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* Parent.extend(Child);
*
* // optional methods
* Parent.extend(Child, {
* foo: function() {},
* bar: function() {}
* });
* ```
* @name #extend
* @param {Function} `Ctor` constructor to extend
* @param {Object} `methods` Optional prototype properties to mix in.
* @return {Object} Returns the `Base` constructor for chaining
* @api public
*/
define(Base, 'extend', cu.extend(Base, function(Ctor, Parent) {
Ctor.prototype.mixins = Ctor.prototype.mixins || [];
define(Ctor, 'mixin', function(fn) {
var mixin = fn(Ctor.prototype, Ctor);
if (typeof mixin === 'function') {
Ctor.prototype.mixins.push(mixin);
}
return Ctor;
});
define(Ctor, 'mixins', function(Child) {
Base.run(Child, 'mixin', Ctor.prototype.mixins);
return Ctor;
});
Ctor.prototype.mixin = function(key, value) {
/**
* Similar to `util.inherit`, but copies all static properties, prototype properties, and
* getters/setters from `Provider` to `Receiver`. See [class-utils][]{#inherit} for more details.
*
* ```js
* Base.inherit(Foo, Bar);
* ```
* @name #inherit
* @param {Function} `Receiver` Receiving (child) constructor
* @param {Function} `Provider` Providing (parent) constructor
* @return {Object} Returns the `Base` constructor for chaining
* @api public
*/
define(Base, 'inherit', cu.inherit);
define(Base, 'bubble', cu.bubble);
return Base;
}
/**
* Similar to `util.inherit`, but copies all static properties, prototype properties, and
* getters/setters from `Provider` to `Receiver`. See [class-utils][]{#inherit} for more details.
*
* ```js
* Base.inherit(Foo, Bar);
* ```
* @name #inherit
* @param {Function} `Receiver` Receiving (child) constructor
* @param {Function} `Provider` Providing (parent) constructor
* @return {Object} Returns the `Base` constructor for chaining
* @api public
*/
define(Base, 'inherit', cu.inherit);
define(Base, 'bubble', cu.bubble);
return Base;
}