InheritedClassVar

Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file lib/inherited_class_var. To experiment with that code, run bin/console for an interactive prompt.

(Travis CI)

Installation

Add this line to your application's Gemfile:

gem 'inherited_class_var'

And then execute:

$ bundle

Or install it yourself as:

$ gem install inherited_class_var

Usage

You can follow this example, if you want to create Models with columns information and these informations still available after inheritance

Create a Model module with inherited_class_var

require 'inherited_class_var'

module Model
  extend ActiveSupport::Concern

  included do
    include InheritedClassVar
    inherited_class_hash :columns
  end

  module ClassMethods

    protected

    def column(column_name, options={})
      merge_columns(column_name.to_sym => options)
    end
  end
end

merge_columns it's bring by inherited_class_var

class ModelBase
  include Model

  column :id, type: Integer
end

Gives

ModelBase.columns # => {:id=>{:type=>Integer}}

class UserModel < ModelBase

  column :name, type: String
end

Gives

UserModel.columns # => {:id=>{:type=>Integer}, :name=>{:type=>String}}

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/inherited_class_var. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.