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