<!DOCTYPE>
<html>
<head></head>
<body>
<script type="text/javascript">
void function(){
//oo
var superTest = /\b_super\b/;
Function.prototype.derive = function(constructor, proto){
if(typeof constructor === 'object'){
proto = constructor;
constructor = proto.constructor || function(){};
delete proto.constructor;
}
var parent = this;
var fn = function(){
parent.apply(this, arguments);
constructor.apply(this, arguments);
};
var tmp = function(){};
var addSuper = function(name, fn, parent) {
return function() {
var temp = this._super;
this._super = parent[name];
var ret = fn.apply(this, arguments);
this._super = temp;
return ret;
}
}
tmp.prototype = parent.prototype;
var fp = new tmp(),
cp = constructor.prototype,
pp = parent.prototype,
key;
for(key in cp){
if(cp.hasOwnProperty(key)){
fp[key] =
(typeof cp[key] === 'function' && typeof pp[name] === 'function' && superTest.test(cp[key])) ? addSuper(key, cp[key],pp) :
cp[key];
}
}
proto = proto || {};
for(key in proto){
if(proto.hasOwnProperty(key)){
fp[key] =
(typeof proto[key] === 'function' && (typeof cp[key] === 'function' || typeof pp[key] === 'function') && superTest.test(proto[key])) ? addSuper(key, proto[key], typeof cp[key] === 'function' ? cp : pp) :
proto[key];
}
}
fp.constructor = constructor.prototype.constructor;
fn.prototype = fp;
return fn;
};
}();
</script>
<script>
//EXAMPLE
var ClassParent = Object.derive(function(){
console.log('hi,classParent init');
}, {
run: function(param){
console.log('hi classParent run:',param);
}
});
var Class = ClassParent.derive(function(){
console.log('hi,class init');
},{
run: function(param){
this._super(param);
console.log('hi class run:',param);
},
say: function(param){
console.log('hi class say:',param);
}
});
var ChildClass = Class.derive(function(){
console.log('hi,classChild init');
}, {
run: function(param){
this._super(param);
console.log('hi childClass run:',param);
},
say: function(param){
this._super(param);
console.log('hi childClass say:',param);
},
eat: function(param){
console.log('hi childClass eat:',param);
}
})
var child = new ChildClass;
child.run('runParam');
child.say('sayParam');
child.eat('eatParam');
console.log('---------------------------------');
var OtherClass= Object.derive(function(){
console.log('hi,otherClass init');
}, {
listen: function(param){
console.log('hi otherClass listen:',param);
}
});
var OtherChildClass = OtherClass.derive(ChildClass, {
run: function(param){
this._super(param);
console.log('hi OtherChildClass run:',param);
},
say: function(param){
this._super(param);
console.log('hi OtherChildClass say:',param);
},
eat: function(param){
this._super(param);
console.log('hi OtherChildClass eat:',param);
},
listen: function(param){
this._super(param);
console.log('hi OtherChildClass listen:',param);
}
});
var otherchild = new OtherChildClass
otherchild.run('runParam');
otherchild.say('sayParam');
otherchild.eat('eatParam');
otherchild.listen('listenParam');
</script>
</body>
</html>
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