'use strict';
/**
* Check if a Buffer/Uint8Array is a GZIP file
*
* @param {Buffer} buf
* @api public
*/
module.exports = function (buf) {
if (!buf || buf.length < 3) {
return false;
}
return buf[0] === 31 && buf[1] === 139 && buf[2] === 8;
};