feat: move to bigints for larger file sizes

Cargo.toml

@@ -10,7 +10,7 @@ crate-type = ["cdylib"]
 [dependencies]
 # Default enable napi4 feature, see https://nodejs.org/api/n-api.html#node-api-version-matrix
 napi = { version = "3.0.0-beta.11", default-features = false, features = [
-    "napi4",
+    "napi6",
     "async",
     "web_stream",
 ] }

__test__/utils.spec.mjs

@@ -53,7 +53,7 @@ test("read file offset", async (t) => {
   const testString = "0123456789";
   fs.writeFileSync(dirName + "/TESTFILE", testString);
 
-  const stream = droplet.readFile(dirName, "TESTFILE", 1, 4);
+  const stream = droplet.readFile(dirName, "TESTFILE", BigInt(1), BigInt(4));
 
   let finalString = "";
 

index.d.ts

@@ -15,9 +15,9 @@ export declare function listFiles(path: string): Array<string>
 /**
  * This is inefficient, but is used in attempt to keep the interface simple
  */
-export declare function peekFile(path: string, subPath: string): number
+export declare function peekFile(path: string, subPath: string): bigint
 
-export declare function readFile(path: string, subPath: string, start?: number | undefined | null, end?: number | undefined | null): ReadableStream<Buffer> | null
+export declare function readFile(path: string, subPath: string, start?: bigint | undefined | null, end?: bigint | undefined | null): ReadableStream<Buffer> | null
 
 export declare function signNonce(privateKey: string, nonce: string): string
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@drop-oss/droplet",
-  "version": "1.5.3",
+  "version": "1.6.0",
   "main": "index.js",
   "types": "index.d.ts",
   "napi": {

src/version/utils.rs

@@ -64,7 +64,7 @@ pub fn list_files(path: String) -> Result<Vec<String>> {
  * This is inefficient, but is used in attempt to keep the interface simple
  */
 #[napi]
-pub fn peek_file(path: String, sub_path: String) -> Result<u32> {
+pub fn peek_file(path: String, sub_path: String) -> Result<u64> {
   let path = Path::new(&path);
   let mut backend =
     create_backend_for_path(path).ok_or(napi::Error::from_reason("No backend for path"))?;
@@ -82,8 +82,8 @@ pub fn read_file(
   path: String,
   sub_path: String,
   env: &Env,
-  start: Option<u32>,
+  start: Option<BigInt>,
-  end: Option<u32>,
+  end: Option<BigInt>,
 ) -> Option<ReadableStream<'_, BufferSlice<'_>>> {
   let path = Path::new(&path);
   let mut backend = create_backend_for_path(path).unwrap();
@@ -96,13 +96,13 @@ pub fn read_file(
   let mut reader = backend.reader(&version_file)?;
 
   // Skip the 'start' amount of bytes without seek
-  if let Some(skip) = start {
+  if let Some(skip) = start.clone() {
-    reader.skip(skip.into());
+    reader.skip(skip.get_u64().1.into());
     // io::copy(&mut reader.by_ref().take(skip.into()), &mut io::sink()).unwrap();
   }
 
   let async_reader = if let Some(limit) = end {
-    let amount = limit - start.or(Some(0)).unwrap();
+    let amount = limit.get_u64().1 - start.map_or(Some(0), |v| Some(v.get_u64().1)).unwrap();
     ReadToAsyncRead {
       inner: Box::new(reader.take(amount.into())),
       backend,