addEventListener('resize', () => {
clearTimeout(resizeTimeout);
resizeTimeout = setTimeout(() => {
updateAllEpisodeGrids();
}, 100);
});
window.addEventListener('load', updateAllEpisodeGrids);