Nodejs Class Extend __extends(parent)

Method Source Code

Function.prototype.__extends = function(parent) {
    this.prototype = Object.create(parent.prototype);
};

Related

1. subclass(base)

   Function.prototype.subclass = function(base) {
     var c = Function.prototype.subclass.nonconstructor;
     c.prototype = base.prototype;
     this.prototype = new c();
   };
   Function.prototype.subclass.nonconstructor = function() {};
   Object.size = function(obj) {
     var size = 0, key;
     for (key in obj) {
   ...
   

2. inherits(BaseClass)

   Function.prototype.inherits = function (BaseClass) {
     function Surrogate () {}
     Surrogate.prototype = BaseClass.prototype;
     this.prototype = new Surrogate();
     this.prototype.constructor = this;
   };
   String.prototype.capitalize = function() {
       return this.charAt(0).toUpperCase() + this.slice(1);
   };
   ...
   

3. inheritsFrom(parent)

   Function.prototype.inheritsFrom = function(parent){ 
     this.prototype = new parent();
     this.prototype.constructor = this;
     this.prototype.parent = parent.prototype;
     return this;
   };
   

4. Inherits(parent)

   Function.prototype.Inherits = function(parent) {
     this.prototype = new parent();
     this.prototype.constructor = this;
     this.prototype.parent = parent.prototype;
   };
   

5. inherit(ParentClass)

   Function.prototype.inherit = function(ParentClass) {
     this.prototype = Object.create(ParentClass.prototype);
     this.prototype.constructor = this;
     this.prototype.parent = ParentClass.prototype;
   

6. __extends(superClass)

   Function.prototype.__extends = function(superClass) { 
       this.prototype = Object.create(superClass.prototype);
   }; 
   Object._entries = function(obj) {
       var entry = [];
       for (key in obj)
           entry[entry.length] = [key, obj[key]];
       return entry;
   };
   ...
   

7. Inherits(parent)

   Object.prototype.Inherits = function(parent) {
     if(arguments.length > 1) {
       parent.apply(this, Array.prototype.slice.call(arguments, 1) );
     } else {      
       parent.call(this);
   };
   

8. extend()

   Object.prototype.extend = function(){
      var Obj = function(){};
      Obj.prototype = this;
      return new Obj();
   

9. extend(destination, source)

   Object.extend = function(destination, source) {
     for (var property in source) {
       if (source.hasOwnProperty(property)) {
         destination[property] = source[property];
     return destination;
   };