Files
Tim van der Lippe 2c89197d0d Update ESLint-related packages
R=jacktfranklin@chromium.org

No-Presubmit: True
Bug: none
Change-Id: I52dc24b12e350787085c5e3d131cface7ea87142
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3060705
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Paul Lewis <aerotwist@chromium.org>
2021-07-30 11:02:26 +00:00

2.2 KiB

is-boolean-object Version Badge

github actions coverage dependency status dev dependency status License Downloads

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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