import { sha256 as noble_sha256 } from '@noble/hashes/sha256' import type { ErrorType } from '../../errors/utils.js' import type { ByteArray, Hex } from '../../types/misc.js' import { type IsHexErrorType, isHex } from '../data/isHex.js' import { type ToBytesErrorType, toBytes } from '../encoding/toBytes.js' import { type ToHexErrorType, toHex } from '../encoding/toHex.js' type To = 'hex' | 'bytes' export type Sha256Hash<to extends To> = | (to extends 'bytes' ? ByteArray : never) | (to extends 'hex' ? Hex : never) export type Sha256ErrorType = | IsHexErrorType | ToBytesErrorType | ToHexErrorType | ErrorType export function sha256<to extends To = 'hex'>( value: Hex | ByteArray, to_?: to | undefined, ): Sha256Hash<to> { const to = to_ || 'hex' const bytes = noble_sha256( isHex(value, { strict: false }) ? toBytes(value) : value, ) if (to === 'bytes') return bytes as Sha256Hash<to> return toHex(bytes) as Sha256Hash<to> }