Inheritance in Node.Js + Expressjs

Question

I am trying to achieve something like following in Node.js and Express.js, not able to find good examples of active this. Help appreciated.

base.js
--------
module.exports = {
  baseFunction: function(){
    .....
  }
}

child.js
--------
module.exports = {
  require('base'),

  ***** Some Magical Code ****** 

  childFunction: function(){
    ..... 
  }
}



CallProgram.js
--------------
var child = require('child');
child.baseFunction();

What are you really trying to achieve? Incase you are not aware of module system of node refer itsallabtamil.blogspot.in/2012/01/… — Tamil
– Tamil, Commented Aug 30, 2012 at 12:31
I have few generic methods which i do not wish to repeat in 25 child modules. I was looking for something like require('base'); in child programs which will enable access to base methods without having to duplicating the code. I might override the code some child classes if required. Hope this makes sense. — Me Unagi
– Me Unagi, Commented Aug 30, 2012 at 13:12
Whatever you are trying to do is correct but the way you are doing is wrong :) — Tamil
– Tamil, Commented Aug 30, 2012 at 14:37

juandopazo · Accepted Answer · 2012-08-30 13:29:31Z

2

How about this?

function extend(a, b) {
  var result = Object.create(a);
  for (var prop in b) {
    if (b.hasOwnProperty(prop)) {
      result[prop] = b[prop];
    }
  }
  return result;
}

module.exports = extend(require('base'), {
  ***** Some Magical Code ****** 

  childFunction: function(){
    ..... 
  }
});

The extend function will create a new object with a as its prototype and will copy all properties of b onto it.

answered Aug 30, 2012 at 13:29

juandopazo

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Burawi · Accepted Answer · 2018-01-16 20:55:40Z

0

You can check ZinkyJS, It offers a very clean way to make routing inheritance

answered Jan 16, 2018 at 20:55

Burawi

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