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README.md

shallow-clone Donate NPM version NPM monthly downloads NPM total downloads Linux Build Status

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

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.

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:

$ npm install && npm test
Building docs

(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)

To generate the readme, run the following command:

$ npm install -g verbose/verb#dev verb-generate-readme && verb

You might also be interested in these projects:

Contributors

Commits Contributor
20 jonschlinkert
2 doowb
1 jakub-g

Author

Jon Schlinkert

License

Copyright © 2019, Jon Schlinkert. Released under the MIT License.


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

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