invoice-number

Node.js module to generate invoice number sequentially

Installation

``sh
$ npm install invoice-number
`


Usage

`typescript
import { InvoiceNumber } from 'invoice-number'

InvoiceNumber.next('2017/08/ABC001')
// => 2017/08/ABC002

InvoiceNumber.next('xjsiwe234njshd6')
// => XJSIWE234NJSHD7

InvoiceNumber.next('899ZZZ9')
// => 900AAA0

``