1  # get-proto <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
 2  
 3  [![github actions][actions-image]][actions-url]
 4  [![coverage][codecov-image]][codecov-url]
 5  [![License][license-image]][license-url]
 6  [![Downloads][downloads-image]][downloads-url]
 7  
 8  [![npm badge][npm-badge-png]][package-url]
 9  
10  Robustly get the [[Prototype]] of an object. Uses the best available method.
11  
12  ## Getting started
13  
14  ```sh
15  npm install --save get-proto
16  ```
17  
18  ## Usage/Examples
19  
20  ```js
21  const assert = require('assert');
22  const getProto = require('get-proto');
23  
24  const a = { a: 1, b: 2, [Symbol.toStringTag]: 'foo' };
25  const b = { c: 3, __proto__: a };
26  
27  assert.equal(getProto(b), a);
28  assert.equal(getProto(a), Object.prototype);
29  assert.equal(getProto({ __proto__: null }), null);
30  ```
31  
32  ## Tests
33  
34  Clone the repo, `npm install`, and run `npm test`
35  
36  [package-url]: https://npmjs.org/package/get-proto
37  [npm-version-svg]: https://versionbadg.es/ljharb/get-proto.svg
38  [deps-svg]: https://david-dm.org/ljharb/get-proto.svg
39  [deps-url]: https://david-dm.org/ljharb/get-proto
40  [dev-deps-svg]: https://david-dm.org/ljharb/get-proto/dev-status.svg
41  [dev-deps-url]: https://david-dm.org/ljharb/get-proto#info=devDependencies
42  [npm-badge-png]: https://nodei.co/npm/get-proto.png?downloads=true&stars=true
43  [license-image]: https://img.shields.io/npm/l/get-proto.svg
44  [license-url]: LICENSE
45  [downloads-image]: https://img.shields.io/npm/dm/get-proto.svg
46  [downloads-url]: https://npm-stat.com/charts.html?package=get-proto
47  [codecov-image]: https://codecov.io/gh/ljharb/get-proto/branch/main/graphs/badge.svg
48  [codecov-url]: https://app.codecov.io/gh/ljharb/get-proto/
49  [actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/get-proto
50  [actions-url]: https://github.com/ljharb/get-proto/actions