GitHub - s-osa/jan: JAN object gem

jan is a small utility gem for JAN code.

Supported versions

Ruby
- 2.7.x
- 2.6.x
- 2.5.x

Installation

Add this line to your application's Gemfile:

And then execute:

Or install it yourself as:

Usage

Basic

code = Jan::Code.new('4901277241126')

code.valid? # => true

code.body # => '490127724112'
code.check_digit # => '6'

code.source_marking? # => true
code.instore_marking? # => false

Calculate check digit

body = Jan::CodeBody.new('490127724112')

body.calculate_check_digit # => '6'
body.generate_code # => '4901277241126'

Generate random code

random = Jan::Random.new

random.code # => '5689450935688'
random.instore_code # => '2799375754394'

Contributing

Bug reports and pull requests are welcome.

Install dependencies
- bundle install
Run tests
- rake spec