https://github.com/siman-man/state_transition

StateMachine for Ruby
https://github.com/siman-man/state_transition

gem ruby

Last synced: 11 months ago
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StateMachine for Ruby

• Host: GitHub
• URL: https://github.com/siman-man/state_transition
• Owner: siman-man
• License: mit
• Created: 2013-08-19T04:16:00.000Z (almost 13 years ago)
• Default Branch: master
• Last Pushed: 2014-04-27T15:29:38.000Z (about 12 years ago)
• Last Synced: 2025-07-28T17:13:25.860Z (12 months ago)
• Topics: gem, ruby
• Language: Ruby
• Size: 223 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.txt

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README

          
# StateTransition

https://github.com/jakesgordon/javascript-state-machine

This program is very useful. so I created ruby ver.

version 0.1.0 is active only upper 2.1.0.

## Installation

Add this line to your application's Gemfile:

    gem 'state_transition'

And then execute:

    $ bundle

Or install it yourself as:

    $ gem install state_transition

## Usage

    require 'state_transition'

    state = StateTransition::StateMachine.new({

      initial: :first,

      actions: [

        { name: "move_first", from: [ :second, :third ], to: :first },

        { name: "move_second", from: [ :first, :third ], to: :second },

        { name: "move_third", from: :second, to: :third },

      ],

      callbacks: {

        before_second: -> { puts "before_second" },

        after_second: -> { puts "after_second" },

      }

    })

    puts state.current            #=> :first

    puts state.can_move?(:second) #=> true

    puts state.can_move?(:third)  #=> false

    state.move_second

    puts state.current            #=> :second

## Contributing

1. Fork it

2. Create your feature branch (`git checkout -b my-new-feature`)

3. Commit your changes (`git commit -am 'Add some feature'`)

4. Push to the branch (`git push origin my-new-feature`)

5. Create new Pull Request