Sha256: 1d12736f2df136fab5d66541a5b34dc5ec0c4863c1e4ebcb379db8dc483161be
Contents?: true
Size: 1.77 KB
Versions: 7
Compression:
Stored size: 1.77 KB
Contents
// base class
var Animal = Class.create({
initialize: function(name) {
this.name = name;
},
name: "",
eat: function() {
return this.say("Yum!");
},
say: function(message) {
return this.name + ": " + message;
}
});
// subclass that augments a method
var Cat = Class.create(Animal, {
eat: function($super, food) {
if (food instanceof Mouse) return $super();
else return this.say("Yuk! I only eat mice.");
}
});
// empty subclass
var Mouse = Class.create(Animal, {});
//mixins
var Sellable = {
getValue: function(pricePerKilo) {
return this.weight * pricePerKilo;
},
inspect: function() {
return '#<Sellable: #{weight}kg>'.interpolate(this);
}
};
var Reproduceable = {
reproduce: function(partner) {
if (partner.constructor != this.constructor || partner.sex == this.sex)
return null;
var weight = this.weight / 10, sex = Math.random(1).round() ? 'male' : 'female';
return new this.constructor('baby', weight, sex);
}
};
// base class with mixin
var Plant = Class.create(Sellable, {
initialize: function(name, weight) {
this.name = name;
this.weight = weight;
},
inspect: function() {
return '#<Plant: #{name}>'.interpolate(this);
}
});
// subclass with mixin
var Dog = Class.create(Animal, Reproduceable, {
initialize: function($super, name, weight, sex) {
this.weight = weight;
this.sex = sex;
$super(name);
}
});
// subclass with mixins
var Ox = Class.create(Animal, Sellable, Reproduceable, {
initialize: function($super, name, weight, sex) {
this.weight = weight;
this.sex = sex;
$super(name);
},
eat: function(food) {
if (food instanceof Plant)
this.weight += food.weight;
},
inspect: function() {
return '#<Ox: #{name}>'.interpolate(this);
}
});
Version data entries
7 entries across 7 versions & 3 rubygems