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# get-proto <sup>[![Version Badge][npm-version-svg]][package-url]</sup> | |
[![github actions][actions-image]][actions-url] | |
[![coverage][codecov-image]][codecov-url] | |
[![License][license-image]][license-url] | |
[![Downloads][downloads-image]][downloads-url] | |
[![npm badge][npm-badge-png]][package-url] | |
Robustly get the [[Prototype]] of an object. Uses the best available method. | |
## Getting started | |
```sh | |
npm install --save get-proto | |
``` | |
## Usage/Examples | |
```js | |
const assert = require('assert'); | |
const getProto = require('get-proto'); | |
const a = { a: 1, b: 2, [Symbol.toStringTag]: 'foo' }; | |
const b = { c: 3, __proto__: a }; | |
assert.equal(getProto(b), a); | |
assert.equal(getProto(a), Object.prototype); | |
assert.equal(getProto({ __proto__: null }), null); | |
``` | |
## Tests | |
Clone the repo, `npm install`, and run `npm test` | |
[package-url]: https://npmjs.org/package/get-proto | |
[npm-version-svg]: https://versionbadg.es/ljharb/get-proto.svg | |
[deps-svg]: https://david-dm.org/ljharb/get-proto.svg | |
[deps-url]: https://david-dm.org/ljharb/get-proto | |
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[dev-deps-url]: https://david-dm.org/ljharb/get-proto#info=devDependencies | |
[npm-badge-png]: https://nodei.co/npm/get-proto.png?downloads=true&stars=true | |
[license-image]: https://img.shields.io/npm/l/get-proto.svg | |
[license-url]: LICENSE | |
[downloads-image]: https://img.shields.io/npm/dm/get-proto.svg | |
[downloads-url]: https://npm-stat.com/charts.html?package=get-proto | |
[codecov-image]: https://codecov.io/gh/ljharb/get-proto/branch/main/graphs/badge.svg | |
[codecov-url]: https://app.codecov.io/gh/ljharb/get-proto/ | |
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[actions-url]: https://github.com/ljharb/get-proto/actions | |