ean13-lib
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0.0.5 • Public • Published

EAN 13 lib

Typescript library for EAN 13 numbers basic features.

Installation

$ npm i ean13-lib --save

Usage

Number Validation

Returns if the input (13 length digits string) is an EAN 13 number or not.

import { Ean13Utils } from 'ean13-lib';

const result = Ean13Utils.validate('2621922006400');
expect(result).toBeFalsy();
                    
const result = Ean13Utils.validate('2621922006390');
expect(result).toBeTruthy();

Check digit calculation

Calculates the input (12 digits string) check digit.

const result = Ean13Utils.calculateCheckDigit('262192200517');
expect(result).toBe(1);

Number Generation

Returns the input with the calculated check digit as the 13th digit.

const generatedBarcode = Ean13Utils.generate('262192200517');
expect(generatedBarcode).toBe(2621922005171);

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Install

npm i ean13-lib

Weekly Downloads

650

Version

0.0.5

License

MIT

Unpacked Size

6.13 kB

Total Files

8

Last publish

Collaborators

  • marciopd