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is-boolean-object

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    is-boolean-object

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


Version published
Weekly downloads
29M
decreased by-0.77%
Maintainers
1
Install size
130 kB
Created
Weekly downloads
 

Changelog

Source

v1.1.2 - 2021-08-05

Commits

  • [Refactor] use has-tostringtag to behave correctly in the presence of symbol shams 6d319ea
  • [Dev Deps] update auto-changelog, core-js, eslint, tape 4f85bef

Readme

Source

is-boolean-object Version Badge

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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

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Last updated on 05 Aug 2021

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