ISBN-10 and ISBN-13 Validation

To install using npm -

npm install isbn-validation

To install using yarn -

yarn add isbn-validation

To use this, first import the checksum() function from 'isbn-validation', like this -

import {checksum} from 'isbn-validation'

The Function takes one input, i.e., the ISBN-10 or ISBN-13 in string format

Note: Make Sure the isbn is a string.

checksum("9789387779464") //isbn-13
checksum("0756603390") //isbn-10