get-proto

Robustly get the [[Prototype]] of an object. Uses the best available method.

Getting started

npm install --save get-proto

Usage/Examples

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

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

v1.0.1 - 2025-01-02

Commits

• [Fix] for the Object.getPrototypeOf window, throw for non-objects 7fe6508

v1.0.0 - 2025-01-01

Commits

• Initial implementation, tests, readme, types 5c70775
• Initial commit 7c65c2a
• npm init 0b8cf82
• Only apps should have lockfiles a6d1bff