mirror of
https://github.com/pezkuwichain/pezkuwi-common.git
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- Package namespace: @polkadot/* -> @pezkuwi/* - Repository: polkadot-js/common -> pezkuwichain/pezkuwi-common - Author: Pezkuwi Team <team@pezkuwichain.io> Core packages: - @pezkuwi/util (utilities) - @pezkuwi/util-crypto (crypto primitives) - @pezkuwi/keyring (account management) - @pezkuwi/networks (chain metadata) - @pezkuwi/hw-ledger (Ledger hardware wallet) - @pezkuwi/x-* (10 polyfill packages) Total: 14 packages Upstream: polkadot-js/common v14.0.1
26 lines
724 B
TypeScript
26 lines
724 B
TypeScript
// Copyright 2017-2025 @polkadot/util authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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/**
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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?: unknown): value is Uint8Array {
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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 (
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((value && (value as Uint8Array).constructor) === Uint8Array) ||
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value instanceof Uint8Array
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);
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}
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