| 1 | import { u8aEq } from '../u8a/eq.js';
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| 2 | import { isU8a } from './u8a.js';
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| 3 | const WASM_MAGIC = new Uint8Array([0, 97, 115, 109]); // \0asm
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| 4 | /**
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| 5 | * @name isWasm
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| 6 | * @summary Tests if the input has a WASM header
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| 7 | * @description
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| 8 | * Checks to see if the input Uint8Array contains a valid WASM header
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| 9 | */
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| 10 | export function isWasm(value) {
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| 11 | return isU8a(value) && u8aEq(value.subarray(0, 4), WASM_MAGIC);
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| 12 | }
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