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is-shared-array-buffer (1.0.4)

Published 2026-02-24 13:58:39 +00:00 by atheaadmin

Installation

Setup this registry in your project .npmrc file:

registry=

To install the package using npm, run the following command:

npm install is-shared-array-buffer@1.0.4

or add it to the package.json file:

"is-shared-array-buffer": "1.0.4"

For more information on the npm registry, see the documentation.

About this package

is-shared-array-buffer

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

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

Dependencies

Dependencies

ID	Version
call-bound	^1.0.3

Development Dependencies

ID	Version
@arethetypeswrong/cli	^0.17.1
@ljharb/eslint-config	^21.1.1
@ljharb/tsconfig	^0.2.2
@types/es-value-fixtures	^1.4.4
@types/for-each	^0.3.3
@types/node	^20.17.10
@types/object-inspect	^1.13.0
@types/tape	^5.7.0
auto-changelog	^2.5.0
available-typed-arrays	^1.0.7
encoding	^0.1.13
es-value-fixtures	^1.5.0
eslint	=8.8.0
for-each	^0.3.3
in-publish	^2.0.1
npmignore	^0.3.1
nyc	^10.3.2
object-inspect	^1.13.3
safe-publish-latest	^2.0.0
tape	^5.9.0
typescript	next

Keywords

javascript ecmascript is sharedarraybuffer shared array buffer

Details

npm

2026-02-24 13:58:39 +00:00

1

Jordan Harband

Project Site

MIT

latest

6.2 KiB

Assets (1)

is-shared-array-buffer-1.0.4.tgz 6.2 KiB

Versions (1) View all

1.0.4 2026-02-24