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import type { HexString } from 'https://deno.land/x/polkadot@0.2.33/util/types.ts';
import { blake2b as blake2bJs } from 'https://esm.sh/@noble/hashes@1.3.0/blake2b.js';
import { hasBigInt, u8aToU8a } from 'https://deno.land/x/polkadot@0.2.33/util/mod.ts';import { blake2b, isReady } from 'https://deno.land/x/polkadot@0.2.33/wasm-crypto/mod.ts';
import { createAsHex } from '../helpers.ts';
/** * @name blake2AsU8a * @summary Creates a blake2b u8a from the input. * @description * From a `Uint8Array` input, create the blake2b and return the result as a u8a with the specified `bitLength`. * @example * <BR> * * ```javascript * import { blake2AsU8a } from 'https://deno.land/x/polkadot@0.2.33/util-crypto/mod.ts'; * * blake2AsU8a('abc'); // => [0xba, 0x80, 0xa5, 0x3f, 0x98, 0x1c, 0x4d, 0x0d] * ``` */export function blake2AsU8a (data: HexString | Uint8Array | string, bitLength: 64 | 128 | 256 | 384 | 512 = 256, key?: Uint8Array | null, onlyJs?: boolean): Uint8Array {  const byteLength = Math.ceil(bitLength / 8);  const u8a = u8aToU8a(data);
  return !hasBigInt || (!onlyJs && isReady())    ? blake2b(u8a, u8aToU8a(key), byteLength)    : blake2bJs(u8a, { dkLen: byteLength, key: key || undefined });}
/** * @name blake2AsHex * @description Creates a blake2b hex from the input. */export const blake2AsHex = createAsHex(blake2AsU8a);