'use strict';
var gifRegexp = /^GIF8a/; function isGIF (buffer) {
var signature = buffer.toString('ascii', 0, 6); return (gifRegexp.test(signature));
}
function calculate(buffer) {
return { 'width': buffer.readUInt16LE(6), 'height': buffer.readUInt16LE(8) };
}
module.exports = {
'detect': isGIF, 'calculate': calculate
};