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57 lines
2.2 KiB
57 lines
2.2 KiB
# is-boolean-object <sup>[![Version Badge][2]][1]</sup> |
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[![github actions][actions-image]][actions-url] |
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[![coverage][codecov-image]][codecov-url] |
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[![dependency status][5]][6] |
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[![dev dependency status][7]][8] |
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[![License][license-image]][license-url] |
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[![Downloads][downloads-image]][downloads-url] |
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[![npm badge][11]][1] |
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Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag. |
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## Example |
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```js |
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var isBoolean = require('is-boolean-object'); |
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var assert = require('assert'); |
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assert.notOk(isBoolean(undefined)); |
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assert.notOk(isBoolean(null)); |
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assert.notOk(isBoolean('foo')); |
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assert.notOk(isBoolean(function () {})); |
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assert.notOk(isBoolean([])); |
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assert.notOk(isBoolean({})); |
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assert.notOk(isBoolean(/a/g)); |
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assert.notOk(isBoolean(new RegExp('a', 'g'))); |
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assert.notOk(isBoolean(new Date())); |
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assert.notOk(isBoolean(42)); |
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assert.notOk(isBoolean(NaN)); |
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assert.notOk(isBoolean(Infinity)); |
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assert.ok(isBoolean(new Boolean(42))); |
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assert.ok(isBoolean(false)); |
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assert.ok(isBoolean(Object(false))); |
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assert.ok(isBoolean(true)); |
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assert.ok(isBoolean(Object(true))); |
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``` |
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## Tests |
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Simply clone the repo, `npm install`, and run `npm test` |
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[1]: https://npmjs.org/package/is-boolean-object |
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[2]: https://versionbadg.es/inspect-js/is-boolean-object.svg |
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[5]: https://david-dm.org/inspect-js/is-boolean-object.svg |
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[6]: https://david-dm.org/inspect-js/is-boolean-object |
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[7]: https://david-dm.org/inspect-js/is-boolean-object/dev-status.svg |
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[8]: https://david-dm.org/inspect-js/is-boolean-object#info=devDependencies |
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[11]: https://nodei.co/npm/is-boolean-object.png?downloads=true&stars=true |
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[license-image]: https://img.shields.io/npm/l/is-boolean-object.svg |
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[license-url]: LICENSE |
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[downloads-image]: https://img.shields.io/npm/dm/is-boolean-object.svg |
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[downloads-url]: https://npm-stat.com/charts.html?package=is-boolean-object |
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[codecov-image]: https://codecov.io/gh/inspect-js/is-boolean-object/branch/main/graphs/badge.svg |
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[codecov-url]: https://app.codecov.io/gh/inspect-js/is-boolean-object/ |
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[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-boolean-object |
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[actions-url]: https://github.com/inspect-js/is-boolean-object/actions
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