function hexToUint8Arrayimport { hexToUint8Array } from "https://deno.land/x/crc32@v1.0.2/mod.ts"; hexToUint8Array(str: string): Uint8ArrayConverts a hexadecimal string to a Uint8Array. Parametersstr: stringThe hexadecimal string to convert. ReturnsUint8ArrayThe converted Uint8Array.