@polkadot/util
Version:
A collection of useful utilities for @polkadot
25 lines (24 loc) • 695 B
JavaScript
Object.defineProperty(exports, "__esModule", { value: true });
exports.isU8a = void 0;
/**
* @name isU8a
* @summary Tests for a `Uint8Array` object instance.
* @description
* Checks to see if the input object is an instance of `Uint8Array`.
* @example
* <BR>
*
* ```javascript
* import { isUint8Array } from '@polkadot/util';
*
* console.log('isU8a', isU8a([])); // => false
* ```
*/
function isU8a(value) {
// here we defer the instanceof check which is actually slightly
// slower than just checking the constrctor (direct instances)
return (((value && value.constructor) === Uint8Array) ||
value instanceof Uint8Array);
}
exports.isU8a = isU8a;
;