Mus - FSM in TypeScript

finite-state machine in TypeScript for Angular

Goal

• basic state
• annotation support

Draft

1. Annotation

@transition(field='state', source='new', target='published', conditions=[can_publish])

2. Simple DSL Support

@transition(
    field='state',
    source='for_moderators',
    target=GET_STATE(
        lambda self, allowed: 'published' if allowed else 'rejected',
        states=['published', 'rejected']))

3. Self Usage

e.x. Transit Status

• beginTransit
• endTransit
• failTransit
• doTransit

References

• https://github.com/jakesgordon/javascript-state-machine
• https://github.com/eonarheim/TypeState
• https://github.com/kmmbvnr/django-fsm
• https://github.com/hekailiang/squirrel

JavaScript Example:

var fsm = new StateMachine({
  init: 'solid',
  transitions: [
    { name: 'melt',     from: 'solid',  to: 'liquid' },
    { name: 'freeze',   from: 'liquid', to: 'solid'  },
    { name: 'vaporize', from: 'liquid', to: 'gas'    },
    { name: 'condense', from: 'gas',    to: 'liquid' }
  ],
  methods: {
    onMelt:     function() { console.log('I melted')    },
    onFreeze:   function() { console.log('I froze')     },
    onVaporize: function() { console.log('I vaporized') },
    onCondense: function() { console.log('I condensed') }
  }
});

License

@ 2018 A Phodal Huang's Idea. This code is distributed under the MIT license. See LICENSE in this directory.