Maashkinoozhe/MangaCircus
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Consolidate MangaCircus app, scraper, and Compose baseline

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Maashkinoozhe committed 2026-10-07 23:28:20 +02:00
1 parent cfb2d79103
commit eef4ffa07c
103 files changed
+9316 -172
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scraper/lib/images.js
+16
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'use strict';
const TYPES = [
{ ext: 'jpg', test: b => b.length >= 3 && b[0] === 0xff && b[1] === 0xd8 && b[2] === 0xff },
{ ext: 'png', test: b => b.length >= 8 && b.subarray(0, 8).equals(Buffer.from([137, 80, 78, 71, 13, 10, 26, 10])) },
{ ext: 'gif', test: b => b.length >= 6 && /^GIF8[79]a$/.test(b.subarray(0, 6).toString('ascii')) },
{ ext: 'webp', test: b => b.length >= 12 && b.subarray(0, 4).toString('ascii') === 'RIFF' && b.subarray(8, 12).toString('ascii') === 'WEBP' },
{ ext: 'bmp', test: b => b.length >= 2 && b.subarray(0, 2).toString('ascii') === 'BM' },
{ ext: 'avif', test: b => b.length >= 12 && b.subarray(4, 12).toString('ascii').includes('ftyp') && /avif|avis/.test(b.subarray(8, 32).toString('ascii')) },
];
function imageExtension(buffer) {
return TYPES.find(type => type.test(buffer))?.ext || null;
}
module.exports = { imageExtension };