constbt=require('buffer-type');constfs=require('fs');constinfo=bt(fs.readFileSync(__dirname+'/logo.png'));console.log(info);//{// type: 'image/png',// extension: '.png',// width: 618,// height: 96,// bit: 8, // bit depth// color: 6,// compression: 0,// filter: 0,// interlace: 0// }