| # is-shared-array-buffer <sup>[![Version Badge][2]][1]</sup> |
| |
| [![dependency status][5]][6] |
| [![dev dependency status][7]][8] |
| [![License][license-image]][license-url] |
| [![Downloads][downloads-image]][downloads-url] |
| |
| [![npm badge][11]][1] |
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| Is this value a JS SharedArrayBuffer? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag. |
| |
| ## Example |
| |
| ```js |
| var assert = require('assert'); |
| var isSharedArrayBuffer = require('is-shared-array-buffer'); |
| |
| assert(!isSharedArrayBuffer(function () {})); |
| assert(!isSharedArrayBuffer(null)); |
| assert(!isSharedArrayBuffer(function* () { yield 42; return Infinity; }); |
| assert(!isSharedArrayBuffer(Symbol('foo'))); |
| assert(!isSharedArrayBuffer(1n)); |
| assert(!isSharedArrayBuffer(Object(1n))); |
| |
| assert(!isSharedArrayBuffer(new Set())); |
| assert(!isSharedArrayBuffer(new WeakSet())); |
| assert(!isSharedArrayBuffer(new Map())); |
| assert(!isSharedArrayBuffer(new WeakMap())); |
| assert(!isSharedArrayBuffer(new WeakRef({}))); |
| assert(!isSharedArrayBuffer(new FinalizationRegistry(() => {}))); |
| assert(!isSharedArrayBuffer(new ArrayBuffer())); |
| |
| assert(isSharedArrayBuffer(new SharedArrayBuffer())); |
| |
| class MySharedArrayBuffer extends SharedArrayBuffer {} |
| assert(isSharedArrayBuffer(new MySharedArrayBuffer())); |
| ``` |
| |
| ## Tests |
| Simply clone the repo, `npm install`, and run `npm test` |
| |
| [1]: https://npmjs.org/package/is-shared-array-buffer |
| [2]: https://versionbadg.es/inspect-js/is-shared-array-buffer.svg |
| [5]: https://david-dm.org/inspect-js/is-shared-array-buffer.svg |
| [6]: https://david-dm.org/inspect-js/is-shared-array-buffer |
| [7]: https://david-dm.org/inspect-js/is-shared-array-buffer/dev-status.svg |
| [8]: https://david-dm.org/inspect-js/is-shared-array-buffer#info=devDependencies |
| [11]: https://nodei.co/npm/is-shared-array-buffer.png?downloads=true&stars=true |
| [license-image]: https://img.shields.io/npm/l/is-shared-array-buffer.svg |
| [license-url]: LICENSE |
| [downloads-image]: https://img.shields.io/npm/dm/is-shared-array-buffer.svg |
| [downloads-url]: https://npm-stat.com/charts.html?package=is-shared-array-buffer |