migrate to zstd

.gitignore

@@ -196,4 +196,5 @@ Cargo.lock
 
 *.node
 index.js
-index.d.ts
+index.d.ts
+test.mjs

Cargo.toml

@@ -10,7 +10,7 @@ crate-type = ["cdylib"]
 # Default enable napi4 feature, see https://nodejs.org/api/n-api.html#node-api-version-matrix
 napi = { version = "2.12.2", default-features = false, features = ["napi4", "async"] }
 napi-derive = "2.12.2"
-xz2 = "0.1.7"
+zstd = "0.13.2"
 rayon = "1.10.0"
 serde = "1.0.210"
 ciborium = "0.2.2"

src/lib.rs

@@ -8,13 +8,12 @@ use napi::Error;
 use std::{
   collections::HashMap,
   fs::File,
-  io::{self, BufRead, BufReader},
+  io::{BufRead, BufReader},
   os::unix::fs::PermissionsExt,
   path::Path,
   sync::{Arc, Mutex},
 };
 use uuid::Uuid;
-use xz2::bufread::XzEncoder;
 
 pub mod file_utils;
 pub mod manifest;
@@ -24,10 +23,9 @@ extern crate napi_derive;
 
 fn compress(buffer: &[u8], output_path: &Path, chunk_id: Uuid) {
   let chunk_path = output_path.join(chunk_id.to_string() + ".bin");
-  let mut chunk_file = File::create(chunk_path).unwrap();
-  let mut compressor: XzEncoder<&[u8]> = XzEncoder::new(&buffer[..], 6);
+  let chunk_file = File::create_new(chunk_path).unwrap();
 
-  io::copy(&mut compressor, &mut chunk_file).unwrap();
+  zstd::stream::copy_encode(buffer, chunk_file, 9).unwrap();
 }
 
 #[napi]