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@stackline/is-plain-obj 1.0.3 — installation and API

Check if a value is a plain object

Install @stackline/is-plain-obj

npm install @stackline/[email protected]

Package version: 1.0.3. Metadata verified: 2026-11-12. This is separate from the framework version and demonstration runtime.

Node.js requirement
{"node": ">=12"}
Accepted peer dependencies (declared ranges)
{}

Tested environments are described in the versioned README and linked source checks. A declared peer range is not evidence that every version in it was tested.

Versioned reference

This reference comes from the published @stackline/[email protected] README. Its upstream attribution and license remain with the source. Benchmark and security statements describe the cited tests and advisories, not a guarantee for every application.

@stackline/is-plain-obj

Check if a value is a plain object.

Documentation | npm | Issues | Repository

Current package version: 1.0.3

Why this package?

@stackline/is-plain-obj is the Stackline-maintained distribution of [email protected]. It is an independent continuation of is-plain-obj; original authors and licenses remain credited below.

Compatibility

Item Value
Package @stackline/[email protected]
API target [email protected]
Supported Node.js >=12
License MIT
Module type module
Types ./index.d.ts
Runtime dependencies none

Installation

npm install @stackline/is-plain-obj

Preserve existing imports and plugin resolution with an npm alias:

npm install is-plain-obj@npm:@stackline/is-plain-obj

Usage and API reference

is-plain-obj

Check if a value is a plain object

An object is plain if it's created by either {}, new Object(), or Object.create(null).

Install

$ npm install @stackline/is-plain-obj

Usage

import isPlainObject from '@stackline/is-plain-obj';
import {runInNewContext} from 'node:vm';

isPlainObject({foo: 'bar'});
//=> true

isPlainObject(new Object());
//=> true

isPlainObject(Object.create(null));
//=> true

// This works across realms
isPlainObject(runInNewContext('({})'));
//=> true

isPlainObject([1, 2, 3]);
//=> false

class Unicorn {}
isPlainObject(new Unicorn());
//=> false

isPlainObject(Math);
//=> false
  • is-obj - Check if a value is an object
  • is - Type check values
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Credits and original authors

Original copyright, license notices and contributor acknowledgements remain part of this distribution. Stackline maintenance does not replace authorship of the original work.

License

MIT. See the license and notice files in the repository.

Use this repository's issue tracker for reproducible bugs and feature requests. Join r/Stackline for examples, usage questions and release discussions.