Mixins

mixins

var Class = function() {
    this.initialize.apply(this, arguments);
};

_.extend(Class, {
    extend: Backbone.View.extend,
    
    inherit: function() {
        var ret = this;
        _.each(_.toArray(arguments), function(object) {
            ret = ret.extend(object.prototype, object);
        });
        return ret;
    },
    
    include: function() {
        return _.extend.apply(_, [this].concat(_.toArray(arguments)));
    },
    
    mixin: function() {
        return _.extend.apply(_, [this.prototype].concat(_.toArray(arguments)));
    }
});

Class.mixin(Backbone.Events, {
    initialize: function() {}
});


var Foo = Class.inherit(Backbone.View, Backbone.Router).extend({
  // ...
});

Foo.include({ bar: true });
Foo.mixin({ baz: true });

var foo = new Foo();

console.log(foo);
console.log('Instance of Class  :', foo instanceof Class);
console.log('Instance of View   :', foo instanceof Backbone.View);
console.log('Instance of Router :', foo instanceof Backbone.Router);