@huggingface/xetchunk-wasm - npm Package Compare versions

Comparing version 0.0.6 to 0.1.0

dist/commonjs/hash-utils.d.ts.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"hash-utils.d.ts","sourceRoot":"","sources":["../../src/hash-utils.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,EAAE,KAAK,EAAE,MAAM,kBAAkB,CAAC;AAa9C;;;;;GAKG;AACH,wBAAgB,QAAQ,CAAC,MAAM,EAAE,KAAK,EAAE,GAAG,UAAU,CAGpD;AAED;;;;;;;GAOG;AACH,wBAAgB,IAAI,CAAC,IAAI,EAAE,UAAU,EAAE,GAAG,EAAE,UAAU,GAAG,UAAU,CAElE;AAED;;;;;;GAMG;AACH,wBAAgB,gBAAgB,CAAC,WAAW,EAAE,UAAU,EAAE,GAAG,UAAU,CAMtE"}
+{"version":3,"file":"hash-utils.d.ts","sourceRoot":"","sources":["../../src/hash-utils.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,EAAE,KAAK,EAAE,MAAM,kBAAkB,CAAC;AAa9C;;;;;GAKG;AACH,wBAAgB,QAAQ,CAAC,MAAM,EAAE,KAAK,EAAE,GAAG,UAAU,CAUpD;AAED;;;;;;;GAOG;AACH,wBAAgB,IAAI,CAAC,IAAI,EAAE,UAAU,EAAE,GAAG,EAAE,UAAU,GAAG,UAAU,CAElE;AAED;;;;;;GAMG;AACH,wBAAgB,gBAAgB,CAAC,WAAW,EAAE,UAAU,EAAE,GAAG,UAAU,CAMtE"}

dist/commonjs/hash-utils.js

@@ -22,2 +22,9 @@ "use strict";
 function fileHash(chunks) {
+    // Empty input short-circuits to the all-zero MerkleHash, matching Rust's
+    // `file_hash_with_salt` (`if chunks.is_empty() { return MerkleHash::default(); }`).
+    // Without this we'd return `hmac(0, zero_key)`, which the CAS shard validation rejects
+    // for empty files with "file reconstruction does not produce this hash".
+    if (chunks.length === 0) {
+        return new Uint8Array(32);
+    }
     const xorb = (0, xorb_hash_js_1.xorbHash)(chunks);
@@ -24,0 +31,0 @@ return fileHasher.reset().update(xorb).finalize(32);

dist/esm/hash-utils.d.ts.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"hash-utils.d.ts","sourceRoot":"","sources":["../../src/hash-utils.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,EAAE,KAAK,EAAE,MAAM,kBAAkB,CAAC;AAa9C;;;;;GAKG;AACH,wBAAgB,QAAQ,CAAC,MAAM,EAAE,KAAK,EAAE,GAAG,UAAU,CAGpD;AAED;;;;;;;GAOG;AACH,wBAAgB,IAAI,CAAC,IAAI,EAAE,UAAU,EAAE,GAAG,EAAE,UAAU,GAAG,UAAU,CAElE;AAED;;;;;;GAMG;AACH,wBAAgB,gBAAgB,CAAC,WAAW,EAAE,UAAU,EAAE,GAAG,UAAU,CAMtE"}
+{"version":3,"file":"hash-utils.d.ts","sourceRoot":"","sources":["../../src/hash-utils.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,EAAE,KAAK,EAAE,MAAM,kBAAkB,CAAC;AAa9C;;;;;GAKG;AACH,wBAAgB,QAAQ,CAAC,MAAM,EAAE,KAAK,EAAE,GAAG,UAAU,CAUpD;AAED;;;;;;;GAOG;AACH,wBAAgB,IAAI,CAAC,IAAI,EAAE,UAAU,EAAE,GAAG,EAAE,UAAU,GAAG,UAAU,CAElE;AAED;;;;;;GAMG;AACH,wBAAgB,gBAAgB,CAAC,WAAW,EAAE,UAAU,EAAE,GAAG,UAAU,CAMtE"}

dist/esm/hash-utils.js

@@ -17,2 +17,9 @@ import { Hasher } from "@huggingface/blake3-jit";
 export function fileHash(chunks) {
+    // Empty input short-circuits to the all-zero MerkleHash, matching Rust's
+    // `file_hash_with_salt` (`if chunks.is_empty() { return MerkleHash::default(); }`).
+    // Without this we'd return `hmac(0, zero_key)`, which the CAS shard validation rejects
+    // for empty files with "file reconstruction does not produce this hash".
+    if (chunks.length === 0) {
+        return new Uint8Array(32);
+    }
     const xorb = xorbHash(chunks);
@@ -19,0 +26,0 @@ return fileHasher.reset().update(xorb).finalize(32);

package.json

 {
   "name": "@huggingface/xetchunk-wasm",
-  "version": "0.0.6",
+  "version": "0.1.0",
   "description": "Content-defined chunking and hashing for Hugging Face Xet storage",
@@ -5,0 +5,0 @@ "keywords": [

src/hash-utils.ts

@@ -22,2 +22,9 @@ import { Hasher } from "@huggingface/blake3-jit";
 export function fileHash(chunks: Chunk[]): Uint8Array {
+	// Empty input short-circuits to the all-zero MerkleHash, matching Rust's
+	// `file_hash_with_salt` (`if chunks.is_empty() { return MerkleHash::default(); }`).
+	// Without this we'd return `hmac(0, zero_key)`, which the CAS shard validation rejects
+	// for empty files with "file reconstruction does not produce this hash".
+	if (chunks.length === 0) {
+		return new Uint8Array(32);
+	}
 	const xorb = xorbHash(chunks);
@@ -24,0 +31,0 @@ return fileHasher.reset().update(xorb).finalize(32);

No alert changes

Improved metrics

Total package byte prevSize

52687

2.34%

Lines of code

1103

1.94%

No dependency changes