Node Js: How To Get File Signature Headers Instead Of Mime-type?

I downloaded this module for my node js project, and it seems to work fine up to a certain point. If you console.log(mime.lookup(pathToFile)); it returns the correct file type that

Solution 1:

Try using file-type.

Detect the file type of a Buffer/Uint8Array

The file type is detected by checking the magic number of the buffer.

const readChunk = require('read-chunk'); // npm install read-chunk const fileType = require('file-type');
const buffer = readChunk.sync('unicorn.png', 0, 262);

fileType(buffer);
//=> {ext: 'png', mime: 'image/png'} 

It requires to read the first 262 bytes. Check the supported extensions on the page