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13 lines
396 B
JavaScript
13 lines
396 B
JavaScript
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) {
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return isU8a(value) && u8aEq(value.subarray(0, 4), WASM_MAGIC);
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}
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