Dependency injection sample

gistfile1.js

//global space

var MockDepedency = function(){}

MockDepedency.prototype.getValue = function(){
    console.log("What what what what!!!");
}

function __setter(name){
    "use strict";
    eval(name + "=MockDepedency");
}

function evalString(){
    eval(__setter);
    return __setter;
}

function define(args, callback){

    var Dependency = function(){
        this.value = 1;
    }

    Dependency.prototype.getValue = function(){
        console.log(this.value);
    }
    return callback(Dependency);
}



//module space
function main (){
    var Thing = define([], function(Dependency){
        var ThingDef = function(){
            this.dep = new Dependency();
        };

        ThingDef.prototype.doSomething = function(){
            this.dep.getValue();
        };
        eval(String(__setter)); //Would like to get rid of this
        ThingDef.__setter = __setter;
        return ThingDef;
    });

    Thing.__setter('Dependency');
    var thing = new Thing();
    thing.doSomething();
}

//app space
main();