README.md

ISBN Util

Breaking change from version 2.0.0. From this version this module should be used as esm module. If you prefer use as CommonJS Module, install previous v1.1.2

This module check if an ISBN is valid or not and also provide a method to generate a valid random ISBN-10 or ISBN-13

Install

npm i isbn-util --save-dev

Usage

import { validate, generate } from 'isbn-util';

validate('84-481-2231-3');
//=> true

validate('0137081073');
//=> true

validate('isbn: 84-481-2231-3');
//=> false

generate('13');
//=> '9780137081073'

generate('13', 'prefix');
//=> 'isbn-13: 9780137081073'

generate('10');
//=> '8448122313'