sindresorhus / all-keys

Get all property keys of an object including non-enumerable and inherited ones

all-keys

Get all property keys of an object including non-enumerable and inherited ones

Like Reflect.ownKeys() but traverses up the prototype-chain.

Install

$ npm install all-keys

Usage

import allKeys from 'all-keys';

Object.getOwnPropertyNames(Symbol.prototype);
/*
[
	'constructor',
	'toString',
	'valueOf'
]
*/

allKeys(Symbol.prototype);
/*
Set {
	'constructor',
	'toString',
	'valueOf',
	'toLocaleString',
	'hasOwnProperty',
	'isPrototypeOf',
	'propertyIsEnumerable',
	'__defineGetter__',
	'__lookupGetter__',
	'__defineSetter__',
	'__lookupSetter__',
	'__proto__'
}
*/

API

allKeys(object, options?)

Returns a Set of all property names from object.

object

Type: object

options

Type: object

includeObjectPrototype

Type: boolean
Default: true

Include Object.prototype properties like isPrototypeOf.

includeSymbols

Type: boolean
Default: true

Include Symbol keys.

all-keys's Issues

Does not show Symbol keys

const allPropertyNames = require('all-property-names');
const o = {[Symbol()]: 1};
console.log(allPropertyNames(o)); // there is no Symbol key
console.log(Reflect.ownKeys(o)); // but it exists