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21 lines
577 B
JavaScript
21 lines
577 B
JavaScript
/**
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* @name isU8a
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* @summary Tests for a `Uint8Array` object instance.
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* @description
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* Checks to see if the input object is an instance of `Uint8Array`.
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* @example
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* <BR>
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*
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* ```javascript
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* import { isUint8Array } from '@pezkuwi/util';
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*
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* console.log('isU8a', isU8a([])); // => false
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* ```
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*/
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export function isU8a(value) {
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// here we defer the instanceof check which is actually slightly
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// slower than just checking the constrctor (direct instances)
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return (((value && value.constructor) === Uint8Array) ||
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value instanceof Uint8Array);
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}
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