is-cwebp-readable/index.js

Check if a Buffer/Uint8Array is available for cwebp image source

'use strict';

const fileType = require('file-type');

module.exports = function isCwebpReadable(buf) {
	const type = fileType(buf);

	if (!type) {
		return false;
	}

	const {ext} = type;

	return ext === 'png' || ext === 'jpg' || ext === 'tif' || ext === 'webp';
};