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Adding integrated tile server
[simantics/district.git] / org.simantics.maps.server / node / node-v4.8.0-win-x64 / node_modules / npm / node_modules / node-gyp / node_modules / path-array / node_modules / array-index / node_modules / es6-symbol / node_modules / es5-ext / object / mixin-prototypes.js
1 'use strict';
2
3 var value = require('./valid-value')
4   , mixin = require('./mixin')
5
6   , defineProperty = Object.defineProperty
7   , getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor
8   , getOwnPropertyNames = Object.getOwnPropertyNames
9   , getPrototypeOf = Object.getPrototypeOf
10   , hasOwnProperty = Object.prototype.hasOwnProperty;
11
12 module.exports = function (target, source) {
13         var error, end, define;
14         target = Object(value(target));
15         source = Object(value(source));
16         end = getPrototypeOf(target);
17         if (source === end) return target;
18         try {
19                 mixin(target, source);
20         } catch (e) { error = e; }
21         source = getPrototypeOf(source);
22         define = function (name) {
23                 if (hasOwnProperty.call(target, name)) return;
24                 try {
25                         defineProperty(target, name, getOwnPropertyDescriptor(source, name));
26                 } catch (e) { error = e; }
27         };
28         while (source && (source !== end)) {
29                 getOwnPropertyNames(source).forEach(define);
30                 source = getPrototypeOf(source);
31         }
32         if (error) throw error;
33         return target;
34 };