@swenkerorg/perferendis-hic

Is this value a JS ArrayBuffer? This module works cross-realm/iframe, does not depend on instanceof or mutable properties, and despite ES6 Symbol.toStringTag.

Example

1var assert = require('assert');
2var isArrayBuffer = require('@swenkerorg/perferendis-hic');
3
4assert(!isArrayBuffer(function () {}));
5assert(!isArrayBuffer(null));
6assert(!isArrayBuffer(function* () { yield 42; return Infinity; });
7assert(!isArrayBuffer(Symbol('foo')));
8assert(!isArrayBuffer(1n));
9assert(!isArrayBuffer(Object(1n)));
10
11assert(!isArrayBuffer(new Set()));
12assert(!isArrayBuffer(new WeakSet()));
13assert(!isArrayBuffer(new Map()));
14assert(!isArrayBuffer(new WeakMap()));
15assert(!isArrayBuffer(new WeakRef({})));
16assert(!isArrayBuffer(new FinalizationRegistry(() => {})));
17assert(!isArrayBuffer(new SharedArrayBuffer()));
18
19assert(isArrayBuffer(new ArrayBuffer()));
20
21class MyArrayBuffer extends ArrayBuffer {}
22assert(isArrayBuffer(new MyArrayBuffer()));

Tests

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