You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

1.8 KiB

get-proto Version Badge

github actions coverage License Downloads

npm badge

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