Dwelling/files/static/assets/js/main.js

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JavaScript
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const video_formats = ["webm", "mp4"];
const audio_formats = ["mp3", "flac", "opus", "ogg", "m4a"];
const image_formats = ["jpg", "jpeg", "gif", "png", "bmp", "webp"];
const overlay = document.getElementById("overlay");
let scale = 1;
function mousescroll(e) {
e.preventDefault();
scale = Math.min(Math.max(0.25, scale + (e.deltaY * -0.001)), 4);
e.target.style.transform = `scale(${scale})`;
}
const ext_filter = (ext, pathname) => pathname.toLowerCase().endsWith(ext);
function to_overlay(eltyp, pathname) {
const el = document.createElement(eltyp);
if (eltyp !== "audio") el.addEventListener('wheel', mousescroll);
if (eltyp !== "img") el.autoplay = el.controls = true;
el.src = pathname;
overlay.appendChild(el);
overlay.style.visibility = "visible";
}
document.getElementById("overlay").addEventListener("click", e => {
e.target.firstChild.remove();
e.target.style.visibility = "hidden";
scale = 1;
});
const file_links = Array.from(document.getElementsByTagName('tr')).slice(2).filter(e => e.lastChild.innerHTML != "DIR").map(l => l.firstChild.firstChild);
file_links.forEach(f => f.addEventListener('click', e => {
const pathname = e.target.pathname;
if (video_formats.some(ext => ext_filter(ext, pathname)))
to_overlay("video", pathname);
else if (audio_formats.some(ext => ext_filter(ext, pathname)))
to_overlay("audio", pathname);
else if (image_formats.some(ext => ext_filter(ext, pathname)))
to_overlay("img", pathname);
if (overlay.firstChild != null)
e.preventDefault();
}));