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https://github.com/pezkuwichain/pezkuwi-common.git
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Satoshi Qazi MuhammedandClaude Opus 5.5
bebfcee609
The header rule takes the current year as the end of the range, as upstream's does; 581 sources still ended at 2025, which failed lint. Lint never ran to completion here, so this went unseen. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
18 lines
528 B
TypeScript
18 lines
528 B
TypeScript
// Copyright 2017-2026 @pezkuwi/util authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import { u8aEq } from '../u8a/eq.js';
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import { isU8a } from './u8a.js';
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const WASM_MAGIC = new Uint8Array([0, 97, 115, 109]); // \0asm
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/**
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* @name isWasm
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* @summary Tests if the input has a WASM header
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* @description
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* Checks to see if the input Uint8Array contains a valid WASM header
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*/
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export function isWasm (value?: unknown): value is Uint8Array {
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return isU8a(value) && u8aEq(value.subarray(0, 4), WASM_MAGIC);
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}
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