|
1
|
# assign-symbols [](http://badge.fury.io/js/assign-symbols)
|
|
2
|
|
|
3
|
> Assign the enumerable es6 Symbol properties from an object (or objects) to the first object passed on the arguments. Can be used as a supplement to other extend, assign or merge methods as a polyfill for the Symbols part of the es6 Object.assign method.
|
|
4
|
|
|
5
|
From the [Mozilla Developer docs for Symbol](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol):
|
|
6
|
|
|
7
|
> A symbol is a unique and immutable data type and may be used as an identifier for object properties. The symbol object is an implicit object wrapper for the symbol primitive data type.
|
|
8
|
|
|
9
|
## Install
|
|
10
|
|
|
11
|
Install with [npm](https://www.npmjs.com/)
|
|
12
|
|
|
13
|
```sh
|
|
14
|
$ npm i assign-symbols --save
|
|
15
|
```
|
|
16
|
|
|
17
|
## Usage
|
|
18
|
|
|
19
|
```js
|
|
20
|
var assignSymbols = require('assign-symbols');
|
|
21
|
var obj = {};
|
|
22
|
|
|
23
|
var one = {};
|
|
24
|
var symbolOne = Symbol('aaa');
|
|
25
|
one[symbolOne] = 'bbb';
|
|
26
|
|
|
27
|
var two = {};
|
|
28
|
var symbolTwo = Symbol('ccc');
|
|
29
|
two[symbolTwo] = 'ddd';
|
|
30
|
|
|
31
|
assignSymbols(obj, one, two);
|
|
32
|
|
|
33
|
console.log(obj[symbolOne]);
|
|
34
|
//=> 'bbb'
|
|
35
|
console.log(obj[symbolTwo]);
|
|
36
|
//=> 'ddd'
|
|
37
|
```
|
|
38
|
|
|
39
|
## Similar projects
|
|
40
|
|
|
41
|
* [assign-deep](https://www.npmjs.com/package/assign-deep): Deeply assign the enumerable properties of source objects to a destination object. | [homepage](https://github.com/jonschlinkert/assign-deep)
|
|
42
|
* [clone-deep](https://www.npmjs.com/package/clone-deep): Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives. | [homepage](https://github.com/jonschlinkert/clone-deep)
|
|
43
|
* [extend-shallow](https://www.npmjs.com/package/extend-shallow): Extend an object with the properties of additional objects. node.js/javascript util. | [homepage](https://github.com/jonschlinkert/extend-shallow)
|
|
44
|
* [merge-deep](https://www.npmjs.com/package/merge-deep): Recursively merge values in a javascript object. | [homepage](https://github.com/jonschlinkert/merge-deep)
|
|
45
|
* [mixin-deep](https://www.npmjs.com/package/mixin-deep): Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. | [homepage](https://github.com/jonschlinkert/mixin-deep)
|
|
46
|
|
|
47
|
## Running tests
|
|
48
|
|
|
49
|
Install dev dependencies:
|
|
50
|
|
|
51
|
```sh
|
|
52
|
$ npm i -d && npm test
|
|
53
|
```
|
|
54
|
|
|
55
|
## Contributing
|
|
56
|
|
|
57
|
Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/assign-symbols/issues/new).
|
|
58
|
|
|
59
|
## Author
|
|
60
|
|
|
61
|
**Jon Schlinkert**
|
|
62
|
|
|
63
|
+ [github/jonschlinkert](https://github.com/jonschlinkert)
|
|
64
|
+ [twitter/jonschlinkert](http://twitter.com/jonschlinkert)
|
|
65
|
|
|
66
|
## License
|
|
67
|
|
|
68
|
Copyright © 2015 Jon Schlinkert
|
|
69
|
Released under the MIT license.
|
|
70
|
|
|
71
|
***
|
|
72
|
|
|
73
|
_This file was generated by [verb-cli](https://github.com/assemble/verb-cli) on November 06, 2015._
|