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is-boolean-object (1.2.2)

Published 2026-02-24 13:58:19 +00:00 by atheaadmin

Installation

Setup this registry in your project .npmrc file:

registry=

To install the package using npm, run the following command:

npm install is-boolean-object@1.2.2

or add it to the package.json file:

"is-boolean-object": "1.2.2"

For more information on the npm registry, see the documentation.

About this package

is-boolean-object

Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Example

var isBoolean = require('is-boolean-object');
var assert = require('assert');

assert.notOk(isBoolean(undefined));
assert.notOk(isBoolean(null));
assert.notOk(isBoolean('foo'));
assert.notOk(isBoolean(function () {}));
assert.notOk(isBoolean([]));
assert.notOk(isBoolean({}));
assert.notOk(isBoolean(/a/g));
assert.notOk(isBoolean(new RegExp('a', 'g')));
assert.notOk(isBoolean(new Date()));
assert.notOk(isBoolean(42));
assert.notOk(isBoolean(NaN));
assert.notOk(isBoolean(Infinity));

assert.ok(isBoolean(new Boolean(42)));
assert.ok(isBoolean(false));
assert.ok(isBoolean(Object(false)));
assert.ok(isBoolean(true));
assert.ok(isBoolean(Object(true)));

Tests

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

Dependencies

Dependencies

ID	Version
call-bound	^1.0.3
has-tostringtag	^1.0.2

Development Dependencies

ID	Version
@arethetypeswrong/cli	^0.17.3
@ljharb/eslint-config	^21.1.1
@ljharb/tsconfig	^0.2.3
@types/core-js	^2.5.8
@types/object-inspect	^1.13.0
@types/tape	^5.8.1
auto-changelog	^2.5.0
core-js	^3.40.0
eclint	^2.8.1
encoding	^0.1.13
eslint	=8.8.0
in-publish	^2.0.1
npmignore	^0.3.1
nyc	^10.3.2
object-inspect	^1.13.4
safe-publish-latest	^2.0.0
tape	^5.9.0
typescript	next

Keywords

Boolean ES6 toStringTag @@toStringTag Boolean object true false is-boolean

Details

npm

2026-02-24 13:58:19 +00:00

1

Jordan Harband

Project Site

MIT

latest

8.9 KiB

Assets (1)

is-boolean-object-1.2.2.tgz 8.9 KiB

Versions (1) View all

1.2.2 2026-02-24