| 1 | // Copyright 2017-2022 @polkadot/util authors & contributors
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| 2 | // SPDX-License-Identifier: Apache-2.0
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| 3 | import { u8aToU8a } from "./toU8a.js";
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| 4 | /**
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| 5 | * @name u8aConcat
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| 6 | * @summary Creates a concatenated Uint8Array from the inputs.
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| 7 | * @description
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| 8 | * Concatenates the input arrays into a single `UInt8Array`.
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| 9 | * @example
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| 10 | * <BR>
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| 11 | *
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| 12 | * ```javascript
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| 13 | * import { { u8aConcat } from '@polkadot/util';
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| 14 | *
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| 15 | * u8aConcat(
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| 16 | * new Uint8Array([1, 2, 3]),
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| 17 | * new Uint8Array([4, 5, 6])
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| 18 | * ); // [1, 2, 3, 4, 5, 6]
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| 19 | * ```
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| 20 | */
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| 21 |
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| 22 | export function u8aConcat(...list) {
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| 23 | const u8as = new Array(list.length);
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| 24 |
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| 25 | for (let i = 0; i < list.length; i++) {
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| 26 | u8as[i] = u8aToU8a(list[i]);
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| 27 | }
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| 28 |
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| 29 | return Uint8Array.from(Buffer.concat(u8as));
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| 30 | } |
| \ | No newline at end of file |