gk-magic-numbers

Validation of MIME types for attached formats, files or buffers

Usage

The main function is validate with 2 params:

file

file is an required String param that return the MIME type for the file given

shouldBe

shouldBe is an optional String param that says to the validate function, what should the MIME type that expect for the file given

const magicNumbers = require('gk-magic-numbers') 

// Using file
let myPdf = magicNumbers.validate('file.pdf')
console.log(myPdf) // application/pdf

// Usign shouldBe
if (magicNumbers.validate('file.mp3', 'mp3')) { // returns a Boolean
  console.log('Is a mp3')
}

License

The MIT License (MIT)