image-type/index.js

Detect the image type of an ArrayBuffer/Uint8Array

import {fileTypeFromBuffer} from 'file-type';

const imageExtensions = new Set([
	'jpg',
	'png',
	'gif',
	'webp',
	'flif',
	'cr2',
	'tif',
	'bmp',
	'jxr',
	'psd',
	'ico',
	'bpg',
	'jp2',
	'jpm',
	'jpx',
	'heic',
	'cur',
	'dcm',
	'avif',
]);

export default async function imageType(input) {
	const result = await fileTypeFromBuffer(input);
	return result && imageExtensions.has(result.ext) ? result : undefined;
}

export const minimumBytes = 4100;