function StateMachine states this states states this indexes for var t

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];
        }
    }

    this.consumeEvent = function(e){
        if(this.currentState.events[e]){
            this.currentState = this.states[this.indexes[this.currentState.events[e]]];
        }
    }

    this.getStatus = function(){
        return this.currentState.name;
    }
}