A refactoring of repeatings to eliminate. Not quite smaller the code became.
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@ -2,48 +2,42 @@ const video_formats = ["webm", "mp4"];
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const audio_formats = ["mp3", "flac", "opus", "ogg", "m4a"];
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const image_formats = ["jpg", "jpeg", "gif", "png", "bmp", "webp"];
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let scale = 1;
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const overlay = document.getElementById("overlay");
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let scale = 1;
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function mousescroll(e) {
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e.preventDefault();
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scale += e.deltaY * -0.001;
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scale = Math.min(Math.max(0.25, scale), 4);
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scale = Math.min(Math.max(0.25, scale + (e.deltaY * -0.001)), 4);
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e.target.style.transform = `scale(${scale})`;
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}
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const ext_filter = (ext, pathname) => pathname.toLowerCase().endsWith(ext);
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function to_overlay(eltyp, pathname) {
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const el = document.createElement(eltyp);
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if (eltyp !== "audio") el.addEventListener('wheel', mousescroll);
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if (eltyp !== "img") el.autoplay = el.controls = true;
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el.src = pathname;
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overlay.appendChild(el);
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overlay.style.visibility = "visible";
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}
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document.getElementById("overlay").addEventListener("click", e => {
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e.target.firstChild.remove();
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e.target.style.visibility = "hidden";
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scale = 1;
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});
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const file_links = Array.from(document.getElementsByTagName('tr')).slice(2).filter((e) => e.lastChild.innerHTML != "DIR").map(v => v.firstChild.firstChild);
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const file_links = Array.from(document.getElementsByTagName('tr')).slice(2).filter(e => e.lastChild.innerHTML != "DIR").map(l => l.firstChild.firstChild);
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file_links.forEach(f => f.addEventListener('click', e => {
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if (video_formats.some(ext => e.target.pathname.toLowerCase().endsWith(ext))) {
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const pathname = e.target.pathname;
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if (video_formats.some(ext => ext_filter(ext, pathname)))
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to_overlay("video", pathname);
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else if (audio_formats.some(ext => ext_filter(ext, pathname)))
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to_overlay("audio", pathname);
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else if (image_formats.some(ext => ext_filter(ext, pathname)))
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to_overlay("img", pathname);
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if (overlay.firstChild != null)
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e.preventDefault();
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const video = document.createElement("video");
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video.addEventListener('wheel', mousescroll);
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video.autoplay = true;
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video.controls = true;
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video.src = e.target.pathname;
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document.getElementById("overlay").appendChild(video);
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document.getElementById("overlay").style.visibility = "visible";
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} else if (audio_formats.some(ext => e.target.pathname.toLowerCase().endsWith(ext))) {
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e.preventDefault();
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const audio = document.createElement("audio");
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audio.autoplay = true;
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audio.controls = true;
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audio.src = e.target.pathname;
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document.getElementById("overlay").appendChild(audio);
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document.getElementById("overlay").style.visibility = "visible";
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} else if (image_formats.some(ext => e.target.pathname.toLowerCase().endsWith(ext))) {
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e.preventDefault();
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const image = document.createElement("img");
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image.addEventListener('wheel', mousescroll);
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image.src = e.target.pathname;
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document.getElementById("overlay").appendChild(image);
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document.getElementById("overlay").style.visibility = "visible";
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}
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}));
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