import { BaseHashInput , inputToArray , IBaseHashOptions , defaultHashLength } from '../base/hash-fn' ; import { hash as rawHash , create_derive as createDerive , create_keyed as createKeyed , } from '../../dist/wasm/nodejs/blake3_js' ; /**
 * Input used for node-based hashes.
 */ export type HashInput = BaseHashInput | string ; hidden export const normalizeInput = ( input , encoding ? ) : Uint8Array => inputToArray ( typeof input === 'string' ? Buffer . from ( input , encoding ) : input ) ; /**
 * Returns a blake3 hash of the input, returning the binary hash data.
 */ export function hash ( input , { length = defaultHashLength } = { } ) { const result = Buffer . alloc ( length ) ; rawHash ( normalizeInput ( input ) , result ) ; return result ; } /**
 * Given cryptographic key material  and a context string, services a subkey of
 * any length. See  https * for more information.
  export function deriveKey ( context , material , { length = defaultHashLength } = { } ) { const derive = createDerive ( context ) ; derive . update ( normalizeInput ( material ) ) ; const result = Buffer . alloc ( length ) ; derive . digest ( result ) ; return result ; } /**
 * The keyed hash function. See  https .
  export function keyedHash ( key , input , { length = defaultHashLength } = { } ) { if ( key . length !== 32 ) { throw new Error ( `key provided to keyedHash must be 32 bytes, got ${ key . length }` ) ; } const derive = createKeyed ( key ) ; derive . update ( normalizeInput ( input ) ) ; const result = Buffer . alloc ( length ) ; derive . digest ( result ) ; return result ; }