is-data-view (1.0.2)
Published 2026-02-24 13:58:21 +00:00 by atheaadmin
Installation
registry=npm install is-data-view@1.0.2"is-data-view": "1.0.2"About this package
is-data-view 
Is this value a JS DataView? This module works cross-realm/iframe, does not depend on instanceof or mutable properties, and despite ES6 Symbol.toStringTag.
Example
var isDataView = require('is-data-view');
var assert = require('assert');
assert.equal(false, isDataView(undefined));
assert.equal(false, isDataView(null));
assert.equal(false, isDataView(false));
assert.equal(false, isDataView(true));
assert.equal(false, isDataView([]));
assert.equal(false, isDataView({}));
assert.equal(false, isDataView(/a/g));
assert.equal(false, isDataView(new RegExp('a', 'g')));
assert.equal(false, isDataView(new Date()));
assert.equal(false, isDataView(42));
assert.equal(false, isDataView(NaN));
assert.equal(false, isDataView(Infinity));
assert.equal(false, isDataView(new Number(42)));
assert.equal(false, isDataView('foo'));
assert.equal(false, isDataView(Object('foo')));
assert.equal(false, isDataView(function () {}));
assert.equal(false, isDataView(function* () {}));
assert.equal(false, isDataView(x => x * x));
assert.equal(false, isDataView([]));
assert.equal(false, isDataView(new Int8Array()));
assert.equal(false, isDataView(new Uint8Array()));
assert.equal(false, isDataView(new Uint8ClampedArray()));
assert.equal(false, isDataView(new Int16Array()));
assert.equal(false, isDataView(new Uint16Array()));
assert.equal(false, isDataView(new Int32Array()));
assert.equal(false, isDataView(new Uint32Array()));
assert.equal(false, isDataView(new Float32Array()));
assert.equal(false, isDataView(new Float64Array()));
assert.equal(false, isDataView(new BigInt64Array()));
assert.equal(false, isDataView(new BigUint64Array()));
assert.ok(isDataView(new DataView(new ArrayBuffer(0))));
Tests
Simply clone the repo, npm install, and run npm test
Dependencies
Dependencies
| ID | Version |
|---|---|
| call-bound | ^1.0.2 |
| get-intrinsic | ^1.2.6 |
| is-typed-array | ^1.1.13 |
Development Dependencies
| ID | Version |
|---|---|
| @ljharb/eslint-config | ^21.1.1 |
| @ljharb/tsconfig | ^0.2.2 |
| @types/call-bind | ^1.0.5 |
| @types/es-value-fixtures | ^1.4.4 |
| @types/for-each | ^0.3.3 |
| @types/make-arrow-function | ^1.2.2 |
| @types/make-generator-function | ^2.0.3 |
| @types/node | ^20.17.10 |
| @types/object-inspect | ^1.13.0 |
| @types/tape | ^5.6.5 |
| 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 |
| evalmd | ^0.0.19 |
| for-each | ^0.3.3 |
| has-tostringtag | ^1.0.2 |
| in-publish | ^2.0.1 |
| make-arrow-function | ^1.2.0 |
| make-generator-function | ^2.0.0 |
| 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
dataview
data
view
typedarray
typedarrays
