@polkadot/util
Version:
A collection of useful utilities for @polkadot
20 lines (19 loc) • 581 B
JavaScript
// Copyright 2017-2022 @polkadot/util authors & contributors
// SPDX-License-Identifier: Apache-2.0
/**
* @name bufferToU8a
* @summary Creates a Uint8Array value from a Buffer object.
* @description
* `null` inputs returns an empty result, `Buffer` values return the actual value as a `Uint8Array`. Anything that is not a `Buffer` object throws an error.
* @example
* <BR>
*
* ```javascript
* import { bufferToU8a } from '@polkadot/util';
*
* bufferToU8a(Buffer.from([1, 2, 3]));
* ```
*/
export function bufferToU8a(buffer) {
return new Uint8Array(buffer || []);
}