A randomly generated UPC-12(UPC-A) code For Amazon
npm install upc-generatorshell
npm install --save upc-generator
`
Usage
`javascript
import UPC from 'upc-generator';
let upc = new UPC({flagCode: '1'})
const code = upc.create()
// 132877019981
`
For commonJS
`javascript
const UPC = require('upc-generator');
`
API
constructor(prop)
$3
Type: object
flagCode?
Type: literals '0' | '1' | '6' | '7' | '8' | '9' | ''
set First code of UPC bar code
manufacturer?
Type: string Default: ''
Set gen upc number 2th to 6th, It represents the manufacturer code
create(prop)
gen upc-12 code
`javascript
const code = upc.create({flagCode: '1', manufacturer: '23456'})
// 123456545694
`
createMultiple(prop)
gen multiple upc-12 code, return array
code
`javascript
const arr = upc.createMultiple({size: 3, flagCode: '1', manufacturer: '23456'})
`
$3
size?
Type: number Default: 1
isValid(code)
Check ean code whether it is legal
Type:: string
code
`javascript
const valid = upc.isValid('123456545694')
// true
const valid = upc.isValid('123456545695')
// false
``