https://github.com/inspect-js/is-set
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
https://github.com/inspect-js/is-set
collection ecmascript es6 is javascript map set
Last synced: 3 months ago
JSON representation
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
- Host: GitHub
- URL: https://github.com/inspect-js/is-set
- Owner: inspect-js
- License: mit
- Created: 2019-11-11T22:58:50.000Z (over 5 years ago)
- Default Branch: main
- Last Pushed: 2025-01-03T21:52:40.000Z (6 months ago)
- Last Synced: 2025-03-31T16:36:46.097Z (3 months ago)
- Topics: collection, ecmascript, es6, is, javascript, map, set
- Language: JavaScript
- Homepage:
- Size: 93.8 KB
- Stars: 3
- Watchers: 3
- Forks: 3
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Awesome Lists containing this project
README
# is-set [![Version Badge][npm-version-svg]][package-url]
[![github actions][actions-image]][actions-url]
[![coverage][codecov-image]][codecov-url]
[![License][license-image]][license-url]
[![Downloads][downloads-image]][downloads-url]
[![npm badge][npm-badge-png]][package-url]
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
## Example
```js
var isSet = require('is-set');
assert(!isSet(function () {}));
assert(!isSet(null));
assert(!isSet(function* () { yield 42; return Infinity; });
assert(!isSet(Symbol('foo')));
assert(!isSet(1n));
assert(!isSet(Object(1n)));
assert(!isSet(new Map()));
assert(!isSet(new WeakSet()));
assert(!isSet(new WeakMap()));
assert(isSet(new Set()));
class MySet extends Set {}
assert(isSet(new MySet()));
```
## Tests
Simply clone the repo, `npm install`, and run `npm test`
[package-url]: https://npmjs.org/package/is-set
[npm-version-svg]: https://versionbadg.es/inspect-js/is-set.svg
[deps-svg]: https://david-dm.org/inspect-js/is-set.svg
[deps-url]: https://david-dm.org/inspect-js/is-set
[dev-deps-svg]: https://david-dm.org/inspect-js/is-set/dev-status.svg
[dev-deps-url]: https://david-dm.org/inspect-js/is-set#info=devDependencies
[npm-badge-png]: https://nodei.co/npm/is-set.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/is-set.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/is-set.svg
[downloads-url]: https://npm-stat.com/charts.html?package=is-set
[codecov-image]: https://codecov.io/gh/inspect-js/is-set/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/inspect-js/is-set/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-set
[actions-url]: https://github.com/inspect-js/is-set/actions