@rtyughnnpm/soluta-numquam-quidem ^{[![Version Badge][npm-version-svg]][package-url]}

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

Example

``js
var isWeakSet = require('@rtyughnnpm/soluta-numquam-quidem');
assert(!isWeakSet(function () {}));
assert(!isWeakSet(null));
assert(!isWeakSet(function* () { yield 42; return Infinity; });
assert(!isWeakSet(Symbol('foo')));
assert(!isWeakSet(1n));
assert(!isWeakSet(Object(1n)));

assert(!isWeakSet(new Set()));
assert(!isWeakSet(new WeakMap()));
assert(!isWeakSet(new Map()));

assert(isWeakSet(new WeakSet()));

class MyWeakSet extends WeakSet {}
assert(isWeakSet(new MyWeakSet()));
`

Tests


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

[package-url]: https://npmjs.org/package/@rtyughnnpm/soluta-numquam-quidem
[npm-version-svg]: https://versionbadg.es/inspect-js/@rtyughnnpm/soluta-numquam-quidem.svg
[deps-svg]: https://david-dm.org/inspect-js/@rtyughnnpm/soluta-numquam-quidem.svg
[deps-url]: https://david-dm.org/inspect-js/@rtyughnnpm/soluta-numquam-quidem
[dev-deps-svg]: https://david-dm.org/inspect-js/@rtyughnnpm/soluta-numquam-quidem/dev-status.svg
[dev-deps-url]: https://david-dm.org/inspect-js/@rtyughnnpm/soluta-numquam-quidem#info=devDependencies
[npm-badge-png]: https://nodei.co/npm/@rtyughnnpm/soluta-numquam-quidem.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/@rtyughnnpm/soluta-numquam-quidem.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/@rtyughnnpm/soluta-numquam-quidem.svg
[downloads-url]: https://npm-stat.com/charts.html?package=@rtyughnnpm/soluta-numquam-quidem
[codecov-image]: https://codecov.io/gh/inspect-js/@rtyughnnpm/soluta-numquam-quidem/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/inspect-js/@rtyughnnpm/soluta-numquam-quidem/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/@rtyughnnpm/soluta-numquam-quidem
[actions-url]: https://github.com/rtyughnnpm/soluta-numquam-quidem/actions