const hashFile = require('hash-file');
 
hashFile('test.jpg').then(hash => {
    console.log(hash);
    //=> 'ac8b2c4b75b2d36988c62b919a857f1baacfcd4c'
});
 
hashFile.sync('test.jpg');
//=> 'ac8b2c4b75b2d36988c62b919a857f1baacfcd4c'