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shallow-clone

Creates a shallow clone of any JavaScript value.

Please consider following this project's author, Jon Schlinkert, and consider starring the project to show your :heart: and support.

Install

Install with npm:

$ npm install --save shallow-clone

Usage

const clone = require('shallow-clone');

Supports

array buffers
arrays
buffers
dates
errors
float32 arrays
float64 arrays
int16 arrays
int32 arrays
int8 arrays
maps
objects
primitives
regular expressions
sets
symbols
uint16 arrays
uint32 arrays
uint8 arrays
uint8clamped arrays

Arrays

By default, only the array itself is cloned (shallow), use clone-deep if you also need the elements in the array to be cloned.

const arr = [{ a: 0 }, { b: 1 }];
const foo = clone(arr);
// foo =>  [{ 'a': 0 }, { 'b': 1 }]

// array is cloned
assert(actual === expected); // false

// array elements are not
assert.deepEqual(actual[0], expected[0]); // true

Objects

Only the object is shallow cloned, use clone-deep if you also need the values in the object to be cloned.

console.log(clone({ a: 1, b: 2, c: 3 }));
//=> {a: 1, b: 2, c: 3 }

RegExp

Clones regular expressions and flags, and preserves the .lastIndex.

const regex = clone(/foo/g); //=> /foo/g
// you can manually reset lastIndex if necessary
regex.lastIndex = 0;

Primitives

Simply returns primitives unchanged.

clone(0); //=> 0
clone('foo'); //=> 'foo'

About

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).

Running Tests

Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command: ```sh $ npm install && npm test ```

Building docs

_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_ To generate the readme, run the following command: ```sh $ npm install -g verbose/verb#dev verb-generate-readme && verb ```

Related projects

You might also be interested in these projects:

assign-deep: Deeply assign the values of all enumerable-own-properties and symbols from one or more source objects… more | homepage
clone-deep: Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives. | homepage clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.")
is-plain-object: Returns true if an object was created by the Object constructor. | homepage
kind-of: Get the native type of a value. | homepage

Contributors

| Commits | Contributor |
| --- | --- |
| 20 | jonschlinkert |
| 2 | doowb |
| 1 | jakub-g |

Author

Jon Schlinkert

License

This file was generated by verb-generate-readme, v0.8.0, on April 15, 2019.

README.md