all files / lib/offshore/utils/ extend.js

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
 
 
 
 
 
 
2×
 
2×
741×
741×
 
741×
 
 
5155×
 
 
741×
 
741×
741×
741×
 
741×
 
741×
 
741×
 
 
/**
 * Extend Method
 *
 * Taken from Backbone Source:
 * http://backbonejs.org/docs/backbone.html#section-189
 */
 
var _ = require('lodash');
 
module.exports = function(protoProps, staticProps) {
  var parent = this;
  var child;
 
  Iif (protoProps && _.has(protoProps, 'constructor')) {
    child = protoProps.constructor;
  } else {
    child = function() { return parent.apply(this, arguments); };
  }
 
  _.extend(child, parent, staticProps);
 
  var Surrogate = function() { this.constructor = child; };
  Surrogate.prototype = parent.prototype;
  child.prototype = new Surrogate();
 
  Eif (protoProps) _.extend(child.prototype, protoProps);
 
  child.__super__ = parent.prototype;
 
  return child;
};