use digest::{Digest, DynDigest};use wasm_bindgen::prelude::*;
#[wasm_bindgen]pub struct DenoHash { inner: Box<dyn DynDigest>,}
#[wasm_bindgen]pub fn create_hash(algorithm: &str) -> Result<DenoHash, JsValue> { let hash: Option<Box<dyn DynDigest>> = match algorithm { "md2" => Some(Box::new(md2::Md2::new())), "md4" => Some(Box::new(md4::Md4::new())), "md5" => Some(Box::new(md5::Md5::new())), "ripemd160" => Some(Box::new(ripemd160::Ripemd160::new())), "ripemd320" => Some(Box::new(ripemd320::Ripemd320::new())), "sha1" => Some(Box::new(sha1::Sha1::new())), "sha224" => Some(Box::new(sha2::Sha224::new())), "sha256" => Some(Box::new(sha2::Sha256::new())), "sha384" => Some(Box::new(sha2::Sha384::new())), "sha512" => Some(Box::new(sha2::Sha512::new())), "sha3-224" => Some(Box::new(sha3::Sha3_224::new())), "sha3-256" => Some(Box::new(sha3::Sha3_256::new())), "sha3-384" => Some(Box::new(sha3::Sha3_384::new())), "sha3-512" => Some(Box::new(sha3::Sha3_512::new())), "keccak224" => Some(Box::new(sha3::Keccak224::new())), "keccak256" => Some(Box::new(sha3::Keccak256::new())), "keccak384" => Some(Box::new(sha3::Keccak384::new())), "keccak512" => Some(Box::new(sha3::Keccak512::new())), "blake3" => Some(Box::new(blake3::Hasher::new())), _ => None, };
if let Some(h) = hash { Ok(DenoHash { inner: h }) } else { let err_msg = format!("unsupported hash algorithm: {}", algorithm); Err(JsValue::from_str(&err_msg)) }}
#[wasm_bindgen]pub fn update_hash(hash: &mut DenoHash, data: &[u8]) { hash.inner.update(data)}
#[wasm_bindgen]pub fn digest_hash(hash: &mut DenoHash) -> Box<[u8]> { hash.inner.finalize_reset()}