https://github.com/inspect-js/is-boxed-primitive

Polyfill/shim for node's `util.types.isBoxedPrimitive()`
https://github.com/inspect-js/is-boxed-primitive

boxed is javascript primitive

Last synced: about 2 months ago
JSON representation

Polyfill/shim for node's `util.types.isBoxedPrimitive()`

• Host: GitHub
• URL: https://github.com/inspect-js/is-boxed-primitive
• Owner: inspect-js
• License: mit
• Created: 2018-09-20T23:17:46.000Z (over 6 years ago)
• Default Branch: main
• Last Pushed: 2022-11-01T22:00:12.000Z (about 2 years ago)
• Last Synced: 2024-10-04T08:08:17.369Z (3 months ago)
• Topics: boxed, is, javascript, primitive
• Language: JavaScript
• Homepage:
• Size: 58.6 KB
• Stars: 7
• Watchers: 5
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE

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README

        
# is-boxed-primitive [![Version Badge][npm-version-svg]][package-url]

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Polyfill/shim for node's `util.isBoxedPrimitive()`

## Example

```js

var isBoxedPrimitive = require('is-boxed-primitive');

var assert = require('assert');

[

	undefined,

	null,

	true,

	false,

	0,

	NaN,

	Infinity,

	0n,

	'',

	'foo',

	Symbol(),

	Symbol.iterator,

].forEach((v) => {

	assert(!isBoxedPrimitive(v)); // primitive form is not boxed

	if (v != null) {

		assert(isBoxedPrimitive(Object(v))); // object form is boxed

	}

});

```

## Tests

Simply clone the repo, `npm install`, and run `npm test`

[package-url]: https://npmjs.org/package/is-boxed-primitive

[npm-version-svg]: https://versionbadg.es/inspect-js/is-boxed-primitive.svg

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[dev-deps-url]: https://david-dm.org/inspect-js/is-boxed-primitive#info=devDependencies

[npm-badge-png]: https://nodei.co/npm/is-boxed-primitive.png?downloads=true&stars=true

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[license-url]: LICENSE

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