stateMachine.js

//States
var states = [{
    'name': 'working',
        'initial': true,
        'events': {
        'bored': 'coffee',
            'call_for_meeting': 'meeting',
    }
}, {
    'name': 'coffee',
        'events': {
        'break_over': 'working',
            'call_for_meeting': 'meeting'
    }
}, {
    'name': 'meeting',
        'events': {
        'meetings_over': 'working'
    }
}, ];

function StateMachine(states) {
    this.states = states;
    this.indexes = {};
    for (var i = 0; i < this.states.length; i++) {
        this.indexes[this.states[i].name] = i;
        if (this.states[i].initial) {
            this.currentState = this.states[i];
        }
    }
};
StateMachine.prototype.consumeEvent = function (e) {
    if (this.currentState.events[e]) {
        this.currentState = this.states[this.indexes[this.currentState.events[e]]];
    }
}
StateMachine.prototype.getStatus = function () {
    return this.currentState.name;
}