Humblebee

A general purpose FiniteStateMachine - industrious as a bee.

Installation

npm install humblebee --save

Usage

  var createHumblebeeFsm = require('humblebee');

  var unlock = function () {
    console.log('unlock() called.');
  };
  var alarm = function () {
    console.log('alarm() called.');
  };
  var thankYou = function () {
    console.log('thankYou() called.');
  };
  var lock = function () {
    console.log('lock() called.');
  };

  var turnstyleFsmSpecification = {
    'states' : {
      'Locked' : {
        'initial' : true,
        'events' : {
          'insertCoin' : {'transition' : 'Unlocked', 'action' : unlock},
          'passThrough' : {'transition' : undefined, 'action' : alarm}
        }
      },
      'Unlocked' : {
        'events' : {
          'insertCoin' : {'transition' : undefined, 'action' : thankYou},
          'passThrough' : {'transition' : 'Locked', 'action' : lock}
        }
      }
    }
  };

  var turnstyleFsm = createHumblebeeFsm(turnstyleFsmSpecification);
  console.log('Initial state is Locked.');
  turnstyleFsm.passThrough();
  console.log('State is still Locked.');
  turnstyleFsm.insertCoin();
  console.log('State is now Unlocked.');
  turnstyleFsm.insertCoin();
  console.log('State is still Unlocked.');
  turnstyleFsm.passThrough();
  console.log('State is now Locked again.');

Tests

npm test

License

Published under the MIT-License, see LICENSE-MIT.txt file.

Contact

Your feedback is appreciated, please e-mail me at alaarmann@gmx.net

Release History

• 0.1.0 Initial release