# get-proto

> Robustly get the [[Prototype]] of an object

Latest version **1.0.1** (published 2025-01-02) · MIT license · 0 weekly downloads

## Install

```sh
npm install get-proto
pnpm add get-proto
yarn add get-proto
bun add get-proto
```

## Health

**Score 50/100 (C)** — status: stable.

Positive: has types; esm support; no vulnerabilities; high quality score.

Warnings: low downloads.

Negative: stale.

## Facts

| | |
|---|---|
| Version | 1.0.1 |
| Published | 2025-01-02 |
| First published | 2025-01-02 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Node | >= 0.4 |
| Dependencies | 2 |
| Unpacked size | 10.6 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 3 |
| Author | Jordan Harband |
| Maintainers | ljharb |
| Keywords | get, proto, prototype, getPrototypeOf, [[Prototype]] |

## Links

- npm: https://www.npmjs.com/package/get-proto
- Repository: https://github.com/ljharb/get-proto
- Homepage: https://github.com/ljharb/get-proto#readme
- Issues: https://github.com/ljharb/get-proto/issues
- npm.io page: https://npm.io/package/get-proto

## Dependencies (2)

- [dunder-proto](https://npm.io/package/dunder-proto.md) ^1.0.1
- [es-object-atoms](https://npm.io/package/es-object-atoms.md) ^1.0.0

## Recent versions

- 1.0.1 (latest) — 2025-01-02
- 1.0.0 — 2025-01-02

## README

# 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
[dev-deps-svg]: https://david-dm.org/ljharb/get-proto/dev-status.svg
[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/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/get-proto
[actions-url]: https://github.com/ljharb/get-proto/actions

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_Source: https://npm.io/package/get-proto · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._