Nodejs Class Inherit inheritsFrom( parentClassOrObject )

Method Source Code

Function.prototype.inheritsFrom = function( parentClassOrObject ){ 
   //console.log(this.prototype);
   this.prototype.addPrototype( parentClassOrObject );
   if ( parentClassOrObject.constructor == Function ) 
   { //from   w  ww  . j av a 2s.  c om
      //Normal Inheritance 
      this.prototype.addPrototype( new parentClassOrObject );
      this.prototype.constructor = this;
      this.prototype.__parent__ = parentClassOrObject.prototype;
   } 
   else 
   { 
      //Pure Virtual Inheritance 
      this.prototype.addPrototype( parentClassOrObject );
      this.prototype.constructor = this;
      this.prototype.__parent__ = parentClassOrObject;
   } 
   return this;
} 

function isInt(x) {
   var y=parseInt(x);
   if (isNaN(y)) return false;
   return x==y && x.toString()==y.toString();
}

String.prototype.title = function(){
   return this.replace(/^\w/, function($0) { return $0.toUpperCase()})
}

Related

1. inheritsinherits(parent)

   Object.prototype.inherits = function inherits(parent) {
       if (typeof Object.create !== 'function') {
           Object.create = function (o) {
               function F() {}
               F.prototype = o;
               return new F();
           };
       this.prototype = Object.create(parent.prototype);
   ...
   

2. deepExtend(destination, source)

   Object.deepExtend = function (destination, source) {
       for (var property in source) {
           if (source[property] && source[property].constructor &&
            source[property].constructor === Object) {
               destination[property] = destination[property] || {};
               arguments.callee(destination[property], source[property]);
           } else {
               destination[property] = source[property];
       return destination;
   };