{"maintainers":[{"name":"ljharb","email":"ljharb@gmail.com"}],"keywords":["javascript","ecmascript","dataview","data","view","typedarray","typedarrays"],"dist-tags":{"latest":"1.0.2"},"author":{"name":"Jordan Harband","email":"ljharb@gmail.com"},"_rev":"10","description":"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.","readme":"# is-data-view <sup>[![Version Badge][npm-version-svg]][package-url]</sup>\n\n[![github actions][actions-image]][actions-url]\n[![coverage][codecov-image]][codecov-url]\n[![License][license-image]][license-url]\n[![Downloads][downloads-image]][downloads-url]\n\n[![npm badge][npm-badge-png]][package-url]\n\nIs this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.\n\n## Example\n\n```js\nvar isDataView = require('is-data-view');\nvar assert = require('assert');\n\nassert.equal(false, isDataView(undefined));\nassert.equal(false, isDataView(null));\nassert.equal(false, isDataView(false));\nassert.equal(false, isDataView(true));\nassert.equal(false, isDataView([]));\nassert.equal(false, isDataView({}));\nassert.equal(false, isDataView(/a/g));\nassert.equal(false, isDataView(new RegExp('a', 'g')));\nassert.equal(false, isDataView(new Date()));\nassert.equal(false, isDataView(42));\nassert.equal(false, isDataView(NaN));\nassert.equal(false, isDataView(Infinity));\nassert.equal(false, isDataView(new Number(42)));\nassert.equal(false, isDataView('foo'));\nassert.equal(false, isDataView(Object('foo')));\nassert.equal(false, isDataView(function () {}));\nassert.equal(false, isDataView(function* () {}));\nassert.equal(false, isDataView(x => x * x));\nassert.equal(false, isDataView([]));\nassert.equal(false, isDataView(new Int8Array()));\nassert.equal(false, isDataView(new Uint8Array()));\nassert.equal(false, isDataView(new Uint8ClampedArray()));\nassert.equal(false, isDataView(new Int16Array()));\nassert.equal(false, isDataView(new Uint16Array()));\nassert.equal(false, isDataView(new Int32Array()));\nassert.equal(false, isDataView(new Uint32Array()));\nassert.equal(false, isDataView(new Float32Array()));\nassert.equal(false, isDataView(new Float64Array()));\nassert.equal(false, isDataView(new BigInt64Array()));\nassert.equal(false, isDataView(new BigUint64Array()));\n\nassert.ok(isDataView(new DataView(new ArrayBuffer(0))));\n```\n\n## Tests\nSimply clone the repo, `npm install`, and run `npm test`\n\n[package-url]: https://npmjs.org/package/is-data-view\n[npm-version-svg]: https://versionbadg.es/inspect-js/is-data-view.svg\n[deps-svg]: https://david-dm.org/inspect-js/is-data-view.svg\n[deps-url]: 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